DENSITIES, SHRINKAGE AND POROSITY OF SOME VEGETABLES DURING AIR-DRYING

被引:187
作者
ZOGZAS, NP
MAROULIS, ZB
MARINOSKOURIS, D
机构
[1] Department of Chemical Engineering, National Technical University Zografou Campus
关键词
D O I
10.1080/07373939408962191
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Bulk density, particle density, shrinkage and porosity were experimentally determined at various moisture content during air drying for apple, carrot and potato cubes. A simple mathematical model was used to predict the above properties versus material moisture content. Four parameters were incorporated in the model: enclosed water density; dry solids' density, bulk density of dry solids, and volume-shrinkage coefficient. The model was fitted to experimental data satisfactorily, and the parameters were estimated. The influence of varying drying conditions was also investigated.
引用
收藏
页码:1653 / 1666
页数:14
相关论文
共 20 条
[1]   SHRINKAGE IN FISH MUSCLE DURING DRYING [J].
BALABAN, M ;
PIGOTT, GM .
JOURNAL OF FOOD SCIENCE, 1986, 51 (02) :510-511
[2]  
BEVINGTON PR, 1969, DATA REDUCTION ERROR, pCH11
[3]   POROSITY AND PORE-SIZE DISTRIBUTION OF STARCH MATERIALS [J].
KARATHANOS, VT ;
SARAVACOS, GD .
JOURNAL OF FOOD ENGINEERING, 1993, 18 (03) :259-280
[4]  
KILPATRICK PW, 1955, ADV FOOD RES, V6, P360
[5]   TOTAL POROSITY AND OPEN-PORE POROSITY IN THE DRYING OF FRUITS [J].
LOZANO, JE ;
ROTSTEIN, E ;
URBICAIN, MJ .
JOURNAL OF FOOD SCIENCE, 1980, 45 (05) :1403-1407
[6]   SHRINKAGE, POROSITY AND BULK-DENSITY OF FOODSTUFFS AT CHANGING MOISTURE CONTENTS [J].
LOZANO, JE ;
ROTSTEIN, E ;
URBICAIN, MJ .
JOURNAL OF FOOD SCIENCE, 1983, 48 (05) :1497-&
[7]   EFFECT OF SUGARS ON THE WATER DIFFUSIVITY IN HYDRATED GRANULAR STARCHES [J].
MAROUSIS, SN ;
KARATHANOS, VT ;
SARAVACOS, GD .
JOURNAL OF FOOD SCIENCE, 1989, 54 (06) :1496-&
[8]   DENSITY AND POROSITY IN DRYING STARCH MATERIALS [J].
MAROUSIS, SN ;
SARAVACOS, GD .
JOURNAL OF FOOD SCIENCE, 1990, 55 (05) :1367-1372
[9]  
MAROUSIS SN, 1991, PRESERVATION, V115, P183
[10]   AN ALGORITHM FOR LEAST-SQUARES ESTIMATION OF NONLINEAR PARAMETERS [J].
MARQUARDT, DW .
JOURNAL OF THE SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS, 1963, 11 (02) :431-441