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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.20, no.5, 2007³â, pp.461-465
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( Changes in Antioxidant Activity, Total Phenolics and Vitamin C Content during Fruit ripening in Rubus occidentalis )
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In this study, changes in the overall antioxidant properties and chemical constituents including total phenolics and vitamin C of R. occidentalis fruit during ripening are studied. The antioxidant activity was measured by the free-radical scavenging activity(DPPH method) and reducing power(potassium ferricyanide method). Although, the weight and diameter of R. occidentalis fruit were increased with the progress of ripening, antioxidant activity and total phenolics were decrease during ripening. The highest free-radical scavenging activity(at $125{mu}g/m{ell}$) and reducing power(at $100{mu}g/m{ell}$) in fruit were 61.67% and 0.71, respectively. Total phenolic content and vitamin C content in fruit of 5 days after fruit set were $220.73{mu}g/g$ and $540.45{mu}g/g$, respectively. A linear correlation(r=0.9761) was shown between free-radical scavenging activity and total phenolic content.
 
Ű¿öµå
Rubus Occidentalis;Free radical scavenging activity;Reducing power;Total phenolic content;Vitamin C content;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.20, no.5, 2007³â, pp.461-465
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200704503655126)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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