Alpha-Cyclodextrin (as known as called α-dextrin, α-cyclodextrin, α-CD, alphadextrin, alpha cyclodextrin). It is a series of
cyclic oligosaccharides produced by amylose under the action of cyclodextrin glucosyltransferase produced by Bacillus.
Alpha Cyclodextrin is a kind of cyclodextrin which six glucose units are linked by α - 1.4 sugar bond. It is the product of
glucosyltransferase acting on starch syrup. Because the inner cavity size of α - cyclodextrin is smaller than that of β -
cyclodextrin, α - cyclodextrin is more suitable for inclusion of small molecular weight inclusion complex and makes it more stable. The solubility of α - cyclodextrin in water is 14.5 g / 100ml at 25 ° C, so it can be used in the situation where high solubility of cyclodextrin is required.

Function

Cyclodextrins can be included in many substances, including rare gases, halogen, dyes, spices, food, preservatives and so on. The stability, volatility, solubility and reactivity were improved. The special function of cyclodextrin makes it a kind of inclusion material with wide application value.

1. In the pharmaceutical industry, cyclodextrin can form inclusion compound (encapsulation) with drugs, which can stabilize
(1) unstable drugs;
(2) Deliquescence, adhesiveness or powdering of liquid drugs;
(3) Insoluble or insoluble drugs can be dissolved (solubilized).
2. Application in food industry cyclodextrin has the following functions:
(1) Elimination and concealment of peculiar odor;
(2)The improvement of food organization structure;
(3) Reduce and remove the bitter and astringent taste;
(4) Antioxidant effect;
(5) The preservation and optimization of flavor.
3. In daily chemical industry, cyclodextrin can also be used as emulsifier and quality improver in cosmetics manufacturing. It also has deodorization (such as deodorization) and antisepsis, and can be used in the manufacture of toothpaste and tooth powder.
4. Other uses can be used as a kind of oily sewage treatment agent in environmental protection. The aqueous solution of cyclodextrin is used to clean the oil tank, and the waste liquid can be recycled to obtain fuel oil.
5. The use of cyclodextrin in the field of chemistry. Cyclodextrin is a valuable chemical reagent. When it exists, the fluorescence intensity of the fluorescent pigment will increase significantly, so it can be used for the analysis of proteins and amino acids, and it can also be used to separate long-chain organic compounds and racemates. In addition, the adsorbent made of cyclodextrin can be used for chromatographic analysis.
Application

Pharmaceutical:
1. To increase the solubility of biological availability
2. To improve the bioavailability
3. To adjust or control the releasing
4. To decrease the toxicities
5. To improve the stabilities
Cosmetic:
1. To suit for encapsulation of volatile compounds.
2. To increase shelf life of expensive flavours.
Food:
1.To prevent evaporation of volatile substances.
2.To get rid of the terrible smell.
3.To significantly enhance the effects of emulsification

Specification