I.Base Origin Information:

Malaytea Scurfpea Fruit, with the Latin name PSORALEAE FRUCTUS, is the dried, ripe fruit of the leguminous plant Psoralea corylifolia L. This uniquely appearing seed, dark as charcoal, is a classic and essential herb in Traditional Chinese Medicine for warming the kidneys and assisting yang, securing essence and reducing urination, and promoting qi absorption to relieve wheezing. Its effects of tonifying the kidneys and strengthening yang have been clearly documented since the Kaibao Materia Medica. The name "Bu Gu Zhi" (literally "Supplement Bone Fat") directly points to its functional essence — it can "supplement the bones and generate marrow," strengthening the sinews and bones. Due to its acrid, warm nature and its focused and potent action of tonifying kidney yang, it is hailed as the "Seed of Robust Fire" for treating patterns of kidney yang deficiency and insecurity of the lower origin.We’ve added premium Malaytea Scurfpea Fruit to our herbal bath tea bags , click here to discover more health insights.

II. Authentic Production Area:

The primary production areas for Malaytea Scurfpea Fruit in China are Sichuan, Henan, Anhui, and Shanxi provinces. Among these, the fruits produced in Hechuan (Sichuan), Shangqiu (Henan), and Fuyang (Anhui) are considered the most authentic and superior in quality. Our herbal bath tea bags ingredients are carefully selected from these premium growing regions.These regions possess abundant light and heat resources, facilitating the development of a scientific cultivation and management system:

Scientific Adaptation to Geography and Climate: Malaytea Scurfpea thrives in warm, humid climates with ample sunlight. The authentic production areas are typically located in plains and hilly regions between 30-35 degrees north latitude, with an average annual temperature of 14-18°C, annual precipitation of 800-1200 mm, and a long frost-free period. Deep, fertile, well-drained sandy loam or alluvial soils are particularly suitable for the deep growth of its taproot system. Sufficient and intense sunlight is a key ecological factor that promotes the development of the fruit (legume), ensures plump seeds, and facilitates the synthesis of high-content photosensitive active ingredients, such as coumarins and flavonoids.

Precision Field Ecological Management:

1.Seed Treatment and Sowing: Before sowing, seeds are often soaked in warm water to break dormancy and improve the germination rate. Ridge or bed cultivation is used to facilitate drainage and field management.

2.The principle of "promote early, control mid, protect late" is followed. Nitrogen fertilizer is applied during the seedling stage to promote growth; during the flowering and pod-setting stage, nitrogen is controlled while phosphorus, potassium, and trace elements (such as boron and molybdenum) are increased to improve the fruit set and seed plumpness. In the later stage, foliar sprays of potassium dihydrogen phosphate are used to prevent premature aging.

3.Integrated Green Pest and Disease Control: For diseases it is susceptible to, such as root rot and powdery mildew, green prevention and control measures are adopted, including the selection of disease-resistant varieties, rational crop rotation (e.g., with cereal crops), and the use of biological pesticides. Strict attention is paid to the pre-harvest safety interval for pesticides.

4.The Art of "Preserving Efficacy" in Harvesting and Processing: Harvesting occurs in batches during autumn when the fruits are mature and the pericarp turns black. After harvesting, they are promptly dried in the sun or using low-temperature (≤50°C) drying methods. The fruits are then threshed to obtain the seeds, and the pericarp and impurities are removed. Modern processing particularly emphasizes "drying and storage protected from light," as its core active components (such as psoralen and isopsoralen) are light-sensitive and prone to degradation upon prolonged exposure. High-quality products are often dried using light-protected air-drying equipment and stored in brown containers to maximize the retention of their photosensitive activity and medicinal efficacy.

III. Quality

High-Quality Malaytea Scurfpea Fruit: The fruit is kidney-shaped, slightly flattened, measuring 3-5 mm in length and 2-4 mm in width. Its surface is black, blackish-brown, or greyish-brown, with fine, reticulate wrinkles. The single seed inside is yellowish-brown, smooth, and rich in oil. The texture is hard and not easily broken. It has a distinctive aroma (a rich burnt and pungent fragrance) and a taste that is pungent and slightly bitter. When a small amount is placed in water, high-quality fruits often float or sink slowly due to their oil content, without significantly discoloring the water. When roasted over a fire, the aroma becomes even more intense and pure.

Ordinary/Inferior  Malaytea Scurfpea Fruit: The fruits are shriveled, thin, small, and irregularly shaped. The surface appears greyish-yellow or yellowish-brown (indicating insufficient maturity or sulfur fumigation) or dull grey (suggesting dampness), with coarse wrinkles. The seeds are shriveled and lack oiliness. The texture is brittle, light, or damp and soft. The aroma is weak, or there may be a moldy or rancid odor. The taste is bland. They sink rapidly in water (possibly due to mixed-in sediment), or the water may become discolored and turbid. When roasted, the aroma is not pronounced, or there may be a burnt, unpleasant smell.

IV. Main Chemical Components

1.Sesquiterpene Alcohols (Primarily Santalol): These are the main constituents responsible for sandalwood's characteristic sweet, mellow, and woody aroma. They also serve as the material basis for its core pharmacological effects, such as sedative, anxiolytic, anti-inflammatory, and antibacterial properties. These compounds are chemically stable and exhibit long-lasting fragrance retention.

2.Other Sesquiterpenes and Aldehyde/Ketone Compounds: These contribute to the layered complexity of its aroma, including smoky nuances and subtle creamy notes. They also offer synergistic auxiliary effects, such as skin repair and anti-aging benefits.

V. Core Efficacy

Malaytea Scurfpea Fruit is warm in nature, pungent and bitter in taste, and acts on the kidney and spleen meridians. Its core efficacies are "warming the kidney and supporting yang, promoting qi absorption to relieve asthma, and warming the spleen to stop diarrhea." Its nature is pungent-warm, dry, and intense, adept at supplementing the fire of the life gate, strengthening the original yang, and consolidating the lower origin. When used externally in the form of a "herbal bath tea bag," its pungent-hot, penetrating, and moving properties can leverage the warmth of the water to deeply penetrate the skin, flesh, sinews, and bones, exerting its unique function of "warming the interior from the exterior and strengthening the foundation."

Can I take cold bath after finishing adapthgen bath ? 

Click here to see our adaptogen bath soak with Malaytea Scurfpea Fruit.

Promoting Qi Flow and Warming the Middle, Relieving Cold Pain in the Chest and Abdomen:

 It has a significant effect on cold pain, soreness, weakness, aversion to cold, and cold limbs in the waist and knees caused by insufficiency of kidney yang and decline of the life gate fire, effectively strengthening the sinews and bones. Its pungent-warm, dry, and intense properties synergize with the hot water, producing a powerful warming and unblocking effect. After transdermal absorption, its active components particularly target the lumbosacral region and lower limbs, areas traversed by the kidney meridian. They deeply dispel cold-damp pathogens from the joints and bones, promote local blood circulation and nutrient supply, thereby alleviating chronic low back pain, knee weakness, and joint cold pain caused by kidney deficiency with cold stagnation.

Calming the Heart and Tranquilizing the Mind, Facilitating Deep Relaxation and Sleep:

 It is used for deficiency-cold type wheezing and coughing due to the kidney failing to absorb qi, as well as spermatorrhea, nocturnal emission, and frequent nocturia due to insecurity of kidney qi. Through full-body or lower-body medicated baths, its power of "warming the kidney and securing" can penetrate the skin, exerting a gentle yet persistent warming and securing effect on the lower jiao (the kidney and bladder region). It has an auxiliary regulating effect on mild frequent urination and nocturia caused by kidney yang deficiency, as well as deficiency-type wheezing in the elderly and frail.

Aromatic Purification, Cleansing Body, Mind, and Environment:

 Modern research indicates that its active components can stimulate skin pigmentation production under ultraviolet radiation, and it is used externally to treat vitiligo and alopecia areata. Its dampness-drying properties offer certain auxiliary benefits for some types of eczema. This must be used under professional guidance. When used in a medicinal bath, its active components can act directly on the skin. However, it is crucial to note that due to its photosensitizing nature, one should avoid immediate sun exposure after use, or it may need to be combined with specific light therapy (such as UVA), strictly following medical advice.