On-farm evaluation of the impact of drying and storage on the carotenoid content of orange-fleshed sweet potato (Ipomea batata Lam.)
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Bechoff, Aurélie, Tomlins, Keith, Dhuique-Mayer, Claudie, Dove, Richard and Westby, Andrew (2011) On-farm evaluation of the impact of drying and storage on the carotenoid content of orange-fleshed sweet potato (Ipomea batata Lam.). International Journal of Food Science & Technology, 46 (1). pp. 52-60. ISSN 1365-2621
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Abstract
Drying of orange-fleshed sweet potato was evaluated under African rural conditions. Three locally built dryers (open- air sun, tunnel and shade) were tested using Resisto and MGCL01 varieties in Mozambique. Total carotenoid losses were low in all dryers being 9.2% on average. After drying, sweet potato chips were stored in a traditional way (jute bags inside a mud house). Chip size (thin, thick chip or slice) had a significant effect on drying (P < 0.05) but not on storage and variety had an effect on both. Total carotenoid losses during storage were much higher being 83.7% on average, after 4 months, with main individual carotenoids fitting a first-order kinetics degradation. Globally, carotenoid losses on-farm or on-research station were of similar level.
| Item Type: | Article |
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| Additional Information: | [1] Article first published online: 17 DEC 2010. [2] ISSN 1365-2621 (Online). [3] The definitive version is available at www.blackwell-synergy.com. [4] The International Journal of Food Science & Technology (IJFST) is published for the Institute of Food Science and Technology (IFST). |
| Uncontrolled Keywords: | carotenoids, drying, Ipomea batata (L.) Lam, on-farm, on-research, storage |
| Subjects: | S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture |
| School / Department / Research Groups: | Natural Resources Institute Natural Resources Institute > Food & Markets |
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| Last Modified: | 09 Nov 2012 16:28 |
| URI: | http://gala.gre.ac.uk/id/eprint/8457 |
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