Pengaruh Lama Fermentasi Tepung Kulit Pisang Menggunakan Saccharomyces Cerevisiae terhadap Konsentrasi VFA, N-NH3 dan pH In vitro

Savarina Amsikan, Grace Maranatha,Mariana Nenobais

Jurnal Peternakan Lahan Kering(2022)

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Abstract
This study aims to determine the effect of banana skin fermentation time using yeast Saccharomyces cerevisiae on concentration of VFA, N-NH3 and pH of rumen fluid in vitro. The method used in this study is an experimental method using a Completely Randomized Design (CRD) with 4 treatments and 3 replications. The treatments are P0 = banana skin flour without fermentation; P1 = Banana skin flour fermented for 7 days; P2 = Banana skin flour is fermented for 14 days; P3 = Banana skin flour fermented for 21 days. From the research conducted, the average value of VFA (mM) P0 = 87.98 ± 0.73; P1 = 130.96 ± 1.04; P2 = 131.74 ± 1.04; P3 = 133.03 ± 0.98; average NH3 (mM) P0 = 5.94 ± 0.67; P1 = 11.51 ± 0.56; P2 = 11.81 ± 1.33; P3 = 12.50 ± 1.20 while the average pH concentration P0 = 6.77 ± 0.06; P1 = 6.97 ± 0.06; P2 = 6.87 ± 0.15; P3 = 6.97 ± 0.06. Variance analysis (ANOVA) results showed that the treatment had a very significant effect (P <0.01) on VFA and N-NH3 concentration, and no significant effect (P> 0.05) on pH levels. The conclusion of this research is the fermentation of banana skin using yeast Saccharomycess cerevisiae with different length of time tends to increase the concentration of VFA and N-NH3. While the pH concentration increases during the fermentation period of 7 days and 21 days. Keywords: Banana skin, Long Fermentation, Saccharomycess cerevisiae, VFA, and N-NH3. Penelitian ini bertujuan untuk mengetahui pengaruh lama fermentasi tepung kulit pisang menggunakan khamir Saccharomyces cerevisiae terhadap konsentrasi VFA, N-NH3 dan pH cairan rumen secara in vitro. Metode yang digunakan dalam penelitian ini adalah metode eksperimen menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 ulangan. Perlakuan tersebut adalah P0 = Tepung kulit pisang tanpa fermentasi; P1 = Tepung kulit pisang difermentasi selama 7 hari; P2 = Tepung kulit pisang difermentasi selama 14 hari; P3 = Tepung kulit pisang difermentasi selama 21 hari. Data yang diperoleh dianalisis menggunakan Analisis Of Variance (ANOVA). Hasil penelitian menunjukkan bahwa terjadi peningkatan rataan konsentrasi VFA (mM) P0 = 87,98±0,73; P1 = 130,96±1,04; P2 = 131,74±1,04; P3 = 133,03±0,98; rataan konsentrasi N-NH3 (mM) P0 = 5,94±0,67; P1 = 11,51±0,56; P2 = 11,81±1,33; P3 = 12,50±1,20 sedangkan rataan konsentrasi pH P0 = 6,77±0,06; P1 = 6,97±0,06; P2 = 6,87±0,15; P3 = 6,97±0,06. Hasil analisis Ragam (ANOVA) menunjukkan bahwa perlakuan berpengaruh sangat nyata (P<0,01) terhadap konsentrasi VFA dan N-NH3, dan berpengaruh tidak nyata (P>0,05) terhadap konsentrasi pH. Kesimpulan dari penelitian ini, fermentasi tepung kulit pisang menggunakan khamir Saccharomycess cerevisiae dengan lama waktu yang berbeda cenderung meningkatkan konsentrasi VFA dan N-NH3. Sedangkan konsentrasi pH meningkat tapi masih dalam kisaran pH normal pada lama waktu fermentasi 7 hari dan 21 hari. Kata Kunci : Kulit pisang, Lama Fermentasi, Saccharomycess cerevisiae, VFA dan N- NH3.
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