Ecology, Environment and Conservation Paper

Vol. 22, April Suppl. Issue 2016; Page No.(311-315)

EFFECT OF PRE-COOLING ON STORAGE BEHAVIOUR OF PEACH FRUIT

S. K. Jawandha, H. Singh, Kirandeep Kaur and Anita Arora

Abstract

Low chill varieties of peach are grown commercially in Punjab. Among these varieties Shan-i-Punjab occupied the prime position. Fruits of this cultivar matures in the hot & dry period of the year that leads to heavy post harvest losses. Pre-cooling of the produce immediately after harvest effects the post harvest life and quality. An experiment comprised forced air cooling and hydro-cooling of peach fruits was conducted to maintain the post harvest health of fruits cv. Shan-i-Punjab. Pre-cooled fruits were packed in CFB boxes and placed at 0-1o C and 90-95% RH for 35 days. Stored fruits were analysed for various physico-chemical characteristics after 7, 14, 21, 28 and 35 days of storage. Results revealed that fruits pre-cooled through forced air cooling method registered minimum physiological loss in weight, no spoilage and maximum firmness, sensory quality rating & acidity at the end of storage. After 35 days of cold storage forced air precooled fruits were found in acceptable condition.

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