Volume 15, Issue 2 (8-2013)                   yafte 2013, 15(2): 5-14 | Back to browse issues page

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Falahi E, Ghiasvand A, Ebrahimzadeh F, Khalkhali Rad A H. The determination of vitamin C, organic acids, phenolic compounds concentration of Red and Golden delicious apple grown in Lorestan province. yafte. 2013; 15 (2) :5-14
URL: http://yafte.lums.ac.ir/article-1-1261-en.html
Abstract:   (13368 Views)
Background: Apple is the most consumed fruit in many countries of the world and has very important role in individual's diet and health. The aim of this study was to determine the vitamin C (Ascorbic acid), organic acids (citric acid and malic acid), and phenolic compounds concentrations of apple cultivars grown in Khorramabad and Boroujerd cities. Materials and Methods: At this cross-sectional study, fruit samples were collected at the middle of 2008 (September). For this reason each tree calculated as trial unit and 5 apples were picked at the physiological puberty period. Phenolic compounds concentrations were measured by a new method using solid phase micro extraction of the upper atmosphere - supersonic (SPME GC / MS), Ascorbic acid concentrations were gained by 2, 6-dichlorophenol-indophenol method, and organic acids concentrations were calculated by Titration method. Results: Ascorbic acid concentrations in Red and Golden delicious apples were 9.49 and 9.09 mg and 9.29 mg in total per 100 grams. Malic acid concentrations in Red and Golden delicious apples were 0.26 and 0.27 and citric acid concentrations in Red and Golden delicious apples were 0.28 mg per 100 grams in both cultivars. Acidity of Red delicious was 4 and Golden delicious was about 3.7. The acidity of Red delicious was higher than the Golden one. α-farensene was the most phenolic compound in both cultivars. Conclusion: Finally, apple cultivars grown in Lorestan have 3 times more ascorbic acid than the amount which mentioned in Iranian Food Consumption Table. There were no significant relation about malic and citric acid in both cultivars.
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Type of Study: Research |
Received: 2013/07/27 | Accepted: 2013/09/4 | Published: 2013/09/4

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