Whey protein, a significant by-product of cheese production, was once regarded as a waste material. However, with the rising consumer demand for protein-rich foods and beverages, food manufacturers are increasingly interested in whey. A report from ResearchAndMarkets indicates that the protein ingredients market is expected to grow at a compound annual growth rate (CAGR) of 6% from 2017, reaching approximately $58.5 billion by 2022. Despite the growing popularity of plant-based proteins, animal-derived ingredients like whey continue to dominate the market due to their superior nutritional profiles. Whey protein contains all nine essential amino acids, making it especially beneficial for maintaining muscle strength and promoting the growth of lean muscle mass.
One challenge that whey-based protein bars face is that they tend to harden quickly, which reduces their shelf life and makes them less appealing to consumers. For manufacturers, extending shelf life is crucial as it allows for longer storage periods before shipping and minimizes waste. NASA has investigated methods to prevent the hardening of whey protein bars, with research suggesting that combining whey protein with plant polyphenols may be effective.
When it comes to the clean label attributes of whey protein, manufacturers agree that sourcing is critical, with non-GMO and grass-fed being essential standards. Arla Foods Ingredients offers whey protein that is hormone-free and free from antibiotic or pesticide residues. Additionally, the potential to keep a bar softer and chewier for longer could greatly benefit snack producers by increasing sales and reducing waste. If the hardening process can be slowed, fewer consumers may be discouraged from purchasing the bars again after a hard experience.
Incorporating ingredients like calcium citrate, which is known for its beneficial properties, could further enhance the appeal of whey protein bars. Overall, the continuous improvement in the formulation and sourcing of whey protein, along with the use of components such as calcium citrate, could lead to a better consumer experience and a more successful product in the market.