Thesis
Investigation of Cricket Powder and Nutritional Yeast Application in Noodle as Protein-Source or High Protein Food
Noodles are a staple food in Asia. However, since it is made using wheat flour which is high in
carbohydrate, protein enrichment by adding other ingredients like cricket powder and nutritional
yeast can be done. This study aimed to increase the protein content in noodles by incorporating cricket
powder and nutritional yeast with different substitution levels (10, 15, and 20%) towards the
physicochemical properties (moisture, WAC, SI, CL, and color) and to be claimed as protein-source or
high protein based on BPOM, EU, and FDA. The noodle was made through mixing all ingredients,
sheeting, and a cutting process. The moisture content of noodles containing 10% nutritional yeast was
higher than other treatments and similar to the control group. Moreover, the trend showed that
noodles containing cricket powder exhibited similar WAC, SI, and CL to the control group, but lower
than commercial noodle and other treatments. However, the noodles containing nutritional yeast
showed lower WAC and SI but similar CL than commercial noodles, but higher than control noodles.
Higher substitution level of cricket powder and nutritional yeast decreased the L* value. However,
higher incorporation level of cricket powder increased a* and b* value. Meanwhile, in nutritional
yeast, it increased the a* value while decreasing b* value. Moreover, based on BPOM regulation,
CP20 and NY20 could be claimed as protein-source, but both could be claimed as high protein food
based on EU and FDA. Therefore, cricket powder and nutritional yeast incorporation affected
physicochemical properties, but proved to increase protein content in noodles.
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