Hydrolysis of citrus peel waste with recombinant rhamnosidase for bioenergy generation

Puri, Munish 2010, Hydrolysis of citrus peel waste with recombinant rhamnosidase for bioenergy generation, in From research to industry and markets : Proceedings of the 18th European Biomass Conference & Exhibition ; proceedings of the international conference held in Lyon, France 3 - 7 May 2010, ETA-Florence Renewable Energies, Florence, Italy, pp. VP3.1.11-.

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Title Hydrolysis of citrus peel waste with recombinant rhamnosidase for bioenergy generation
Author(s) Puri, Munish
Conference name European Biomass Conference & Exhibition (18th : 2010 : Lyon, France)
Conference location Lyon, France
Conference dates 3-7 May. 2010
Title of proceedings From research to industry and markets : Proceedings of the 18th European Biomass Conference & Exhibition ; proceedings of the international conference held in Lyon, France 3 - 7 May 2010
Publication date 2010
Series VP3.1.11
Start page VP3.1.11
Publisher ETA-Florence Renewable Energies
Place of publication Florence, Italy
Summary Large amounts of Citrus peel (rich in poly-phenolic compounds) are generated as a by-product of the juice processing industry. Development of alternative, higher valued products utilizing peel waste from grapefruit, oranges, Valencia and other citrus fruit would benefit citrus juice processors by providing them with means to profitably process their peel waste and to avoid environmentally hazardous dumping. Citrus peel waste [CPW, comprised of peel, membranes and juice vesicles] contains a high level of polyphenols and has been used for the production of animal feed, single-cell protein, fibre, enzyme(s), immobilization support & bio-sorbent for heavy metal removal. Naringin (a major tri-hydroxy flavonoid glycoside) is available in large amounts in citrus peel, processed juice and can be extracted from citrus peel waste1. The extracted naringin is further hydrolysed by rhamnosidase to produce D-rhamnose for the production of ethanol and other fermentation products. We have produced a recombinant enzyme2 that has the ability to catalyse the cleavage of terminal rhamnoside groups from naringin to prunin and rhamnose. We have recovered important sugar “D-rhamnose” from the processed waste which would be utilized for ethanol production3. This presentation will summarize current efforts to develop an enzymatic treatment which would facilitate the economical processing of citrus waste for bioenergy generation.
Language eng
Field of Research 100302 Bioprocessing, Bioproduction and Bioproducts
Socio Economic Objective 850501 Biofuel (Biomass) Energy
HERDC Research category E3 Extract of paper
HERDC collection year 2010
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033627

Document type: Conference Paper
Collection: Centre for Biotechnology and Interdisciplinary Sciences (BioDeakin)
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