Biofilm Based on Modified Sago Starch: Preparation and  Characterization

Dewi Sondari; Faizatul Falah; Riska Suryaningrum; Fahriya Puspita Sari; Fahriya Puspita Sari; Athanasia Amanda Septefani; Athanasia Amanda Septefani; Witta Kartika Restu; Witta Kartika Restu; Yulianti Sampora; Yulianti Sampora

doi:10.14710/reaktor.19.3.125-130

DOI: https://doi.org/10.14710/reaktor.19.3.125-130

Biofilm Based on Modified Sago Starch: Preparation and Characterization

*Dewi Sondari - Technology Process of Biomass and Bioremediation Group, Research Center for Biomaterial, Indonesian Institutes of Sciences (LIPI), Indonesia

Faizatul Falah - Technology Process of Biomass and Bioremediation Group, Research Center for Biomaterial, Indonesian Institutes of Sciences (LIPI), Indonesia

Riska Suryaningrum - Technology Process of Biomass and Bioremediation Group, Research Center for Biomaterial, Indonesian Institutes of Sciences (LIPI), Indonesia

Fahriya Puspita Sari - Technology Process of Biomass and Bioremediation Group, Research Center for Biomaterial, Indonesian Institutes of Sciences (LIPI), Indonesia

Athanasia Amanda Septefani - Polymer Chemistry Group, Research Center for Chemistry, Indonesian Institutes of Sciences (LIPI)

Witta Kartika Restu - Polymer Chemistry Group, Research Center for Chemistry, Indonesian Institutes of Sciences (LIPI), Indonesia

Yulianti Sampora - Polymer Chemistry Group, Research Center for Chemistry, Indonesian Institutes of Sciences (LIPI), Indonesia

Received: 21 Aug 2019; Published: 25 Oct 2019.

BibTex Citation Data :

@article{Reaktor25056,
    author = {Dewi Sondari and Faizatul Falah and Riska Suryaningrum and Fahriya Puspita Sari and Fahriya Puspita Sari and Athanasia Amanda Septefani and Athanasia Amanda Septefani and Witta Kartika Restu and Witta Kartika Restu and Yulianti Sampora and Yulianti Sampora},
    title = {Biofilm Based on Modified Sago Starch: Preparation and  Characterization},
    journal = {Reaktor},
  volume = {19},
    number = {3},
    year = {2019},
    keywords = {},
    abstract = {  Biofilms made from modified sago starch to improve the mechanical and physical properties have been studied  .      This study aimed to prepare and characterize biofilms from sago starch and modified sago (acetylation, oxidation, cross-link and precipitation). Modified of sago starch was prepared by some methods: precipitation using ethanol as solvent, acetylation modified of sago starch using acetic anhydride, oxidation modification using hydrogen peroxide and cross-link modification using sodium acetate.   Biofilms were made from modified sago using glycerol with a concentration of 1.0% weight, where glycerol acts as a plasti  c  izer to impart the thermoplasticity of the starch film. Biofilm made from native sago was then compared to biofilm from modified sago starch. The effects of modified sago starch to the biofilm were measured on its moisture contents, contact angle value, mechanical properties such as elongation and tensile strength.   T  he chemical structures   were evaluated by   Fourier-transform infrared spectroscopy (FTIR)   and morphology of biofilm were measured by Scanning Electron Microscope (SEM).   The optimum condition of modified sago starch used in biofilm in this study is by acetylation. The result show that modified acetylation of sago starch can improve the properties of biofilm       Keywords :  biofilms, sago, acetylation, oxidation, cross link, SEM, FTIR  },
   issn = {2407-5973},   pages = {125--130}  doi = {10.14710/reaktor.19.3.125-130},
    url = {https://ejournal.undip.ac.id/index.php/reaktor/article/view/25056}
}

Citation Format:

Abstract

Biofilms made from modified sago starch to improve the mechanical and physical properties have been studied. This study aimed to prepare and characterize biofilms from sago starch and modified sago (acetylation, oxidation, cross-link and precipitation). Modified of sago starch was prepared by some methods: precipitation using ethanol as solvent, acetylation modified of sago starch using acetic anhydride, oxidation modification using hydrogen peroxide and cross-link modification using sodium acetate. Biofilms were made from modified sago using glycerol with a concentration of 1.0% weight, where glycerol acts as a plasticizer to impart the thermoplasticity of the starch film. Biofilm made from native sago was then compared to biofilm from modified sago starch. The effects of modified sago starch to the biofilm were measured on its moisture contents, contact angle value, mechanical properties such as elongation and tensile strength. The chemical structures were evaluated by Fourier-transform infrared spectroscopy (FTIR) and morphology of biofilm were measured by Scanning Electron Microscope (SEM). The optimum condition of modified sago starch used in biofilm in this study is by acetylation. The result show that modified acetylation of sago starch can improve the properties of biofilm

Keywords: biofilms, sago, acetylation, oxidation, cross link, SEM, FTIR

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Funding: Research Center for Biomaterial

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Section: Research Article

Language : EN

In Volume 19 No. 3 September 2019

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