Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers
Online ISSN : 2185-789X
Print ISSN : 1344-4905
ISSN-L : 1344-4905
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Evaluation of Antioxidant Activity of Frill-lettuce Produced in Plant Factory and its Change during Cold Storage
Chiho MYOJINKen OHFUSASatoshi AWATATouichi OguraShinichi KINOSHITAAtsumasa YOSHIDAMasako KAWANISHI
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2014 Volume 31 Issue 3 Pages 367-373

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Abstract
In this study, antioxidant activity and deliciousness of frill-lettuce produced in plant factory of Osaka Prefecture University and their changes during cold storage were analyzed. Frill-lettuce produced in the plant factory, sunlight-lettuce and head lettuce were stored at 4 for 4 days. The time-dependent changes in DPPH radical scavenging activity, ORAC, total polyphenol and ascorbic acid content were analyzed. The lettuce produced in the plant factory showed significantly high antioxidant activity. DPPH radical scavenging activity and total polyphenol in the plant factory-produced lettuce significantly increased during 4 days storage (p<0.05,p<0.01), but ascorbic acid content significantly decreased during storage (p<0.01).
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© 2014 Japan Society of Refrigerating and Air Conditioning Engineers
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