Publications by authors named "Daiyi Zheng"

Luteolin-7--glucoside(L7G), a glycosylation product of luteolin, is present in a variety of foods, vegetables, and medicinal herbs and is commonly used in dietary supplements due to its health benefits. Meanwhile, luteolin-7--glucoside is an indicator component for the quality control of honeysuckle in the pharmacopoeia. However, its low content in plants has hindered its use in animal pharmacological studies and clinical practice.

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In this study, a GH78 α-L-rhamnosidase AtRha from Aspergillus terreus CCF3059 was screened and expressed in Pichia pastoris KM71H. The maximum enzyme activity of AtRha was 1000 U/mL after 12 days. AtRha was most active at 65 °C and pH 6.

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A novel β-xylosidase Dt-2286 from Dictyoglomus turgidum was cloned and overexpressed in Escherichia coli BL21 (DE3). Dt-2286 belonging to glycoside hydrolase (GH) family 3 encodes a polypeptide with 762 amino acid residues with a molecular weight of 85.1 kDa.

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