Studies on maturation of apples: effect of seasonaal variation on physico-chemical parameters and their correlations

Krishna Prakash, M. S. and Narasimham, P. and Dhanaraj, S. and Arvindaprasad, B. (1988) Studies on maturation of apples: effect of seasonaal variation on physico-chemical parameters and their correlations. Journal of Food Science and Technology, 25 (4). pp. 205-210. ISSN 0022-1155

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Abstract

Growth and maturation pattern of 4 cv. of Delicious apples grown in Himachal Pradesh were studied for seasonal variations during 4 consecutive yr. All the physicochemical maturity parameters employed showed clear changes during the maturation period and seasonal variations. Among them, the disappearance of starch with a starch pattern index of 4.0 and browning of seeds with a seed colour index of 6.0 together clearly defined optimum harvest maturity. Making use of them, limits optimum harvest maturity as affected by seasonal variations were determined for diam., wt., TSS, acidity and Magness-Taylor puncture values. All the maturity parameters considered showed highly significant linear correlation among one another. Apples harvested at optimum maturity showed good quality and storage life. The methodology will be useful as a quality control-measure of fresh produce and in the study of seasonal, varietal and regional differences in apple quality.

Item Type:	Article
Uncontrolled Keywords:	VARIETY-; apples, cv. & seasonal ripening of; SEASON-; RIPENING-; apples, harvesting maturity detn. of; HARVESTING-; APPLES-; cv. & seasonal ripening of apples; harvesting maturity detn. of apples
Subjects:	600 Technology > 08 Food technology > 06 Preservation and Storage 600 Technology > 08 Food technology > 24 Fruits > 01 Apple
Divisions:	Fruit and Vegetable Technology
Depositing User:	Food Sci. & Technol. Information Services
Date Deposited:	05 Jul 2008 09:57
Last Modified:	08 Dec 2016 13:00
URI:	http://ir.cftri.res.in/id/eprint/2114

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