thirteen fructose amino acids and 13 n-no-fructose amino acids ( -gly , -ala , -val , -leu , -ileu , -ser , -thr , -met , -asp , -pheala , -tyr , -his , -trp ) were prepared and investigated by high-resolution 1h-nuclear magnetic resonance ( nmr ) and 13c-nmr spectroscopy .
C0002520
amino acids
C0017890
gly