Kidney bean: Protein's treasure trove and creates avenues for a healthy lifestyle

Kidney beans (KBs) are a nutrient-dense and inexpensive legume crop that plays a crucial role in ensuring food security and is consumed globally. They are a treasure trove of nearly 20–30% protein, called vicilin or phaseolin, and these beans are also fair sources of vitamins, minerals, antioxidants, and bioactive compounds. These protein compounds have significant potential as plant-based protein sources, owing to their functional properties and nutritional benefits. The current article provides an enthralling insight into the nutritional profile, constraints on its usage, production, and other basic details of KB. It highlighted the processing technology of the kidney bean protein isolates (KBPIs), and an in-depth discussion was done on the KBPI's structural and functional traits to explore their potential, which is helpful in the formulation of novel foods and beverages. In the present scenario, KBPI in large-scale industrial applications is skimpy; hence, the present article provides the applications of KB proteins in foods and edible films, which could be beneficial in the futuristic world. The current article opens up new avenues for investigating the utilization of KBs and their proteins in research and development (R&D) and manufacturing. This approach encourages further exploration of KB and their proteins in R&D, manufacturing, and commercialization. Such efforts have the potential to add significant value to KBs, promote healthy lifestyles among consumers, and boost the economy. Overall, the article presents a compelling case for expanding the utilization of KB in various applications, highlighting the possibilities for innovation and Legume Science development in this area.