Respiratory behavior of mature light green Guava (Psidium guajava L.) under closed system
2013
Singh, Ranjeet (Central Institute of Agricultural Engineering, Bhopal (India). Agro-Produce Processing Division) | Giri, Saroj Kumar (Central Institute of Agricultural Engineering, Bhopal (India). Agro-Produce Processing Division) | Kulkarni, Sitaram D. (Central Institute of Agricultural Engineering, Bhopal (India). Agro-Produce Processing Division)
Respiratory behavior is an important aspect in designing and operating systems such as controlled and modified atmosphere storage that will extend the shelf life of the perishable produce. The respiration rate and respiratory quotient of fresh Guava (Psidium guajava L. cv. ‘Safeda’) fruit harvested at the mature light-green stage were determined under closed system at 5, 10, 15, 20, 25 and 35°C (ambient) temperatures. The respiration rate based on carbon dioxide production in aerobic condition decreased about 46% relative to air atmosphere. However the oxygen consumption sharply reduced to 31% relative to air atmosphere at 25°C temperature. The results suggest that, the respiration rate of Guava increased with temperature and decrease with storage time. Results of the study can be applied to design suitable packaging system for shelf life extension of Guava.
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