An article will give you an overview of chito-oligosaccharides

Chitosan oligosaccharides are also known as oligosaccharides, agricultural amino oligosaccharides, oligosaccharides, chitosan oligosaccharides. Because of its good water solubility, easy absorption and unique function, it is widely used in agriculture, biological engineering and many other fields

With the continuous development of glycobiology in recent years, chitin, chitosan and chitosaccharide have been discovered one after another, so what is the relationship between the three?

● chitin：Light beige to white, soluble in concentrated hydrochloric acid/phosphoric acid/sulfuric acid/acetic acid, insoluble in alkali and other organic solvents, insoluble in water. Chitosan derivatives Chitosan is insoluble in water, but soluble in some dilute acids.

By chemically treating the chitin and removing its acetyl group, it becomes chitosan

● chitosan Chitosan is made of chitin as raw material and refined again. It is insoluble in water but soluble in dilute acid and can be absorbed by the human body. Chitosan is a primary derivative of chitin. Its chemical structure is cationic alkaline polysaccharide polymer, and has unique physical and chemical properties and biological activation properties.

It is soluble in dilute acids, but chitin and chitosan are large molecules,molecule weight ranging in the hundreds of thousands to millions, and are insoluble in water. Chitin is deacetylated to get chitosan, and then further degraded to become chitosan oligosaccharide.

●chitosan oligosaccharide Chito-oligosaccharides are oligosaccharides with a polymerization degree of 2-20 and a molecular weight of less than or equal to 3200Da. Chito-oligosaccharides are low-molecular weight products with good water solubility, great function and high biological activity, which are degraded by special biological enzyme technology (also reported by chemical degradation and microwave degradation technology). It has many unique functions, such as higher solubility than chitosan, full solubility in water, easy to be absorbed and used by organisms, and its effect is 14 times better that of chitosan.

It's a mixture of monosaccharides all the way up to decosaccharides, each of which has a function. Directly soluble in water, water solubility is greater than 99%.Simply put, Chito-oligosaccharides are oligosaccharides obtained by degrading chitin or chitosan, which is an upgrade of chitin and chitosan products! Low molecular weight, good water solubility, function, easy to be absorbed.In the application of chitosan oligosaccharide in agricultural production, it can not only make crops grow well, plants are strong and photosynthesis is enhanced, but also show obvious effects in the aspects of stress resistance, disease resistance and insect pests, so it has a stable and significant effect of increasing income.

In agriculture, Chito-oligosaccharides can be used as plant growth regulator, improve crop yield, and also as soil improtant. In particular, it has become a hot research area in the suppression of plant diseases. A large number of studies have shown that Chito-oligosaccharides can induce plants to produce broad-spectrum resistance, enhance plant's own defense capabilities, inhibit the growth of a variety of plant pathogenic microorganism, and its non-toxic and can for microbial degradation, won't produce pollution to the environment, making it as a new type of green pesticides play an important role in agricultural production.

Chito-oligosaccharides have wide adaptability to plants, good affinity, no toxicity, no side effects, no harmless to human and livestock, and can be biodegraded. It is not compact in soil, and can be slowly degraded into small carbohydrate, which is harmless to the environment. It is an excellent pure natural ecological agent.        

1.Promote root growth

It helps plant seeds germinate earlier. Root system developed, root hair, fibrous roots, secondary root number increased greatly, root is the root of the plant, the root of the plant developed, will enhance the plant's ability to absorb fertilizer and water, enhance drought resistance, resistance to lodging, enhance immunity, to achieve the purpose of robust and fruitful.

2. Activated plant root state

Chito-oligosaccharides can fully activate the plant root state, dissolve nutrient molecules, rapidly form soil solution, so that nitrogen, phosphorus, potassium and other nutrients can be fully and effectively absorbed by plants

3. Shorten the branches and thicken them

research found that Chito-oligosaccharides has the function of regulating plant development is a natural plant growth regulator, can promote stems, roots, shorten the branches and thicken them, to maximize nutrient supply fruit, including trace elements under the chelating and easily absorbed by the fruit, increase the content of protein, amino acids, fundamentally improve the quality.

4.have strong capacity of eliminate bacteria

Chitosan oligosaccharides can protect the normal development of seeds instead of seed dressing agents. Used for seed storage, can reduce the seed processing, economical. Studies have shown that chitosan oligosaccharides and their degradation products have strong bactericidal effects on soil and seeds, and can strongly inhibit harmful fungi.

5.improve soil

Using chito-oligosaccharides as additive, beneficial bacteria such as actinomycetes increased by 1 000 times, harmful bacteria such as fusarium and nematodes decreased significantly, soil fertilizer supply capacity was enhanced, soil compaction was fundamentally improved, soil organic matter content was increased, and continuous cropping was facilitated.

6. improve the quality of crops and increase yield

chito-oligosaccharides can improve crop yield, improve crop quality, restore its natural flavor, resist storage and transportation, and reduce pesticide residues. It can be exported through green channel.

7. improve fertilizer effect

chito-oligosaccharides It has the characteristics of thick solution and easy film formation.Its good film-forming function, can delay the release of fertilizer elements, decrease the loss of nutrients and greatly improve the fertilizer effect, this can fundamentally solve the waste of fertilizer, save money, protect the environment and are beneficial to human health, chito-oligosaccharide and cellulose blend membrane, can greatly increase the mechanical strength of membrane, using the characteristics of chitosan film easily available for seed coating material.

8. improve immune ability

Chito-oligosaccharide is known as "plant vaccine", which shows its effect on crops. Chito-oligosaccharide preparation can make the plant antimicrobial and antiviral ability enhancement, change the mechanism of plant growth, enhance the immunity of the control system, so as to ensure the normal growth and development of plants, with chitosan and can reduce the incidence and disease index of soybean root rot obviously, control effect can arrive 42.6% ~ 46.9%, and at the same time can promote the growth of soybean roots, grain number and grain weight increase, The increase was 11.7%high.

Chito-oligosaccharide is a natural plant nutrition and growth agent - foliar fertilizer raw material,The foliar fertilizer made of chito-oligosaccharide can kill insects,resist disease, have the effect of fertilizer, and can degrade the animal and plant residues in soil and trace metal elements, thus into plant nutrients, enhance immunity plants, and promote the health of the plant; Shrimp shell, crab shell contains rich protein, trace elements, animals eat and absorb, have good nutritional value.

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