INVESTIGATION OF PHYSIOCHEMICAL AND STORAGE CONDITIONS ON THE PROPERTIES OF EXTRACTED TIGER NUT OIL FROM DIFFERENT CULTIVARS

Authors

  • G.C Nina
  • M. Ukeyima
  • A. F Ogori
  • Lukas Hleba
  • Miroslava Hlebova
  • Alexey Glinushkin
  • Alexey Laishevtcev
  • Anna Derkanosova
  • Igor Pigorev
  • Sergey Plygun
  • Mohammad Ali Shariati

DOI:

https://doi.org/10.15414/jmbfs.2020.9.5.988-993

Keywords:

Tiger Nut Oil, Physiochemical Properties, Fatty Acid Profile, Cultivars, Storage

Abstract

nut oil was extracted from (black, brown and yellow) cultivars using n-hexane. Physiochemical properties (refractive index, specific gravity, acid value, free fatty acid, peroxide, saponification and iodine values of the oil samples were determined. Storage studies on the tiger nut oils were done by monitoring changes in the thiobarbituric acid, peroxide value, free fatty acid and moisture content for twelve (12) weeks. The refractive index, specific gravity, acid value and free fatty acid value ranged between 1.46 ̵ 1.47, 0.89 ̵ 0.90, 0.4 ̵ 1.40mg/g, and 0.20 ̵ 0.75% respectively. The peroxide, saponification and iodine values ranged between 3.99 ̵ 4.43meq/kg, 183.25 ̵ 202.87mg/kOH/g and 29.69 ̵ 31.74g/l2/g respectively. The major fatty acids (FAs) of the tiger nut oil were oleic (77.71%), palmitic (16.17%), and stearic (5.08%) acids for the black cultivar, oleic (64.12%), palmitic (11.86%), linoleic (11.87%) and dihum ̵ g ̵ linolenic (1.71%) for the brown cultivar while the yellow cultivar had oleic (68.89%), linoleic (12.77%), palmitic (13.33%) and stearic (4.46%). During storage peroxide value, free fatty acid, moisture content and thiobarbituric acid of the oil were within the maximum limits as recommended by CODEX Alimentarius.

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Published

2021-03-11

How to Cite

Nina , G., Ukeyima, M., Ogori , A. F., Hleba, L. ., Hlebova, M., Glinushkin, A. ., Laishevtcev, A. ., Derkanosova, A. ., Pigorev , I., Plygun, S. ., & Shariati, M. A. . (2021). INVESTIGATION OF PHYSIOCHEMICAL AND STORAGE CONDITIONS ON THE PROPERTIES OF EXTRACTED TIGER NUT OIL FROM DIFFERENT CULTIVARS. Journal of Microbiology, Biotechnology and Food Sciences, 9(5), 988–993. https://doi.org/10.15414/jmbfs.2020.9.5.988-993

Issue

Section

Food Sciences

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