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Production of poly(β-hydroxybutyrate-co-β-hydroxyvalerate) from glucose and valerate inAlcaligenes eutrophus

✍ Scribed by In Young Lee; Mi Kyoung Kim; Guk Jin Kim; Ho Nam Chang; Young Hoon Park

Publisher
Springer Netherlands
Year
1995
Tongue
English
Weight
186 KB
Volume
17
Category
Article
ISSN
0141-5492

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✦ Synopsis

Production of poly(~/-hydroxybutyrate-co-//-hydroxyvalerate) [poly(ltB-co-tlV)] in Alcaligenes eutrophus NCIMB 11599 was investigated at various concentrations of valerate. With valerate, higher specific production rate, yield, and IIV content of the copolymer were obtained than those with propionate.

By feeding valerate in the copolymer accumulation stage, a product titre as high as 90.4 g/I with ttV content of 20.4 °/6 could be obtained in 50 hi" of fed-batch operation.

📜 SIMILAR VOLUMES

Effects of propionate on accumulation of
Effects of propionate on accumulation of poly(β-hydroxy-butyrate-co-β-hydroxyvalerate) and excretion of pyruvate inAlcaligenes eutrophus
✍ In Young Lee; Mi Kyoung Kim; Ho Nam Chang; Young Hoon Park 📂 Article 📅 1994 🏛 Springer Netherlands 🌐 English ⚖ 277 KB

Effects of propionate on the accumulation of poly(/3-hydroxybutyrate-co-/3hydroxyvalerate) and the excretion of pyruvate in alcaligenc~ eutrophus were investigated at various concentrations of glucose and propionate. As propionate concentration increased, an enhancement in pyruvate excretion was ob