Color Changes and Carotenoid Pigment Loss in Retentate from Star Ruby Grapefruit Juice under Refrigerated Conditions
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概要
- 論文の詳細を見る
Retentate, highly pigmented pulp, from red colored Star Ruby grapefruit juice was placed in glass test tubes and stored in a refrigerated locker at 4.5°C for 8 weeks. The effect of light exposure (Cool White Fluorescence, 4150 K) on visual color changes using CIE color parameters (L*, a*, b*, hue angle, and chroma), and predominant carotenoid pigment (lycopene, β-carotene) contents by HPLC were investigated during the storage period. The changes in color parameters in the retentate were small, causing a slight color shift. Gradual decline of CIE a* value indicated the apparent loss of red character in the samples. Total carotenoid concentration gradually declined by more than 25% for both samples after 8 weeks of storage, but no significant effect of light-exposure on pigment loss was observed. Analysis of lycopene and β-carotene by HPLC indicated slight differences in loss but were not statistically significant under this condition.
- 社団法人 日本食品科学工学会の論文
- 2002-08-01
著者
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Shim Soon-mi
Department Of Foods And Nutrition Duksung Women's University
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KIM Gun-Hee
Department of Foods and Nutrition, Duksung Women's University
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Kim Gun-hee
Department Of Foods And Nutrition Duksung Women's University
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Kim Gun-hee
Department Of Food And Nutrition Duksung Women's University
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Shim Soon-mi
Department Of Food Science And Technology Ewha Womans University
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- Color Changes and Carotenoid Pigment Loss in Retentate from Star Ruby Grapefruit Juice under Refrigerated Conditions
- Metabolite Profiling of Cheonggukjang, a Fermented Soybean Paste, Inoculated with Various Bacillus Strains during Fermentation
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