期刊
JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
卷 47, 期 3, 页码 305-309出版社
SPRINGER INDIA
DOI: 10.1007/s13197-010-0048-7
关键词
Bell pepper; Chilli; Capsicum; Osmotic dehydration; Pretreatment; Quality retention
Pepper (chilli) (Capsicum annum) varieties, 'Tatase' and 'Rodo', (Capsicum frutescens) 'Sombo' and 'Bawa' were osmotically dehydrated in sucrose solutions of 40, 50 and 60o Brix and binary solutions of 50A degrees sucrose with 5, 10 and 15% salt at 20, 30 and 40A degrees C for 9 h. Samples osmosed at higher sugar concentrations (50A degrees and 60A degrees Brix) gave better results while improved solute gain were obtained using binary mixture with lower processing time, energy and cost. Effects of varietal differences on solid gain and water loss showed a descending in the order 'Sombo', 'Rodo', 'Bawa' and 'Tatase'. The colours were retained and stabilized after osmotic dehydration. Therefore, the solid gain and colour retention are indications of value addition.
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