Health benefits of Vietnamese Rosewood

Plant Description

Vietnamese rosewood is a large, slow-growing, evergreen, deciduous timber tree with a large, upright, densely branched, and extending canopy. The tree’s crown is typically broad and rounded, providing ample shelter. The tree’s overall form is symmetrical and well-proportioned. The plant is capable of reaching heights of 20 to 30 meters (65 to 98 feet) or even greater. The diameter of the trunk can range from 50 to 120 centimeters (20 to 47 inches) or more. Lowland mixed deciduous or arid evergreen forests, open semi-deciduous forests are home to this plant. It also occurs infrequently in riparian and evergreen forests. It prefers rich, well-drained soil. Rich, loamy soils with high organic matter content are optimal for its growth. It can also thrive in mildly acidic to neutral pH soil conditions, ranging from 5.5 to 7.5.

Appropriate growing environment for Vietnamese rosewood

Vietnamese rosewood thrives in specific growing environments that provide optimal conditions for its growth and development. Here are the key factors to consider when creating an appropriate growing environment for Vietnamese rosewood:

• Climate: Vietnamese rosewood is a tropical tree that requires a climate that is mild and humid. It is most comfortable between 20 and 30 degrees Celsius (68 and 86 degrees Fahrenheit). It inhabits regions with distinct rainy and dry seasons.
• Sunlight: Vietnamese rosewood prefers exposure to full to partial sunlight. It necessitates a location that receives at least a few hours of sunlight per day. However, young seedlings may initially benefit from partial shade before being progressively exposed to direct sunlight.
• Soil: The tree favors rich, well-drained soil. Rich, loamy soils with high organic matter content are optimal for its growth. It can also thrive in mildly acidic to neutral pH soil conditions, ranging from 5.5 to 7.5.
• Watering: Rosewood from Vietnam requires consistent watering, particularly during dry periods. While it prefers moist soil, appropriate drainage must be ensured to prevent waterlogging.
• Protection from Frost and Cold: Vietnamese rosewood is frost and low temperature sensitive. It should be shielded from extreme cold, particularly in its early stages of development.
• Spacing: Allow enough space between Vietnamese rosewood trees for their development and growth. This distance will vary according to the intended use, such as timber production or landscaping, and the anticipated scale of the trees.
• Pest and Disease Control: Observe the trees for any indicators of pests or diseases and take the necessary steps to eliminate them. The health of a tree can be maintained through regular inspections and the use of pest and disease management techniques.

Roots

The root system includes a taproot and a network of lateral roots. The vertical growth of the taproot into the soil anchors and stabilizes the tree. The lateral roots spread out horizontally from the taproot in quest of water and nutrients. Vietnamese rosewood has a robust root system that allows it to acclimatize to a wide range of soil conditions. It is capable of penetrating deeply into the soil, enabling the tree to endure arid conditions and access water from deeper soil layers. The roots are responsible for absorbing nutrients such as nitrogen, phosphorus, and potassium from the soil. These nutrients are essential for the growth, development, and wood production of the tree as a whole.

Stem

The bark on the stem is typically dark brown or greyish in color and rough and dense. The bark provides protection for the stem’s underlying tissues. The cambium is a thin layer of tissue that rests beneath the bark. The cambium is responsible for the expansion of the stem’s diameter by generating new wood cells on the interior and new bark cells on the exterior. The majority of the stem is comprised of wood, which is composed of various cell types. Cells of wood consist of vessels, fibers, and parenchyma cells.

As with many other tree species, the stem of Vietnamese rosewood displays annual growth rings. When the stem is sliced in a cross-section, these rings are visible as concentric circles. Each ring represents one year of growth and consists of early wood (formed early in the growing season) and late wood (formed later in the growing season). The age of the tree and its development patterns can be determined by the width and characteristics of the growth rings. The pith, a small, delicate, and spongy tissue, is found at the center of the stem. The pith is typically lighter in color than the surrounding wood as it is the earliest portion of the stem.

Bark

The outer bark of a tree is typically rough and dense, protecting the underlying tissues. It consists of multiple layers. Cork layer, also known as the phellem, is the uppermost layer of bark. The cork layer is composed of dead cells filled with suberin, a waxy substance that protects the tree from dehydration, physical harm, and disease. Under the cork layer is the cork cambium, also referred to as the phellogen. The cork cambium is a layer of meristematic tissue that produces new cork cells on the outside and phelloderm cells on the inside.

The phelloderm is the tissue layer produced by the cork cambium toward the interior of the bark. It consists of living cells and provides protection for the tissues beneath. The secondary phloem is responsible for transporting sugars and other nutrients throughout the tree. It is the innermost layer of the epidermis. There are sieve tube elements, companion cells, parenchyma cells, and fibers in the secondary phloem. Lenticels are microscopic openings or pores that permit the exchange of gases between the inner tissues of the tree and the surrounding environment. Lenticels are essential for the respiration of the living cells beneath the epidermis of a plant.

Leaves

The leaves are alternately arranged along the branches. This indicates that each leaf emerges from the stem at a distinct height, with alternate leaves positioned above one another. The leaves are compound, with multiple leaflets affixed to a central stalk known as the rachis. Typically, each leaf consists of seven to thirteen leaflets, although the precise number can vary. The leaflets have a pinnate arrangement, which means they are affixed to the rachis in a feather-like formation.

The shape of the pamphlets is oblong or lanceolate, which means they are elongated with pointed ends. They range in length from 5 to 12 centimeters, and their breadth varies proportionally along the length of the leaflet, from narrower at the base to wider at the tip. The upper surface of the leaflets of Vietnamese rosewood is smooth and lustrous, while the underside is slightly paler and may have a more matte appearance.

Leaves have a reticulate or interlaced venation pattern. This means that the veins of each leaflet branch out from the central midrib to produce a complex network of smaller veins that transport water, nutrients, and sugars throughout the leaf structure. Typically, the upper surface of the leaflets is dark green, whereas the lower surface is paler green. The exact hue of green can vary depending on factors such as light exposure, leaf age, and the tree’s overall health.

Flower

Flowers are the reproductive structures of flowering plants (Angiosperms). Typically, they consist of four major components: sepals, petals, stamens, and pistils. The following is a breakdown of these elements: Sepals are the flower’s outermost layer and are typically green in color. Protecting the developing flower bud are sepals. They are known collectively as the calyx. Petals are frequently colorful and aesthetically pleasing; they are located within the sepals. In order to facilitate pollination, they serve to attract pollinators such as insects and animals. Together, the petals constitute the corolla.

Stamens are the flower’s masculine reproductive structures. There are two major components: the filament and the anther. The filament is a thin stalk that supports the anther. Pollen granules are released from the anthers during pollination. Pistils are the flower’s female reproductive structures. Each pistil consists of three major components: the stigma, the style, and the ovary. The stigma is situated at the apex of the pistil and is responsible for receiving pollen grains. The style is a thin tube that attaches the stigma to the ovary. The ovary contains one or more ovules, which become seeds following fertilization.

Fruits

Legumes are small, desiccated, pod-like structures that constitute fruits. Legumes are typical of many members of the family Fabaceae, to which Vietnamese rosewood belongs. Typically measuring between 5 and 10 centimeters in length, these legumes are elongated and cylindrical. The legume’s exterior is woody and may have a mildly coarse texture. The color of legumes may differ, but they are typically brown or dark brown. Vietnamese rosewood legumes have a distinctive mechanism for opening. They split along both surfaces to expose the seeds within. This form of fruit opening is known as dehiscent, and it permits the dispersal of the seeds. Vietnamese rosewood’s legumes are intended for dispersal. After splitting open, the seeds can be dispersed by wind, water, or animals, among others. This helps the spores reach new locations where they can germinate and establish new plants.

Seeds

Seeds are typically between one and one and a half centimeters in length. They are elongated ovals with a pointed apex. The seed’s outermost layer is known as the seed sheath or testa. It is typically dark brown or black in color and slender and smooth. The seed coat protects the maturing embryo contained within. Under the seed coat is a substance known as the endosperm. Endosperm is a nutrient-storing tissue that nourishes the developing embryo. It contains nutrient reserves, such as starch and lipids that support the seedling’s germination and early growth.

The embryo is located within the center of the seed. The embryo is the immature plant tissue contained within the seed. It includes the embryonic root (radicle), the shoot (plumule), and one or two cotyledons. The cotyledons are the seed leaves that provide the seedling with its initial source of nutrition until it can produce its own food through photosynthesis.

History

Vietnamese rosewood is a valuable tropical hardwood endemic to Southeast Asia, specifically Vietnam and Cambodia. In Vietnamese, it is generally known as “t u.” This tree’s timber is in high demand due to its exceptional quality, and it is frequently used in high-end furniture, musical instruments, and luxury crafts.

As a significant timber species in the region, the history of Vietnamese rosewood dates back centuries. In the past, it was widely employed in traditional Vietnamese woodworking and craftsmanship, as evidenced by intricate carvings found in temples and regal palaces.

During the colonial period, the beauty and durability of Vietnamese rosewood acquired international recognition. It became a popular export item, with European and Chinese markets driving demand. The International Union for the Conservation of Nature (IUCN) classifies the Vietnamese rosewood as a species that is in danger of extinction due to its population decline caused by excessive exploitation and illicit logging.

Recent years have witnessed extensive protection and conservation efforts for Vietnamese rosewood. Together with international organizations and environmentalists, the Vietnamese government has implemented stricter regulations and enforcement to combat illegal forestry and trade. These initiatives seek to protect the remaining populations of Vietnamese rosewood and promote sustainable forest management practices.

Due to its endangered status, the international commerce of Vietnamese rosewood has encountered a number of obstacles. The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) placed Vietnamese rosewood on Appendix II in 2017, requiring countries to regulate and monitor its trade to ensure its sustainability. This listing has increased awareness of the need for conservation and reduced the illegal trade of this valuable wood.

Today, the use of rosewood from Vietnam is highly regulated, and its commerce is subject to stringent permits and documentation to ensure legality and sustainability. Its scarcity and legal restrictions have increased the utilization of alternative timbers in the furniture and craft industries. However, Vietnamese rosewood continues to be highly valued due to its distinctive color, texture patterns, and durability, making it a symbol of distinction and craftsmanship.

Varieties

Vietnamese rosewood is a species of tropical hardwood tree native to Southeast Asia, including Vietnam. There are several varieties or subspecies of Vietnamese rosewood that have been identified. Here are some of the notable varieties:

• Dalbergia cochinchinensis var. cochinchinensis: This is the typical species of rosewood found in Vietnam. It is renowned for its high-quality wood, which is highly prized for its durability, deep color, and attractive vein patterns. The wood is frequently employed in the construction of furniture, cabinetry, musical instruments, and decorative items.
• Dalbergia cochinchinensis var. pierrei: This species, also known as “Pierre’s rosewood,” grows in Laos, Cambodia, and northeastern Thailand. It is closely related to the Vietnamese rosewood, but has distinctive qualities. The reddish-brown to purplish-brown hue and delicate grain of Pierre’s rosewood are well-known characteristics. It is also highly valued for the purity of its timber.
• Dalbergia cochinchinensis var. hemsleyana: This species is indigenous to southern China and northern Vietnam. It is often referred to as “Hemsley’s rosewood.” The timber of Hemsley’s rosewood is highly prized and is used to create high-end furniture, musical instruments, and luxury goods.
• Dalbergia cochinchinensis var. tonkinensis: This species is also referred to as “Tonkin rosewood” and “Vietnamese black rosewood.” It is native to northern Vietnam, specifically the Tonkin region. Tonkin rosewood is renowned for its nearly ebony hue and fine grain. The wood is highly coveted for its aesthetic value and is utilized in the construction of high-quality furniture, crafts, and musical instruments.
• Dalbergia cochinchinensis var. fusca: This species, also known as “brown Vietnamese rosewood,” is native to Vietnam and Laos. It is brown in color, ranging from pale brown to dark chocolate brown. Brown Vietnamese rosewood is highly valued for its alluring appearance and is utilized in the construction of high-quality furniture, flooring, and ornamental pieces.
• Dalbergia cochinchinensis var. siamensis: This species is native to Thailand and is commonly known as “Siamese rosewood.” It is distinguished by its dark reddish-brown hue and distinct texture patterns. Siamese rosewood is utilized in the production of furniture, musical instruments, and luxury products due to its superior wood quality.
• Dalbergia cochinchinensis var. cultrata: Native to the Philippines, this species is known as “Philippine rosewood” or “Narra.” It is widely distributed throughout the Philippines and is considered the national tree. Philippine rosewood is distinguished by its golden-brown to reddish-brown coloring, frequently with darker streaks. The timber is utilized frequently in the construction of furniture, cabinets, and flooring due to its high durability.
• Dalbergia cochinchinensis var. kerrii: This species, which is native to Thailand, Myanmar, and Cambodia, is known as “Kerri’s rosewood” or “Cambodian rosewood.” It has a thin texture and a dark reddish-brown to purplish-brown hue. The wood of Kerri’s rosewood is highly prized for its density, tenacity, and resilience. It is utilized in upscale furniture, flooring, and veneers.
• Dalbergia cochinchinensis var. burmanica: This species is native to Myanmar (Burma) and is often referred to as “Burmese rosewood.” It is highly esteemed for its rich reddish-brown hue and delicate grain. Burmese rosewood is prized for its durability and is utilized in the construction of high-quality furniture, flooring, and decorative items.
• Dalbergia cochinchinensis var. yunnanensis: This species is known as “Yunnan rosewood” or “Chinese rosewood” because it grows in Yunnan Province, China. It is well-known for its dark reddish-brown hue and distinct texture patterns. Yunnan rosewood is highly valued for its superior wood quality and is utilized in the construction of furniture, musical instruments, and decorative woodwork.
• Dalbergia cochinchinensis var. elongata: This species, also known as “Long Vietnamese rosewood,” is native to Vietnam and Laos. It is distinguished by its elongated seed capsules, which set it apart from other varieties. Long Vietnamese rosewood is prized for its superior wood quality and is utilized in the manufacture of upscale furniture, flooring, and handicrafts.
• Dalbergia cochinchinensis var. wallichii: This species is native to Bhutan, Nepal, and northeastern India and is commonly known as “Himalayan rosewood.” It is distinguished by its dark reddish-brown hue and delicate texture. Himalayan rosewood is highly valued for its wood, which is utilized in the construction of furniture, cabinetry, and musical instruments.

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Vietnamese rosewood Image Gallery

Health benefits of Vietnamese rosewood

Vietnamese rosewood is a type of hardwood tree native to Southeast Asia, including Vietnam. It is highly valued for its durable and beautiful wood, but when it comes to health benefits, there is limited scientific research specifically focused on Vietnamese rosewood. Therefore, the following information is based on general knowledge about wood products and some potential health-related properties of rosewood:

1. Antimicrobial properties

According to laboratory investigations, rosewood essential oil has antimicrobial properties against a variety of bacteria and fungi. However, additional research is required to determine the efficacy and practical applications of these properties.

2. Aesthetic and environmental benefits

Rosewood from Vietnam is frequently used to make furniture, musical instruments, and handicrafts due to its alluring appearance and durability. Utilizing rosewood derived from sustainable sources promotes responsible forestry practices and aids in the preservation of natural habitats.

3. Aromatherapy and relaxation

Rosewood essential oil, which is extracted from the wood, is frequently used in aromatherapy. It is believed to possess calming and soothing properties that can aid in relaxation, tension reduction, and mood improvement. Rosewood oil’s pleasant fragrance can create a tranquil environment and aid in relaxation techniques.

4. Anti-inflammatory effects

Rosewood contains compounds with potential anti-inflammatory properties, such as -pinene and limonene. These compounds may reduce inflammation in the body, which could be advantageous for arthritis and other inflammatory diseases. However, there are few specific studies regarding the anti-inflammatory properties of Vietnamese rosewood.

5. Antimicrobial and antifungal properties

In laboratory tests, rosewood essential oil demonstrated antimicrobial activity against a variety of microbes and fungi. It may inhibit the proliferation of pathogenic microorganisms and aid in the prevention of infections. However, additional study is required to ascertain the efficacy and practical applications of these properties.

6. Stress relief and emotional well-being

The calming properties and pleasant aroma of rosewood oil make it a popular choice for tension relief and emotional support. The aroma of rosewood oil may aid in reducing anxiety, promoting a sense of calm, and enhancing emotional well-being in general.

7. Environmental benefits

Due to its durability and attractive appearance, Vietnamese rosewood is frequently used to manufacture furniture, musical instruments, and handicrafts. Choosing rosewood products derived from sustainable sources promotes responsible forestry practices and aids in the preservation of natural habitats.

8. Analgesic properties

The essential oil of rosewood may have analgesic or pain-relieving properties. It may help alleviate minor aches, muscle pains, and migraines when applied topically. Before applying the essential oil to the skin, it is essential to dilute it appropriately and conduct a patch test.

9. Skin care benefits

Due to its potential advantages for the skin, rosewood oil is commonly found in skincare products. It may have moisturizing properties and assist in enhancing skin elasticity, thereby reducing the appearance of creases and fine lines. Additionally, the oil may have antiseptic properties that aid in the healing of minor skin irritations and lesions.

10. Respiratory support

Rosewood essential oil is sometimes used to support respiratory health in aromatherapy. Its expectorant properties may assist in alleviating the symptoms of respiratory conditions such as wheezing, congestion, and bronchitis. Inhaling the aroma of the oil may clear the airways and facilitate respiration.

11. Mood enhancement

The aroma of rosewood oil is known for its mood-enhancing and uplifting properties. It may reduce feelings of anxiety, depression, and stress by helping to establish a positive and harmonious environment. The aroma of the oil may also promote mental clarity and concentration.

12. Sleep aid

Rosewood oil’s sedative properties can aid in a pleasant night’s sleep. Its aroma may help soothe the mind and body, creating a conducive environment for sleep. A few droplets of rosewood oil added to a diffuser or pillow spray may promote a more restorative and restorative sleep.

13. Anti-aging potential

Rosewood oil is occasionally included in anti-aging skincare products due to its potential to enhance skin elasticity, reduce the appearance of creases, and promote a youthful complexion. However, additional research is required to verify these claims in regards to Vietnamese rosewood.

14. Antioxidant activity

According to a number of studies, rosewood oil may have antioxidant properties. Antioxidants safeguard the body from free radicals, which can damage cells and contribute to a variety of health problems. By neutralizing free radicals, rosewood oil may promote the health and well-being of the body as a whole.

15. Digestive support

Rosewood essential oil may contain digestive properties that serve to calm the digestive tract. It may help alleviate symptoms such as indigestion, bloating, and abdominal pain. However, essential oils should be used with caution and under the supervision of a healthcare professional for digestive purposes.

16. Immune system support

Rosewood oil may possess immune-boosting properties, although research on Vietnamese rosewood is limited. The oil’s possible antimicrobial and antioxidant properties may help strengthen the immune system and prevent infections. However, additional study is required to confirm these results.

17. Hormonal balance

Some traditional practices suggest that rosewood essential oil may assist in balancing hormones and alleviating symptoms related to hormonal imbalances. However, scientific evidence to support these claims is lacking, and professional medical advice should be sought for hormone-related concerns.

18. Mental well-being

It is believed that the aroma of rosewood oil has a positive effect on mental health. It may reduce symptoms of anxiety, irritability, and depression. Rosewood oil is occasionally used in aromatherapy to promote relaxation, emotional stability, and overall mental clarity.

19. Relaxation and stress management

The calming properties of rosewood oil may help induce relaxation and assist in stress management. It may aid in alleviating stress-related symptoms such as anxiety, agitation, and nervous tension. Inhalation or diluted topical application of the oil may contribute to a feeling of calmness.

Different uses of Vietnamese rosewood

Vietnamese rosewood is primarily valued for its timber and has various applications beyond culinary use. Here are some different uses of Vietnamese rosewood:

• Furniture: Vietnamese rosewood is highly regarded for its beautiful grain patterns and deep hue. It is frequently employed in the manufacture of high-quality furniture, such as tables, chairs, cabinets, and decorative pieces.
• Musical Instruments: Vietnamese rosewood is widely used for the construction of acoustic instruments due to its dense and resonant nature. It contributes to the tone and resonance of guitars, ukuleles, and other stringed instruments.
• Craftsmanship and Decorative Items: Rosewood from Vietnam is prized for its aesthetic allure, which makes it ideal for intricate carvings, sculptures, and decorative items. It is frequently used to create elaborate cases, chess sets, and other craft items.
• Flooring and Paneling: Vietnamese rosewood is suitable for flooring and paneling due to its durability and attractiveness. Its luxurious reddish-brown hue lends elegance and warmth to interior spaces.
• Architectural Woodwork: Rosewood from Vietnam is utilized in architectural woodwork, including doors, window frames, and moldings. Because of its durability and resistance to rot and decay, it is also appropriate for exterior applications.
• Boat Building: Due to its inherent resistance to water and insects, rosewood from Vietnam has traditionally been used for boat construction. It is highly valued for the construction of boat hulls, superstructure, and interior components.
• Luxury and Fine Woodworking: Rosewood from Vietnam is highly valued in the luxury and exquisite woodworking industries. It is frequently used to construct high-end, custom-made furniture, yacht interiors, and architectural millwork of the highest quality. In these applications, its unique color and texture patterns contribute to its exclusivity and desirability.
• Turning and Handcrafted Objects: Bowls, containers, and pens are frequently crafted from rosewood from Vietnam by wood turners and craftspeople. It is a preferred material for handcrafted items due to its dense nature, which permits precise shaping and intricate designs.
• Veneer and Inlay: Occasionally, Vietnamese rosewood is sliced into thin veneer sheets that can be used to add a touch of opulence and sophistication to furniture, cabinetry, and decorative items. Small pieces of rosewood are embedded into a contrasting substance, such as ebony or ivory, to create ornamental patterns or designs.
• Aromatherapy and Incense: The wood-extracted essential oil of Vietnamese rosewood has a rich and calming aroma. It is occasionally utilized in aromatherapy for relaxation and tension relief. Additionally, the wood is occasionally consumed as incense, producing a pleasant aroma.
• Sculptures and Artwork: The attractive texture patterns and durability of Vietnamese rosewood make it a favorite among sculptors and artists. It is frequently carved or shaped into intricate sculptures, statues, and art pieces that highlight the wood’s natural beauty.
• Specialty Items and Utensils: Occasionally, Vietnamese rosewood is used to produce specialized items and implements. This may include wine bottle stoppers, unique serving trays, cutting boards, and cooking implements. Its density and aesthetic appeal make it suitable for these utilitarian and decorative objects.
• Architectural Accents: The occasional use of Vietnamese rosewood in architectural embellishments adds a touch of elegance and sophistication to buildings. This can consist of rosewood molding, crown molding, window enclosures, and decorative wall panels.
• Handcrafted Jewelry: Vietnamese rosewood is a popular material for handcrafted jewelry due to its vibrant hue and lustrous sheen. It can be used to make beads, pendants, and other jewelry components, adding a distinctive and natural addition to accessories.
• Souvenirs and Collectibles: Vietnamese Rosewood is frequently used to create mementos and collectibles. This can include small decorative boxes, figurines, and mementos that highlight the wood’s beauty and craftsmanship.

Side effects of Vietnamese rosewood

There is limited information available regarding the specific side effects of Vietnamese rosewood on human health. However, it’s important to note that the primary use of Vietnamese rosewood is in woodworking and not for consumption or medicinal purposes. Therefore, the potential side effects mentioned here are general considerations and may not be directly related to Vietnamese rosewood itself:

• Allergies: As with any wood, some individuals may experience allergic reactions when exposed to pollen or particles of Vietnamese rosewood. Allergic symptoms may include irritated skin, respiratory issues, and irritated eyes. Wood dust should be handled in a well-ventilated area while wearing protective gear such as mitts and masks, and medical attention should be sought if allergic reactions occur.
• Respiratory Issues: It is possible to inhale fine dust particles when working with timber, including Vietnamese rosewood. Wood particle exposure can potentially cause respiratory problems such as coughing, wheezing, and trouble breathing. When working with timber, proper ventilation and respiratory protection are recommended.
• Sensitization: After repeated exposure to Vietnamese rosewood or other woods, some individuals may develop sensitization or allergic reactions with time. Sensitization can cause allergic dermatitis, which is characterized by rashes, redness, irritation, and blistering. It is vital to minimize prolonged or repeated skin contact with wood and to take necessary protective measures.
• Legal Considerations: The Vietnamese rosewood is a protected species due to illicit logging and overexploitation. Trading or possessing Vietnamese rosewood without the required documentation or authorization can result in legal penalties.
• Eye and Skin Irritation: Wood dust or particulates, including Vietnamese rosewood, may irritate the eyes or cause allergic reactions. Some individuals may develop skin irritation or allergic dermatitis after coming into direct contact with the wood or its particles.
• Splinters and Injuries: Without appropriate precautions, working with wood, including Vietnamese rosewood, can result in splinters or injuries. A splinter can cause pain, irritation, and infection risk. To reduce the risk of splinters and injuries, it is essential to handle wood with care, utilize the proper instruments, and take the necessary precautions.
• Environmental Sensitivities: Some people may be allergic or sensitive to the natural compounds found in wood, including Vietnamese rosewood. In susceptible individuals, direct or protracted contact with the wood may cause rashes, redness, or itching.
• Toxicity and Irritability: Some varieties of wood, such as certain species of Dalbergia, may contain natural compounds that could be toxic or irritating to the skin, eyes, or lungs. However, Vietnamese rosewood’s specific toxicity or irritability has not been extensively studied.

References:

https://en.wikipedia.org/wiki/Dalbergia_cochinchinensis

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=1007278#null

https://pfaf.org/user/Plant.aspx?LatinName=Dalbergia+cochinchinensis

https://www.cabidigitallibrary.org/doi/10.1079/cabicompendium.17745

https://gd.eppo.int/taxon/DAGCO

https://www.nparks.gov.sg/florafaunaweb/flora/2/8/2835

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:490142-1

https://tropical.theferns.info/viewtropical.php?id=Dalbergia+cochinchinensis

http://www.stuartxchange.com/AsianRosewood

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