Fatty Acid Composition of Lipids in Sea Buckthorn (Hippophaë rhamnoides L.) Berries of Different Origins
- 10 March 2001
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Agricultural and Food Chemistry
- Vol. 49 (4), 1939-1947
- https://doi.org/10.1021/jf001059s
Abstract
The oil content and fatty acid composition of berries from two subspecies of sea buckthorn (Hippophaë rhamnoides L.) were investigated. The berries of subsp. rhamnoides contained a higher proportion of oil in seeds (11.3% vs 7.3%, p < 0.01), berries (3.5% vs 2.1%, p < 0.001), and seedless parts (2.8% vs 1.7%, p < 0.01) than the berries of subsp. sinensis. Linoleic (18:2n-6) and α-linolenic acids (18:3n-3) comprised about 70% of seed oil fatty acids. Palmitoleic acid (16:1n-7), practically absent in the seed oil, comprised 12.1−39.0% of oil in pulp/peel and 8.9−31.0% of that in the whole berries. More linoleic acid (40.9% vs 39.1%) and less α-linolenic acid (26.6% vs 30.6%) was found in the seed oil of subsp. sinensis than in the seed oil of subsp. rhamnoides (p < 0.05). The proportion of palmitoleic acid was higher in the oil of berries of subsp. rhamnoides than the berries of subsp. sinensis (26.0% vs 21.5%, 0.05 < p < 0.1), but was vice versa with α-linolenic acid (8.8% vs 11.2%, 0.05 < p < 0.1). The proportions of α-linolenic acid correlated inversely with oleic and linoleic acids in the seed oil. In the oil of whole berries, the proportion of palmitoleic acid correlated negatively with the proportions of linoleic and α-linolenic acids. Keywords: Sea buckthorn; Hippophaë rhamnoides L.; subspecies; origins; oil content; fatty acid composition; triacylglycerols; glycerophospholipidsKeywords
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