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Ethanol and hydrochloric acid extraction method for anthocyanin in aged purple chrysanthemum flower pedals

A technology of petal anthocyanins and purple chrysanthemum, which is applied in the field of ethanol hydrochloric acid extraction of anthocyanins from purple chrysanthemum petals after aging, can solve the problems of poor extraction effect and achieve the effect of improved extraction effect

Active Publication Date: 2016-06-15
HENAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in a follow-up study, it was found that after the purple chrysanthemum petals were placed for 3 months (chrysanthemum after aging), the extraction effect of anthocyanins became worse when referring to the aforementioned process conditions.

Method used

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  • Ethanol and hydrochloric acid extraction method for anthocyanin in aged purple chrysanthemum flower pedals

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] This embodiment is to test the purple chrysanthemum variety 'Quanxiangshanjing'. The specific adjustment method is: the fresh purple chrysanthemum petals harvested in autumn are dried naturally in a ventilated place indoors, and then aged in a dark and dry place for 3 months, and then aged The final purple chrysanthemum petals were mixed with ethanol solution and hydrochloric acid solution, and then extracted at 50°C for 24 hours. The volume fraction of ethanol in the ethanol solution was 90%, the molar concentration of hydrochloric acid solution was 0.5mol / L, and The volume ratio of the solution to the hydrochloric acid solution is 1:2, and the volume of the extract corresponding to 1 g of aged purple chrysanthemum petals is 50 mL.

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Abstract

The invention discloses an ethanol and hydrochloric acid extraction method for anthocyanin in aged purple chrysanthemum flower pedals, and belongs to the technical field of plant anthocyanin extraction methods. According to the technical scheme, the method is characterized by comprising the steps that the fresh purple chrysanthemum flower pedals harvested in autumn are naturally air-dried at indoor ventilation positions, and then placed at dark and dry positions to be aged for 3 months, and then the aged purple chrysanthemum flower pedals and an extracting solution formed by an ethanol solution and a hydrochloric acid solution are evenly mixed and subjected to extraction for 24 h at the temperature of 50 DEG C, wherein the volume fraction of ethanol in the ethanol solution is 90%, the molar concentration of the hydrochloric acid solution is 0.5 mol / L, the volume ratio of the ethanol solution to the hydrochloric acid solution is 1:2, and the volume of the extracting solution corresponding to 1 g of the aged purple chrysanthemum flower pedals is 50 mL. Compared with an original scheme, the concentration of the ethanol solution, the concentration of the hydrochloric acid solution and the extracting temperature are increased, and the anthocyanin extracting effect of the aged purple chrysanthemum flower pedals is obviously improved.

Description

technical field [0001] The invention belongs to the technical field of extraction methods of plant anthocyanins, and in particular relates to an ethanol hydrochloric acid extraction method of anthocyanins from purple chrysanthemum petals after aging. Background technique [0002] Anthocyanins, also known as anthocyanins, are natural food pigments that can remove excess free radicals in the human body, can cross the blood-brain barrier and directly protect the central nervous system of the brain, and have anti-radiation, anti-ultraviolet, anti-mutation and anti-aging Tumor, prevention of cardiovascular disease, relief of visual fatigue and other functions. Therefore, the research on extracting anthocyanins from plants has attracted people's attention day by day. [0003] Chrysanthemum (Dendranthema morifolium Ramat.) is a herbaceous plant with perennial roots of the genus Chrysanthemum in the family Asteraceae. The petals can be used for viewing, or directly used for tea, me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D311/62C09B61/00
CPCC07D311/62C09B61/00
Inventor 刘海英邢晨涛房静职丽娟王丽
Owner HENAN NORMAL UNIV