Donggueja(Malva verticillata) tea is healthy tea loosening constipation. but consumers do not like its flavor. The flavor components of Donggueja tea was extracted and by a simultaneous distillation and extraction method and concentrated. The concentrated extract was isolated and identified by GC and GC-MS. Major components in the flavor compound of Dongueja tea were camphor. α-menthol, 6-methyl-5-hepten-2-one, 4-vinyl-2-methoxy-phenol, β-ionone and fatty acids etc. Donggueja tea didn't contain sweet and nutty flavor. In ordeu to change for the better flavor of Donggueja tea, Okjook tea was added to it. Donggueja tea with Okjook tea had masking effect. The quantitative descriptive analysis(QDA) was carried out for the sensory evaluation. The score in the nutty and sweet flavor of Donggueja tea having 15% Sunokjook tea and 5% mint was higher than that of Donggueja tea without these, made with 100% Donggueja. In case of taste, it was same tendency as the score of flavor, though bitter taste decreased.
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