Preliminary Study on Effects of The Technological Parameters to Polyphenols Extraction Yield from Tea Leaves (Camellia snensis(L) O. Kuntze)

Received: 02-03-2017

Accepted: 27-04-2017

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Issue: Vol. 15 No. 2 (2017)

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KỸ THUẬT VÀ CÔNG NGHỆ

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Khoa, G., Thuat, B., & Manh, N. (2024). Preliminary Study on Effects of The Technological Parameters to Polyphenols Extraction Yield from Tea Leaves (Camellia snensis(L) O. Kuntze). Vietnam Journal of Agricultural Sciences, 15(2), 205–213. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/353

Preliminary Study on Effects of The Technological Parameters to Polyphenols Extraction Yield from Tea Leaves (Camellia snensis(L) O. Kuntze)

Giang Trung Khoa (*) 1 , Bui Quang Thuat 2 , Ngo Xuan Manh 1

  • 1 Khoa Công nghệ thực phẩm, Học viện Nông nghiệp Việt Nam
  • 2 Viện Công nghiệp thực phẩm

    • Keywords

    Polyphenol, extraction efficiency, tea, Camellia sinensis (L)

    Abstract


    In this study, the technological parameters for extraction of polyphenols from tea have been examined. The results indicated that the suitable parameters of this process were determined as follows: water content of the material of 5%, material size of 0.5 - 1.0 mm, 50% (v/v) acetone solvent, ration of material/solvent of 1:12, extraction time of 2 h, extraction temperature of 450C and three times of extraction. In addition, with these parameters, the polyphenols extraction yield was 84.55%.

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