1) melampsporin
[me'læmspɔ:rin]
没食子苷色素
2) xestophanesin
没食子色苷
3) galloylcellulose
没食子酰纤维素
1.
A new functional polymer material, namely galloylcellulose, was synthesized with gallic acid as functional group, and cellulose as molecular skeleton.
将没食子酸先用醋酐进行乙酰化保护酚羟基,后与酰氯化剂SOCl2或PCl5反应,制得三乙酰基没食子酰氯,得率分别为80%和90%;再以吡啶为催化剂与纤维素进行酯化反应制得三乙酰基没食子酰纤维素;然后脱去乙酰基制得功能高分子化合物没食子酰纤维素,酯化率为43。
4) epigallocatechin
表没食子儿茶素
1.
Results Six compounds were isolated from the alcoholic extract of the whole plant of Elsholtzia bodinieri,their structures were elucidated as sandaracopimar-15-en-8β,12β-diol(1),epigallocatechin(2),tricin(3),acacetin(4),quercetin(.
结果从东紫苏全草的乙醇提取物中分离出6种化合物,分别鉴定为:三达右松脂-15-烯-8β,12β-二醇(1),表没食子儿茶素(2),小麦黄酮(3),金合欢素(4),槲皮素(5)和β-谷甾醇(6)。
5) gallocatechin
没食子儿茶素
1.
Result: The calibration curves of gallocatechin, catechin and epicatechin are linear within the range of 0.
方法:以没食子儿茶素(gallocatechin),儿茶素(catechin),表儿茶素(epicatechin)为对照品,反相C18柱,流动相甲醇-冰醋酸-水系统,梯度洗脱,流速0。
2.
suberectus, and were identified as: ononin (1), pruneitin (2), gallocatechin (3), catechin (4), epicatechin (5), syringic acid(6), vanillic acid(7) and daucosterol(8).
结果 :分离鉴定了 8个化合物 ,分别为芒柄花苷 (ononin ,1) ,樱黄素 (prunetin ,2 ) ,没食子儿茶素 (gallocatechin ,3) ,儿茶素 (catechin ,4 ) ,表儿茶素 (epicatechin ,5 ) ,丁香酸 (syringicacid ,6 ) ,香草酸 (vanillicacid ,7) ,胡萝卜苷 (daucosterol,8)。
6) (-)-Epigallocatechin
(-)-表没食子儿茶素
补充资料:(-)-表没食子儿茶素没食子酸酯
分子式:C22H18O11
分子量:458.38
CAS号:989-51-5
性质:
分子量:458.38
CAS号:989-51-5
性质:
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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