Treatment of immobilized α-amylase under supercritical CO2 conditions: Can activity be enhanced after consecutive enzymatic reactions?

Senyay-Oncel, Deniz; Yeşil-Çeliktaş, Özlem

doi:10.1016/j.molcatb.2013.03.003

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Enzymatic Hydrolysis In Supercritical Co3

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Cited by 19 publications

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“…Senyay-Oncel and Yesil-Celiktas investigated the ability of CO 2 to change the activity of immobilized α-amylase after consecutive reactions. 128 The α-amylase from Aspergillus oryzae treated with scCO 2 (at optimal conditions of 41 °C, 240 bar, and 4 g•min −1 of CO 2 flow for 150 min) and immobilized in calcium alginate beads and NaY zeolite yielded 67.7% higher activity (29.7 mmol•mL −1 •min −1 ) than the untreated enzyme (maximum of 17.7 mmol•mL −1 •min −1 ). 129 The immobilized enzyme was reused in starch hydrolysis by consecutive activation by scCO 2 .…”

Section: Enzymatic Hydrolysis In Supercritical Comentioning

confidence: 99%

“…The best results were achieved when α-amylase was immobilized in NaY zeolite and the enzyme was used in 17 reactions and reactivated 4 times. 128…”

Section: Enzymatic Hydrolysis In Supercritical Comentioning

confidence: 99%

“…This procedure was repeated until the activity of the engaged enzyme was no longer re-established. The best results were achieved when α-amylase was immobilized in NaY zeolite and the enzyme was used in 17 reactions and reactivated 4 times …”

Section: Enzymatic Hydrolysis In Supercritical Co2mentioning

confidence: 99%

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