Flos Sophorae Huaimi/Huaihua
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Pharmacopoeia of the People’s Republic of China, English Edition, 2000/2005
Official drug(1):
Sophorae flos immaturus and Sophorae flos from Sophora japonica L. (Fabaceae) The drug is collected in summer when flower buds are forming or at flowering, dried in time and removed from branch, pedicel and foreign matters. The former is known as „Huaimi“ and the later as „Huaihua“.
Origin(1):
China (primarily in the provinces Guangdong, Guangxi, Shandong), Japan, North Vietnam
Description of the drug (1):
Huaimi (flower buds): Ovoid and ellipsoidal, 2 ~ 6 mm long, about 2 mm in diameter. Calyx with several longitudinal striations at the lower part. Petals yellowishwhite, unflowering, occurring above the calyx. Pedicels slender. Texture light, broken after rubbing. Odourless; taste, slightly bitter and adstringent. Huaihua (flowers): Crumpled and rolled, petals mostly fallen off. When whole, calyx campanulate, yellowish-green, 5-lobed at the apex. Petals 5, yellow or yellowish-white, 1 larger, subrounded, the apex retuse, the other 4 oblong. Stamens 10, 9 accreted at the base. Filaments slender. Pistil cylindrical, curved. Texture light. Odourless, taste slightly bitter.
Pretreatment of the raw drug (1):
Flos Sophorae (Huaimi): Foreign matters are eliminated. Flos Sophorae (Chaohuaimi: qingchao-method; stir-baked): Clean crude drug is placed in a pot, stir-baked with gentle heat until a dark yellow colour is produced externally, then taken out and cooled. The crude drugs which should be baked to charring are baked at a relatively high temperature until the surfaces of the crude drugs turn brown and the fractures become darkened, then taken out and cooled. For the crude drugs inflammable on baking to char, a small amount of
H. Wagner et al. (eds.), Chromatographic Fingerprint Analysis of Herbal Medicines © Springer-Verlag/Wien 2011
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Flos Sophorae – Huaimi/Huaihua
water may be sprayed on the crude drugs, then the crude drugs are baked to dryness or dried in the sun. Flos Sophorae (Huaimitan: chaotan-method; carbonized): The nature of the crude drugs should be preserved and prevented from ashing. The clean crude drug is placed in a hot pot and stir-baked at a high temperature until a charred brown colour is produced externally. A small quantity of water is sprayed, taken out and dried in the air. Medicinal use(2,3):
various external and internal hemorrhagic diseases (e.g. retinopathia), ulcerative colitis, cerebral thrombosis, hypertension
Effects and indications according to Traditional Chinese Medicine(1,2) Taste:
bitter
Temperature:
neutral, with cold tendency
Channels entered:
liver, colon
Effects:
arrest bleeding by reducing heat in blood, quench excess fire in the liver
Symptoms and indications:
hematochezia, hemorrhoidal bleeding, dysentery with bloody stools, abnormal uterine bleeding, spitting of blood, epistaxis, redness of the eyes, headache and dizziness due to excess fire in the liver
Main constituents(4):
– flavonoids: Rutin (6 % Huaimi, 15 % Huaihua) quercetin-, kaempferol-, genisteinand other
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