Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage

The physico-chemical properties of spray-dried pitaya peel powders kept at accelerated (45 ± 2°C) and room temperature (28 ± 2°C) for 14 weeks and 6 months, respectively were evaluated. Changes in physico-chemical properties of the peel powder were used as indicators of stability, while changes of t...

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Main Authors: Ee, Shu Chee, Bakar, Jamilah, Syed Muhammad, Sharifah Kharidah, Mat Hashim, Dzulkifly, Mohd Adzahan, Noranizan
Format: Article
Language:English
Published: Faculty of Food Science and Technology, Universiti Putra Malaysia 2014
Online Access:http://psasir.upm.edu.my/id/eprint/40784/1/54%20IFRJ%2021%20%2803%29%202014%20Jamilah%20247.pdf
http://psasir.upm.edu.my/id/eprint/40784/
http://www.ifrj.upm.edu.my/21%20%2803%29%202014/54%20IFRJ%2021%20%2803%29%202014%20Jamilah%20247.pdf
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spelling my.upm.eprints.407842015-10-08T08:45:47Z http://psasir.upm.edu.my/id/eprint/40784/ Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage Ee, Shu Chee Bakar, Jamilah Syed Muhammad, Sharifah Kharidah Mat Hashim, Dzulkifly Mohd Adzahan, Noranizan The physico-chemical properties of spray-dried pitaya peel powders kept at accelerated (45 ± 2°C) and room temperature (28 ± 2°C) for 14 weeks and 6 months, respectively were evaluated. Changes in physico-chemical properties of the peel powder were used as indicators of stability, while changes of the betacyanin pigment retention was used to calculate the shelf-life of the powder. Storage temperatures significantly (p < 0.05) affected all the studied parameters and Hunter a value had the most significant change. The pigment retention of peel powder was approximately 87% at 45°C and 89% at room temperature storage. Degradation of betacyanin pigment in the powder followed the first order reaction kinetics with the half-life (t1/2) of approximately 76 weeks at 45°C and 38 months at 28°C. The spray-dried pitaya peel powder had a solubility of 87 to 92% and low in powder hygroscopicity. The final Aw of the powder did not exceed 0.6 for both storage temperatures. Faculty of Food Science and Technology, Universiti Putra Malaysia 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/40784/1/54%20IFRJ%2021%20%2803%29%202014%20Jamilah%20247.pdf Ee, Shu Chee and Bakar, Jamilah and Syed Muhammad, Sharifah Kharidah and Mat Hashim, Dzulkifly and Mohd Adzahan, Noranizan (2014) Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage. International Food Research Journal, 21 (3). pp. 1213-1218. ISSN 1985-4668; ESSN: 2231-7546 http://www.ifrj.upm.edu.my/21%20%2803%29%202014/54%20IFRJ%2021%20%2803%29%202014%20Jamilah%20247.pdf
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description The physico-chemical properties of spray-dried pitaya peel powders kept at accelerated (45 ± 2°C) and room temperature (28 ± 2°C) for 14 weeks and 6 months, respectively were evaluated. Changes in physico-chemical properties of the peel powder were used as indicators of stability, while changes of the betacyanin pigment retention was used to calculate the shelf-life of the powder. Storage temperatures significantly (p < 0.05) affected all the studied parameters and Hunter a value had the most significant change. The pigment retention of peel powder was approximately 87% at 45°C and 89% at room temperature storage. Degradation of betacyanin pigment in the powder followed the first order reaction kinetics with the half-life (t1/2) of approximately 76 weeks at 45°C and 38 months at 28°C. The spray-dried pitaya peel powder had a solubility of 87 to 92% and low in powder hygroscopicity. The final Aw of the powder did not exceed 0.6 for both storage temperatures.
format Article
author Ee, Shu Chee
Bakar, Jamilah
Syed Muhammad, Sharifah Kharidah
Mat Hashim, Dzulkifly
Mohd Adzahan, Noranizan
spellingShingle Ee, Shu Chee
Bakar, Jamilah
Syed Muhammad, Sharifah Kharidah
Mat Hashim, Dzulkifly
Mohd Adzahan, Noranizan
Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage
author_facet Ee, Shu Chee
Bakar, Jamilah
Syed Muhammad, Sharifah Kharidah
Mat Hashim, Dzulkifly
Mohd Adzahan, Noranizan
author_sort Ee, Shu Chee
title Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage
title_short Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage
title_full Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage
title_fullStr Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage
title_full_unstemmed Physico-chemical properties of spray-dried red pitaya (Hylocereus polyrhizus) peel powder during storage
title_sort physico-chemical properties of spray-dried red pitaya (hylocereus polyrhizus) peel powder during storage
publisher Faculty of Food Science and Technology, Universiti Putra Malaysia
publishDate 2014
url http://psasir.upm.edu.my/id/eprint/40784/1/54%20IFRJ%2021%20%2803%29%202014%20Jamilah%20247.pdf
http://psasir.upm.edu.my/id/eprint/40784/
http://www.ifrj.upm.edu.my/21%20%2803%29%202014/54%20IFRJ%2021%20%2803%29%202014%20Jamilah%20247.pdf
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score 13.211869