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- Title
PROXIMATE, MINERAL AND FUNCTIONAL PROPERTIES OF TIGER NUT FLOUR EXTRACTED FROM DIFFERENT TIGER NUTS CULTIVARS.
- Authors
G. C., Nina; A. F., Ogori; M., Ukeyima; Hleba, Lukas; Císarová, Miroslava; Okuskhanova, Eleonora; Vlasov, Stanislav; Batishcheva, Natalya; Goncharov, Andrey; Shariati, Mohammad Ali
- Abstract
Tiger nut flour extracted from (black, brown and yellow) cultivars using attrition milling process was investigated. Tiger nut flours labeled Ab, Bb and Cy for black, brown and yellow cultivars were produced respectively. Proximate composition, mineral elements contents, functional properties of the tiger nut flours were determined. There was significant (p<0.05) difference between the moisture, ash, crude fat, crude fiber, crude protein and carbohydrate content of the flour samples which ranged 4.77 - 4.99%, 1.95 - 2.05%, (5.62 - 8.16%, 19.03 - 22.06%, 5.62 - 6.23%, 58.94 - 62.94% respectively. The least and the most moisture content of tiger nut were related to brown color (4.47%) and black color (4.99%) respectively. Flour crude protein value from brown Bb colored tiger nut flour 6.23% was higher than the black 6.28%. There was also significance (p<0.05) differences in the bulk density, water and oil absorption capacity and foam capacity which ranged from (0.76 - 0.79) g/ml, (1.76 - 1.79) ml/g, (1.43 - 1.79) ml/g, (4.72 - 9.9.0) % among cultivars; However, flour from brown color had better swell ability index and water absorption capacity. The flours from black color sample indicated high values in oil absorption and foaming capacities. There were no significant (p<0.05) difference in the swelling index of the flour samples which ranged between 2.22 - 2.57 g/ml. The mineral content of the tiger nut flours differed (p<0.05) significantly. Flour from black color tiger nut had excellent mineralization, Zn (2.14), Ca (93.75), P (10.14), K (121.95), Na (105.6) and Fe (4.04). This work revealed that tiger nut flour is a potential source of food ingredient for supplementation, in particular, local cereal food for all age groups and could be an excellent source of raw material for our growing functional food industries.
- Subjects
NUTS; FLOUR; MINERAL properties; LOCAL foods; CEREALS as food; TIGERS; FUNCTIONAL foods; CULTIVARS
- Publication
Journal of Microbiology, Biotechnology & Food Sciences, 2019, Vol 9, Issue 3, p653
- ISSN
1338-5178
- Publication type
Article
- DOI
10.15414/jmbfs.2019/20.9.3.653-656