Chlorogenic acid is the highest content of polyphenol-type compounds in Artichoke's leaves, and the content accounts for more than 60%of the total polyphenols. The highest chlorogenic acid content per kilogram of dry leaves can reach up to 10 g, and it can even be compared with the content of the main source of chlorogenic acid the content of honeysuckle. It is an important source of chlorogenic acids such as honeysuckle, Du Zhong, and sunflower seeds.
What is chlorogenic acid?
Chlorogenic acid is a coffee Quini acid compound. It has a variety of physiological functions such as anti-inflammatory, antibacterial, removing free radicals, inhibiting low-density lipoprotein oxidation, preservation of liver and biliary, and antioxidant. Green acidic acid will also have good prospects in anti-AIDS and diabetic treatment. Because of the effect of clearing heat and detoxifying, it has made it the main effective ingredient of much Chinese medicine. Greenland acid is not only widely used in the field of the pharmaceutical industry, but also in terms of food and daily chemical industry. Greenland acid is mostly extracted from honeysuckle, eucommia leaves and skin, sunflowers, and coffee beans.
How to extract chillic acid from Artichoke?
(1) Remove the diseased leaves and yellow leaves from fresh leaves. After cutting, take 100 g of the tissue to smash the tissue. Press 1: 2 to add a different extract agent uniformly. Each process is repeated 5 times.
(2) Dry leaves extraction. The hydrochloric acid solution, 70%ethanol, and water of 0.05 and 0.1 mol/L were used as extractants, respectively. Called 100 g of dry powder with leaves, add an extracting agent with a solid-fluid ratio of 1: 12 and 1: 5 points, respectively. At room temperature, magnetic mixing and 45 ° C water bath. Each test is repeated twice, and the result is the average.
(3) Fresh sample treatment method. The hydrochloride solution with different concentrations of 0.01, 0.025, 0.05, and 0.1 mol/L; the organic solution is 95%ethanol. Boiling water treatment is 40, 60, and 90 s. Microwave treatment uses household microwave oven high fire treatment 8 and 4 min. High-temperature treatment is 80 ° C for 20 min.
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