Organic compound changes 1. Sugar conversion sweeter 2. Organic acid conversion losing sour(a)taste 3. Tannin degradation losing astringent ( E)taste 4. Aromatic compound production sweet smelling 5. Pigment formation bright color 6. Pectin conversion softeningOrganic compound changes 1. Sugar conversion sweeter 2. Organic acid conversion losing sour (酸) taste 3. Tannin degradation losing astringent (涩)taste 4. Aromatic compound production sweet smelling 5. Pigment formation bright color 6. Pectin conversion softening