Shorea stenoptera is a species of tree belonging to the Dipterocarpaceae family, native to tropical rainforests in Southeast Asia, particularly found in Malaysia and Indonesia. Known for its large size and valuable timber, it is a significant species in tropical forest ecosystems and commercial timber industries.

Botanical Classification:

Kingdom: Plantae
Order: Malvales
Family: Dipterocarpaceae
Genus: Shorea
Species: Shorea stenoptera

Plant Characteristics:

Growth Form: Shorea stenoptera is a large evergreen tree that can grow up to 50-60 meters (164-197 feet) in height. It has a broad, dense canopy and a straight trunk.
Leaves: The leaves are large, leathery, and elliptical, with a glossy dark green surface and a lighter green underside. They are arranged alternately and can grow up to 15-30 cm (6-12 inches) long.
Flowers: The tree produces small, fragrant flowers that are typically yellowish or greenish. These flowers are clustered in racemes and are not particularly showy but are important for pollination.
Fruit: The fruit is a woody capsule that splits open when mature to release seeds. The seeds are winged, which aids in their dispersal by the wind.

Chemical Composition and Structure:

Resins: Shorea stenoptera produces a resin that is used in traditional medicine and as a component in various industrial applications. The resin contains various terpenes and diterpenes, contributing to its adhesive and medicinal properties.
Timber: The wood of Shorea stenoptera is dense and durable, containing lignin and cellulose which make it suitable for high-quality timber and construction.
Essential Oils: The tree may also contain essential oils with potential aromatic properties, although they are not as well-documented as in some other species.

How to Cultivate It:

Soil: Shorea stenoptera prefers deep, well-drained soils, typically found in tropical rainforests. It thrives in loamy and sandy soils but can adapt to various soil types as long as they are well-drained.
Light: The tree requires full sun to partial shade. It is commonly found in the canopy layer of tropical forests, so it prefers bright, direct light.
Watering: It is adapted to high rainfall environments and requires regular watering to maintain healthy growth. It is not tolerant of prolonged drought conditions.
Propagation: The tree is propagated mainly through seeds, which should be planted soon after harvesting to ensure high germination rates. It can also be propagated via cuttings, although this method is less common.
Maintenance: Shorea stenoptera requires minimal maintenance once established but benefits from occasional pruning to manage its shape and remove any dead or diseased wood.

Uses and Benefits:

Timber: The wood of Shorea stenoptera is highly valued in the timber industry for its durability and strength. It is used in construction, furniture, and flooring.
Resin: The resin has traditional uses in medicine and as a natural adhesive. It has been used in some cultures for its antimicrobial and anti-inflammatory properties.
Environmental: As a large tree in tropical forests, Shorea stenoptera plays a crucial role in maintaining forest biodiversity and ecosystem stability. It provides habitat for various wildlife species.

Applications:

Construction: Used in building materials, furniture, and flooring due to its strength and durability.
Traditional Medicine: The resin and other plant parts are used in traditional remedies, although its medicinal use is less widespread compared to other species.
Ecological Restoration: Utilized in reforestation and afforestation projects to restore tropical forest ecosystems and enhance biodiversity.

Environmental and Safety Considerations:

Environmental Impact: Shorea stenoptera is important for maintaining tropical rainforest ecosystems. Its logging can impact biodiversity and ecosystem stability, so sustainable management practices are crucial.
Safety: The wood and resin of Shorea stenoptera are generally safe when used as intended. However, safety guidelines should be followed in handling the resin, as it may cause skin irritation in sensitive individuals.

INCI:


Skin conditioning agent. It is the mainstay of topical skin treatment as it has the function of restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants that can be added in the formulation.

Skin conditioning agent - Emollient. Emollients have the characteristic of enhancing the skin barrier through a source of exogenous lipids that adhere to the skin, improving barrier properties by filling gaps in intercorneocyte clusters to improve hydration while protecting against inflammation. In practice, they have the ability to create a barrier that prevents transepidermal water loss. Emollients are described as degreasing or refreshing additives that improve the lipid content of the upper layers of the skin by preventing degreasing and drying of the skin. The problem with emollients is that many have a strong lipophilic character and are identified as occlusive ingredients; they are oily and fatty materials that remain on the skin surface and reduce transepidermal water loss. In cosmetics, emollients and moisturisers are often considered synonymous with humectants and occlusives.
Synonyms:

CAS: 91770-65-9 EC number 294-851-7