Gallnut extract is extracted from gallnut. Gallnut is a gall on the leaves of Rhus chinensis, Populus chinensis or Populus rubrum, which is mainly formed by the parasitism of gallnut aphids. According to different appearances, it is divided into "belly gall" and "horn gall". The main producing areas of gallnut in my country are Sichuan, Guizhou, Yunnan, Hubei, Shaanxi and other provinces.
The main components of gallnut extract: the main component is tannic acid, the content can reach 50%-70%, and it also contains gallic acid, ellagic acid, gallnut polysaccharide and other components.
The effect of gallnut extract
Astringent and antidiarrheal: Tannic acid and other components in gallnut extract can combine with protein to form a protective film on the surface of intestinal mucosa, reduce the stimulation of intestinal mucosa, and inhibit intestinal peristalsis, thereby playing the role of astringent and antidiarrheal, and can be used to treat diarrhea caused by various reasons.
Hemostasis: It can cause local blood vessels to contract and promote blood coagulation. It can also achieve the effect of hemostasis by combining with the protein on the wound surface to form a layer of insoluble protein film. It can be used to treat various bleeding symptoms such as hemoptysis, hematemesis, bloody stool, metrorrhagia, etc.
Antibacterial and anti-inflammatory: It has a significant inhibitory effect on various bacteria and fungi such as Staphylococcus aureus, Escherichia coli, and Candida albicans. Its antibacterial mechanism may be related to the coagulation of bacterial protein and interference with bacterial metabolism by components such as tannic acid. It can be used to treat skin infections, oral inflammation, respiratory tract infections and other inflammatory diseases.
Antioxidant: Ingredients such as gallic acid and ellagic acid have strong antioxidant capacity, which can remove free radicals in the body, reduce oxidative damage, and reduce the risk of oxidative stress-related diseases such as cardiovascular disease and cancer. It also helps to delay aging.
Lung astringent and fire-reducing: In traditional Chinese medicine theory, gallnut extract has the effect of astringing the lungs and reducing fire. It can be used to treat chronic cough due to lung deficiency and cough due to lung heat, etc., and relieve cough symptoms by astringing lung qi and clearing lung fire.
Solidify sperm and stop nocturnal emission: It helps to enhance the kidney's solidifying function, and has a certain therapeutic effect on nocturnal emission and spermatorrhea caused by kidney deficiency, and can reduce the leakage of semen through astringent effect.
Application of Galla Chinensis Extract
Medical Field
Chinese Patent Medicine: It is an important raw material for many Chinese patent medicines, such as Galla Chinensis Powder and Jinsuo Gujing Pills, which are used to treat diarrhea, bleeding, nocturnal emission and other diseases.
External preparations: It can be made into ointments, lotions, suppositories and other external preparations for the treatment of skin ulcers, eczema, hemorrhoids, etc., using its astringent, antibacterial and anti-inflammatory effects to promote wound healing and reduce inflammatory reactions.
Oral care products: Adding it to oral care products such as toothpaste and mouthwash can help prevent and treat oral diseases such as gingivitis, periodontitis, and oral ulcers, and use its antibacterial, anti-inflammatory and astringent effects to reduce oral inflammation and promote oral mucosal repair.
Food field
Food preservatives: Due to its antibacterial and antioxidant effects, it can be used as a natural food preservative for the preservation of meat, fruits, vegetables and other foods, extending the shelf life of food and maintaining the quality and taste of food.
Winemaking industry: Adding gallnut extract during the winemaking process helps to clarify the wine, prevent the wine from becoming rancid, and also give the wine a unique flavor.
Cosmetics field
Skin care products: Added to skin care products such as creams, lotions, and masks, using its astringent and antioxidant effects, it can shrink pores, tighten the skin, reduce free radical damage to the skin, prevent skin aging, and improve the skin's oil secretion. It is suitable for people with oily skin and those with large pores.
Hair care products: Used in shampoo, conditioner and other products, it can nourish the hair, improve the hair's gloss and elasticity, and has a certain antibacterial and anti-inflammatory effect on the scalp, which can prevent and treat problems such as scalp itching and dandruff.
Other fields
Dyeing and printing industry: Tannic acid in gallnut extract can be used as a mordant for dyeing silk, wool and other fabrics, which can improve the adhesion and dyeing effect of dyes, making the colors more vivid and lasting.
Leather industry: It is used as a tanning agent in the leather tanning process, combining with the protein in the leather to make the leather soft and tough, and improve the quality and durability of the leather.
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