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yaonikuaile

铁虫 (初入文坛)

[求助] 求某植物甾醇相关信息 已有2人参与

检测单位检测花蕊样品中植物甾醇含量时,给出这样一个结构式和名称Cholest-5-en-3-ol, 24-propylidene-, (3β)-24-亚丙基-5,24-胆甾二烯醇。可我在网上搜不到有关该植物甾醇的信息。不知道大家谁知道这种结构图是不是24-亚丙基-5,24-胆甾二烯醇,另外24-亚丙基-5,24-胆甾二烯醇应该怎么检测,有没有相关资料,万分感谢!!!

求某植物甾醇相关信息
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叶之殇

铁虫 (小有名气)

AbstractTwo rare C30-sterols, (24E)-24-n-propylidenecholest-5-en-3β-ol and 24-n-propylcholest-5-en-3β-ol, and (24S)-24-ethylcholesta-5,22-dien- 3β-ol (stigmasterol) are the major sterols of Nematochrysopsis roscoffensis, a Chrysophyte of the Sarcinochrysidales order. This unique sterol composition is different from the sterol contents of other Chrysophytes and justifies the peculiar position of the Sarcinochrysidales, which are by some characteristics morphologically and biologically related to the Phaeophyceae. The presence of (24S)-24-methylcholesta-5,22-dien-3β-ol (24-epibrassicasterol) as a major sterol in Chrysotila lamellosa is in accordance with the few previous results obtained from other Prymnesiophyceae, although the presence of the other major sterol, (24R)-24-ethylcholesta-5,22-dien-3β-ol (poriferasterol) has never been reported in these algae.KeywordsNematochrysopsis roscoffensis; Chrysotila lamellosa; Chrysophyceae; Prymnesiophyceae; unicellular algae; sterols; (24E)-24-n-propylidenecholesterol; 24-n-propylcholesterol.

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7楼2017-04-05 23:08:25
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wyy080214

实习版主 (职业作家)

【答案】应助回帖

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感谢参与,应助指数 +1
费姚永芬: 金币+2, 专家考核 2014-04-05 14:02:40
yaonikuaile: 金币+2, 有帮助 2014-04-09 16:43:34
其他的说不上,检测的话C18就应该可以的
2楼2014-04-05 12:16:06
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yaonikuaile

铁虫 (初入文坛)

引用回帖:
2楼: Originally posted by wyy080214 at 2014-04-05 12:16:06
其他的说不上,检测的话C18就应该可以的

那标样呢?有购买建议吗?我查不到这种植物甾醇...
3楼2014-04-05 13:37:04
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wyy080214

实习版主 (职业作家)

引用回帖:
3楼: Originally posted by yaonikuaile at 2014-04-05 13:37:04
那标样呢?有购买建议吗?我查不到这种植物甾醇......

需要具体名称的,可以联系厂家,告诉你的要求,让他们帮你找
4楼2014-04-05 14:45:05
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