Rheological method for kinetics of drainage and disproportionation of soy proteins foams

被引:29
作者
Carp, DJ
Wagner, J
Bartholomai, GB
Pilosof, AMR
机构
[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ind, RA-1428 Buenos Aires, DF, Argentina
[2] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina
关键词
soy protein; foam; drainage; disproportionation; concentration;
D O I
10.1111/j.1365-2621.1997.tb12223.x
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The effect of soy protein (SP) concentration and denaturation on foaming properties was investigated. To measure drainage and disproportionation rates, a special method was based on measurements of time dependency of foam viscosity. Foam expansion reached a maximum at 3% protein concentration for denatured and 5% for native SP. Rates of drainage and disproportionation were greatly decreased by increasing protein concentration due to increased liquid viscosity (drainage) and to lowering of surface tension (disproportionation). Denaturation of SP increased foam expansion and decreased rate of drainage over the concentration range but lowered rate of disproportionation at > 4% protein.
引用
收藏
页码:1105 / 1109
页数:5
相关论文
共 33 条
[1]   FOAMING PROPERTIES OF PROTEINS AS AFFECTED BY CONCENTRATION [J].
BRITTEN, M ;
LAVOIE, L .
JOURNAL OF FOOD SCIENCE, 1992, 57 (05) :1219-&
[2]  
Carp D. J., 1997, Lebensmittel-Wissenschaft and Technologie, V30, P253, DOI 10.1006/fstl.1996.0173
[3]  
CHERRY JP, 1981, ACS SYM SER, P147
[4]  
COSTELL E, 1979, REV AGROQUIM TECNOL, V18, P4
[5]   DETERMINATION OF PROTEIN FOAM STABILITY FROM TIME-DEPENDENT PRESSURE MONITORING [J].
DICKINSON, E ;
IZGI, E ;
NELSON, PV .
FOOD HYDROCOLLOIDS, 1993, 7 (04) :307-318
[6]  
DICKINSON E, 1988, FOOD EMULSIONS FOAMS, P123
[7]   KINETICS OF LIQUID DRAINAGE FROM PROTEIN-STABILIZED FOAMS [J].
ELIZALDE, BE ;
GIACCAGLIA, D ;
PILOSOF, AMR ;
BARTHOLOMAI, GB .
JOURNAL OF FOOD SCIENCE, 1991, 56 (01) :24-&
[8]   FILM FORMING AND FOAMING BEHAVIOR OF FOOD PROTEINS [J].
GERMAN, JB ;
ONEILL, TE ;
KINSELLA, JE .
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1985, 62 (09) :1358-1366
[9]  
GLASSTONE S, 1979, TRATADO QUIMICA FISI, P443
[10]   PROTEINS AT LIQUID INTERFACES .3. MOLECULAR-STRUCTURES OF ADSORBED FILMS [J].
GRAHAM, DE ;
PHILLIPS, MC .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1979, 70 (03) :427-439