Effect of UV-C irradiation on chlorophyll degradation and quality changes in Chinese kale (Brassica oleracea var. alboglabra)
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Publication Details
Author list: Burana C., Srilaong V.
Publisher: International Society for Horticultural Science (ISHS)
Publication year: 2010
Volume number: 875
Start page: 119
End page: 126
Number of pages: 8
ISBN: 9789066055636
ISSN: 0567-7572
eISSN: 2406-6168
Languages: English-Great Britain (EN-GB)
Abstract
Chinese kale is widely consume in Thailand due to it contains a lot of nutrition. However, it has a short storage life especially at room temperature due to yellowing of the leaf. In this study, the UV-C irradiation at 1.8, 3.6, 5.4 and 7.2 kJทm-2 was introduced to observe the quality of Chinese kale (Brassica oleracea var. alboglabra) during storage at 20ฐC. The irradiation dose of 3.6 and 5.4 kJทm-2 delayed chlorophyll degradation and maintained the highest total chlorophyll, chlorophyll a and chlorophyll b contents. It also delayed the reduction of hue angle and retarded the activity of chlorophyll degrading enzymes. Moreover, the UV-C irradiation reduced the ethylene production rate which demonstrated by decreasing of ACC oxidase activity. Furthermore, weight loss and respiration rate were also suppressed by UV-C treatment. The results suggest that UV-C irradiation could be a useful non-chemical treatment to delay chlorophyll degradation and maintain the quality in Chinese kale.
Keywords
Chinese kale, UV-C irradiation
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