GC-MS Determination of Components in Aroma of High Salt Liquid Soy and Low Salt Solid Soy

Aroma of the sample was extracted with ethyl ether,and the extract was introduced into GC-MS instrument for separation and identification of its chemical components.The relative contents (in %) of the components were determined by the method of normalization.Forty and 48 components were identified respectively in high salt liquid soy and low salt solid soy.It was found that the main components of aroma of the 2 kinds of soy were heterocyclic compounds with somewhat different compositions and contents.