Valorization of natural colors as health-promoting bioactive compounds: Phytochemical profile, extraction techniques, and pharmacological perspectives. (15th November 2021)

• Record Type: Journal Article
• Authors: Manzoor, Mehnaza; Singh, Jagmohan; Gani, Adil; Noor, Nairah
• Is Part Of: Food chemistry. Volume 362(2021)
• Publication Date: 2021-11-15
• Subjects: Natural colors -- Greener extraction -- Stabilization -- In-vitro, In-vivo studies; Food -- Analysis -- Periodicals; Food -- Composition -- Periodicals; 664
• DOI: 10.1016/j.foodchem.2021.130141
• Languages: English
• ISSNs: 0308-8146

Abstract

Highlights: Natural colors as "clean labelled" ingredients have been reviewed. Green extraction techniques for enhanced extraction of natural colors have been discussed. In-vitro, in-vivo animal and human intervention studies also summarized. Role of natural colorants in designing functional foods with therapeutic applications also explored. Abstract: Color is the prime attribute with a large impact on consumers' perception, selection, and acceptance of foods. However, the belief in bio-safety protocols, health benefits, and the nutritional importance of food colors had focused the attention of the scientific community across the globe towards natural colorants that serve to replace their synthetic toxic counterparts. Moreover, multi-disciplinary applications of greener extraction techniques and their hyphenated counterparts for selective extraction of bioactive compounds is a hot topic focusing on process intensification, waste valorization, and retention of highly stable bioactive pigments from natural sources. In this article, we have reviewed available literature to provide all possible information on various aspects of natural colorants, including their sources, photochemistry and associated biological activities explored under in-vitro and in-vivo animal and human studies. However a particular focus is given on innovative technological approaches for the effective extraction of natural colors for nutraceutical and pharmaceutical applications.