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Journal : Jurnal Agripet

Kecepatan Pertumbuhan Spesifik Bakteri Asam Laktat dengan Ekstrak Kacang Merah (Phaseolus vulgaris L.) sebagai Studi Awal Produksi Flavored Yogurt Eka Wulandari; Wendry Setiyadi Putranto; Jajang Gumilar; Lilis Suryaningsih; Andry Pratama; Trianingtyas Kusuma Anggaini
Jurnal Agripet Vol 22, No 1 (2022): Volume 22, No. 1, April 2022
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v22i1.21129

Abstract

ABSTRACT. Bakteri asam laktat merupakan bakteri yang memfermentasi bahan pangan melalui fermentasi karbohidrat menghasilkan sejumlah besar asam laktat. Penelitian ini bertujuan untuk mengetahui kecepatan pertumbuhan spesifik dari bakteri asam laktat (Streptococcus thermophilus FNCC 0040 (ST), Lactobacillus bulgaricus FNCC 0041 (LB), Lactobacillus acidophilus FNCC 0051 (LA), Lactobacillus casei ALG.2.12 (LC ALG 2.12), Bifidobacterium ATCC 12746 (BF) sebagai studi awal pembuatan flavored yogurt. Dari hasil pengujian, diperoleh penambahan ekstrak kacang merah meningkatkan kecepatan pertumbuhan spesifik isolat bakteri asam laktat dan menurunkan pH medium sehingga, penggunaan ekstrak kacang merah dapat digunakan sebagai prebiotik yang dapat meningkatkan pertumbuhan bakteri asam laktat. Kecepatan pertumbuhan spesifik paling tinggi adalah isolat Bifidobacterium dalam medium MRS Broth dengan ekstrak kacang merah.(Specific growth rate of lactic acid bacteria with red bean extract (Phaseolus vulgaris L.) as a preliminary study of flavored yogurt production)ABSTRAK. Lactic acid bacteria are group of bacteria which ferment food carbohydrates and produce lactic acid as the main product of fermentation. This study aimed to determine the specific growth rate of lactic acid bacteria (Streptococcus thermophilus FNCC 0040 (ST), Lactobacillus bulgaricus FNCC 0041 (LB), Lactobacillus acidophilus FNCC 0051 (LA), Lactobacillus casei ALG.2.12 (LC ALG 2.12), Bifidobacterium ATCC 12746 (BF) as a preliminary study for the production of flavored yogurt. In this study, lactic acid bacteria was culture in two different medium, deMan Rogosa Sharpe (MRS) Broth and deMan Rogosa Sharpe (MRS) Broth with red bean extract. Optical density, lactic acid biomass and pH was measured during fermentation processed. The results showed that the addition of red bean extract increased the specific growth rate of lactic acid bacterial isolates and lowering the pH of the medium so that the use of red bean extract can be used as a prebiotic which can increase the growth of lactic acid bacteria. The highest specific growth rate was Bifidobacterium in MRS Broth medium with red bean extract.
Co-Authors Afifa Kantamaryana, Fatia Nasyna Akhmad Solikhin Akhmad Solikhin Aliifah, Felicia Altasya Frilanda Andry Pratama Andry Pratama Andry Pratama, Andry Anika Prastyowati Anika Prastyowati, Anika Apon Zaenal Mustopa Apon Zaenal Mustopa Apon Zaenal Mustopa Apon Zaenal Mustopa Arizah Kusumawati Azzahro, Faiz Muzaki Badruzzaman, Deden Zamzam Baehaqi Bambang Kholiq Mutaqin Deden Zamzam Badruzzaman Dewi, Resa Rosliana Eka Wulandari Eka Wulandari Eka Wulandari EKA WULANDARI Fajar Firdaus Afandi Fatmah Nur Anggraini Harsi D. Kusumaningrum Hartati Chairunnisa Hartati Chairunnisa Husmy Yurmiati I Made Joni I Wayan T. Wibawan Ida Ayu Marintan Raisanti Iin Susilawati In-In Hanidah Indira Lanti Kayaputri Iwan Setiawan Jajang Gumilar Khoppipah, Fitri Anti Siti Kusmajadi Suradi Kusmajadi Suradi Kusmajadi Suradi Kusmajadi Suradi Kusumawati, Arizah Larasati, Alfanny Hasna Putri Lathifa, Aghisna Dwi Lilis Suryaningsih Lilis Suryaningsih Lilis Suryaningsih Lilis Suryaningsih Lizah Khairani MAGGY T. SUHARTONO Maggy Thenawidjaja Suhartono Manasje Manoah Bani Maulana, Alwi Rizal Mia Miranti Rustama Muhamad Raihan Aufa Nena Hilmia Nina Mardiana (F01108057) Nurkamilah, Ghina Obin Rachmawan Pratiwi, Fadila Rahma Dinda Puspo Edi Giriwono Putri, Agni Annisa Putri, Cindy Meylia Raden Febrianto Christi Roostita L Balia Sahbani, Lathifah Nur Saleh, Muhammad Rhafly Soerya, Fatima Aulia Sri Budiarti Poerwanto Stefanus Jemianus Lepa Suharsono Suharsono Suharsono Suharsono Trianingtyas Kusuma Anggaini Utama, Dicky Tri Waskita, Pranyata Tangguh Yuliastri, Desi Yustisia, Eva Sanum Zainatul Hayati