Herbal Exhibition
Rhizoma Polygonati Odorati
Fragrant Solomonseal Rhizome
Yuzhu

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Source
The rhizome of Polygonatum odoratum (Mill.) Druce (Fam. Liliaceae).

Distribution
Mainly in Chinese provinces such as Hunan, Henan, Jiangsu and Zhejiang.

Harvest & Processing
Dig up rhizomes in autumn; remove fibrous roots; wash rhizomes clean. Dry until soft; knead repeatedly; dry thoroughly under the sun. Alternatively, steam thoroughly, knead until translucent and dry under the sun.

Description
Long and cylindrical, slightly flattened, seldom rameous (branched); 4-18 cm long, 0.3-1.6 cm in diameter. Outer surface yellowish-white or pale yellowish-brown; translucent; with longitudinal wrinkles and slightly protuberant annular (ring-like) nodes, punctiform (dot-like) white scars of fibrous roots, and disciform (disc-like) stem scars. Hard and brittle, pliable when moistened; breaks easily; when broken, surface cuticular or granular. Odour: faint; taste: sweet. Chewy.

Indications
1. Dry cough, fever and cough
2. Dry throat, polydipsia, dehydration due to febrile disease, diabetes
3. Dizziness, muscular spasm 4. Hyperlipidemia, angina pectoris

Chemical Composition
Mainly contains odoratan and polyfuroside.

Photos

 

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The information and images in this Online Herbal Exhibition is form the book, "An Illustrated Chinese Materia Medica in Hong Kong", edited by Professor Zhao Zhongzhen, School of Chinese Medicine, Hong Kong Baptist University. For the complete collection of Chinese Materia Medica compiled by Professor Zhao, please go to this website: http://www.bucmm.org.

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