• Title/Summary/Keyword: Green Poweder tea

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Effect of Packing Methods on Green Powder Tea Quality during storage at Cold Temperature (가루차 저온 저장 중 포장방법별 품질변화)

  • Park Jang-Hyun;Bac Chang-Nam;Kim Yong-Ok;Choi Hyeong-Kuk
    • Food Science and Preservation
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    • v.12 no.1
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    • pp.1-7
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    • 2005
  • The effect of packing methods on the green powder tea were investigated by examining quality changes during cold stroage. Packing was performed with aluminum packs having an antioxidant and a wateiproofing agent in vacuum Alumiunum packing with treatment or not showed little changes till 2 months but after this period remarkable quality degradation were found in total nitrogen, total amino acids, tannin, caffeine, chlorophyll and fatty acids. The color changes of gieeness were -16.43 in one month and -10.11 in five months, respectively. Alumininum packing in vacuum was showed extention of storage period above one month.