por Fundación Bengoa | Dic 12, 2005 | Artículos, libros, monografías y colaboraciones, Werner Jaffe
Werner G. Jaffé If one considers the varied biological activities of many proteins and peptides such as enzymes, hormones, transport proteins, and antigens, it is not surprising that some members of this large group of substances should exhibit toxic actions in...
por Fundación Bengoa | Dic 12, 2005 | Artículos, libros, monografías y colaboraciones, Werner Jaffe
Seidl, Dinah S Food Poisoning, Handbook of Natural Toxins, Vol. 7: 264-290. Ed. Tu, Anthony T. Marcel Dekker, Inc., Nueva York, EE.UU., 1992. The presence of heat-labile toxic factors in plant products, mainly legume seeds, makes them unsuitable for human consumption...
por Fundación Bengoa | Dic 12, 2005 | Artículos, libros, monografías y colaboraciones, Werner Jaffe
Méndez Castellano, Hernán y Tovar E., Guillermo Trace Element – Analytical. Chemistry in Medicine and Biology, Vol. 3: 29-46. Berlín, Alemania, 1984. Selenium takes a special place among the trace elements. Toxic action is known as well as deficiency syndroms...
por Fundación Bengoa | Dic 9, 2005 | Artículos, libros, monografías y colaboraciones, Werner Jaffe
In feeding experiments with dietscontaining raw or autoclaved kidney-beans (Phaseolus vulgaris) we found that they are toxic for rats, producing rapid loss of weight and even death after a short time. As KLOSE and coworkers reported recently on a fraction from Lima...
por Fundación Bengoa | Dic 9, 2005 | Artículos, libros, monografías y colaboraciones, Werner Jaffe
WERNER G. JAFFÉ Instituto Nacional de Nutrición, Caracas, Venezuela The existence of a serious nutritional problem in Venezuela, especially among the children, was recognized several years ago. A group of pediatricians undertook one of the earliest studies of this...
por Fundación Bengoa | Dic 9, 2005 | Artículos, libros, monografías y colaboraciones, Werner Jaffe
DINAH S. SEIDL AND WERNER G. JAFFE Dept. de Bioquimica, Fac. de Ciencias, Univ. Central, Caracas, Venezuela, (29-III-1967 Hurain, the proteolytic enzyme of the sap of the jabillo tree (Hura crePitans), has been reported to be activated by Fe++ and inhibited by Ni++,...
