Effects of propionate on accumulation of poly(β-hydroxy-butyrate-co-β-hydroxyvalerate) and excretion of pyruvate inAlcaligenes eutrophus

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

• Publisher: Springer Netherlands
• Year: 1994
• Tongue: English
• Weight: 277 KB
• Volume: 16
• Category: Article
• ISSN: 0141-5492
• DOI: 10.1007/bf00128609

✦ Synopsis

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 observed along with a decrease in the yield of the copolymer. At the same concentration of propionate, hydroxyvalerate content of the copolymer was reduced from 26 to 15 mol % with increase of the initial glucose concentration.

Recently, Kim et a l (1993) reported a high production system of poly