Gosun, Handy (2019) Enhancing Antioxidant Activity of Okara through Rhizopus Oryzae Based Solid State Fermentation. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Okara is a by-sproduct of soybean processing for soymilk which is either under-utilized or unutilized. One of method to increase okara utilization is by using solid state fermentation which could increase the antioxidants activity. In this study, okara were analyzed by solid state fermentation using Rhizopus oryzae that known to have high proteolytic activity. The research was aimed to study the most suitable condition of okara fermentation at different fermentation times (24, 36, 48, and 72h), R. oryzae concentrations (3.24x10-3, 4.74x10-3, and 6.32x10-3 gDCW/gOkara), and water activity (0.913, and 0.931). The most suitable conditions were chosen based on the highest radical scavenging activity. The results showed that the most suitable conditions were 72 h fermentation, 4.74x10-3 gDCW/gOkara initial concentration of R. oryzae, and 0.913 of water activity radical scavenging activity and degree of hydrolysis. Fermentation using R. oryzae solid state fermentation, the functional properties of okara could be enhanced.
Item Type: | Thesis (Bachelor) | ||||||||||||
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Additional Information: | SK 34-14 GOS e 2019; 31001000242645 | ||||||||||||
Uncontrolled Keywords: | Rhizopus Oryzae; antioxidant activity; solid state fermentation | ||||||||||||
Subjects: | T Technology > TP Chemical technology > TP368-456 Food processing and manufacture | ||||||||||||
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology |
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Depositing User: | Nicholas Sio Pradiva | ||||||||||||
Date Deposited: | 21 Oct 2021 08:19 | ||||||||||||
Last Modified: | 21 Oct 2021 08:19 | ||||||||||||
URI: | http://repository.uph.edu/id/eprint/42781 |
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