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In the rapidly evolving gut and gastroenterological research field, postbiotics, a fermentation byproduct, are emerging as a cutting-edge alternative in the nutraceutical and pharmaceutical environment. These functional bioactive components, which include muropeptides, extracellular polymeric substances (EPS), teichoic acids, polysaccharides, cell-free supernatants, short-chain fatty acids, enzymes, bactericidal antibiotics, and vitamins, play an important role in immune system development. This review explores the intricate pathways through which gut microorganisms produce metabolites that contribute to the health-promoting properties of postbiotics. Postbiotics have a variety of appealing qualities, including anticancer, antibacterial, and immunological actions. Their multiple effects include influencing immunological responses, decreasing cancer cell growth, and preventing bacterial infections. Their presence in dairy and plant-based meals is noteworthy, as it provides a perfect matrix for fermentation and a varied range of antibacterial chemicals. This article delves into enhancing understanding of the concept of therapeutic properties of postbiotics in promoting human health. [ABSTRACT FROM AUTHOR]

The current study focuses on Punica granatum L. (pomegranate) peel and peel extract and their use as functional foods, food additives, or physiologically active constituents in nutraceutical formulations. The pomegranate peel extract is a good source of bioactive substances needed for the biological activity of the fruit, including phenolic acids, minerals, flavonoids (anthocyanins), and hydrolyzable tannins (gallic acid). The macromolecules found in pomegranate peel and peel extract have been recommended as substitutes for synthetic nutraceuticals, food additives, and chemo‐preventive agents because of their well‐known ethno‐medical significance and chemical properties. Moreover, considering the promises for both their health‐promoting activities and chemical properties, the dietary and nutraceutical significance of pomegranate peel and pomegranate peel extract appears to be underestimated. The present review article details their nutritional composition, phytochemical profile, food applications, nutraceutical action, and health benefits. [ABSTRACT FROM AUTHOR]

Garlic (Allium sativum) is an ingredient that is frequently utilized in food for its therapeutic properties. Even though garlic peel accounts for 25% of production overall, unfortunately, it is discarded by the industry. Garlic peel is a valuable source of phytochemicals and medicinal substances. Throughout history, various civilizations have recognized the potential benefits of using garlic peel for illness prevention and treatment. This review emphasizes that garlic peel contains a variety of chemicals that are believed to offer health benefits for high blood sugar levels, lower the risk of cardiovascular illnesses, and have anti-tumor, anti-viral, anti-inflammatory, and anti-microbial properties. Additionally, we discuss the main bioactive substances in garlic peel, namely total phenolics, total flavonoids, and their derivatives. We may infer from our understanding that garlic peel is a useful agricultural waste because it contains a range of biologically active components. As a result, it can be employed as an ingredient to control health, especially in the biomedical and pharmaceutical fields. [ABSTRACT FROM AUTHOR]