Articles by Umar Santoso (4)

Biological Activity of Native and Low Molecular Weight Chitosan obtained by Steam Explosion Process

Dina Sugiyanti, Purnama Darmadji, Umar Santoso, Yudi Pranoto, Chairil Anwar and Sri Anggrahini

Pakistan Journal of Biological Sciences 21 ( 9 ): 441 - 447 , 2018

In vitro Antioxidant Activity and Profile of Polyphenol Compounds Extracts and their Fractions on Cacao Beans

Rossi Indiarto, Yudi Pranoto, Umar Santoso and Supriyanto

Pakistan Journal of Biological Sciences 22 ( 1 ): 34 - 44 , 2019

Preparation and Characterization of Chitosan from Indonesian Tambak Lorok Shrimp Shell Waste and Crab Shell Waste

Dina Sugiyanti, Purnama Darmadji, Sri Anggrahini, Chairil Anwar and Umar Santoso

Pakistan Journal of Nutrition 17 ( 9 ): 446 - 453 , 2018

Evaluation of Physicochemical Properties and Antioxidant Activity of Polyphenol-Rich Cacao Bean Extract Through Water Blanching

Rossi Indiarto, Yudi Pranoto, Umar Santoso and Supriyanto

Pakistan Journal of Nutrition 18 ( 3 ): 278 - 287 , 2019

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