BIOSYNTHESIS OF POLY - Β- HYDROXYBUTYRATE AS A BIODEGRADABLE POLYMER

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TABANDEH F.; VASHEGHANI FARAAHANI E.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Polymer Journal Year:2003 | Volume:12 | Issue:1 Page(s): 37-42

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Information Journal Paper

Title

BIOSYNTHESIS OF POLY - Β- HYDROXYBUTYRATE AS A BIODEGRADABLE POLYMER

Author(s)

TABANDEH F. | VASHEGHANI FARAAHANI E. | Issue Writer Certificate

Keywords

POLY-Β-HYDROXYBUTYRATE (PHB)Q4

RALSTONIA EUTROPHAQ4

BIOSYNTHESISQ4

BIODEGRADABLE POLYMERSQ4

Abstract

Poly-β-hydroxybutyrate (PHB) is a biodegradable polymer which is regarded as a new environmentally compatible material. A wide variety of micro-organisms accumulate poly-β-hydroxybutyrate within cells as an intracellular storage material of carbon and energy. In this study, PHB was synthesized by RALSTONIA EUTROPHA (formerly Alcaligenes eutrophus) in a defined medium consisted of fructose as a sole carbon source. The effect of four process variables was studied to optimize the BIOSYNTHESIS of PHB in bench scale. The results showed that the fresh inoculum at the mid-exponential phase lead to more growth during fermentation. The optimum shaking rate and temperature were 250 rpm and 25°C, respectively. The high concentration of fructose inhibited the growth, so it was optimized at 15 gL-1. Under these conditions, PHB was accumulated as inclusion bodies so that 70% of the dry cell weight of RALSTONIA EUTROPHA was composed of PHB. The yield coefficients of biomass and product were 0.3 and 0.21 g.g-1, respectively.

Cites

APPLICATION OF THE TAGUCHI DESIGN FOR PRODUCTION OF POLY(#B-HYDROXYBUTYRATE) BY RALSTONIA EUTROPHA

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APA: Copy

TABANDEH, F., & VASHEGHANI FARAAHANI, E.. (2003). BIOSYNTHESIS OF POLY - Β- HYDROXYBUTYRATE AS A BIODEGRADABLE POLYMER . IRANIAN POLYMER JOURNAL (ENGLISH), 12(1), 37-42. SID. https://sid.ir/paper/85926/en

Vancouver: Copy

TABANDEH F., VASHEGHANI FARAAHANI E.. BIOSYNTHESIS OF POLY - Β- HYDROXYBUTYRATE AS A BIODEGRADABLE POLYMER . IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2003;12(1):37-42. Available from: https://sid.ir/paper/85926/en

IEEE: Copy

F. TABANDEH, and E. VASHEGHANI FARAAHANI, “BIOSYNTHESIS OF POLY - Β- HYDROXYBUTYRATE AS A BIODEGRADABLE POLYMER ,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 12, no. 1, pp. 37–42, 2003, [Online]. Available: https://sid.ir/paper/85926/en

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