| 丽江云杉鞣质级分的分子量测定及鞣革性能的研究 |
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| 引用本文： | 陈武勇 李英. 丽江云杉鞣质级分的分子量测定及鞣革性能的研究[J]. 林产化学与工业, 1992, 12(1): 57-63 |
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| 作者姓名： | 陈武勇 李英 |
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| 作者单位： | 成都科技大学 成都610065(陈武勇，李英)，成都科技大学 成都610065(张文德) |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： |
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| 关 键 词： | 丽江 云杉植物鞣质 分子量测定 |
AVERAGE MOLECULAR WEIGHTS AND TANNING POWER OF TANNIN FRACTIONS FROM BARK OF PICEA LIKIANGENSIS |
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| Chen Wuyong Li Ying Zhang Wende. AVERAGE MOLECULAR WEIGHTS AND TANNING POWER OF TANNIN FRACTIONS FROM BARK OF PICEA LIKIANGENSIS[J]. Chemistry & Industry of Forest Products, 1992, 12(1): 57-63 |
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| Authors: | Chen Wuyong Li Ying Zhang Wende |
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| Abstract: | Three tannin fractions including ether extract (1), ethyl acetate extract (2) and water extract (3) from the sacetone-soluble materials of Picea likiangensis bark were used for determinations of number average molecular weight (Mn) and tanning power. Results show that the Mn of (1), (2) and (3) is 350. 860 and 1550, respectively. The order of penetration rate is (1)>(2)>(3), and that of shringkage temperature is (3)>(2)>(1). The results of tanning power agree with Mn of (1), (2) and (3). |
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| Keywords: | Picea likiangensis Vegetable tannin Number average molecular weight |
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