Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening

Chemical composition (titratable acidity, moisture content, crude fibre, colour, pH, soluble solids, sugars, organic acids) and flavour changes during ripening of jackfruit (Artocarpus heterophyllus L.) cultivar J3 were evaluated. Significant (p < 0.05) changes in titratable acidity and colour...

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Main Authors: Ong, B. T., Sheikh Abdul Hamid, Nazimah, Osman, Azizah, Quek, Siew Young, Voon, Yit Yang, Mat Hashim, Dzulkifly
Format: Article
Language:English
Published: Elsevier 2006
Online Access:http://psasir.upm.edu.my/id/eprint/6486/
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author Ong, B. T.
Sheikh Abdul Hamid, Nazimah
Osman, Azizah
Quek, Siew Young
Voon, Yit Yang
Mat Hashim, Dzulkifly
author_facet Ong, B. T.
Sheikh Abdul Hamid, Nazimah
Osman, Azizah
Quek, Siew Young
Voon, Yit Yang
Mat Hashim, Dzulkifly
author_sort Ong, B. T.
building UPM Institutional Repository
collection Online Access
description Chemical composition (titratable acidity, moisture content, crude fibre, colour, pH, soluble solids, sugars, organic acids) and flavour changes during ripening of jackfruit (Artocarpus heterophyllus L.) cultivar J3 were evaluated. Significant (p < 0.05) changes in titratable acidity and colour was obtained, but no significant changes were found in moisture and crude fiber contents during ripening. Total soluble solids and total sugars increased significantly (p < 0.05) throughout the ripening process. Total soluble solids at the top portion of the fruit were significantly (p < 0.05) higher than middle and bottom portions of the same fruit. A high content of malic acid was found in unripe fruit (day 1). In contrast, ripened fruit (days 5 and 6) contained a high amount of citric acid. Overall, the total amount of organic acids was found to decrease from the early to later stage of ripening. A total of 23 volatile compounds were tentatively identified by GC and GC–MS. The number of peaks was observed to increase throughout the ripening process. In this study, data obtained suggest that the ripening process of jackfruit was at its optimum at day 5 after harvest.
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institution Universiti Putra Malaysia
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spelling upm-64862010-07-28T04:29:52Z http://psasir.upm.edu.my/id/eprint/6486/ Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening Ong, B. T. Sheikh Abdul Hamid, Nazimah Osman, Azizah Quek, Siew Young Voon, Yit Yang Mat Hashim, Dzulkifly Chemical composition (titratable acidity, moisture content, crude fibre, colour, pH, soluble solids, sugars, organic acids) and flavour changes during ripening of jackfruit (Artocarpus heterophyllus L.) cultivar J3 were evaluated. Significant (p < 0.05) changes in titratable acidity and colour was obtained, but no significant changes were found in moisture and crude fiber contents during ripening. Total soluble solids and total sugars increased significantly (p < 0.05) throughout the ripening process. Total soluble solids at the top portion of the fruit were significantly (p < 0.05) higher than middle and bottom portions of the same fruit. A high content of malic acid was found in unripe fruit (day 1). In contrast, ripened fruit (days 5 and 6) contained a high amount of citric acid. Overall, the total amount of organic acids was found to decrease from the early to later stage of ripening. A total of 23 volatile compounds were tentatively identified by GC and GC–MS. The number of peaks was observed to increase throughout the ripening process. In this study, data obtained suggest that the ripening process of jackfruit was at its optimum at day 5 after harvest. Elsevier 2006 Article PeerReviewed Ong, B. T. and Sheikh Abdul Hamid, Nazimah and Osman, Azizah and Quek, Siew Young and Voon, Yit Yang and Mat Hashim, Dzulkifly (2006) Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening. Postharvest Biology and Technology, 40 (3). pp. 279-286. ISSN 0925-5214 http://dx.doi.org/10.1016/j.postharvbio.2006.01.015 10.1016/j.postharvbio.2006.01.015 English
spellingShingle Ong, B. T.
Sheikh Abdul Hamid, Nazimah
Osman, Azizah
Quek, Siew Young
Voon, Yit Yang
Mat Hashim, Dzulkifly
Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening
title Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening
title_full Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening
title_fullStr Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening
title_full_unstemmed Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening
title_short Chemical and flavour changes in jackfruit (Artocarpus heterophyllus Lam.) cultivar J3 during ripening
title_sort chemical and flavour changes in jackfruit (artocarpus heterophyllus lam.) cultivar j3 during ripening
url http://psasir.upm.edu.my/id/eprint/6486/
http://psasir.upm.edu.my/id/eprint/6486/
http://psasir.upm.edu.my/id/eprint/6486/