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RESEARCH PAPER
Year : 2015  |  Volume : 4  |  Issue : 1  |  Page : 91-100

Fatty acid composition of fruit pulp and seed oils of himalayan seabuckthorn (Hippophae L)


1 Department of Biology and Environmental Sciences, CSK Himachal Pradesh Agricultural University, Palampur, India
2 Schulich School of Medicine & Dentisity, University of Western Ontario, London, Canada

Correspondence Address:
Virendra Singh
Department of Biology and Environmental Sciences, CSK Himachal Pradesh Agricultural University, Palampur
India
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Source of Support: None, Conflict of Interest: None


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Fatty acid composition of oils of fruit pulp and seeds was studied in 2 elite genotype of Hippophae rhamnoides ssp. turkestanica from “Madhagon” a low altitude (2625 m asl) place, and “Shego”, a higher altitude place (3760 m asl), 1 ecotype of H. salicifolia from medium altitude place “Tinu” (3200 m asl) and an exotic “HI-I” (H. rhamnoides ssp. mongolica), all high yielding selections or cultivars, raised at High Land Agricultural Research and Extension Center of CSK Himachal Pradesh Agricultural University, located at Kukumseri (2730 m asl) in Lahaul valley of district Lahaul-Spiti, a dry temperate region of Himalayas. In pulp oils of all ecotypes, unsaturated fatty acids constituted the higher proportion (60.7-52.8%) than the saturated fatty acids (29.9-10.6%) of the total oil. In the seed oils, the unsaturated fatty acids also constitute higher proportion (86.5-51.7%) except H. salicifolia. In pulp oils, the major fatty acids are palmitoleic acid (46.4-37.1%), palmitic acid (28.1-9.1%), linoleic acid (15.0-6.4%) and oleic acid (6.9-4.0%). Pulp oil of H. salicifolia is richest source of Linoleic acid (15.0% of total oil) and a-linolenic acid (1.3%), also another very important unsaturated fatty acid. However, palmitoleic acid was a major dominating unsaturated fatty acid (46.4-37.1%), being maximum in the pulp oil of “Madhagon” ecotype (46.4%), whereas palmitic acid was a major saturated fatty acid, almost equal in the pulp oils of all ecotypes (28.1-26.4%), except “Shego” ecotype (9.1%). In seed oils, major FAs are linoleic acid (39.8-3.7%), palmitic acid (29.3-8.7%), Oleic acid (27.4-14.8%) and a-linolenic acid (25.4-3.6%), with exception in H. salicifolia. Seed oil of “Shego” ecotype from high altitude was richest source of linoleic acid (39.8%) and a-Linolenic acid (25.4%), which offers the best ratio of omega 6 and omega 3 followed by exotic “HI-1”. The pulp oil of “Tinu” ecotype is a useful source for the Linoleic acid (15.0% of total oil) and a-linolenic acid (1.3%), whereas pulp oils of all ecotypes, specially “Madhagon” ecotype are rich source of Palmitoleic acid. The seed oils of H. rhamnoides ssp. turkestanica could be considered excellent sources of PUFAs due to their high contents of linoleic and a-linolenic acids, which in human body are precursors of other long-chain n-3 and n-6 fatty acids.


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