ABSTRACT
This study evaluates the influence of different concentrations of calcium on blood pressure of normotensive rats. Four groups of Wistar rats (A, B, C and D) had free access to modified isocaloric and isoproteic diets containing 0.2, 0.5, 2 and 4 gper cent calcium as calcium carbonate for a period of 30 days. Systolic and diastolic arterial blood pressures were monitored in awake rats by the indirect tail cuff method using a Physiograph equipped with transducers and preamplifers. Body weight and length and food intake were monitored. Under the conditions of the present experiment, the systolic and distolic arterial blood pressures of group D rats fed a diet containing 4 gper cent calcium were significantly (P<0.05) lower compared to rats of the other groups.
Subject(s)
Animals , Male , Rats , Blood Pressure/drug effects , Calcium Carbonate/pharmacology , Calcium, Dietary/pharmacology , Hypertension/etiology , Rats, WistarSubject(s)
Rats , Animals , Male , Amino Acids/pharmacology , Diet , Growth , Glycine max , Body Weight , Dietary Proteins/administration & dosageABSTRACT
Cotiledones de soja (Glycine max, L. Merril) da variedade Parana, foram processados por metodo hidrotermico, manipulando as condicoes de processamento, atraves de metodologia da superficie de resposta, para escolha de condicoes, que fornecam produto de melhor qualidade proteica. As variaveis de processamento utilizadas no delineamento experimental foram: tempo de hidratacao de 0 a 8h; tempo de escaldamento de 5 a 35 min. e tratamento quimico com bicarbonato de sodio (NaHCO3) de 0 a 0.5 g%. As farinhas de soja integrais obtidas foram submetidas a avaliacao da qualidade nutricional proteica atraves do teste de NPR (razao de proteina liquida) e aminoacidos sulfurados. O modelo matematico desenvolvido nao conseguiu distinguir entre os tratamento (p < 0.05) na regiao experimental estudada