Hydrolysis of  p ‐nitrophenyl laurate in supercritical carbon dioxide: comparison of two different enzymes | Zendy

Srivastava Shireesh | Zendy; Madras Giridhar | Zendy

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Hydrolysis of p ‐nitrophenyl laurate in supercritical carbon dioxide: comparison of two different enzymes

Author(s) -

Srivastava Shireesh,

Madras Giridhar

Publication year - 2001

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.442

Subject(s) - supercritical carbon dioxide , chemistry , lipase , yield (engineering) , hydrolysis , carbon dioxide , supercritical fluid , enzymatic hydrolysis , aqueous solution , enzyme , organic chemistry , kinetics , chromatography , nuclear chemistry , materials science , physics , quantum mechanics , metallurgy

The enzymatic hydrolysis of p ‐nitrophenyl laurate (PNPL) to p ‐nitrophenol (PNP) was studied in supercritical carbon dioxide using crude Hog Pancreas Lipase (HPL) and P roqueforti Lipase (PRL). The two enzymes were compared for their optimal activity temperatures and reaction kinetics. HPL had a higher optimal temperature (65 °C) and better yield (22.5%) compared with PRL whose optimal temperature was 50 °C with a 15.3% yield. This is considerably higher than the optimum temperature of 37 °C and yields of less than 1% observed in the aqueous medium. © 2001 Society of Chemical Industry

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