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KMID : 0665420150300060778
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Korean Journal of Food Culture
2015 Volume.30 No. 6 p.778 ~ p.782
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Quality Characteristics and Antioxidant Activities of Organically and Conventionally Grown Carrot
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Lee Jin
Chang Min-Sun
Kim Gun-Hee
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Abstract
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Demand for organic agriculture has greatly increased in the past decade. The objective of this study was to evaluate
quality the characteristics and antioxidant activities of organically and conventionally grown carrots. Organically and
conventionally grown carrots were harvested in Jeju Island, Korea. Carrot extracts were investigated for their antioxidative
components (total phenolic and flavonoid contents) and their antioxidant activities (DPPH and ABTS radical scavenging
activities). The quality characteristics of carrots were estimated in terms of hardness, length, weight, moisture contents, and soluble solid content (SSC). Conventionally grown carrots showed higher values than organic carrot in terms of hardness (p<0.05), but there was no significant difference in moisture contents or SSC. In the case of antioxidant activity, organic carrots showed a higher value for DPPH radical scavenging activity (p<0.05). However, there was no significant difference in other antioxidants. Consequently, quality characteristics and antioxidant activities were different between organically and conventionally grown carrots.
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KEYWORD
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Carrot, organic, conventional, quality, antioxidant activity
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