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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Macroalgal biomass subcritical hydrolysates for the production of polyhydroxyalkanoate (PHA) by Haloferax mediterranei
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Macroalgal biomass subcritical hydrolysates for the production of polyhydroxyalkanoate (PHA) by Haloferax mediterranei

机译：Macroalgal生物量亚临亚氨基水解产物用于生产多羟基烷酸酯（PHA）的Haloferax Mediterranei

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Non-conventional carbon sources, such as macroalgae, are sustainable alternatives for large-scale production of biopolymers. The present study examined macroalgae-derived carbohydrates, as carbon sources for the production of polyhydroxyalkanoates (PHAs) by Haloferax mediterranei. Simulants of the hydrolysates of seven different macroalgal biomasses were prepared and the PHA production was studied. A maximum biomass concentration with maximum PHA content was detected in medium prepared from green macroalgae. The highest cell dry weight and PHA concentrations were 3.8 +/- 0.2 g.L-1 and 2.2 +/- 0.12 g.L-1 respectively when Haloferax mediterranei was grown in 25% (w/w) of Ulva sp. hydrolysate, at 42 degrees C temperature and initial pH of 7.2. Poly(3-hydroxy-butyrate-co-3-hydroxyvalerate was the major PHA constituent. The present study demonstrated that Ulva sp. is a promising feedstock for PHA production.
机译：非常规碳源，例如大型碳源，是用于大规模生产的生物聚合物的可持续替代品。 本研究研究了卤代葡萄球菌产物生产多羟基链烷酸盐（PHA）的碳源。 制备了七种不同的大类生物量的水解产物的模拟剂，并研究了PHA产生。 在由绿色大草原制备的培养基中检测到具有最大PHA含量的最大生物质浓度。 当Haloferax Mediterranei以25％（w / w）的Ulva sp生长时，最高的细胞干重和pHa浓度分别为3.8 +/- 0.2g.1-1和2.2 +/- 0.12g.1-1。 水解酸盐，在42℃温度下，初始pH为7.2。 聚（3-羟基 - 丁酸酯-CO-3-羟基戊戊烷是主要的PHA成分。本研究表明ULVA SP。是PHA生产的有希望的原料。

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