Effect of Glucose on Molecular Weight of Copolyesters Consiting of 3-Hydroxybutyrate and 3-hydroxyheanoate by Microbial Synthsis

China Biotechnology

2006, Vol. 26

Issue (0): 136-138 DOI:

Effect of Glucose on Molecular Weight of Copolyesters Consiting of 3-Hydroxybutyrate and 3-hydroxyheanoate by Microbial Synthsis

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Abstract

Poly (3-hydroxybutyrate-co-3-hydroxyhexanoate)(PHBHHx) is a new type of biodegradable material synthesized by microorganism. The PHBHHx material-machinability properties depend very much on its molecular weight. When lauric acid was used as sole carbon source, 90~110×104molecular weight of PHBHHx was obtained by Aeromonas hydrophila 4KA4. The PHBHHx with moleculr weight ranging from 25×104 to 110×104 could be obtained when glucose added to the media in 30L and 4000L fermentors. It was showed possible that glucose can be used to control molecular weight of PHBHHx bio-synthesized.

Key words： PHBHHx Aeromonas hydrophila Glucose Molecular weight

Received: 09 January 2006 Published: 15 June 2006

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. Effect of Glucose on Molecular Weight of Copolyesters Consiting of 3-Hydroxybutyrate and 3-hydroxyheanoate by Microbial Synthsis. China Biotechnology, 2006, 26(0): 136-138.

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https://manu60.magtech.com.cn/biotech/ OR https://manu60.magtech.com.cn/biotech/Y2006/V26/I0/136

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