Abstract
Cyclodextrins (CDs) are cyclic oligomers broadly used in food manufacturing as food additives for different purposes, e.g., to improve sensorial qualities, shelf life, and sequestration of components. In this review, the latest advancements of their applications along with the characteristics of the uses of the different CDs (α, β, γ and their derivatives) were reviewed. Their beneficial effects can be achieved by mixing small amounts of CDs with the target material to be stabilized. Essentially, they have the capacity to form stable inclusion complexes with sensitive lipophilic nutrients and constituents of flavor and taste. Their toxicity has been also studied, showing that CDs are innocuous in oral administration. A review of the current legislation was also carried out, showing a general trend towards a wider acceptance of CDs as food additives. Suitable and cost-effective procedures for the manufacture of CDs have progressed, and nowadays it is possible to obtain realistic prices and used them in foods. Therefore, CDs have a promising future due to consumer demand for healthy and functional products.
Highlights
Numerous investigations have been focused on developing relatively simple organic compounds able to catalyze organic reactions, like enzymes
Food color is the first quality parameter assessed by customers, so it is a key parameter of food quality [25]
The mechanism consists of preventing ascorbic acid oxidation by an antioxidant effect, which maintains the color and the food quality [5]. α, β, and γ-CDs are commonly used in the elaboration of different juices to improve the color of the final product
Summary
Numerous investigations have been focused on developing relatively simple organic compounds able to catalyze organic reactions, like enzymes. Due to the establishment of an inclusion complex, guest reactivity can vary, making possible its use in a wide variety of fields [9] As these receptors can improve bioavailability, they are suitable for functional delivery systems [10]. Future research is focused on CDs properties and their interaction with other materials (e.g., durability, stability, or dispersion), new applications (e.g., CDs immobilization for wastewater treatment) or the development of green chemistry processes [14] They have been used for sequester certain molecules (i.e., cholesterol), as modulators for medicinal biomaterials, as elicitors or as synergistic agents for the production of secondary metabolites in plants [15,16]. Lowest-priced and generally the most useful and generally thethe most useful and generally most useful lowest-priced and generally
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