Solar drying of fruits and vegetables
2002
Ahmad, M. (Nuclear Inst. for Agriculture and Biology, Faisalabad (Pakistan)) | Hauser, J.C. | Heijnen, C. | Chaudry, M.A.
Studies on fabrication and standardization of a solar cabinet dryer solar drying of fruits and vegetables were carried out. Evaporation rate of water this dryer ranged from 0.091 to 0.106 g/cm2/h with an average of 0.100 plus minus during August. Small standard deviation clearly indicated uniform evaporation all parts of the cabinet. A temperature of 80 degree centigrade and 60 degree centigrade during summer and respectively, was achieved. The dryer costs Rs.2083.00. It is simple, durable hence can be used on remote isolated farms. Results of drying experiments clearly established that fruits (persimmon, apple) and vegetables (bittergourd, potato, onion, turnip) could be successfully dried. The dried produce acceptable to the consumers. Irradiation of dried vegetables at 10 kGy had no significant effect on its rehydration ratio and eating quality.
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