HYDROCARBONS IN SPINACH - 2 DISTINCTIVE CARBON RANGES OF ALIPHATIC HYDROCARBONS

被引:33
作者
KANEDA, T
机构
[1] Research Council of Alberta, Edmonton, Alta.
关键词
D O I
10.1016/S0031-9422(00)88091-7
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Hydrocarbons occurring in the external lipids and in the internal lipids of fresh spinach leaves were separately isolated by TLC and then were identified by gas-liquid chromatography in conjunction with Molecular Sieve 5A treatment and catalytic reduction. The external lipids contained 10% hydrocarbons which were normal paraffins: n-C27 to n-C33 showing a clear odd-number preference, and n-C31 predominating. On the other hand, the internal lipids contained only 0·1% hydrocarbons, principally hydrocarbons similar to those found in the external lipids, n-C31 predominating, but, in addition, a significant proportion of a new series of aliphatic paraffins, n-C16 to n-C28 not showing odd-number preference, was present. The presence of these two distinctive carbon ranges of aliphatic paraffins in spinach suggests that there are two different enzyme systems responsible for their synthesis. © 1970.
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页码:2039 / &
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