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Effect of heat treatment (100°C, 15 min) on antioxidant activity of GSE and PSE in linoleic acid model system at 500 mg/L. Bars with different letters are significantly different (p < 0.05). 

Effect of heat treatment (100°C, 15 min) on antioxidant activity of GSE and PSE in linoleic acid model system at 500 mg/L. Bars with different letters are significantly different (p < 0.05). 

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The present study investigates antioxidant properties and storage stability of grape seed extract (GSE) and papaya seed extract (PSE). The effect of heat showed significant decrease whereas wide range of pH showed increase in its antioxidant activity. The storage days study indicated that, there was slight change in antioxidant activity (AOA) of GS...

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... ©2017 Sofi et al. In the present study effect of heat treatment (100°C, 15 min) on the antioxidant activity of GSE and PSE were determined in linoleic acid model system and the results are presented in Figure 4. The antioxidant activity of GSE and PSE without any heat treatment was found to be 67.67 and 46.43% respectively at 500 mg/L. ...