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All Journal Journal of the Indonesian Tropical Animal Agriculture MILANG Journal of Mathematics and Its Applications
SUSANTI, S.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Mathematics

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The effects of dextrin concentration as filler on physical, chemical, and microbiology properties of powdered goat milk kefir Rizqiati, H.; Nurwantoro, N.; Susanti, S.; Prayoga, M. I. Y.
Journal of the Indonesian Tropical Animal Agriculture Vol 46, No 2 (2021): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.46.2.145-153

Abstract

The purpose of the research was to study the effects of dextrin powder with a different concentration on the physical, chemical, and microbiology properties of the product. The research was conducted using a Completely Randomized Design (CRD) with five treatments and four replications, namely the addition of dextrin filler with a concentration of 0% (T0), 2,5% (T1), 5% (T2), 7,5% (T3), and 10% (T4) (w/v). The quality of powdered goat milk kefir that is analyzed are physical, chemical, and microbiology properties. The data were analyzed using SPSS 26.0 application using Analysis of Variance (ANOVA) followed by Duncan Multiple Range Test (DMRT). The test results show a significant difference in dextrin concentration (P<0.05) on solubility, total acid content, yield, water content, protein content, pH, total dissolved solids, carbohydrate, lactic acid bacteria, yeast, and microbe content of the product and shows no significant difference on the viscosity of the product. It can be concluded that the addition of dextrin can increase the yield, solubility, total dissolved solids, water content, carbohydrate, total microbe, lactic acid bacteria, and microbe but also decreased the pH value and the protein content, with the best treatment was the addition of dextrin of 10%.
PEMANFAATAN SUMBER DAYA ALAM TERBARUKAN DALAM MODEL SEWA EKONOMI HANUM, F.; NUGRAHANI, E. H.; SUSANTI, S.
MILANG Journal of Mathematics and Its Applications Vol. 14 No. 2 (2015): Journal of Mathematics and Its Applications
Publisher : School of Data Science, Mathematics and Informatics, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmap.14.2.57-69

Abstract

Sumber daya alam, baik biotik maupun abiotik merupakan kekayaan bumi yang dapat dimanfaatkan untuk memenuhi kebutuhan dan kesejahteraan manusia. Sumber daya alam terbarukan adalah sumber daya alam yang dapat diperbarui seperti hewan, tumbuhan, air, dan udara. Tujuan penelitian ini ialah merekonstruksi model sewa ekonomi dan memberikan simulasi solusi maksimum dari penerimaan sewa ekonomi. Dalam penelitian ini, diambil tiga kasus yang berbeda, sehingga setiap kasus yang diambil akan menghasilkan penerimaan sewa ekonomi maksimum. Penelitian ini juga, membuat simulasi solusi maksimum penerimaan sewa ekonomi dan setiap kasus akan bernilai positif.
Co-Authors HANUM, F. NUGRAHANI, E. H. Nurwantoro . Prayoga, M. I. Y. Rizqiati, H.