Superfine green tea powder (SGTP) was premixed with organic acids (ascorbic acid, citric acid) and
hydrocolloids (sodium alginate, curdlan), and then mixed with microwave-treated wheat flour to produce
green tea fresh noodles (GTFN). Darken-retardant effects of organic acids, hydrocolloids and microwave
treatments on GTFN were evaluated, as well as pH, polyphenol oxidase activity,