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KMID : 0380620100420040407
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Korean Journal of Food Science and Technology
2010 Volume.42 No. 4 p.407 ~ p.413
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A Comparison of Quality and Volatile Components of Two Cucumber Cultivars Grown under Organic and Conventional Conditions
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Lee You-Seok
Seo Hye-Young
Kim Gwi-Duck
Moon Jae-Hak
Lee Young-Han
Choi Kyeong-Ju
Lee Youn
Park Jang-Hyun
Kang Jeong-Hwa
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Abstract
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This study was performed to compare the quality and volatile components of two cucumber (Cucumis sativus L.) cultivars (Cheongnakhab, Ipchunakhab)-grown under organic and conventional conditions. The levels of pH and soluble solids in the organic system were similar to those in the conventional system. The hardness of the pulp in the organic cucumbers was slightly higher than that in conventional cucumber regardless of cultivar. However, the contents of chlorophyll a, b, and total chlorophyll in organic cucumbers were significantly (p<0.05) higher than those in conventional cucumber. The major volatile compound of fresh cucumber was (E,Z)-2,6-nonadienal regardless of cultivar and farming system. When classified by the identified components’ functional group, the rate of aldehydes was the highest of all samples. The results indicate that the quality and volatile components in organic cucumbers were similar to those in conventional cucumbers except for hardness and chlorophyll contents regardless of cultivar.
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KEYWORD
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cucumber, organic agricultural products, flavor, chlorophyll, hardness
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