Moisture sorption isotherms and isosteric heat of sorption of dry persimmon leaves

被引：39

作者：

Martinez-Las Heras, R. ^{[1
]}

Heredia, A. ^{[1
]}

Castello, M. L. ^{[1
]}

Andres, A. ^{[1
]}

机构：

[1] Univ Politecn Valencia, Inst Food Engn & Dev, Camino de Vera S-N,POB 46022, Valencia, Spain

来源：

FOOD BIOSCIENCE | 2014年 / 7卷

关键词：

Persimmon leaves; Equilibrium moisture content; Isosteric heat of sorption; Modeling; Sorption isotherms;

D O I：

10.1016/j.fbio.2014.06.002

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Moisture sorption isotherms of persimmon leaves were determined at 20, 30 and 40 degrees C using the standard gravimetric static method over a range of relative humidity from 0.06 to 0.9. The experimental sorption curves were fitted by seven equations: Henderson, Halsey, Smith, Oswin, BET, GAB and Caurie. The Halsey, Smith, CAB and BET models were found to be the most suitable for describing the sorption curves. The isosteric heat of sorption of water was determined from the equilibrium data at different temperatures. It decreased as moisture content increased and was found to be a polynomial function of moisture content. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：88 / 94

页数：7

共 34 条

[1]

AGUERRE RJ, 1989, LEBENSM WISS TECHNOL, V22, P192

[2] Water sorption isotherms of starch powders. Part 2: Thermodynamic characteristics [J].

Al-Muhtaseb, AH ;

McMinn, WAM ;

Magee, TRA .

JOURNAL OF FOOD ENGINEERING, 2004, 62 (02) :135-142

[3] Moisture sorption isotherms and isosteric heat of sorption of leaves and stems of lemon balm (Melissa officinalis L.) established by dynamic vapor sorption [J].

Argyropoulos, Dimitrios ;

Alex, Rainer ;

Kohler, Robert ;

Mueller, Joachim .

LWT-FOOD SCIENCE AND TECHNOLOGY, 2012, 47 (02) :324-331

[4] The fitting of various models to water sorption isotherms of tea stored in a chamber under controlled temperature and humidity [J].

Arslan, N ;

Togrul, H .

JOURNAL OF STORED PRODUCTS RESEARCH, 2006, 42 (02) :112-135

[5]

Association of Official Analytical Chemists - AOAC, 1990, OFF METH AN 930 04 M, V1, P949

[6] Thermodynamics of moisture sorption in melon seed and cassava [J].

Aviara, NA ;

Ajibola, OO .

JOURNAL OF FOOD ENGINEERING, 2002, 55 (02) :107-113

[7]

Bag S. K., 2009, INT FOOD RES J, V19, P561

[8] Moisture desorption-adsorption isotherms and isosteric heats of sorption of Tunisian olive leaves (Olea europaea L.) [J].

Bahloul, Neila ;

Boudhrioua, Nourhene ;

Kechaou, Nabil .

INDUSTRIAL CROPS AND PRODUCTS, 2008, 28 (02) :162-176

[9]

Basunia M. A., 2001, J STORED PRODUCTS RE, V42, P112

[10] Moisture sorption isotherms - Experimental and mathematical investigations of orange (Citrus sinensis) peel and leaves [J].

Bejar, Asma Kammoun ;

Mihoubi, Nourhene Boudhrioua ;

Kechaou, Nabil .

FOOD CHEMISTRY, 2012, 132 (04) :1728-1735

← 1 2 3 4 →