CD Skripsi
Studi Penambahan Hidrolisat Protein Udang Rebon (Acetes Sp.) Pada Tepung Ubi Jalar Ungu (Ipomoea Batatas L. Poir) Modifikasi
ABSTRACT
Protein hydrolyzate is a product resulted from the breakdown of simple peptides
and amino acids through the hydrolysis process by enzymes, acids or alkalis. The
purpose of this study was to determine the effect of the addition of modified
purple sweet potato flour (Ipomoea batatas L. Poir) into the rebon shrimp protein
hydrolyzate (Acetes sp.). The research method was an experiment using a nonfactorial
Completely Randomized Design (CRD) to compose and conduct 4
treatments of varied flour composition added (0%, 5%, 10%, and 15%). The
parameters used to assess the quality of the modified flour produced were sensory
evaluation (appearance, consistence, aroma, and texture) and the proximate
composition. The results showed that the addition of shrimp protein hydrolyzate
had a significant effect on the purple sweet potato flour. The best treatment was
shown by the addition of 15% shrimp protein hydrolyzate, characterized by the
dark purple in appearance, less attractive, intact, less neat and dry texture, very
smooth, compact and produces a very fragrant aroma specific to rebon shrimp.
The best product was shown by the score of the consistence 6.1; the aroma 7.1;
and the texture 8.1; meanwhile the proximate composition was shown by the
content of water 6.31%; ash 4.02%; fat 0.84%; protein 16.54%, and carbohydrates
72.28%. The quality of the product was appropriate to Indonesian Quality
Standard required for sweet potato flour.
Key words: modified flour, protein hydrolyzate, sweet potato, rebon shrimp
1) The student in Marine and Fisheries Faculty at the Universitas Riau
2) The lecturer in Marine and Fisheries Faculty at the Universitas Riau
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