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Changes in sugars, pectin and antioxidants of guava (Psidium guajava) fruits during fruit growth and maturity

Indian Agricultural Research Journals

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Title Changes in sugars, pectin and antioxidants of guava (Psidium guajava) fruits during fruit growth and maturity
 
Creator PATEL, R K
MAITI, C S
DEKA, BIDYUT C
DESHMUKH, N A
NATH, A
 
Subject Antioxidants, Fruit development, Guava, Maturity, Pectin, Sugars
 
Description Biochemical changes during fruit growth, development and maturity of eleven genotypes of guava (Psidium guajava L.) fruit were studied at 30, 60, 90, 105, 120 and 127 days after fruit set (DAFS). Total sugars content showed a continuous increase from initial stages of fruit development till ripening in all the genotypes. Total sugar was increased rapidly at later stage of fruit development. The ascorbic acid content was linearly increased until fruit ripening (127 DAFS) in all the genotypes except RCG 1, RCG 2 and RCG 3, which showed the increasing trend up to 120 days and thereafter slightly decreased on 127 DAFS. Ascorbic acid content was low at initial development stages and increased with advancement of fruit maturity and ripening. The pectin content of fruits increased up to 105 days after fruit set among most of the genotypes except RCG 1, RCG 2 and RCG 3 which showed up to 90 days only thereafter it declined rapidly. However, phenol content in guava fruits was gradually increased up to 90 days in RCG 1, RCG 2 and RCG 3 and up to 105 days in remaining genotypes after which a rapid decline was observed up to 127 days after fruit set. Based on the present findings, genotypes RCG 1, RCG 2 and RCG 3 may be harvested after 105 days of fruit set while rest of the genotypes after 120 days of the fruit set to get the quality fruits.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-10-04
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/33657
 
Source The Indian Journal of Agricultural Sciences; Vol 83, No 10 (2013)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/33657/14930
 
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