Abstract
As a pharmaceutical component, gum Cordia has been applied to improve crop resistance against many diseases. A large amount of gum appears around the fruit after soaking in an aqueous system. The mucilage possesses outstanding technofunctional properties as an emulsifier, thickening agent, and binding and stabilizing component in food and drug industries. The backbone of gum Cordia is composed of (1-2)-linked L-arabinofuranosyl and (1–6)-linked D-glucopyranosyl residues. This manuscript reviews the technofunctional properties and applications of gum Cordia in food systems. Particularly, our focus has been given to its application as a natural source for the formation of edible films and coatings for increasing the shelf life of food products and for the food preservation as a potential ingredient in formulation. The future research perspectives are also highlighted.
Highlights
Nonbiodegradable and synthetic polymeric substances are vastly used as food packaging materials that have caused significant environment concerns all over the world
C. latifolia, C. myxa, C. dichotoma, and C. abyssinia are the four species of Cordia which are considered advantageous for a number of applications in different scientific articles [9]
Insufficient ashing (550°C and 3 h) might be the reason for this distinction. is amount of carbohydrate shows the high purity of gum Cordia. Besides its purity, this gum has a good extraction efficiency that makes it a possible candidate for replacement of some commercial gums [7]. Functional properties such as stabilizing, emulsifying, and film-forming abilities could be due to the protein content inside the gum [19]. e protein fraction of gum Cordia was similar to that of the guar gum (8.19%) and higher than that of the locust bean gum (5.2–7.4%) and xanthan (2.125%) [20]
Summary
Nonbiodegradable and synthetic polymeric substances are vastly used as food packaging materials that have caused significant environment concerns all over the world. Possible alternatives for plastic packaging materials are those obtained from natural and renewable resources such as polysaccharide- and protein-based films and coatings [1,2,3,4]. Biopolymer-based films and coatings can be loaded with natural antioxidants and antimicrobials and other bioactive components and flavors. In contrast to synthetic and semisynthetic polymers, fruit polysaccharides are for sure vastly available, cheap in processing costs, nontoxic, biodegradable, and not dangerous to the environment, and these features make them to be applied more rather than the synthetic agrochemicals [7]. One of the less utilized and remarkable fruits, Cordia with different species, could be a novel and potential plant source of hydrocolloids.
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