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Suitability of starch extracted from fresh pasta by‐product in biodegradable film production.

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Title: Suitability of starch extracted from fresh pasta by‐product in biodegradable film production.
Authors: Zouari‐Ellouzi, Soumaya1 soumayazouari@gmail.com, Chaari, Fatma1, Bouaziz, Amira2, Kallel, Fatma1, Mechim, Monia1, Jaziri, Mohamed2, Bougatef, Ali1, Ellouze‐Ghorbel, Raoudha1,3
Source: Environmental Progress & Sustainable Energy. Mar2019, Vol. 38 Issue 2, p527-533. 7p.
Subject Terms: Starch, Glycerin, Crystallinity, X-ray diffraction, Fourier transform infrared spectroscopy
Abstract: Starch (PS) isolated from fresh pasta by‐product was plasticized with different amount of glycerol (10, 15, and 20%). X‐ray diffraction highlighted that after PS plasticization, the obtained bio‐films showed a partial change in the crystallinity and typical saccharide bands were put in evidence by peaks associated with C‐C, C‐O, C‐H, and ‐OH stretching from the Fourier transform infrared spectroscopy spectra. The differential scanning calorimetry measurements demonstrated that glass transition temperature (Tg) of bio‐films decreased with increasing glycerol content. In addition, their total soluble matter released in distilled water increased with increasing the glycerol content; and an increase in relative humidity and in plasticizer content resulted in the highest values of water uptake. The tensile properties revealed a significant decrease in both Young's modulus and tensile strength but an increase in elongation at break with increasing the glycerol content. The biodegradation tests proved that bio‐films were more biodegradable than the extracted starch implying a strong connection between plasticizer and biodegradability. © 2018 American Institute of Chemical Engineers Environ Prog, 38: 527–533, 2019 [ABSTRACT FROM AUTHOR]
Copyright of Environmental Progress & Sustainable Energy is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Suitability of starch extracted from fresh pasta by‐product in biodegradable film production.
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Progress+%26+Sustainable+Energy%22">Environmental Progress & Sustainable Energy</searchLink>. Mar2019, Vol. 38 Issue 2, p527-533. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Starch%22">Starch</searchLink><br /><searchLink fieldCode="DE" term="%22Glycerin%22">Glycerin</searchLink><br /><searchLink fieldCode="DE" term="%22Crystallinity%22">Crystallinity</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+transform+infrared+spectroscopy%22">Fourier transform infrared spectroscopy</searchLink>
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  Data: Starch (PS) isolated from fresh pasta by‐product was plasticized with different amount of glycerol (10, 15, and 20%). X‐ray diffraction highlighted that after PS plasticization, the obtained bio‐films showed a partial change in the crystallinity and typical saccharide bands were put in evidence by peaks associated with C‐C, C‐O, C‐H, and ‐OH stretching from the Fourier transform infrared spectroscopy spectra. The differential scanning calorimetry measurements demonstrated that glass transition temperature (Tg) of bio‐films decreased with increasing glycerol content. In addition, their total soluble matter released in distilled water increased with increasing the glycerol content; and an increase in relative humidity and in plasticizer content resulted in the highest values of water uptake. The tensile properties revealed a significant decrease in both Young's modulus and tensile strength but an increase in elongation at break with increasing the glycerol content. The biodegradation tests proved that bio‐films were more biodegradable than the extracted starch implying a strong connection between plasticizer and biodegradability. © 2018 American Institute of Chemical Engineers Environ Prog, 38: 527–533, 2019 [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Environmental Progress & Sustainable Energy is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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