Phytosterol content in American ginseng seed oil

被引:143
作者
Beveridge, THJ [1 ]
Li, TSC [1 ]
Drover, JCG [1 ]
机构
[1] Agr & Agri Food Canada, Pacific Agrifood Res Ctr, Summerland, BC V0H 1Z0, Canada
关键词
phytosterol; triterpene alcohol; Panax quinquefolium; ginseng seed soil; fatty acid methyl ester;
D O I
10.1021/jf010701v
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
North American ginseng (Panax quinquefolium L.) oil was saponifed and the unsaponifiable matter trimethylsilylated. The phytosterol fraction of hexane-extracted, air-dried seed was quantified and identified by GC and GC-MS. Phytosterol contents (milligrams per 100 g of oil) were as follows: squalene (514-569), oxidosqualene (8.97-48.2), campesterol (9.96-12.4), stigmasterol (93.2-113), clerosterol (1.91-2.14), beta-sitosterol (153-186), beta-amyrin (11.7-19.5), Delta(5)-avenasterol (12.4-20.5), Delta(5,24(25))-Stigmasterol (3.70-4.76), lupeol (14.4-15.2), Delta(7)-sitosterol (12.5-14.6), Delta(7)-avenasterol (4.11-8.09), 24-methylenecycloartanol (1.94-4.76), and citrostadienol (2.50-3.81). Seed stratification lowered the phytosterol levels. Oven-drying gave mixed results, and phytosterols varied slightly between the 1999 and 2000 harvests.
引用
收藏
页码:744 / 750
页数:7
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