An evaluation was conducted from the view-point of the present status of essential amino acid intake of 51 college girls, and the results obtained were as follows:
(1) The intake of essential amino acids among days of the week during the winter season showed insignificant difference in a certain range.
(2) It is apperent that the girls leving in the dormitory ingest more essential amino acids than those who live at home, but when these amino acids were calculated on the basis of gram per one-gram of nitrogen, no considerable differences were recognized between the twogroups.
(3) The coefficiency of animal protein to lysine, threonine, isoleucine, leucine and sulfur-containing amino acids were found to be in direct proportion respectively expect in case of phenylalanine was in inverse proportion, and had no relation to tryptophan and valine.