Fermentation of wheat bran with baker’s yeast enhanced protein extraction and functionality
(Katina et al., 2006; Katina et al., 2012). There is paucity of information in literature on optimization of the fermentation conditions enhanced by the use of baker’s yeast for extraction of protein concentrate. In this study, the use of response surface is important since the efficiency of protein extraction of fermented rice bran may be affected by fermentation temperature, time and yeast concentration, and their effects may be independent or interactive. According to Rustom et al. (1991), RSM is employed when many factors and interactions affect desired response. Also, RSM provides relevant information in the shortest time with the least number of experiments (Firatligil- Durmus and Evranuz, 2010) and generates a mathematical model which describes the chemical or biochemical process (Bas and Boyaci, 2007). The study investigated the production of rice bran protein by fermentation of rice bran using baker’s
yeast under optimized conditions.