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All Journal Jurnal Teknologi Hasil Peternakan
Muhamad Raihan Aufa
Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology Veterinary

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Pengaruh Penambahan Konsentrasi Jus Jambu Biji Merah (Psidium guajava L.) terhadap Kadar Asam Laktat, Vitamin C, dan Akseptabilitas Set Yogurt Muhamad Raihan Aufa; Wendry Setiyadi Putranto; Roostita Lobo Balia
Jurnal Teknologi Hasil Peternakan Vol 1, No 1 (2020): Maret
Publisher : Unpad Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (203.71 KB) | DOI: 10.24198/jthp.v1i1.23859

Abstract

Red guava has high level of vitamin C, so it can be used as a source of vitamin C, also has a distinctive color. This study aims to determine the effect with different concentration of guava juice on lactic acid levels, vitamin C and acceptability of cow milk yogurt set. The experimental method used Completely Randomized Design (CRD) with four treatments increasing the concentration of red guava juice (0%, 5%, 10%, and 15%) and each treatment repeated five times. The results showed that the addition of the concentration of red guava juice by 0% to 15%, the lactic acid levels of different cow’s milk set yogurts showed a negative linear regression pattern with the regression  y = -0,03724x + 1,10465 R² = 0,99699, and increasing vitamin C levels following a positive linear regression pattern y = 1,2932x – 0,324 R² = 0,9452. The concentration of red guava juice 15% produced the best cow’s milk set yogurt with 0,55% lactic acid levels and 20,69 mg/100 g vitamin C levels produces and produced the most preferred acceptability value with hedonic scale likes and numeric scales 2,20.
Co-Authors Roostita L Balia Wendry Setiyadi Putranto