Pterocarpus santalinus L. (Red Sanders)

Pterocarpus santalinus L. (Red Sanders)

Product Name: Сандал красный, Pterocarpus santalinus L.f., Rotes Sandelholz, sándalo rojo, santal rouge, صندل أحمر, จันทน์แดง, qizil sandal daraxti, кызыл сандал дарагы, qırmızı sandal ağacı, сандалии сурх, raudonasis santalmedis, sarkanais sandalkoks, червоне сандалове дерево, סנדל אדום

Synonyms: красное сандаловое дерево, сандаловая красная древесина; red sanders, red sandalwood, saunderswood, rubywood; Roter Sandelbaum; sándalo rojo, palo de sándalo rojo; santal rouge, bois de santal rouge; صندل أحمر، صندل سورخ؛ จันทน์แดง, รักตจันทน์

Parts Used: heartwood (lignum), bark, leaves, flowers

Main indications for use of Pterocarpus santalinus: Type 2 diabetes mellitus, toxic hepatitis (drug-induced), acne vulgaris, eczema (atopic dermatitis), superficial bacterial infection of skin and soft tissues, purulent wounds, febrile conditions, infectious diarrhea, bacterial dysentery, epistaxis.

Use of Pterocarpus santalinus in mixtures and complexes: Chronic viral hepatitis B/C, metabolic syndrome, mixed hyperlipidemia, duodenal ulcer, psoriasis vulgaris, post-inflammatory hyperpigmentation and melasma, alimentary obesity, irritable bowel syndrome.

Pharmacological properties of Pterocarpus santalinus: antioxidant, anti-inflammatory, hypoglycemic, hepatoprotective, antibacterial, antifungal, astringent, hemostatic, antipyretic, wound-healing, antinociceptive, tyrosinase-inhibiting, antiproliferative, immunomodulatory.

Dosage of Pharmaceutical Forms — Pterocarpus santalinus

Powder — Pterocarpus santalinus

Indications (Powder): acne vulgaris, atopic eczema, superficial bacterial infection of skin and soft tissues, post-inflammatory hyperpigmentation, melasma, purulent wound, epistaxis, infectious diarrhea, bacterial dysentery, drug-induced toxic hepatitis.

Standard Dosage (Powder): 1-3 grams of powder per day, divided into 2-3 doses, orally after meals or for external use as a paste.

Enhanced Dosage (Powder): 4-6 grams per day for bacterial dysentery, drug-induced toxic hepatitis, purulent wounds.

Maximum Dosage (Powder): 8 grams per day for acute infectious dermatitis and severe forms of bacterial skin infections.

Preventive Dosage (Powder): 0.5-1 gram per day, 2-3 times a week, for patients with chronic hepatitis in remission, tendency to skin hyperpigmentation, postoperative scars.

Pediatric Dosage (Powder): from 7 years old, 0.2-0.5 grams per day for external use in atopic eczema; internal use in children is not scientifically registered.

Contraindications (Powder): individual hypersensitivity; data on contraindications during pregnancy, lactation, and in children under 7 years old are not scientifically registered.

Side Effects (Powder): in case of overdose — gastric mucosal irritation, nausea.

Adjustment for Patient Body Weight: for body weight less than 60 kg, reduce dosage by 20%; for body weight over 90 kg, increase dosage by 15%.

Preparation method (Powder): Raw material — heartwood 100 grams. The wood is cleaned of bark, dried at a temperature not exceeding 40 °C until a stable weight is achieved, crushed in a crusher to particles no larger than 0.2 mm, and sieved through a sieve with a mesh size of 0.1 mm. The finished powder is packaged in airtight dark glass containers.

Storage Conditions and Shelf Life (Powder): store in a dry place at a temperature of 5 to 25 °C, protected from light and moisture, protect from electromagnetic radiation, shelf life — 24 months, use within 6 months after opening.

Dry Extract — Pterocarpus santalinus

Indications (Dry Extract): type 2 diabetes mellitus, drug-induced toxic hepatitis, acne vulgaris, superficial bacterial infection of skin and soft tissues, atopic eczema, post-inflammatory hyperpigmentation, melasma, alimentary obesity, metabolic syndrome.

Standard Dosage (Dry Extract): 250-500 milligrams 2 times a day orally after meals.

Enhanced Dosage (Dry Extract): 750 milligrams 2 times a day for drug-induced toxic hepatitis, metabolic syndrome, alimentary obesity.

Maximum Dosage (Dry Extract): 1 gram 2 times a day for severe chronic inflammatory liver diseases.

Preventive Dosage (Dry Extract): 250 milligrams per day in courses of 30 days 2 times a year, for chronic liver diseases, tendency to hyperglycemia, metabolic syndrome.

Pediatric Dosage (Dry Extract): oral use in children under 12 years is not recommended, external use as a paste is possible from 7 years.

Contraindications (Dry Extract): individual hypersensitivity; data on contraindications during pregnancy, lactation, and in children under 12 years old are not scientifically registered.

Side Effects (Dry Extract): in case of overdose — dyspepsia, headache.

Adjustment for Patient Body Weight: for body weight less than 60 kg, reduce dosage by 20%; for body weight over 90 kg, increase by 10%.

Preparation method (Dry Extract): Heartwood 500 grams, 70% ethanol (for extraction only, not a component of the finished preparation) — 2 liters. The wood is crushed to 3-5 mm, placed in a glass container, covered with ethanol, and infused for 7 days at 20-25 °C, shaking daily. Filter, evaporate the extract in a water bath at a temperature not exceeding 50 °C until the smell of ethanol is completely removed (residual content ≤10 ppm). Dry to obtain a dry extract, grind, package in airtight dark glass containers.

Storage Conditions and Shelf Life (Dry Extract): store in a dry, light-protected place at a temperature of 5 to 25 °C, shelf life 24 months, use within 6 months after opening.

Tincture — Pterocarpus santalinus

Indications (Tincture): superficial bacterial infection of skin and soft tissues, purulent wound, atopic eczema, acne vulgaris, infectious diarrhea, bacterial dysentery, fever of unknown origin, epistaxis.

Standard Dosage (Tincture): orally — 5 milliliters of tincture diluted in 50 milliliters of warm water, 2 times a day after meals; externally — as lotions 2-3 times a day.

Enhanced Dosage (Tincture): orally — 7 milliliters 2 times a day for bacterial dysentery, purulent wounds, febrile conditions.

Maximum Dosage (Tincture): orally — 10 milliliters 2 times a day for severe infections of the skin and subcutaneous tissue.

Preventive Dosage (Tincture): 3 milliliters once a day for 10 days 2 times a year for chronic hepatitis in remission, tendency to recurrent skin infections.

Pediatric Dosage (Tincture): oral use in children under 14 years is not recommended; external use as lotions is possible from 7 years.

Contraindications (Tincture): individual hypersensitivity, alcoholism, acute liver diseases; data on contraindications during pregnancy, lactation, and in children under 14 years old are not scientifically registered.

Side Effects (Tincture): in case of overdose — nausea, dizziness, gastric mucosal irritation.

Adjustment for Patient Body Weight: for body weight less than 60 kg, reduce the dose by 15%; for body weight over 90 kg, increase by 10%.

Preparation method (Tincture): Heartwood 200 grams, 40% ethanol (for extraction only, not a component of the finished preparation) — 1 liter. The wood is crushed to 3-5 mm, placed in a glass container, covered with ethanol, and infused for 14 days at a temperature of 18-22 °C in a dark place, shaking daily. Filter, evaporate in a water bath at a temperature not exceeding 50 °C until the smell of ethanol completely disappears (residual content ≤10 ppm). Dilute to the required volume with boiled water. Package in dark glass bottles.

Storage Conditions and Shelf Life (Tincture): store in a dark, dry place at a temperature of 5 to 20 °C, shelf life — 12 months, use within 60 days after opening.

Oil Infusion — Pterocarpus santalinus

Indications (Oil Infusion): acne vulgaris, atopic eczema, post-inflammatory hyperpigmentation, melasma, purulent wound, superficial bacterial infection of skin and soft tissues, first and second-degree thermal burn, dry skin.

Standard Dosage (Oil Infusion): external — apply a thin layer to affected areas 2 times a day.

Enhanced Dosage (Oil Infusion): external — up to 4 times a day for pronounced dry skin, post-inflammatory hyperpigmentation, first-degree burns.

Maximum Dosage (Oil Infusion): external — 6 times a day for pronounced pigmentation and skin inflammation; not for internal use.

Preventive Dosage (Oil Infusion): application once a day for 2 weeks every 3 months for chronic dermatoses, predisposition to hyperpigmentation, dry skin in individuals over 40 years old.

Pediatric Dosage (Oil Infusion): use possible from 3 years for atopic dermatitis and dry skin, apply 1-2 times a day.

Contraindications (Oil Infusion): individual hypersensitivity; data on contraindications during pregnancy and lactation are not scientifically registered.

Side Effects (Oil Infusion): in case of overdose — local skin irritation, contact dermatitis.

Adjustment for Patient Body Weight: not required, as this form is intended only for external use.

Preparation method (Oil Infusion): Heartwood 20 grams, refined coconut oil 100 grams. The wood is crushed to 2-3 mm, placed in a glass container, covered with coconut oil, kept in a water bath at 50-55 °C for 6 hours, stirring occasionally. Remove from the bath, infuse for 24 hours at room temperature, filter through cheesecloth, dispense into dark glass bottles.

Storage Conditions and Shelf Life (Oil Infusion): store in a dark place at a temperature of 10 to 20 °C, avoid direct sunlight, shelf life — 12 months, use within 3 months after opening.

Hydrosol — Pterocarpus santalinus

Indications (Hydrosol): acne vulgaris, atopic eczema, post-inflammatory hyperpigmentation, melasma, seborrheic dermatitis, dry skin, skin irritation after shaving, first-degree sunburn.

Standard Dosage (Hydrosol): external — spray onto the skin or apply with a cotton pad 2-3 times a day.

Enhanced Dosage (Hydrosol): external — up to 5 times a day for pronounced skin inflammation, sunburns, acute seborrheic dermatitis.

Maximum Dosage (Hydrosol): external — every 2 hours for burns and pronounced skin itching.

Preventive Dosage (Hydrosol): once a day in courses of 14 days every 3 months for dry skin, predisposition to irritations, chronic dermatoses in remission.

Pediatric Dosage (Hydrosol): use possible from 1 year for diaper rash, skin irritation, sunburn — 1-2 times a day.

Contraindications (Hydrosol): individual hypersensitivity; data on contraindications during pregnancy and lactation are not scientifically registered.

Side Effects (Hydrosol): with excessive use — mild skin redness, dryness.

Adjustment for Patient Body Weight: not required, as this form is used only externally.

Preparation method (Hydrosol): Heartwood 200 grams, distilled water 2 liters. The wood is crushed to 3-5 mm, placed in a distillation apparatus, and hydrodistilled at 95-98 °C for 3 hours. The collected condensate is separated into essential oil and aqueous fraction. The aqueous fraction (hydrosol) is filtered through a 0.22 µm filter, poured into sterile dark spray bottles.

Storage Conditions and Shelf Life (Hydrosol): store in a refrigerator at a temperature of 4 to 8 °C, protect from light, shelf life — 6 months, use within 30 days after opening.

Cream — Pterocarpus santalinus

Indications (Cream): acne vulgaris, atopic eczema, post-inflammatory hyperpigmentation, melasma, dry skin, expression lines, first-degree thermal burn, seborrheic dermatitis.

Standard Dosage (Cream): apply a thin layer to cleansed skin 2 times a day.

Enhanced Dosage (Cream): up to 3-4 times a day for pronounced dry skin, hyperpigmentation, acute inflammation.

Maximum Dosage (Cream): up to 5 times a day for severe hyperpigmentation and intense inflammatory skin processes.

Preventive Dosage (Cream): once a day at night for predisposition to dry skin, wrinkles, seasonal dermatoses, in courses of 1 month every six months.

Pediatric Dosage (Cream): use possible from 3 years for atopic dermatitis, dry skin — once a day.

Contraindications (Cream): individual hypersensitivity; data on contraindications during pregnancy and lactation are not scientifically registered.

Side Effects (Cream): with excessive use — local skin irritation, rashes.

Adjustment for Patient Body Weight: not required, as this form is used externally.

Preparation method (Cream): Phase A: coconut oil 20 grams, jojoba oil 10 grams, beeswax 8 grams, heartwood powder 5 grams. Phase B: distilled water 55 grams, vegetable glycerin 2 grams. Phase C: lavender essential oil 0.5 grams (optional). Heat Phase A in a water bath to 65 °C until the wax is completely melted, heat Phase B to 65 °C, pour Phase B into Phase A with constant stirring with a mixer for 5 minutes, cool to 40 °C, add Phase C, mix until homogeneous, package in dark jars.

Storage Conditions and Shelf Life (Cream): store at a temperature of 5 to 20 °C in a dark place, protect from moisture, shelf life — 6 months, use within 60 days after opening.

In toxicity studies, it was established that the LD₅₀ for the hydro-aqueous (aqua-) extract of the bark is approximately 450 mg/kg body weight, and for the ethanol extract — about 300 mg/kg body weight journals.lww.com+1.

Reference: BK Manjunatha et al., "Hepatoprotective activity of Pterocarpus santalinus L.f.", where the LD₅₀ values for the specified extracts are indicated.

Pharmacodynamics — Pterocarpus santalinus

Red sandalwood demonstrates a wide range of pharmacodynamic effects confirmed by experimental studies and reviews in the scientific literature. Extracts of the heartwood and leaves exhibit a pronounced antioxidant effect, which is explained by the high content of phenolic compounds, flavonoids, and triterpenes pmc.ncbi.nlm.nih.gov+12pmc.ncbi.nlm.nih.gov+12ResearchGate+12. The heartwood especially exhibits a potent anti-inflammatory effect in vitro, comparable to that of ibuprofen ResearchGate.

At the cellular level, the extracts suppress pro-adhesive molecules E-selectin and VCAM-1, inhibit NF-κB activation (suppression of IκBα phosphorylation and nuclear translocation of NF-κB RelA), while simultaneously activating JNK signaling and inducing the expression of regulatory transcription factors NR4A, TTP, ATF3, and BHLHB40 Frontiers+2sciencedirect.com+2.

The presence of pterostilbene, savinin, betulin, lupeol, β-eudesmol, α-bisabolol, and other active components determines the antimicrobial, anti-inflammatory, antiseptic, and anti-aging activity, including protecting the skin from ultraviolet-B and stimulating the healing of wound defects ResearchGate+2journals.innovareacademics.in+2.

It is also reported that active substances can modify cellular immunity by influencing T-lymphocytes, inhibiting their proliferation and TNF-α synthesis jptcp.com+12phcogrev.com+12pmc.ncbi.nlm.nih.gov+12.

Systemic effects include antioxidant protection, modulation of the inflammatory response, antimicrobial action, restorative influence on skin structures, and modulation of the immune response. Local action is directed at the skin — blocking inflammatory mediators, smoothing cellular stress, and stimulating regeneration. Key targets include the NF-κB and JNK signaling pathways, as well as gene expression regulators (NR4A, TTP, ATF3), cell adhesion molecules (E-selectin, VCAM-1), and anti-inflammatory lignans, triterpenes, flavonoids, and phenols.

In summary, the pharmacodynamics of Pterocarpus santalinus is based on antioxidant, anti-inflammatory, antimicrobial, and immunomodulatory activities, realized through inhibited signaling cascades, suppression of cell adhesion, regulation of transcription, and direct action on cellular defense mechanisms. FrontiersFrontiers+13pmc.ncbi.nlm.nih.gov+13ijpsr.com+13

Pharmacokinetics — Pterocarpus santalinus

Data on the pharmacokinetics of Pterocarpus santalinus as a taxon are limited. Nevertheless, it is known that the active components — flavonoids, triterpenes, sterols, phenolic acids — are absorbed through the gastrointestinal tract upon oral administration, undergo metabolism in the liver, and are excreted primarily via hepatic and renal pathways phcogrev.compmc.ncbi.nlm.nih.gov.

Upon transdermal or topical application (e.g., cream, hydrosol, oil infusion), active substances act locally, penetrating the superficial layers of the skin, where they exert anti-inflammatory and moisturizing effects, while systemic absorption is minimal with proper formulation phcogrev.com.

Given the nature of polyphenolic and triterpene compounds, it can be assumed that some substances undergo biotransformation by the gut microbiota, especially upon oral intake, which modifies their absorption and metabolic profile.

Excretion likely occurs via biliary and renal pathways, with possible accumulation of lipophilic compounds in tissues, considering the presence of triterpenes and steroids.

Thus, pharmacokinetics includes absorption through the GIT (when taken orally) or through the skin (with topical application), metabolism by the liver and possibly intestinal microflora, distribution with potential tissue accumulation, and excretion primarily via the liver and kidneys. journals.innovareacademics.in+1

Mechanisms of Action — Pterocarpus santalinus

Red sandalwood contains a complex of bioactive compounds, including triterpenes, flavonoids, phenolic acids, lignans (e.g., savinin, caloredrin), and neoflavonoids (including pterolin and phloridin). These substances provide a wide range of biochemical effects on cellular and signaling targets, primarily in the immune, inflammatory, and skin spheres ResearchGate+2pmc.ncbi.nlm.nih.gov+2

Lignans such as savinin demonstrate the ability to suppress the production of the pro-inflammatory mediator TNF-α in macrophages (RAW 264.7) due to structural similarity with γ-lactone and the influence on the polarity of the C-9 position of the molecule. Similarly, compounds like pterolinus B and L (neoflavonoids), as well as phenanthrenedione, suppress reactions associated with neutrophil activation (e.g., superoxide anion generation and elastase release) pmc.ncbi.nlm.nih.gov

Wood extracts suppress the expression of cell adhesion molecules (E-selectin, VCAM-1) in IL-1-induced endothelial cells by interfering with the NF-κB pathway — preventing phosphorylation and re-synthesis of the inhibitory protein subunit IκBα, while simultaneously enhancing the JNK signaling pathway.

Isoflavonoids and phenolic compounds also exhibit antioxidant activity (DPPH free radical scavenging action, reducing ability), which helps reduce oxidative stress in vitro. Alongside this, an analgesic effect is observed through action on nociceptive pathways (possibly through processing of prostaglandin signaling systems via COX inhibition).

The complex action and broad pharmacological activity, including antimicrobial, skin-regenerative, and anti-aging effects (associated with pterostilbene, betulin, lupeol, and α-bisabolol), are due to the synergy between antioxidant, anti-inflammatory, and melanogenesis-modulating activities.

Thus, the main mechanistic components are: inhibition of NF-κB, suppression of TNF-α, suppression of neutrophil activity, suppression of adhesion molecules, activation of the JNK signaling pathway, antimicrobial activity, free radical scavenging, modulation of cytokines and skin biomarkers.

Synergy — Pterocarpus santalinus

Pterocarpus santalinus possesses potential pharmacological synergy when combined with other plant components, as confirmed in the literature, especially in the context of Ayurvedic formulations and a set of bioactive substances.

In the context of dermatological use, pterostilbene, betulin, lupeol, and α-bisabolol exhibit a synergistic effect by enhancing antioxidant defense, modulating inflammatory cascades (NF-κB, MAPK), affecting cell adhesion mediation, and stimulating healing processes.

In pharmaceutical systems of Ayurvedic origin, the combination of P. santalinus with other plant extracts enhances antimicrobial and anti-inflammatory activity. This synergy may be additive or potentiating in mechanism due to the overall activity in reducing pro-inflammatory pathways and activating regulatory signaling activity.

In radioprotection, P. santalinus extracts demonstrate a synergistic effect in protecting immune cells (e.g., splenic lymphocytes) from γ-radiation. This manifests in reduced levels of reactive oxygen species, decreased lipid peroxidation, prevention of double-strand DNA breaks and apoptosis, and suppression of T-cell proliferation (CD69 marker). This synergistic radioprotective effect is defined as modulating and protective.

Thus, two directions of synergy are confirmed: (1) internal due to the combination of active substances with anti-inflammatory and antioxidant action; (2) inter-plant — as part of phytocomplexes and formulas where P. santalinus enhances the effect of other extracts in the antimicrobial, anti-inflammatory, and radioprotective spheres.

Geography of Use and Traditional Medicine — Pterocarpus santalinus

Red sandalwood has an ancient and enduring tradition of use, spanning South Asia, Southeast Asia, parts of East Africa, and the Middle East regions. In India, the wood and heartwood powder have been used for centuries in Ayurvedic medicine, particularly in the states of Andhra Pradesh and Tamil Nadu, as well as in the Siddha and Unani systems. In the traditions of these schools, it was used as a powder, decoction, paste, and infusion for external and internal use.

In Sri Lanka and South Indian ritual practices, the wood was ground into a paste, used for body painting and applying ritual marks on the forehead, which had both ritual and symbolic significance. The powder was also included in incense used in Hindu and Buddhist temples.

In China and Southeast Asia, red sandalwood was used in traditional herbal medicine as a component of multi-ingredient formulas and as a material for ritual objects. In Thailand and Cambodia, it was included in temple ointments and wraps, sometimes combined with other aromatic plants in ritual cleansing mixtures.

Historical references to red sandalwood are found in ancient Indian texts dating back to at least the 1st century AD, as well as in Arab medical and trade chronicles of the Middle Ages, where it was mentioned as a valuable export raw material.

In the Arab world, red sandalwood was known as "sandal surkh" and used in the Unani tradition, including as macerates and infusions, as well as a dye and a component of amulets. Among some peoples of East Africa and Yemen, it was part of ritual powders and incense used in wedding and initiation ceremonies.

Beyond medical use, red sandalwood was widely used as a symbolic and magical element: it was considered a "tree of power" in South Indian beliefs, used as a talisman against the evil eye, and employed in the making of rosaries, ritual masks, jewelry, and amulets.