Fermentative Lactic Acid Production From Lignocellulosic Feedstocks: From Source to Purified Product

The second (lignocellulosic biomass and industrial wastes) and third (algal biomass) generation feedstocks gained substantial interest as a source of various value-added chemicals, produced by fermentation. Lactic acid is a valuable platform chemical with both traditional and newer applications in m...

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Published inFrontiers in chemistry Vol. 10; p. 823005
Main Author Yankov, Dragomir
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 04.03.2022
Subjects
Chemistry
fermentation
lactic acid
lignocellulosic biomass
pretreatment
separation
lactic acid
lignocellulosic biomass
fermentation
separation
pretreatment
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Summary:The second (lignocellulosic biomass and industrial wastes) and third (algal biomass) generation feedstocks gained substantial interest as a source of various value-added chemicals, produced by fermentation. Lactic acid is a valuable platform chemical with both traditional and newer applications in many industries. The successful fractionation, separation, and hydrolysis of lignocellulosic biomass result in sugars' rich raw material for lactic acid fermentation. This review paper aims to summarize the investigations and progress in the last 5 years in lactic acid production from inexpensive and renewable resources. Different aspects are discussed-the type of raw materials, pretreatment and detoxification methods, lactic acid-producers (bacteria, fungi, and yeasts), use of genetically manipulated microorganisms, separation techniques, different approaches of process organization, as well as main challenges, and possible solutions for process optimization.
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Reviewed by: Paripok Phitsuwan, King Mongkut’s University of Technology Thonburi, Thailand
Yu-Cai He, Changzhou University, China
Edited by: Svilen Simeonov, Institute of Organic Chemistry with Centre of Phytochemistry (BAS), Bulgaria
This article was submitted to Green and Sustainable Chemistry, a section of the journal Frontiers in Chemistry
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2022.823005