Sugar Beet Pulp as Raw Material for the Production of Bioplastics

The production of bioplastics from renewable materials has gained interest in recent years, due to the large accumulation of non-degradable plastic produced in the environment. Here, sugar beet pulp (SBP) is evaluated as a potential raw material for the production of bioplastics such as polylactic a...

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Main Authors: Cristina Marzo-Gago, Ana Belén Díaz, Ana Blandino
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Fermentation
Subjects:
Online Access:https://www.mdpi.com/2311-5637/9/7/655
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author Cristina Marzo-Gago
Ana Belén Díaz
Ana Blandino
author_facet Cristina Marzo-Gago
Ana Belén Díaz
Ana Blandino
author_sort Cristina Marzo-Gago
collection DOAJ
description The production of bioplastics from renewable materials has gained interest in recent years, due to the large accumulation of non-degradable plastic produced in the environment. Here, sugar beet pulp (SBP) is evaluated as a potential raw material for the production of bioplastics such as polylactic acid (PLA) and polyhydroxyalkanoates (PHAs). SBP is a by-product obtained in the sugar industry after sugar extraction from sugar beet, and it is mainly used for animal feed. It has a varied composition consisting mainly of cellulose, hemicellulose and pectin. Thus, it has been used to produce different value-added products such as methane, hydrogen, pectin, simple sugars, ethanol, lactic acid and succinic acid. This review focuses on the different bioprocesses involved in the production of lactic acid and PHAs, both precursors of bioplastics, from sugars derived from SBP. The review, therefore, describes the pretreatments applied to SBP, the conditions most frequently used for the enzymatic hydrolysis of SBP as well as the fermentation processes to obtain LA and PHAs.
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spelling doaj.art-34438ef5563b4970b295aa47cd162a112023-11-18T19:16:32ZengMDPI AGFermentation2311-56372023-07-019765510.3390/fermentation9070655Sugar Beet Pulp as Raw Material for the Production of BioplasticsCristina Marzo-Gago0Ana Belén Díaz1Ana Blandino2Department of Chemical Engineering and Food Technology, Faculty of Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, SpainDepartment of Chemical Engineering and Food Technology, Faculty of Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, SpainDepartment of Chemical Engineering and Food Technology, Faculty of Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, SpainThe production of bioplastics from renewable materials has gained interest in recent years, due to the large accumulation of non-degradable plastic produced in the environment. Here, sugar beet pulp (SBP) is evaluated as a potential raw material for the production of bioplastics such as polylactic acid (PLA) and polyhydroxyalkanoates (PHAs). SBP is a by-product obtained in the sugar industry after sugar extraction from sugar beet, and it is mainly used for animal feed. It has a varied composition consisting mainly of cellulose, hemicellulose and pectin. Thus, it has been used to produce different value-added products such as methane, hydrogen, pectin, simple sugars, ethanol, lactic acid and succinic acid. This review focuses on the different bioprocesses involved in the production of lactic acid and PHAs, both precursors of bioplastics, from sugars derived from SBP. The review, therefore, describes the pretreatments applied to SBP, the conditions most frequently used for the enzymatic hydrolysis of SBP as well as the fermentation processes to obtain LA and PHAs.https://www.mdpi.com/2311-5637/9/7/655enzymatic hydrolysisfermentationbioplasticslactic acidpolyhydroxyalkanoatespretreatment
spellingShingle Cristina Marzo-Gago
Ana Belén Díaz
Ana Blandino
Sugar Beet Pulp as Raw Material for the Production of Bioplastics
Fermentation
enzymatic hydrolysis
fermentation
bioplastics
lactic acid
polyhydroxyalkanoates
pretreatment
title Sugar Beet Pulp as Raw Material for the Production of Bioplastics
title_full Sugar Beet Pulp as Raw Material for the Production of Bioplastics
title_fullStr Sugar Beet Pulp as Raw Material for the Production of Bioplastics
title_full_unstemmed Sugar Beet Pulp as Raw Material for the Production of Bioplastics
title_short Sugar Beet Pulp as Raw Material for the Production of Bioplastics
title_sort sugar beet pulp as raw material for the production of bioplastics
topic enzymatic hydrolysis
fermentation
bioplastics
lactic acid
polyhydroxyalkanoates
pretreatment
url https://www.mdpi.com/2311-5637/9/7/655
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