Elsevier

Process Biochemistry

Volume 39, Issue 9, 31 May 2004, Pages 1033-1046
Process Biochemistry

Review
Cyclodextrins and their uses: a review

https://doi.org/10.1016/S0032-9592(03)00258-9Get rights and content

Abstract

Cyclodextrins are a family of cyclic oligosaccharides composed of α-(1,4) linked glucopyranose subunits. Cyclodextrins are useful molecular chelating agents. They possess a cage-like supramolecular structure, which is the same as the structures formed from cryptands, calixarenes, cyclophanes, spherands and crown ethers. These compounds having supramolecular structures carry out chemical reactions that involve intramolecular interactions where covalent bonds are not formed between interacting molecules, ions or radicals. The majority of all these reactions are of ‘host–guest’ type. Compared to all the supramolecular hosts mentioned above, cyclodextrins are most important. Because of their inclusion complex forming capability, the properties of the materials with which they complex can be modified significantly. As a result of molecular complexation phenomena CDs are widely used in many industrial products, technologies and analytical methods. The negligible cytotoxic effects of CDs are an important attribute in applications such as rug carrier, food and flavours, cosmetics, packing, textiles, separation processes, environment protection, fermentation and catalysis.

Section snippets

History

Cyclodextrins are cyclic oligosaccharides consisting of six α-cyclodextrin, seven β-cyclodextrin, eight γ-cyclodextrin or more glucopyranose units linked by α-(1,4) bonds (Fig. 1). They are also known as cycloamyloses, cyclomaltoses and Schardinger dextrins [1], [2]. They are produced as a result of intramolecular transglycosylation reaction from degradation of starch by cyclodextrin glucanotransferase (CGTase) enzyme [3].

They were first discovered in 1891 [1], when in addition to reducing

Properties

Cyclodextrins are of three types: α-cyclodextrin, β-cyclodextrin and γ-cyclodextrin, referred to as first generation or parent cyclodextrins. α-, β- and γ-cyclodextrins are composed of six, seven and eight α-(1,4)-linked glycosyl units, respectively [15]. β-Cyclodextrin is the most accessible, the lowest-priced and generally the most useful. The main properties of those cyclodextrins are given in Table 1.

Studies of cyclodextrins in solution are supported by a large number of crystal structure

Conclusions

Many types of encapsulation are available which coat a fine particle of an active core with an outer shell. Encapsulation also can occur on a molecular level. This can be accomplished using a category of carbohydrates called CDs, encapsulates made with these molecules may possibly hold the key for many future encapsulated formulation solutions.

The ability of cyclodextrins to form inclusion complexes with many guest molecules by taking up a whole molecule, or some part of it, into the cavity

References (83)

  • M. Másson et al.

    Stabilisation of drugs through complexation with non-ionic and ionic cyclodextrins

    Int. J. Pharm.

    (1998)
  • K.A. Connors

    Population characteristics of cyclodextrin complex stabilities in aqueous solution

    J. Pharm. Sci.

    (1995)
  • T. Loftsson et al.

    Pharmaceutical applications of cyclodextrins. 1. Drug solubilization and stabilization

    J. Pharm. Sci.

    (1996)
  • T. Loftsson et al.

    Cyclodextrin complexation of NSAIDS: physicochemical characteristics

    Eur. J. Pharm. Sci.

    (1993)
  • J. Pitha et al.

    Effects of ethanol on formation of inclusion complexes of hydroxypropylcyclodextrins with testosterone or with methyl organe

    Int. J. Pharm.

    (1992)
  • T. Loftsson et al.

    Effect of cyclodextrins and polymers on triclosan availability and substantivity in toothpastes in vivo

    J. Pharm. Sci.

    (1999)
  • T. Kristmundsdóttir et al.

    Formulation and clinical evaluation of a hydrocortisone solution for treatment of oral disease

    Int. J. Pharm.

    (1996)
  • T. Irie et al.

    Cyclodextrins in peptide and protein delivery

    Adv. Drug Deliv. Rev.

    (1999)
  • B. Ekberg et al.

    The synthesis of an active derivative of cyclomalto hexose for the hydrolysis of esters and the formation of amide bonds

    Carbohydr. Res.

    (1989)
  • T. Morozumi et al.

    Selective synthesis using cyclodextrins as catalyst. 6. Cyclodextrin modification for para-selective hydroxymethylation and hydroxyetheylation of phenol

    J. Mol. Catal.

    (1991)
  • A. Kamal et al.

    Enantioselective hydrolysis of aryloxypopionic esters by bovine serum albumin: enhancement in selectivity by β-CD

    Tetrahedron: Asymmetry

    (1991)
  • L. Bardi et al.

    Hydrocarbon degradation by a soil microbial population with beta-cyclodextrin as surfactant to enhance bioavailability

    Enzyme Microb. Technol.

    (2000)
  • A. Villiers

    Compt Rendu

    (1891)
  • J. Szetjli

    Introduction and general overview of cyclodextrin chemistry

    Chem. Rev.

    (1998)
  • V.J. Stella et al.

    Cyclodextrins: their future in drug formulation and delivery

    Pharm. Res.

    (1997)
  • Mabuchi N, Ngoa M. Controlled release powdered flavour preparations and confectioneries containing preparations....
  • Buschmann HJ, Schollmeyer E. Applications of cyclodextrins in cosmetic products: a review. J Cosmet Sci...
  • Hirose T, Yamamoto Y. Hinokitol containing cyclo-olefin polymer compositions and their molding with excellent...
  • R.A. Hedges

    Industrial applications of cyclodextrins

    Chem. Rev.

    (1998)
  • C. Baudin et al.

    Inclusion of organic pollutants in cyclodextrin and derivatives

    Int. J. Environ. Anal. Chem.

    (2000)
  • R. Koukiekolo et al.

    Mechanism of porcine pancreatic alpha-amylase inhibition of amylose and maltopentaose hydrolysis by alpha-, beta- and gamma-cyclodextrins

    Eur. J. Biochem.

    (2001)
  • J. Szetjli

    Downstream processing using cyclodextrins

    TIBTRCH

    (1989)
  • C.R. Dass et al.

    Cyclodextrins and liposomes as potential drugs for the reversal of atherosclerosis

    J. Pharm. Pharmacol.

    (2000)
  • Nash RA. Cyclodextrins. In: Wade A, Weller PJ, editors. Handbook of pharmaceutical excipients. London: Pharm. Press &...
  • D.O. Thompson

    Cyclodextrins-enabling excipients: their present and future use in pharmaceuticals

    Crit. Rev. Ther. Drug Carrier Syst.

    (1997)
  • A.M. Totterman et al.

    Intestinal safety of water-soluble β-cyclodextrins in paediatric oral solutions of spironolactone: effects on human intestinal epithelial Caco-2 cells

    J. Pharm. Pharmacol.

    (1997)
  • S. Muñoz-Botella et al.

    Cyclodetrin properties and applications of inclusion complex formation

    Ars. Pharm.

    (1995)
  • Fujishima N, Kusaka K, Umino T, Urushinata T, Terumi K. Flour based foods containing highly branched cyclodextrins....
  • R. Bhardwaj et al.

    Approaches to reducing toxicity of parenteral anticancer drug formulations using cyclo-dextrins

    J. Pharm. Sci. Technol.

    (2000)
  • Holland L, Rizzi G, Malton P. Cosmetic compositions comprising cyclic oligosaccharides and fragrance. PCT Int Appl WO...
  • M. Lezcano et al.

    Complexation of several benzimidazole-type fungicides with alpha and beta-cyclodextrins

    J. Agric. Food Chem.

    (2002)
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