Per this report, the USDA does not define the sulfur content of foods because sulfur itself is a component of several vitamins and amino acids such as methionine and cystine — both of which are present in the yolk and
Per this report, the USDA does not define the sulfur content of foods because sulfur itself is a component of several vitamins and amino acids such as methionine and cystine — both of which are present in the yolk and