Subcritical fluid extraction process for capsorubin
A subcritical fluid, capsanthin technology, applied in organic chemistry, azo dyes, organic dyes, etc., can solve the problems of odorous solvents, inability to achieve mass production scale, and high cost, achieve high extraction efficiency, and avoid heat-sensitive components. The effect of destruction and high color price
Inactive Publication Date: 2021-08-06
AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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[0004] The purpose of the present invention is to provide a subcritical fluid extraction process for capsanthin, which solves the problem that existing capsanthin extraction methods mainly include oil-soluble method, organic solvent method, microwave-assisted extraction method, ultrasonic-assisted extraction method, and enzyme-assisted extraction method. method, subcritical fluid extraction, supercritical CO 2 Fluid extraction, etc.
Solvent extraction reagents are seriously polluted and have peculiar smell and solvent residues. Ultrasonic and microwave extraction as solvent-assisted means are currently mostly in the laboratory stage and cannot reach mass production scale. The equipment for supercritical fluid extraction must withstand high pressure, so the design complex and costly problems
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0024] see figure 1 , a subcritical fluid extraction capsanthin process, comprising the following steps of the subcritical fluid extraction capsanthin process:
[0025] S101 Hot air drying: Dry the peppers with hot air to control their moisture; the temperature of S101 hot air drying should be kept above 70°C, and the drying time should be 4 hours, and the moisture of peppers in S101 hot air drying should be controlled at about 2%;
[0026] S102 Grinding and filtering: the chili powder is crushed by a pulverizer and filtered; the fineness of the chili powder after S102 crushing and filtering should be less than 20 mesh;
[0027] S103 Weighing and placement: Weigh an...
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The invention discloses a subcritical fluid extraction process for capsorubin. The subcritical fluid extraction process for capsorubin comprises the following steps: S101, hot air drying; S102, crushing and filtering; S103, weighing and placing; S104, extracting and sealing; S105, vacuumizing and solvent guiding; S106, separation of a solution; S107, recovery under reduced pressure; S108, recycling; S109, storing at low temperature; and S110, measuring and calculating: measuring absorbance by adopting an ultraviolet and visible spectrophotometer, and calculating a color value and yield. Compared with other extraction processes, the subcritical fluid extraction process and an ultrasonic-assisted method are high in extraction efficiency, and the extracted capsorubin is high in color value; the process is mainly characterized in that the subcritical fluid extraction technology fully utilizes the molecular diffusion effect of subcritical-state n-butane molecules and chili powder, so capsorubin extraction is relatively complete; and the process is carried out at room temperature or low temperature, so heat-sensitive components in materials are prevented from being damaged.
Description
technical field [0001] The invention relates to the technical field of extracting capsanthin, in particular to a subcritical fluid extraction process for capsanthin. Background technique [0002] Capsanthin is a red pigment that can be used according to the national standard GB2760-86. It was listed as one of the key natural pigments for development as early as the "Seventh Five-Year Plan". Capsanthin is also currently the best red pigment recognized internationally, and is listed as a class A food coloring by the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO), and it is not limited in use. As a natural red pigment, capsanthin has high physiological activity. It is widely used in food, beverage, health care medicine, Cosmetics and other fields. Therefore, optimizing the extraction process of capsanthin can not only increase the added value of pepper, but also promote the industrial production of deep processing. [00...
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IPC IPC(8): C07C45/78C09B61/00C09B67/54
CPCC07C45/78C09B61/00C09B67/0096C07C2601/08C07C2601/16
Inventor 王飞李甜甜李特林意雯李积华李如一李昆太
Owner AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI