Effect of storage temperatures, O2 concentrations and variety on respiration of mangoes
2011
Devanesan, J.N., Indian Inst. of Crop Processing Technology, Thanjavur (India) | Karuppiah, A., Indian Inst. of Crop Processing Technology, Thanjavur (India) | Kavitha Abirami, C.V., Indian Inst. of Crop Processing Technology, Thanjavur (India)
Two varieties of mangoes, Banganapalli and Thothapuri, were used in order to study the influence of storage temperatures, O2 concentrations and variety on the respiration rate. Experiments were conducted on a single fruit, weighing approximately 500 g and kept in separate glass bottles stored at 12, 20, 28, and 40 deg C. Respiration rates were calculated and presented as the rate of release of CO2 or the rate of consumption of O2. Respiration rates decreased with a decrease in temperature from 40 deg C to 12 deg C, and with a decrease in O2 concentration from 21% to 1% in the micro-environment. The respiration rate was faster in cv. Banganapalli than in cv. Thothapuri as indicated by the CO2 release rate. The rate of CO2 release was very slow in mangoes stored at 12 deg C in both the varieties and the rate decreased from 8.60 to 8.00 mL/kg/h in cv. Banganapalli variety and from 11.00 to 7.80 mL/kg/h in cv. Thothapuri variety. The respiration rates were faster at higher temperatures and remained low and stable at low temperatures. Using the respiration data, predictive models were developed for calculating the CO2 release and O2 consumption patterns.
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