2003 年 20 巻 p. 121-124
D-Amino acids were once believed to be unnatural compounds. However, recently, a variety of D-amino acids were found to be both free and bound forms not only in bacteria, but in yeast, plants, insects, and animals. The recent development in analytical technique enables us to determine D-amino acids content exactly in organisms and tissues. We here discribe the occurrence of D-amino acids in wine , sake, beer, tea, and coffee.