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All Journal IPTEK The Journal of Engineering
Muhammad Faturahman Almuhaimin
Institut Teknologi Sepuluh Nopember
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Mechanical Engineering

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Characterization of Type-III Resistant Starch Produced by High Shear Mixing Combined with Membrane Separation Putu Ayu Yuliani Indiasih; Muhammad Faturahman Almuhaimin; Muh. Abdillah Taufiqurrahman; Bramantyo Airlangga; Sumarno Sumarno
IPTEK The Journal of Engineering Vol 9, No 2 (2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v9i2.a17355

Abstract

There are five types of resistant starch and the most commonly used as functional food is type-III resistant starch (RS-III), which is a retrograded of gelatinized starch that is conventionally produced by heating and cooling treatment. This study characterized the RS-III produced by an unconventional method by modification of high shear mixing (HSM) combined with membrane microfiltration from cassava starch. A starch/water mixture with a concentration of 1/20 w/v was gelatinized in the HSM reactor at 95°C for 15 minutes and then separated using membrane microfiltration. The separated permeate was cooled to the retrogradation process. The products were characterized by iodine, X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), and Total Dietary Fiber (TDF) content. The highest amylose content that can be achieved was 15.3% with a degree of crystallinity of 8.58%. The higher HSM speed significantly increased the TDF content in RS-III products up to 12.33%.
Co-Authors Bramantyo Airlangga Muh. Abdillah Taufiqurrahman Putu Ayu Yuliani Indiasih Sumarno Sumarno