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Raden Haryo Bimo Setiarto
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Agriculture, Biological Sciences & Forestry Veterinary

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Kajian Peningkatan Pati Resisten yang Terkandung dalam Bahan Pangan Sebagai Sumber Prebiotik Raden Haryo Bimo Setiarto; Betty Sri Laksmi Jenie; Didah Nur Faridah; Iwan Saskiawan
Jurnal Ilmu Pertanian Indonesia Vol. 20 No. 3 (2015): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1093.301 KB) | DOI: 10.18343/jipi.20.3.191

Abstract

Prebiotics are food ingredients that selectively stimulate the growth of probiotic bacteria in the colon. Resistant starch (RS) is the starch that can not be digested by digestive enzymes and resistant to gastric acid so it can reach the colon to be fermented by probiotic bacteria. There are treatments to increase the content of RS such as: autoclaving-cooling cycling, combination of lintnerized with autoclaving-cooling, and combination of debranching pullulanase with autoclaving-cooling. The results of techno-economical study showed that the combination of fermentation followed by autoclaving-cooling can be used as an alternative technique to increase the content of resistant starch in food more effectively and efficiently.
Pengaruh Fermentasi Bakteri Asam Laktat Lactobacillus plantarum B307 Terhadap Kadar Proksimat dan Amilografi Tepung Taka Modifikasi (Tacca leontopetaloides) Raden Haryo Bimo Setiarto; Nunuk Widhyastuti
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 1 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (462.526 KB) | DOI: 10.18343/jipi.21.1.7

Abstract

Tacca (Tacca leontopetaloides) is plant that grows in coastal areas and high salinity, especially in the south coast of West Java. Tacca tubers have high content of carbohydrate, but it also contains some toxic compounds such as: taccaline, β – sitosterol, alcohol cerylic, and steroid sapogenin that are harmful for health. Fermentation on tacca tubers can change amylograph properties and proximate levels of modified tacca flour and reduce it toxic compounds. This study aimed at determining the effects of lactic acid bacteria (LAB) Lactobacillus plantarum B307 fermentation on the proximate levels and amylograph characteristics of modified tacca flour. Moisture and ash content of modified tacca flour still meet the requirements of SNI. Fermentation LAB Lactobacillus plantarum B307 led to increased levels of protein and lactic acid in the modified tacca flour, but it decreased pH value and carbohydrate content. Based on the analysis of amylograph, it can be concluded that tacca flour control without fermentation has the best gelatinization profile because it has good ability of setback viscosity.
Peningkatan Pati Resisten Tepung Sorgum Termodifikasi Melalui Fermentasi dan Siklus Pemanasan Bertekanan-Pendinginan Raden Haryo Bimo Setiarto; Nunuk Widhyastuti; Denny Setiadi
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (448.958 KB) | DOI: 10.18343/jipi.23.1.10

Abstract

Sorghum can be utilized as raw material to produce resistant starch because of its high amylose content. Resistant starch is the starch that is resistant to gastric acid hydrolysis and it cannot be digested by pancreatic digestive enzymes, it cannot be absorbed in the human small intestine, but it can be fermented by intestinal microbial in the colon. This study aims to increase the levels of resistant starch in modified sorghum flour by lactic acid bacteria fermentation and autoclaving-cooling cycling. Parameters analyzed in this study were proximate analysis starch digestibility, amylose content, total starch, reducing sugar, RDS (rapidly digestible starch), SDS (slowly digestible starch), and resistant starch. The combination treatment of fermentation and 2 cycles of autoclaving-cooling (FAC-2S) is the best treatment because it was able to produce the highest resistant starch content (39.06% dw) and it increased resistant starch 8.1 fold when compared with control. Improvement the number of autoclaving-cooling cycles was applied will increase the resistant starch content and decrease the digestibility of modified sorghum flour. High amylose content in modified sorghum flour is useful in the formation of resistant starch.
Optimasi Konsentrasi Fruktooligosakarida untuk Meningkatkan Pertumbuhan Bakteri Asam Laktat Starter Yoghurt (CONCENTRATION OPTIMIZATION OF FRUCTOOLIGOSACCHARIDES TO INCREASE GROWTH OF LACTIC ACID BACTERIA YOGHURT STARTER) Raden Haryo Bimo Setiarto; Nunuk Widhyastuti; Nimas Ayu Rikmawati
Jurnal Veteriner Vol 18 No 3 (2017)
Publisher : Faculty of Veterinary Medicine, Udayana University and Published in collaboration with the Indonesia Veterinarian Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (198.816 KB) | DOI: 10.19087/jveteriner.2017.18.3.428

Abstract

Fructooligosaccharides are prebiotic source that widely used in food products, such as: fermented milk and infant formula. Prebiotics are food components that cannot be digested in the digestive tract enzymatically. However, they can be fermented by probiotic bacteria in the colon. This study aimed to determine the optimum concentrations of fructooligosaccharides in order to increase the growth of lactic acid bacteria yogurt starter (Lactobacillus acidophillus, Lactobacillus bulgaricus, Streptococcus thermophillus). Optimation concentration of fructooligosaccharides on the growth of Lactobacillus acidophilus, Lactobacillus bulgaricus, Streptococcus thermophillus can be determined based on OD (optical density), TPC (Total Plate Count), total lactic acid content and pH value. Suplementation of fructooligosaccharides 1 % (w/v) on the media MRSB increased significantly the growth of L. acidophilus, L.bulgaricus, S. thermophilus. Furthermore, L. acidophilus, L. bulgaricus and S. thermophilus experienced exponential growth phase during incubation period from 6 to 18 hours. Fermentation of L. acidophilus, L. bulgaricus, S. thermophilus in MRSB medium supplemented by fructooligosaccharides decreased the pH value of the formation of organic acids from 6.00 to 4.00. ABSTRAK Fruktooligosakarida adalah sumber prebiotik yang banyak digunakan dalam produk pangan olahan seperti susu fermentasi dan susu formula. Prebiotik adalah komponen bahan pangan fungsional yang tidak dapat dicerna di dalam saluran pencernaan secara enzimatik sehingga akan difermentasi oleh bakteri probiotik dalam usus besar. Penelitian ini bertujuan menentukan konsentrasi optimum fruktooligosakarida untuk meningkatkan pertumbuhan bakteri asam laktat starter yoghurt (Lactobacillus acidophillus, Lactobacillus bulgaricus, Streptococcus thermophillus). Konsentrasi optimum fruktooligosakarida pada pertumbuhan Lactobacillus acidophilus, Lactobacillus bulgaricus, Streptococcus thermophillus dapat ditentukan berdasarkan OD (optical density), TPC (Total Plate Count), total asam laktat tertitrasi dan nilai pH. Penambahan fruktooligosakarida 1% (b/v) pada media MRSB (Man, Rogosa Sharpe Broth) dapat meningkatkan secara signifikan pertumbuhan L. acidophilus, L. bulgaricus, S. thermophilus. Bakteri asam laktat L. acidophilus, L. bulgaricus dan S. thermophilus mengalami fase pertumbuhan eksponensial selama masa inkubasi 6-18 jam. Fermentasi L. acidophilus, L. bulgaricus, S. thermophilus pada MRSB dengan penambahan fruktooligosakarida dapat menurunkan nilai pH dari kisaran 6,00 hingga 4,00 karena pembentukan asam-asam organik.
Co-Authors Betty Sri Laksmi Jenie Denny Setiadi IWAN SASKIAWAN Nimas Ayu Rikmawati Nunuk Widhyastuti