9.2-methyl-2-butenal, 3-hydroxy-2-butanone. Furfural, 2-chloro-cyclopentanol, tetradecanoic acid ethyl ester, ethyl Linoleate, 5-hy-droxymethylfurfural, etc are the major flavor components in the Daniel Fenugreek concrete and furfural, 2-acetylfuran, 5-methyl furfural in the MAFCO Fenugreek concrete.