Journal
LEBENSMITTEL-WISSENSCHAFT UND-TECHNOLOGIE-FOOD SCIENCE AND TECHNOLOGY
Volume 36, Issue 2, Pages 257-262Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0023-6438(02)00227-X
Keywords
antioxidant capacity; minimal processing; modified-atmosphere packaging; Opuntia ficus indica Mill
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Cactus pear fruits (Opuntia ficus indica Mill, cv. 'Gialla') were manually peeled, then placed in plastic boxes sealed with a film with high permeability to gases, and kept at 4degreesC for 9 days. After 3, 6 and 9 days, chemical, physical, microbiological and sensorial parameters, total phenols, vitamin C and antioxidant capacity were determined. In-package gas concentrations were measured almost daily. Vitamin C and antioxidant capacity remained unchanged, while polyphenols decreased after 6 days in storage. Of the chemical parameters, only pH and acidity changed significantly, without however, adversely affecting sensorial properties. Microbiological growth was limited and fungal colonies were never visually detected. (C) 2003 Swiss Society of Food Science and Technology. Published by Elsevier Science Ltd. All rights reserved.
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