Views: 18 Author: Site Editor Publish Time: 2023-03-03 Origin: Site
Yeast glucan is a polysaccharide compound extracted from the cell wall of yeast, which is composed of glucose molecules linked by β-1, 3-glucosyl and β-1, 6-glucosyl bonds. It has many physiological functions, such as strengthening the immune system, promoting intestinal health, antioxidation, etc., and is widely used as an auxiliary therapeutic component of health products and drugs.
Oat glucan is a polysaccharide compound extracted from oats, which is composed of glucose molecules linked by β-1, 3-glucosyl and β- 1,4-glucosyl bond. It is believed to have a variety of health effects, including regulating blood sugar, cholesterol, and promoting intestinal health. Oat glucan is also widely used in the food industry as a natural thickener, emulsifier and stabilizer.
Yeast glucan and oat glucan both are polysaccharide compounds with a variety of biological activities and functions, such as enhancing immunity, antioxidation, anti-tumor, etc. Their chemical structure and characteristics are as follows:
Yeast glucan is a polysaccharide composed of beta-glucan molecular chains on which the glucose units are connected by 1-3 and 1-6 bonds.
Yeast glucan has many biological activities such as enhancing immunity, anti-tumor, anti-virus, etc. It can enhance the body's immunity by activating immune cells, such as macrophages, T cells and NK cells; At the same time, it can also directly inhibit the growth and proliferation of tumor cells, and is expected to become a new type of anti-tumor drug.
Oat glucan is a polysaccharide composed of beta-glucan molecular chains on which the glucose units are connected by 1-4 and 1-3 bonds.
Oat glucan has antioxidant, blood sugar regulation, cardiovascular protection and other biological activities. It can reduce the damage caused by oxidative stress by inhibiting the production and scavenging of free radicals. It can also lower blood sugar and cholesterol levels and prevent cardiovascular disease. In addition, oat glucan has excellent moisturizing properties and is widely used in cosmetics and personal care products.
The main source of yeast glucan is Saccharomyces cerevisiae, which is a single-celled fungus widely existing in the natural environment and a common food starter.
The extraction method of yeast glucan usually includes the following steps:
1. Culture and harvest of yeast. The yeast is cultured in a suitable medium. After it grows to a certain stage, the yeast is separated and harvested by centrifugation.
2. The breaking and extraction of bacteria. The harvested yeast cell is broken to release glucan and other components, and then extracted with appropriate solvent.
3. Separation and purification. Dextran was separated from other components by precipitation, filtration, centrifugation, column chromatography and other methods to finally obtain yeast glucan with high purity.
4. Drying and granulation. The obtained yeast glucan is dried and granulated to obtain the finished product.
Among them, the production and quality of yeast glucan will be affected by the operating conditions of the steps such as the cultivation and harvest of yeast and the breaking and extraction of yeast. Modern preparation methods mostly use microbial fermentation, supercritical extraction and other technologies to improve the yield and purity, while reducing the impact on the environment.
The main sources of oat glucan are oat germ, oat shell and oat bran, among which the content of oat germ is the highest.
The extraction method of oat glucan is generally divided into the following steps:
1. Treatment of oatmeal material: clean the oatmeal material, remove impurities and residues, and then grind it into powder.
2. Extraction of oat glucan: add oat powder into appropriate amount of water, extract, filter and concentrate under certain conditions to obtain the extract of oat glucan.
3. Purification of oat glucan: The impurities and other components in the extract of oat glucan are separated and removed by centrifugation, ultrafiltration, acid ion exchange and gel filtration to obtain a more pure oat glucan.
4. Drying of oat glucan: dry oat glucan solution to obtain oat glucan powder.
In general, the preparation method of oat glucan is relatively simple, but certain conditions and parameters need to be controlled during the extraction and purification process to ensure the quality and stability of oat glucan. At the same time, the oat glucan content and quality of different oat materials will also vary, which needs to be selected and optimized according to the specific situation.
Yeast glucan is a natural polysaccharide with a variety of nutritional components and effects.
The main composition of yeast glucan is β- Dextran, followed by α- Dextran, glucose, etc.
Yeast glucan contains a variety of amino acids and a small amount of protein.
Yeast glucan contains multiple trace elements, such as zinc, iron, calcium, copper, etc.
Yeast glucan has antioxidant effect, can remove free radicals and protect cells from oxidative damage.
Yeast glucan can enhance human immunity, regulate the function of immune system, and help prevent and treat many diseases.
Yeast glucan can inhibit inflammatory reaction and relieve inflammatory symptoms.
Yeast glucan can reduce the levels of total cholesterol, low density lipoprotein cholesterol and triacylglycerol in serum, and has a certain role in preventing cardiovascular disease.
To sum up, yeast glucan has a variety of nutritional components and functions, and can be used as a natural health product and food additive, with a broad application prospect.
Oat glucan is a natural polysaccharide, containing a variety of nutrients and bioactive ingredients, mainly including the following aspects:
Oat glucan is rich in monosaccharide such as glucose and fructose, as well as a variety of carbohydrates such as short-chain oligosaccharides and long-chain polysaccharides.
Oat glucan is rich in vitamin B group and minerals, such as vitamin B1, B2, B6, calcium, iron, zinc, etc.
Oat glucan also contains a variety of bioactive ingredients, such as β- Glucanase and polyphenols, etc.
Oat glucan can promote the growth and metabolism of beneficial bacteria, inhibit the reproduction of harmful bacteria, and improve the balance of intestinal microorganisms.
Oat glucan can prevent and treat diabetes and cardiovascular diseases by inhibiting the absorption of sugars and fats in the intestine, reducing blood sugar and cholesterol levels.
Oat glucan can enhance the immune function of the body, promote the production and activity of white blood cells, and prevent and treat diseases related to the immune system.
Oat glucan can protect liver health, prevent and treat liver diseases by reducing blood lipids, antioxidation and anti-inflammatory effects.
In short, oat glucan is a natural polysaccharide with a variety of nutrients and bioactive ingredients, and has a variety of health effects. It can be used as health food, functional food and medicine.
Yeast glucan has a variety of health effects, and has application prospects in health care, medical treatment and cosmetics. The following are the health applications of yeast glucan:
Yeast glucan can enhance the immunity of the body by activating immune cells such as macrophages, NK cells and T cells, and plays an important role in the prevention and treatment of viral infection, cancer, allergy and other diseases.
Yeast glucan can promote the growth and reproduction of intestinal beneficial bacteria and inhibit the proliferation of harmful bacteria, thus improving the structure of intestinal flora, and helping to prevent and treat intestinal diseases and metabolic diseases.
Yeast glucan can reduce blood lipid and blood sugar levels, prevent and treat cardiovascular diseases, diabetes and other metabolic diseases.
Yeast glucan has anti-inflammatory and anti-oxidant effects, can reduce inflammatory reaction and oxidative stress, and prevent and treat diseases related to chronic inflammation and oxidative stress.
Yeast glucan can be used as a food additive to enhance the nutritional value and taste of food, and also contribute to improving the intestinal flora, reducing blood lipids and blood sugar.
Oat glucan has a variety of health effects, and has application prospects in health care, medical treatment and cosmetics. The following are the health applications of oat glucan:
Oat glucan can be used as a functional component in health food. It can regulate intestinal flora, reduce blood sugar and cholesterol, enhance immunity, prevent liver disease, and help maintain health.
Oat glucan can be used as a drug raw material to treat diabetes, cardiovascular disease, liver disease and other aspects, with good pharmacological activity and biological characteristics.
Oat glucan can be used as a natural moisturizing agent, antioxidant, anti-inflammatory agent and other functional ingredients in cosmetics, which can enhance skin moisture and gloss, and reduce the generation of fine lines and wrinkles.
Oat glucan can also be used as a variety of functional additives in the fields of food, medicine and chemical industry, with thickening, emulsification, stability and other characteristics, and can be widely used in food, beverage, cosmetics, medicine and other industries.
Although yeast glucan and oat glucan have different sources and extraction methods, they have similarities in chemical structure and some functions, mainly in the following aspects:
The chemical structure of yeast glucan and oat glucan are polysaccharides composed of glucose molecules. These polysaccharides have similarities in chemical properties and biological activities.
Yeast glucan and oat glucan have immunomodulatory effect, which can stimulate the immune system to produce antibodies, promote the activation and proliferation of macrophages, T cells and other immune cells, and enhance immunity.
Yeast glucan and oat glucan can promote the growth and reproduction of intestinal beneficial bacteria, inhibit the proliferation of harmful bacteria, and improve the structure of intestinal flora, thus having the effect of regulating intestinal flora.
Yeast glucan and oat glucan have certain antioxidant effects, which can reduce oxidative stress and inflammatory reaction, and prevent and treat related diseases.
Yeast glucan and oat glucan can be used as food additives to increase the nutritional value and taste of food, and also play a certain role in improving intestinal flora, reducing blood lipids and blood sugar.
Although there are similarities between yeast glucan and oat glucan, there are still differences in some aspects, mainly in the following aspects:
Yeast glucan is derived from yeast, and is usually prepared by hydrolysis, ion exchange, filtration and other methods; Oat glucan is derived from oat grain and prepared by water extraction, enzymatic hydrolysis, purification and other methods.
Although both are connected by glucose molecules, yeast glucan is usually connected by beta-1,3-bond, and its molecular structure is relatively straight chain, while oat glucan is mainly connected by beta-1,4-bond, and its molecular structure is relatively branched.
Although yeast glucan and oat glucan have the functions of regulating the immune system, promoting intestinal health and antioxidation, their main functions are slightly different. Yeast glucan is more prominent in its role in regulating the immune system and improving immunity, while oat glucan is more prominent in its role in regulating intestinal flora and lowering cholesterol.
Because of their different roles, there are also some differences in the application field. Yeast glucan is mainly used in the fields of health products, drugs and medical devices, while oat glucan is mainly used in the fields of food additives, cosmetics, personal care products, etc.
As representatives of biological polysaccharides, yeast glucan and oat glucan have important application prospects and health value. They have a wide range of biological activities and medical value, and have been widely studied and applied in health care, food, cosmetics, agriculture and other fields.
Studies have shown that yeast glucan and oat glucan can improve human immunity, antioxidation, regulate intestinal flora, reduce cholesterol, anti-tumor and other biological activities. It has broad application prospects in the fields of health care products, medicine, cosmetics and agriculture. For example, in the field of health products, yeast glucan can be used to strengthen human immunity, prevent and treat cancer, infectious diseases, etc; Oat glucan can be used to improve intestinal flora, reduce cholesterol, prevent and treat diabetes, etc. In the field of medicine, yeast glucan can be used as an adjuvant in tumor immunotherapy to improve the effect of tumor therapy; Oat glucan can be used as a drug raw material to treat inflammatory bowel disease and prevent cardiovascular disease. In the field of cosmetics, yeast glucan and oat glucan can be used for beauty, skin care and sunscreen. In agriculture, oat glucan can be used as animal feed additive to improve animal health and production performance.
Therefore, yeast glucan and oat glucan, as biological polysaccharides with extensive biological activities and application prospects, have attracted more and more attention and research, and will have a broader application prospect and development space in the future.
