Physical and Chemical Features of Vietnamese and Chinese Cinnamon Barks on the Market
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概要
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The amounts of six essential oils, total ash and acid-insoluble ash and the loss of weight on drying of commercial cinnamon barks from China and Vietnam were determined by the provisions under the General Rules for Crude Drugs of the Pharmacopoeia of Japan. Vietnamese cinnamon barks were higher in the amount of total essential oils, especially of coumarin, than Chinese ones. Of Vietnamese cinnamon barks, Mien Nam cinnamon samples can be distinguished from Yen Bai samples by the presence of eugenol. The total ash content of Vietnamese cinnamon barks was higher than that of Chinese barks, but the acid-insoluble ash content of the Vietnamese barks was lower, indicating that Vietnamese barks do not contain much external inorganic impurities.
- 1999-08-20
著者
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Tanaka T
Gifu Pharmaceutical University
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TANAKA Toshihiro
Gifu Pharmaceutical University
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KAWAMURA TOMOKO
Faculty of Pharmacy, Meijo University
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Noro Yukio
Faculty Of Pharmacy Meijo University
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KONDOU TOSHIE
Gifu Pharmaceutical University
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INOUE KENICHIROU
Gifu Pharmaceutical University
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Kawamura Tomoko
Faculty Of Pharmacy Meijo University
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Tanaka Toshihiro
Faculty Of Pharmaceutical Sciences Health Sciences University Of Hokkaido
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Tanaka Toshihiro
Gifu College Of Pharmacy
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