Abstract
1. The ratio of the unsaturated C16, C18 and C20 fatty acids to total fatty acids was higher in the crude mitochondrial fraction from chilling-stored sweet potatoes 4 days after transfer to 0°C than from healthy sweet potatoes; and, the difference became greater at periods of 7, 10, and 14 days. However, this difference was shown to be mainly due to the decrease during chilling storage in contamination with lauric acid, isopalmitic acid (presumable) and erucic acid (presumable) contained in the latex body fraction.2. There were no significant changes in the composition and amounts of fatty acids in the 0 ~ 700 × g fraction, the microsomal fraction, and the supernatant fraction, when sweet potatoes were given a chilling treatment.3. The ratio of C16, C18 and C20 unsaturated fatty acids to total fatty acids in the pure mitochondrial fraction from sweet potatoes was not changed significantly as a result of chilling storage. However, the ratio of lipid-phosphorus (lipid-P) to acid insoluble nitrogen (acid ins...
Published Version
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