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Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)

Betel is a native medicinal plant from central and eastern parts of Peninsular Malaysia. It is now an important commercial crop in India and Sri Lanka. There are various beneficial bioactivities discovered in this herb including anti-carcinogenic, anti-inflammatory, antioxidant, and antimicrobial pr...

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Main Authors:	Pin, Kar Yong, Ilicali, Coskan, Abdullah, Luqman Chuah, Choong, Thomas Shean Yaw, M. N., Muhammad Shahrul, Mat Ali, Rasadah, Law, Chung Lim
Formato:	Artigo
Idioma:	English
Publicado em:	Walter de Gruyter 2011
Acesso em linha:	http://psasir.upm.edu.my/id/eprint/23057/1/Modelling%20of%20freezing%20kinetics%20of%20extract%20of%20betel%20leaves%20%28Piper%20betle%20L.%29.pdf
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id	oai:psasir.upm.edu.my:23057
record_format	eprints
spelling	oai:psasir.upm.edu.my:23057 http://psasir.upm.edu.my/id/eprint/23057/ Modelling of freezing kinetics of extract of betel leaves (Piper betle L.) Pin, Kar Yong Ilicali, Coskan Abdullah, Luqman Chuah Choong, Thomas Shean Yaw M. N., Muhammad Shahrul Mat Ali, Rasadah Law, Chung Lim Betel is a native medicinal plant from central and eastern parts of Peninsular Malaysia. It is now an important commercial crop in India and Sri Lanka. There are various beneficial bioactivities discovered in this herb including anti-carcinogenic, anti-inflammatory, antioxidant, and antimicrobial properties. Freeze drying is one of the common methods used to dehydrate the herbal aqueous extract. This work studied the freezing process of aqueous extract of betel leaves (Piper betle L.). The effects of different freezing temperatures on the freezing kinetics were investigated. Freezing temperatures of -20, -25, -30°C were selected for the study. The freezing time which was taken as the time required for the temperature of the sample to reach the freezing temperature was determined from the kinetics data. The freezing point of betel leaves extract was determined as -4°C. The freezing process was described with numerical model. The predicted data showed good agreement with the experimental results. Walter de Gruyter 2011-01 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/23057/1/Modelling%20of%20freezing%20kinetics%20of%20extract%20of%20betel%20leaves%20%28Piper%20betle%20L.%29.pdf Pin, Kar Yong and Ilicali, Coskan and Abdullah, Luqman Chuah and Choong, Thomas Shean Yaw and M. N., Muhammad Shahrul and Mat Ali, Rasadah and Law, Chung Lim (2011) Modelling of freezing kinetics of extract of betel leaves (Piper betle L.). International Journal of Food Engineering, 7 (1). ISSN 2194-5764; ESSN: 1556-3758 http://www.degruyter.com/view/j/ijfe.2011.7.1/ijfe.2011.7.1.1692/ijfe.2011.7.1.1692.xml 10.2202/1556-3758.1692
institution	UPM IR
collection	UPM IR
language	English
description	Betel is a native medicinal plant from central and eastern parts of Peninsular Malaysia. It is now an important commercial crop in India and Sri Lanka. There are various beneficial bioactivities discovered in this herb including anti-carcinogenic, anti-inflammatory, antioxidant, and antimicrobial properties. Freeze drying is one of the common methods used to dehydrate the herbal aqueous extract. This work studied the freezing process of aqueous extract of betel leaves (Piper betle L.). The effects of different freezing temperatures on the freezing kinetics were investigated. Freezing temperatures of -20, -25, -30°C were selected for the study. The freezing time which was taken as the time required for the temperature of the sample to reach the freezing temperature was determined from the kinetics data. The freezing point of betel leaves extract was determined as -4°C. The freezing process was described with numerical model. The predicted data showed good agreement with the experimental results.
format	Article
author	Pin, Kar Yong Ilicali, Coskan Abdullah, Luqman Chuah Choong, Thomas Shean Yaw M. N., Muhammad Shahrul Mat Ali, Rasadah Law, Chung Lim
spellingShingle	Pin, Kar Yong Ilicali, Coskan Abdullah, Luqman Chuah Choong, Thomas Shean Yaw M. N., Muhammad Shahrul Mat Ali, Rasadah Law, Chung Lim Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)
author_facet	Pin, Kar Yong Ilicali, Coskan Abdullah, Luqman Chuah Choong, Thomas Shean Yaw M. N., Muhammad Shahrul Mat Ali, Rasadah Law, Chung Lim
author_sort	Pin, Kar Yong
title	Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)
title_short	Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)
title_full	Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)
title_fullStr	Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)
title_full_unstemmed	Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)
title_sort	modelling of freezing kinetics of extract of betel leaves (piper betle l.)
publisher	Walter de Gruyter
publishDate	2011
url	http://psasir.upm.edu.my/id/eprint/23057/1/Modelling%20of%20freezing%20kinetics%20of%20extract%20of%20betel%20leaves%20%28Piper%20betle%20L.%29.pdf
_version_	1819294628258512896
score	13.4562235

Modelling of freezing kinetics of extract of betel leaves (Piper betle L.)

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