Xue Lian
StarSaussurea involucrata (Kar. et Kir.) Sch.-Bip.
☯ TCM Properties
Dispels Wind-Dampness; Strengthens the Sinews and Bones; Tonifies Kidney Yang; Regulates menstruation; Stops Bleeding; Invigorates Blood and Unblocks the Channels and Collaterals; Warms the Lower Burner and Dispels Cold
Traditional Chinese Uses
Xue Lian (snow lotus, saussurea) is a rare, prized herb growing at extreme high altitudes in the Tianshan and Himalayan ranges. In Chinese medicine, it is used to warm the Kidney and Liver Yang, expel Wind-Cold-Damp from the joints and lower back, and regulate menstruation. It is applied for severe joint pain and lower back weakness from cold-type bi obstruction, and for menstrual irregularities and uterine cold. Its rarity and the harshness of its growing environment have long contributed to its legendary tonic reputation.
Western Herbalism Properties
Botanical Description
Saussurea involucrata, commonly known as snow lotus, is a perennial herbaceous plant in the family Asteraceae, endemic to high-altitude rocky slopes and scree of the Tian Shan, Pamir, and Altai mountain ranges of Central Asia, typically growing between 2400 and 4000 meters elevation. It produces a stout taproot and a rosette of oblong, dentate basal leaves covered in soft white woolly hairs. The flowering stem rises 15-35 cm and is crowned by a dense, hemispherical cluster of dark purple disc florets enclosed by conspicuous, papery, semi-translucent yellowish-white involucral bracts that resemble petals. These insulating bracts protect the inflorescence from extreme cold, UV, and wind. The whole flowering plant is harvested for traditional medicinal use.
Active Constituents
Rutin
Flavonol glycosideConcentration: Major marker constituent
Principal flavonoid of snow lotus; antioxidant and anti-fatigue, attenuates D-galactose-induced senescence and physical fatigue in mouse models and supports vascular integrity.
Chlorogenic acid
Caffeoylquinic (phenolic) acidConcentration: Major
One of the most abundant compounds in aqueous and ethanolic extracts; antioxidant and anti-inflammatory, contributing substantially to the herb's pharmacological activity.
Syringin (eleutheroside B)
Phenylpropanoid glycosideConcentration: Moderate
Immunomodulatory and anti-inflammatory; a recognised quality marker used alongside rutin to standardise Saussurea involucrata material.
Acacetin
Flavone (methoxyflavone)Concentration: Minor
Anti-inflammatory and anti-proliferative; contributes to reported anti-cancer and anti-oxidative activities.
Hispidulin
FlavoneConcentration: Minor
Neuroprotective and anticonvulsant flavone associated with the herb's CNS and anti-inflammatory effects.
Scopoletin and umbelliferone
CoumarinsConcentration: Minor
Predominant coumarins identified in extracts; anti-inflammatory and vasodilatory, and a theoretical basis for anticoagulant caution.
Guaianolide sesquiterpene lactones
Sesquiterpene lactonesConcentration: Minor
Characteristic Asteraceae constituents contributing to anti-inflammatory activity.
Polysaccharides
PolysaccharidesConcentration: Variable
Water-soluble polysaccharides with immunomodulatory and antioxidant activity in preclinical studies.
Dosage
| Form | Amount | Frequency | Duration | Population | Notes |
|---|---|---|---|---|---|
| decoction | 9-15g | Daily | — | — | — |
Preparation Methods
Decoction (internal)
Parts: whole flowering herb
About 3-6 g of the dried flowering herb decocted in water to dispel wind-dampness, warm the kidney yang and invigorate blood. Contraindicated in pregnancy.
Medicinal wine (tincture/maceration)
Parts: whole flowering herb
Traditionally steeped in rice wine or spirit to make a warming medicinal wine taken in small amounts for rheumatic pain, cold-type impotence and menstrual disorders.
Topical application
Parts: whole herb
Applied externally, often as a wine-soaked preparation, for painful obstruction of the sinews and joints.
Historical Texts
Ben Cao Gang Mu Shi Yi (Supplement to the Compendium of Materia Medica), Zhao Xuemin
Qing dynasty (1765)Chinese Pharmacopoeia (Zhongguo Yaodian)
Modern (2015 edition and later)References
- Gong G, Huang J, Yang Y, Qi B, Han G, Zheng Y, He H, Chan K, Tsim KWK, Dong TTX. Saussureae Involucratae Herba (Snow Lotus): Review of Chemical Compositions and Pharmacological Properties . Frontiers in Pharmacology (2020) [DOI]
- Way TD, Lee JC, Kuo DH, et al.. Rutin, a Flavonoid That Is a Main Component of Saussurea involucrata, Attenuates the Senescence Effect in D-Galactose Aging Mouse Model . Evidence-Based Complementary and Alternative Medicine (2012) [DOI]
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.
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