Glycyrrhizic acid comes from the roots and rhizomes of licorice, a leguminous plant, and is the most important active ingredient in licorice, with an content of about 10%.
Glycyrrhizic acid, also known as glycyrrhizin and glycyrrhizin, is a glycoside composed of glycyrrhetinic acid and 2 molecules of glucuronic acid.White to yellowish crystalline powder, odorless, with a specific sweet taste, about 200 times as sweet as sucrose.Its sweetness is different from that of other sweeteners such as sucrose. It takes a little while to taste the sweetener, but its retention time is long.A small amount of glycyrrhiza and sucrose can be used less than 20% sucrose and the sweetness remains the same.
Although it has no aroma, it has the effect of enhancing aroma. The aqueous solution is weakly acidic and the pH value of 2% solution is 2.5~3.5.Insoluble in water, dilute ethanol.Soluble in hot water, after cooling a sticky jelly.Glycyrrhizin is triterpenoid saponin.In addition, there are glycyrrhizins, isoglycyrrhizins and so on.
Glycyrrhizasp., a leguminous plant, is an important ingredient in traditional Chinese medicine.
1. Liquorice root could help enhance the transformation and transportation functions of the spleen and stomach.
2. Since the spleen dominates muscles and the liver controls tendons, liquorice root has excellent properties to relieve pain and cramps of smooth or skeletal muscles.
3. Liquorice root also moistens the lungs and stops coughs. It treats disorders such as shortness of breath, fatigue, sallow facial appearance, decreased food intake, loose stools, and diarrhea.
4. Its neutral property treats coughing and wheezing of various etiologies that stems from either cold or heat, and deficiencies of excess, with or without phlegm.
5. Liquorice root can also be used to clear heat and toxins; it is useful to treat poisoning due to foods, herbs, herbicides, pesticides, drugs and heavy metals.
6. Liquorice root has also been reported to speed the healing of canker sores.
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Item | Specification | Result |
Assay | Glycyrrhizic acid | 98% |
Appearance | White powder | conforms |
Odor | Characteristic | conforms |
Taste | Characteristic | conforms |
Particle Size | NLT 100% Through 80 mesh | conforms |
Loss on Drying | <2.0% | 0.47% |
Heavy metals | ||
Total Heavy Metals | ≤10ppm | conforms |
Arseni | ≤3ppm | conforms |
Lead | ≤3ppm | conforms |
Microbiological Tests | ||
Total Plate Count | ≤1000cfu/g | conforms |
Total Yeast & Mold | ≤100cfu/g | conforms |
E.Coli | Negative | Negative |
Salmonella | Negative | Negative |
Glycyrrhizic acid is the active principle of liquorice root. Glycyrrhizic acid is a powerful sweetener,3050 times as potent as sucrose (table sugar).
Chemically, glycyrrhizic acid is a triterpenoid saponin glycoside being either the Ca2+ or K+ salt of glycyrrhizic (or glycyrrhizinic) acid. Upon hydrolysis, the glycoside loses its sweet taste and is converted to the aglycone glycyrrhetinic acid plus two molecules of glucuronic acid. The glycyrrhizic acid form is not particularly water soluble, but its ammonium salt is soluble in water at pH greater than 4.5.
Although sweet, the taste of glycyrrhizic acid is different from that of sugar. The sweetness of glycyrrhizic acid has a slower onset than sugar, and lingers in the mouth for some time. Additionally, its characteristic licorice flavor makes it unsuitable as a direct flavor substitute for sugar. Unlike the artificial sweetener aspartame, glycyrrhizic acid maintains its sweetness under heating.
1. It is a high-sweet, low-calorie health sweetener with a sweetness of about 250 times that of sucrose; it can be added to food, beverage, candy industry as a sweetener, and can also be used in yellow or brown food. In the beverage, it also doubles as a natural pigment.
2.Cosmetics and cigarette industry: can prevent dermatitis, dry skin, sun, rash, throat and so on.
3. Licorice extract can activate corticosteroids (inhibition of metabolic enzymes) and indirectly enhance the action of corticosteroids. It can be used in all cosmetics such as cream, cream, water, lotion, lotion, milk and honey. It can neutralize or release or reduce the toxic substances of cosmetics, and can also prevent allergic reactions of some cosmetics, and is more suitable for advanced hair or skin cosmetics.
4. licorice flavonoids have a mild inhibitory effect on tyrosinase, and licorice extract has been proven to be the most effective plant whitening agent.
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