Comparative fatty acid profiling of Indian seabuckthorn showed altitudinal gradient dependent species-specific variations

Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology
Bhavana SharmaRenu Deswal

Abstract

The present study provides the first comparative fatty acid profiling of the three Indian seabuckthorn species, collected from varying altitudes (2900-4300 masl) of Trans-Himalayas (Hippophae rhamnoides, H. tibetana) and Sikkim Himalayas (H. salicifolia) regions. Gas chromatography-mass spectrometry analysis showed variability in fatty acid composition of different seabuckthorn populations. Sikkim populations showed higher (1.28-1.6 folds) palmitic acid than Trans-Himalayan populations which possess higher linoleic (1.3-1.5 folds) and linolenic (1.6-1.8 folds) acids. Interestingly, a strong altitudinal gradient associated positive correlation was observed with the degree of unsaturation and PUFA content while negative correlation was observed with saturated fatty acids content of different seabuckthorn populations. H. salicifolia collected from Sikkim showed healthy ω-6:ω-3 ratio (closer to 1:1) of functional lipids exhibiting its better nutraceutical potential than other commonly used seed oils. Interestingly, H. tibetana from Losar showed higher (5.81) degree of unsaturation than Sikkim populations (3.5) suggesting its better stress tolerance trait. Chemo-taxonomic diversity analysis also formed two broad clusters of Trans-Hi...Continue Reading

References

Apr 20, 2001·Journal of Agricultural and Food Chemistry·B Yang, H P Kallio
Apr 6, 2002·Current Opinion in Microbiology·Toshio Sakamoto, Norio Murata
Oct 4, 2011·Journal of Ethnopharmacology·Geetha Suryakumar, Asheesh Gupta
May 21, 2017·Lipids in Health and Disease·Aleksandra Zielińska, Izabela Nowak
Aug 19, 2017·Plant Science : an International Journal of Experimental Plant Biology·Cristina Barrero-SiciliaLouise V Michaelson

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