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All Journal WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences Journal of Natural Sciences and Mathematics Research Jurnal Penelitian Pertanian Terapan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Abdimas ADPI Sains dan Teknologi Chalaza Journal of Animal Husbandry
Chandra Utami Wirawati
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Veterinary

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Journal : Jurnal Penelitian Pertanian Terapan

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Suplementasi Hidrolisat Glukomanan Tepung Porang (Amorphophallus oncophillus) pada Produk Minuman Sinbiotik Chandra Utami Wirawati; Dwi Eva Nirmagustina
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2276

Abstract

Synbiotics is a combination of prebiotics and probiotics that are believed to have a synergistic effect not only by inhibiting the growth of pathogenic bacteria and enhancing the growth of beneficial organisms, but also play a role as functional foods. This study was conducted to evaluate the konjac glucomannan hydrolyzate in synbiotics fermented milk. Factorial Randomized Block Design (RAK) was applied in this experiment. The combination of konjac glucomannan hydrolyzate (0%, 0.5%, 1%, 1.5%) and storage time (0 day, 30 days, 60 days) were applied to measure the acidity (pH), lactic acid konsentration and viscosity. Meanwhile viability of lactic acid bacteria and antibacterial activity were measure . The result showed that konjac glucomannan hydrolyzate supplementation were decreased product acidity (pH) and viscosity, but increased the lactic acid concentration during 60 days storage. Viability of lactic acid bacteria during 60 days storage were decreased except for 1% and 1.5% concentration. The synbiotic product showed antagonistic activity against pathogenic bacteria i.e. E. coli ATCC 25922, S. aureus ATCC 25923, and S. Typhimurium ATCC 14028. Supplementation of 1% glucomannan hydrolyzate for 60 days at 5oC showed the best characteristics in synbiotic product namely 3.45 acidity (pH), 1.24% total lactic acid , 3.24 Cp viscosity, and 8.69 log CFU/g total lactic acid bacteria.
Co-Authors Annisa Fitri D W Lukman Dwi Eva Nirmagustina Eko Win Kenali Henry Kurniawan I Wientarsih Irmayani Noer M B Sudarwanto Ni Siluh Putu Nuryanti Nurbani Kalsum Nurma Pratiwi Sarono . Sri Handayani Winarto Winarto