Effect of gamma irradiation on antioxidant properties of ber (Zizyphus mauritiana) fruit

Effect of gamma irradiation (0.25 to 1.0kGy) on antioxidant properties of ber fruit was studied. Antioxidant properties of ber fruits were determined by Scavenging DPPH radical activity, reducing power assay, super oxide anion radical activity, TBARS, total phenolic content and total flavonoid conte...

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Veröffentlicht in:Journal of food science and technology 2015-05, Vol.52 (5), p.3123-3128
Hauptverfasser: Kavitha, C., Kuna, Aparna, Supraja, T., Sagar, S. Blessy, Padmavathi, T. V. N., Prabhakar, Neeraja
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container_end_page 3128
container_issue 5
container_start_page 3123
container_title Journal of food science and technology
container_volume 52
creator Kavitha, C.
Kuna, Aparna
Supraja, T.
Sagar, S. Blessy
Padmavathi, T. V. N.
Prabhakar, Neeraja
description Effect of gamma irradiation (0.25 to 1.0kGy) on antioxidant properties of ber fruit was studied. Antioxidant properties of ber fruits were determined by Scavenging DPPH radical activity, reducing power assay, super oxide anion radical activity, TBARS, total phenolic content and total flavonoid content. Gamma irradiation treatment up to 1.0kGy elevated the Scavenging DPPH radical activity (9 %), super oxide anion radical activity (26 %) and total flavonoid content (208 %) compared to fresh ber fruit. On the other hand it brought down the reducing power activity (65 %) and total phenolic content (18 %) as compared to raw fruit. The TBARS activity statistically increased upon irradiation of ber fruit. It indicated that total antioxidant activity decreased as TBARS value increased. Therefore 0.25 to 0.5kGy is better dose to retain the natural antioxidant in fruit.
doi_str_mv 10.1007/s13197-014-1359-x
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subjects Acids
Analysis
Antioxidants
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Cultivars
Flavonoids
Food
Food irradiation
Food Science
Free radicals
Fruits
Horticulture
Irradiation
Nutrition
Original
Original Article
Phenols
Radiation
Senescence
Studies
title Effect of gamma irradiation on antioxidant properties of ber (Zizyphus mauritiana) fruit
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