Analysis of Concentration of Tannins from Ethanol and Water Extract at the Pinang Sirih Seed (Areca Catechu L)

1 59 Analisis Kadar Tanin Ekstrak Air dan Ekstrak Etanol pada Biji Pinang Sirih (Areca Catechu. L) Analysis of Concentration of Tannins from Ethanol a...
Author:  Herman Sumadi

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