Biological valorization strategy for converting spent coffee grounds into biopolymers and chemicals

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F18%3APU129108" target="_blank" >RIV/00216305:26310/18:PU129108 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Biological valorization strategy for converting spent coffee grounds into biopolymers and chemicals
Original language description
Coffee is the second largest traded commodity in the world. More than 6 million tons of spent coffee grounds (SCG) per year are generating worldwide as a solid residue after beverage preparation or instant coffee production [1]. In the time when we should save carbon sources and use the carbon only we have to, SCG belong to valuable renewable sources of carbon. This work suggests a biological valorization strategy for converting of SCG into polyhydroxyalkanoates (PHA), lactic acid, carotenoids, antioxidants, antimicrobial agents, and filler for polymers [2 - 4]. For the suggested approach, the fractionation of SCG is a crucial step. For the biotechnological production of PHA, oil derived from SCG after extraction with n-hexane as well as fermentable sugar derived from SCG through hydrolysis have been used. SCG hydrolysates have been detoxified through an adsorption strategy by using Amberlite XAD4. Amberlite XAD4 is a non-ionic crosslinked polymer, which adsorptive properties are connected with its ma
Czech name
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Czech description
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Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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