FOOD SCIENCE ›› 1993, Vol. 14 ›› Issue (4): 33-36.

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New Technology and New Product on Manufacture of Tea in Japan

 ZHAO  He-Tao   

  • Online:1993-04-15 Published:2011-12-29

Abstract: In Japan, new technology on manufacture of tea comprises four aspects: (1) Instant tea was made by freezing, reduced pressure and high frequency drying; (2) By using far-infrared heating withering and regulating pH value to improve the quality of Wulong tea and canned tea (3) By adding plant essential oil to improve aroma of tea. (4) By semi-permeabte membrane penetration to manufacture ice-tea and by vacuum freeze drying to produce green tea. At present, some new products developed include: health tea and beverages; black tea powder and instant black tea; calcium-enriched tea with high vitamins.

Key words:  , Tea Manufacture in Japan Technology and Process New Product;