Phenolic content and antioxidant activity of variety grapes from kurdistan Iraq

Q3 Agricultural and Biological Sciences
Potravinarstvo Pub Date : 2018-10-29 DOI:10.5219/979
D. S. Ismael
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引用次数: 0

Abstract

This study was carried out to determine the amount of total phenols, total flavonoid and antioxidant activity of 7 grape cultivars grown in Kurdistan rejoin of Iraq. The results showed that total phenols, flavonoid and antioxidant activity in the berries varied among the investigated cultivars. Total phenolic content, total flavonoid content ranged from 112.77 to 249.19 mg GAE/100g FW, 584.23 to 288.55 mg of rutin equivalents/100 g of (fresh sample) respectly and antioxidant capacity value ranged from 41.79 to 92.30%. Tahlik cultivar had the highest value of antioxidant capacity, flavonoid and total phenolic content. The lowest total phenolic, flavonoid content and the lowest value of antioxidant capacity were found in Abhar cultivar. Present results showed statistically significant correlations with the free radical scavenging activity. There was a very strong positive correlation (R2 =1, p <0.05) between the antioxidant activity and total phenolic content and a strong positive correlation (R2 =0.9735, p <0.05) between the antioxidant activity and total flavonoid content.
伊拉克库尔德斯坦葡萄酚类含量及抗氧化活性研究
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来源期刊
Potravinarstvo
Potravinarstvo Agricultural and Biological Sciences-Food Science
CiteScore
2.50
自引率
0.00%
发文量
57
审稿时长
12 weeks
期刊介绍: Potravinarstvo Slovak Journal of Food Sciences. Articles published in the journal are peer reviewed and freely available online. Journal covers areas including: food hygiene, food safety and quality, food microbiology, food laws and regulations, ingredients and ingredient functionality, nutraceuticals, product formulation, sensory science and sensory statistical analysis, process control and its contribution to food processing operations, food chemistry, food toxicology, food engineering, food technology and biotechnology, nourishment, public health, primary production of food, food adulteration, food economics and marketing, environmental effect on food and food machinery.
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