Orange peel dye as well as preparation method and application thereof
A technology of orange peel and dyes, applied in the field of dyes and their uses, can solve the problems of increasing the difficulty of industrial utilization of plant dyes, low recycling rate of orange peel resources, and large limitations of extraction methods, etc., to achieve good dyeing effect, The effect of shortening the ultrasonic time and shortening the extraction time
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Embodiment 1
[0043] Disclosed in this embodiment is a method for preparing orange peel dye, comprising the steps of:
[0044] 1) The orange peel powder is enzymatically hydrolyzed with an aqueous solution containing a compound enzyme to form an enzymolyzed liquid. Wherein, the mass ratio of pectinase, hemicellulase and cellulase in the compound enzyme is 1:1:1; Contain 20mg compound enzyme in every gram of water in the aqueous solution containing compound enzyme; Described orange peel powder and described aqueous solution The mass ratio is 1:10. During enzymolysis, the enzymolysis temperature is 60° C., the enzymolysis time is 30 minutes, and the pH of the enzymolysis solution is 5.
[0045] 2) Ultrasonic treatment of the enzymolysis solution to obtain an ultrasonic extraction solution, the ultrasonic power is 100W, and the ultrasonic time is 7 minutes.
[0046] 3) Centrifuge the ultrasonic extract, use a high-speed centrifuge to centrifuge the ultrasonic extract to separate impurities, ...
Embodiment 2
[0050] Disclosed in this embodiment is a method for preparing orange peel dye, comprising the steps of:
[0051] 1) The orange peel powder is enzymatically hydrolyzed with an aqueous solution containing a compound enzyme to form an enzymolyzed solution. Wherein, the mass ratio of pectinase, hemicellulase and cellulase in the compound enzyme is 2:1:1; Contain 10mg compound enzyme in every gram of water in the aqueous solution containing compound enzyme; Described orange peel powder and described aqueous solution The mass ratio is 1:30. During enzymolysis, the enzymolysis temperature is 40° C., the enzymolysis time is 10 min, and the pH of the enzymolysis solution is 4.
[0052] 2) Ultrasonic treatment of the enzymolysis solution to obtain an ultrasonic extraction solution, the ultrasonic power is 300W, and the ultrasonic time is 3 minutes.
[0053] 3) Centrifuge the ultrasonic extract, use a high-speed centrifuge to centrifuge the ultrasonic extract to separate impurities, an...
Embodiment 3
[0057] Disclosed in this embodiment is a method for preparing orange peel dye, comprising the steps of:
[0058] 1) The orange peel powder is enzymatically hydrolyzed with an aqueous solution containing a compound enzyme to form an enzymolyzed solution. Wherein, the mass ratio of pectinase, hemicellulase and cellulase in the compound enzyme is 3:2:2; Contain 20mg compound enzyme in every gram of water in the aqueous solution containing compound enzyme; Described orange peel powder and described aqueous solution The mass ratio is 1:20. During enzymolysis, the enzymolysis temperature is 50° C., the enzymolysis time is 20 minutes, and the pH of the enzymolysis solution is 5.
[0059] 2) Ultrasonic treatment of the enzymolysis solution to obtain an ultrasonic extraction solution, the ultrasonic power is 200W, and the ultrasonic time is 5 minutes.
[0060]3) Centrifuge the ultrasonic extract, use a high-speed centrifuge to centrifuge the ultrasonic extract to separate impurities,...
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