A total of 39 compounds were found in CVYLB, which corresponded
to 8 alcohols, 14 aldehydes, 5 ketones, 5 esters, 1 oxygenous heterocycle
compound, 1 alkane, 3 aromatic and cyclic hydrocarbons, 1 terpen and 1
carboxylic acid. Alcohols and aldehydes showed the highest total peak-
area ratio, which varied from 23.9 to 45.4% and from 31.0 to 53.6%,