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A treatment process for peony flower residue after supercritical CO2 extraction

A treatment process, peony flower technology, which is applied in the field of peony flower residue reuse, can solve the problems of low utilization value of cosmetic raw materials, waste of functional ingredients in flower water, and reduced antioxidant capacity, so as to improve resource utilization and anti-oxidation. Ability to improve, avoid the effects of property changes

Active Publication Date: 2018-08-31
HEZE YAO & SHUN PEONY BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this process is that after the obtained peony flower water is distilled, although the aroma components with low boiling points can be distilled out, the antioxidant capacity of the obtained peony flower water is greatly reduced, and the obtained flower water has poor functional effect, and its use value as a cosmetic raw material is not high. It is not easy to make products, so that the functional ingredients in flower water are wasted

Method used

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  • A treatment process for peony flower residue after supercritical CO2 extraction

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Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1 A kind of supercritical CO 2 Processing technology of peony flower residue after extraction

[0027] (1) Subcritical low temperature extraction

[0028] for supercritical CO 2 The extracted peony flower residue is subjected to subcritical low temperature extraction, the extraction agent is dimethyl ether, the weight ratio of the peony flower residue and the extraction agent is 1:2, the extraction temperature is 25 ° C, the pressure is 0.65MPa, the extraction time is 40min, and the extraction The number of times is 6 times, and the evaporation temperature of the recovered solvent is 30 ° C, and dark peony flower water and solid impurities are obtained after extraction;

[0029] (2) Decolorization

[0030] Activated carbon is added to the dark peony flower water obtained in step (1), and the mass ratio of the activated carbon to the dark peony flower water is 3:100, and the decolorization is performed twice for 30min each time;

[0031] (3) Filtration

...

Embodiment 2

[0041] Embodiment 2 A kind of supercritical CO 2 Processing technology of peony flower residue after extraction

[0042] (1) Subcritical low temperature extraction

[0043] for supercritical CO 2 The extracted peony flower residue is subjected to subcritical low temperature extraction, the extraction agent is dimethyl ether, the weight ratio of the peony flower residue to the extraction agent is 1:1.5, the extraction temperature is 40 ° C, the pressure is 0.75MPa, the extraction time is 40min, and the extraction The number of times is 5 times, and the evaporation temperature of the recovered solvent is 40 ° C, and dark peony flower water and solid impurities are obtained after extraction;

[0044] (2) Decolorization

[0045] Activated carbon is added to the dark peony flower water obtained in step (1), and the mass ratio of the activated carbon to the dark peony flower water is 2:100, and decolorization is performed twice for 30min each time;

[0046] (3) Filtration

[00...

Embodiment 3

[0056] Embodiment 3 A kind of supercritical CO 2 Processing technology of peony flower residue after extraction

[0057] (1) Subcritical low temperature extraction

[0058] for supercritical CO 2 The extracted peony flower residue is subjected to subcritical low temperature extraction, the extraction agent is dimethyl ether, the weight ratio of the peony flower residue to the extraction agent is 1:3, the extraction temperature is 22° C., the pressure is 0.45MPa, and the extraction time is 50min. The number of times is 7 times, and the evaporation temperature of the recovered solvent is 25 ° C, and the dark peony flower water and solid impurities are obtained after extraction;

[0059] (2) Decolorization

[0060] Activated carbon is added to the dark peony flower water obtained in step (1), and the mass ratio of the activated carbon to the dark peony flower water is 4:100, and decolorization is performed twice for 30min each time;

[0061] (3) Filtration

[0062] The peony...

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Abstract

The invention relates to a treatment process for peony residues after supercritical CO2 extraction. The treatment process includes the specific steps that firstly, subcritical low-temperature extraction is performed, and an extraction agent is dimethyl ether; secondly, decolorizing is performed, and activated carbon is used for performing decolorizing; thirdly, filtration is performed; and fourthly, treatment of solid impurities is performed. According to the treatment process, a subcritical extraction device is adopted for performing extraction, the extraction temperature is low, property changes caused by high temperature extraction are avoided, pressure is low, and the pressure resistant requirement for a material of extraction equipment is low; and peony water is extracted from the peony residues through the process, the yield of the peony water can reach 75%. The treatment process is high in yield, the solid impurities in the later period can be used as base fertilizer, the base fertilizer can provided sufficient nutrients for peonies and also has an early-stage weeding function, and the treatment process meets the environmental protection requirement and increases the resource utilizing rate.

Description

technical field [0001] The present invention relates to a kind of supercritical CO 2 The invention discloses a process for treating peony flower slag after extraction, belonging to the technical field of peony flower slag recycling. Background technique [0002] With the rapid advancement of peony industrialization, the use of supercritical CO 2 The extraction technology is more and more widely used in the treatment of peony flowers, and the peony flower residues after extraction are often discarded directly, which not only brings about environmental pollution, but also causes waste of resources. The water content of peony petals can reach 92%, and the use of supercritical CO 2 The peony flower water extracted by the extraction technology is only 8%, so the peony flower residue still contains a lot of peony flower water and has not been extracted. [0003] The invention application with the publication number of CN1040874244A discloses a method for one-step extraction of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02C05F15/00C11B9/02
CPCB01D11/0203C05F1/00C11B9/025C05F1/005C05F3/00C05F5/002C05F11/00C05F11/08C05F17/00Y02P20/54
Inventor 杨叶刘俊民毛文岳余洪智吴震生张果敬
Owner HEZE YAO & SHUN PEONY BIOTECH
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