羟基烷酸
恶臭假单胞菌
木质纤维素生物量
木质素
生物量(生态学)
水解物
化学
食品科学
生物塑料
制浆造纸工业
生物燃料
水解
生物化学
有机化学
生物技术
废物管理
生物
酶
农学
遗传学
细菌
工程类
作者
Suveera Bellary,Mallikarjun Patil,Aruna Mahesh,Arvind Lali
标识
DOI:10.1080/10826068.2022.2036999
摘要
As world moves toward increasing number of products being produced from renewable lignocellulosic agricultural and forest residues, the major classes of products that will shift to greener routes on priority are energy, fuels, and materials in that order. In materials segment, polyhydroxyalkanoates are an emerging class of biopolyesters with several potential industrial uses. The present work investigates medium chain length polyhydroxyalkanoates (mcl-PHA) producing capabilities of Pseudomonas putida KT2440 from a mixture of compounds produced from lignocellulosic biomass deconstruction. The hydrolysates obtained from nitric acid pretreatment of lignin rich cotton stalk (CS) and palm empty fruit bunch (EFB) were used as substrates for production of mcl-PHA. Presence of 3-hydroxydecanoate and 3-hydroxyocytanoate observed on GC-MS confirmed PHA accumulation in the cells. PHA accumulation was estimated between 20% and 35% of cell dry weight when grown on both model substrates as well as biomass hydrolysates. PHA titers obtained on hydrolysates of CS and EFB were 0.24 g/L and 0.21 g/L, respectively.
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