Development of Instant Microbial Starter for Production of Fermented Cassava Flour: Effect of Vacuum Drying Temperature, Carrier Media, and Storage Temperature

Journal of Engineering and Technological Sciences

Made Tri Ari Penia Kresnowati¹  Yazid Bindar² 

[1] Department of Chemical Engineering, Faculty of Industrial Technology, Insitut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132,;Department of Food Engineering, Faculty of Industrial Technology, Insitut Teknologi Bandung, Jalan Raya Jatinangor, Sumedang 45363,

关键词: Carrier;    cassava;    fercaf;    fermentation;    microorganism;    starter;    storage;    vacuum drying;   

DOI  :  10.5614/j.eng.technol.sci.2018.50.6.6

学科分类：工程和技术（综合）

来源: Institute for Research and Community Services ITB

【 摘 要 】

Cassava is an important crop for tropical countries such as Nigeria, Brazil, Thailand, and Indonesia. The potential utilization of cassava in the food industry can be enhanced by processing cassava into fermented cassava flour ( fercaf ), which has been shown to have a neutral color and aroma as well as low cyanogenic content. The use of specific microbial starter in the cassava chip fermentation for fercaf production will direct the fermentation process, maintaining a high quality of the produced flour. Thereby, the availability of an easy-to-use microbial starter is important for the production of fermented cassava flour. The aim of this study was to evaluate vacuum drying methods in the preparation of microbial starter for fermented cassava flour production. In particular, the effects of carrier media, drying and storage temperature on cell viability in dry starter were tested. The results showed that different methods should be applied to different microbial species.Bacillus subtilisandAspergillus Oryzashould be prepared using fercaf as the carrier media at a drying temperature of 55 °C, whereasLactobacillus plantarumstarter should be prepared using skim milk as the carrier media at a drying temperatur of 40°C. Apart fromB. subtilis , the starters should be stored in a refrigerator.

【 授权许可】

CC BY