ZHU MA GEN
Boehmeria nivea (L.) Gaud. (Fam. Urticaceae)
I. Root; 2. Stem with flowers; 3. Flower; 4. Fruit pharmaceutical name Bombyx Batryticatus english name body of infected silkworm part used body of fourth- or fifth-stage larva
This herb is the dried body of fourth- or fifth-stage larva of Bombyx mori L. (Fam. Bombycidae) that has died of infection or artificial infection by Beau-veria bassiana (Bals.) Vuill. It is produced mainly in the provinces of Zhejiang, Jiangsu, and Sichuan. The silkworms are dried in sunlight and used unprepared or stir-baked.
flavor, property, and channel tropism
Salty and pungent in flavor, neutral in property, acts on the Liver and Lung channels.
Stops Wind to relieve convulsion, clear toxins, and dissolve lumps.
clinical use and major combinations
For spasms and convulsions due to Liver Wind and Excess Phlegm Heat, it is used with Scorpio (Quan Xie), Rhizoma Gastrodiae (Tian Ma), and Arisaema Cum Felle Bovis (Dan Nan Xing). For chronic diarrhea due to Spleen Deficiency or chronic convulsions, it is used with Radix Codonopsis (Dang Shen), Rhizoma Atractylodis Macrocephalae (Bai Zhu), and Rhizoma Gastrodiae (Tian Ma) in "The Awakening the Spleen Powder" (Xing Pi San). For contorted mouth and eyes, it is used with Scorpio (Quan Xie) and Rhizoma Ty-phonii Gigantei (Bai Fu Zi) in "The Powder for Wry Face" (Qian Zheng San).
For headache due to Wind Heat, it is used with Herba Schizonepetae Tenuifolia (Jing Jie), Folium Mori (Sang Ye), and Herba Equiseti Hiemalis (Mu Zei) in "The Bombyx Batryticatus Powder" (Bai Jiang Can San). For sore throat due to Wind Heat, it is used with Radix Platycodi ( Jie Geng), Radix Saposhnikoviae (Fang Feng), and Radix Gly-cyrrhizae Uralensis (Gan Cao).
For scrofula and subcutaneous nodules, it is used with Bulbus Fritillariae Cirrhosae (Chuan Bei Mu), Spica Prunellae (Xia Ku Cao), and Fructus Forsyth-iae Suspensae (Lian Qiao).
dosage and administration
3 —to g, decocted in water for an oral dose. The unprepared herb is best for dispelling Wind Heat.
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