期刊
FOOD CHEMISTRY
卷 115, 期 2, 页码 529-533出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2008.12.049
关键词
Almond (A. communis L.); Hull; Shell; Phenolic content; Antioxidant; Antiradical
To compare the antioxidant and antiradical activity of Amygdalus communis L. hulls and shells phenolic extracts in different genotypes, 18 A. communis L genotypes were selected from those in Qooshchi Qalgachi, Qovarchin Qale, Najaf Abad, Jamal Abad, Kahriz, Sfahlan of West and East Azerbayjan provinces of Iran in 2007. The fruits of these almonds were collected, their hulls and shells dried, ground and then methanolic extracts prepared from these hulls and shells. Total phenolic content was determined using the Folin-Ciocalteu (F-C) method. The extracts' reducing power and scavenging capacity for radical nitrite, hydrogen peroxide and superoxide were evaluated. Significant differences were found in phenolic content of hulls and shells among various genotypes, radical scavenging capacity percentage varied significantly among genotypes and their hulls and shells. S-3-7 genotype with the highest phenolic content and antioxidant activity in its hulls represents a valuable genotype for procuring antioxidant phenolic compounds. (C) 2008 Elsevier Ltd. All rights reserved.
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