Abstract
Young rats weighing about 80g fed a diet low in either tryptophan or methionine showed a decrease in serum protein level. Decreases of gamma globulin were observed in rats fed a low tryptophan diet and that of albumin in rats fed a low methionine diet. But it was not so clear as in the previous report on rats weighing about 45g.
A low level of liver protein was observed in rats fed a low tryptophan diet as same as a previous paper, whereas a tissue atrophy was not so significant in rats fed a low methionine diet as observed previously.
