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Glycerol valorization: New biotechnological routes

Paper ID Volume ID Publish Year Pages File Format Full-Text
19477 43069 2009 8 PDF Available
Title
Glycerol valorization: New biotechnological routes
Abstract

Biodiesel have drawn attention in the last decade as a renewable, biodegradable, and non-toxic fuel. Raw glycerol can become an important feedstock when biodiesel is applied on a large commercial scale. With the production of 10 kg of biodiesel from rapeseed oil, 1 kg of glycerol becomes available. Few microorganisms can be used for direct glycerol biovalorization. Yarrowia lipolytica is one of the most extensively studied “non-conventional” yeasts which is used as a model in the degradation study of hydrophobic substrates and in several other fields. Its affinity for hydrophobic compounds occurs because of the production of surface-active compounds and its differentiated cell wall. From glycerol, a hydrophobic compound easily assimilated by Y. lipolytica, it is possible to produce several substances of biotechnological importance, including biosurfactants and citric acid. Biosurfactants are potential candidates for many commercial applications in the petroleum, pharmaceutical, biomedical and food industrial processes. Citric acid has a broad use in the preparation of numerous industrial products and in many industrial areas, especially in food industry, which creates a large and ever-increasing demand for this chemical. Therefore, glycerol transformation by Y. lipolytica points to highly potential processes.

Keywords
Glycerol; Biovalorization; Biodiesel; Yarrowia lipolytica; Biosurfactants; Organic acids
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 87, Issue 3, September 2009, Pages 179–186
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us