CD Skripsi
Biosintesis Asam Amino Dan Aktivitas Antioksidan Brevibacterium Sp. Inacc B46 Menggunakan Substrat Glukosa Dari Limbah Batang Kelapa Sawit Dengan Waktu Inkubasi Dan Konsentrasi Bakteri Yang Berbeda
ABSTRACT
Palm trunk contains cellulose that can be hydrolyzed into glucose as an
alternative substrate for bacterial growth namely, Brevibacterium sp. InaCC B46.
The purpose of this research was to determine the interaction between incubation
time and concentration of Brevibacterium sp. InaCC B46 in producing amino
acids and antioxidant activity. The research method used a factorial completely
randomized design consisting of two factors, namely incubation time (24 and 48
hours) and bacterial concentration (1, 3, and 5%) with three replications obtained
18 experimental units. The parameters observed in this study were growth of
lactic acid bacteria, amino acid levels (alanine, glutamic acid, glycine, and
tyrosine levels) the data obtained were analyzed using analysis of variance and
continued with the duncan multiple range test at 5% level. The antioxidant
activity observation data obtained were analyzed using descriptive quantitative
test. The results showed that the growth of lactic acid bacteria was significantly
affected by incubation time and bacterial concentration (P
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