Download Advances in plant glycosides, chemistry and biology: by China) International Symposium on Plant Glycosides (1997 PDF

By China) International Symposium on Plant Glycosides (1997 Kunming, Chong-Ren Yang, Osamu Tanaka, Chong-Ren Yang, Osamu Tanaka

Within the plant country quite a few chemical parts take place in a glycoside shape (conjugation with sugar). Glycosides are vital, secondary metabolites. The structural variety is end result of the the immense quantity of types and stereochemical configurations of the sugar part. Aglycones belong to terpenoid, steroid, flavonoid, quinonoid, lignan, different basic phenolics, and isothiocyanate. even though, organic actions of glycosides are, in lots of instances, at risk of the character of sugar moieties, even if their aglycone is the same.

Since the 80s, plant glycosides were attracting an expanding quantity of curiosity from botanists and phytochemists world-wide for the next reasons:

• they're tricky to isolate and purify

• they've got a crucial organic functionality in vegetation and memorable organic activities

• they seem to be a vitally important source of typical drugs, future health foodstuff, cosmetics and f

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Extra info for Advances in plant glycosides, chemistry and biology: proceedings of the International Symposium on Plant Glycosides, August 12-15, 1997 Kunming, China

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9 (>80) panaxynol .... c (0) .... 5 (>80) a Values represent relative percentages to the positive control, b Values in parentheses are viability percentages of Raji cells. r not detected 37 Of these compounds, acetylenes showed significant inhibitory effects, but they have very strong cytotoxicities on Raji cells (0% viability at lxl02 mol ratio/TPA and less than 30% viability at 5x10 mol ratio/TPA). On the other hand, ginsenoside-Rgl exhibited the most strong inhibitory effects in these five saponins and preserved high viability even at high concentration.

And Nohara, T. (1996) Phytochemistry 42, 169. 15. , Nohara, T. and Ejima, A. (1996) Biol. Pharm. , 19, 564. , Hiromi Shimada, Johji Yamahara, and Hisashi Matsuda Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, yamashina-ku, Kyoto 607 In Chinese traditional medicinal books such as Shen Nong's Herbal ( ~ [ t ~ ~ ) , compendium of Chinese Materia Medica ( ~ , ~ E I ) , and Dictionary of Chinese Materia Medica ( ~ ~ ~ ) , a number of foods are listed as medicine and are prescribed in various traditional preparations.

09% PB I. +ext ofP. 5 mg/100 ml) II. 13 100 III. DEN+water 3 0 0 0 IV. 09% PB alone 4 0 0 0 V. 09% PB solution including the extract of P. notoginseng has been drunk as the promotion treatment instead of drinking water( for 25 weeks). 09% PB solution has been drunk as the promotion treatment instead of drinking water( for 25 weeks). 8 mg/mouse, peritoneal injection), and drinking water. 09% phenobarbital (PB) solution has been drunk as the promotion treatment instead of drinking water. 5 Without initiation, drinking water alone.

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