Induction of Pectinases in Acrocylindrium

Kimura, Hitoshi; Mizushima, Shôji

doi:10.2323/jgam.20.33

Cited by 2 publications

(2 citation statements)

References 4 publications

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“…Metals like Pt, Pd were found to be very effective for the oxidation of glycerol [137,192–194] . Au‐based catalysts were found to be resistant to oxygen poisoning when compared to the Pt catalysts and were found to be more effective for the glycerol oxidation process [195–198] . Studies have shown that gold in the presence of a strong base produces GA via oxidation of glycerol [199–201] .…”

Section: Glyceric Acidmentioning

confidence: 99%

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Unveiling Cutting Edge Innovations in the Catalytic Valorization of Biodiesel Byproduct Glycerol into Value Added Products

et al. 2023

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The increasing production of biodiesel has led to a glut in the production of glycerol, which is a byproduct. This has resulted in the quest for alternative applications using glycerol as a cheap and readily available starting material. One promising approach is the catalytic valorization of glycerol, which converts glycerol into valuable chemicals such as 1,2‐propanediol, lactic acid, and acrolein. The glycerol formed affects the efficiency of the biodiesel, and hence it must be removed. Different processes can convert glycerol to various useful products like glycerol carbonate, glycidol, solketal, lactic acid, and glyceric acid. These different products, the processes used for synthesis, and the various catalysts used have been discussed. The most effective methods for the syntheses, the numerous catalyst systems, mechanisms of the reactions, and applications of these products in different fields are discussed in this review. The paper also discusses the challenges and opportunities of glycerol valorization, including the need for improved catalyst selectivity and activity and the potential for integrating glycerol valorization with other biorefinery processes. Overall, the catalytic valorization of glycerol offers a promising pathway for utilizing this abundantly available resource, and this review provides valuable insights for researchers and practitioners working in this area.

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Section: Glyceric Acidmentioning

confidence: 99%

“…Pt‐based catalysts have been used widely for the oxidation of glycerol [211–215] . They have an advantage over Au catalysts as they are effective in basic, acidic, and neutral media, whereas Au catalysts, can work only in the basic medium [196–198] . Liang et al.…”

Section: Glyceric Acidmentioning

confidence: 99%

Unveiling Cutting Edge Innovations in the Catalytic Valorization of Biodiesel Byproduct Glycerol into Value Added Products

et al. 2023

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Influence of pH on endo- and exo-pectinase production by Aspergillus sp. CH-Y-1043

Aguilar¹,

Trejo²,

García³

et al. 1991

Can. J. Microbiol.

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Aspergillus sp. CH-Y-1043 grown on pectins with various degrees of esterification produces endo- and exo-pectinases at pH values as low as 2.5. Maximal production was attained at this pH, although fungal growth only approximated 50% of that obtained at higher pH values. Endopectinase was produced at pH 2.5–3.5 when the fungus was grown on low degree esterified pectin. With higher degree esterified pectin this enzyme was produced at all pH values analyzed. Exopectinase production was less affected by pH values. Still, maximal production was also reached at pH 2.5–3.5. Exopectinase was found to be associated to the cell and could be released after incubation at different pH values, whereas endo pectinase was not detected in the cellular fraction. Results confirmed by SDS–PAGE coupled with in situ activity assays in pectin–agarose gels allowed the identification of a protein band corresponding to endopectinase and a band with pectin esterase activity. Stability of Aspergillus sp. CH-Y-1043 pectinases at various pH values was also evaluated. Key words: Aspergillus sp. CH-Y-1043, extreme acidic pH pectinase production, in situ pectinase detection, cell-associated exopectinase.

show abstract

Induction of Pectinases in Acrocylindrium

Cited by 2 publications

References 4 publications

Unveiling Cutting Edge Innovations in the Catalytic Valorization of Biodiesel Byproduct Glycerol into Value Added Products

Unveiling Cutting Edge Innovations in the Catalytic Valorization of Biodiesel Byproduct Glycerol into Value Added Products

Influence of pH on endo- and exo-pectinase production by Aspergillus sp. CH-Y-1043

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