The rise of plant proteins has been a major trend in the food and beverage industry over the past few years, including soybeans, rice, and other plant-based proteins. And recently, the popularity of pea protein has quickly surpassed other plant proteins, becoming a popular ingredient. The driving factors behind this may include the development of plant-based food and beverage brands, such as the success of Ripple Foods, and the optimistic market performance of Beyond Meat, a vegetarian burger using pea protein. In such a dynamic market, what are the innovative forces behind the rise of pea protein, and what are the future opportunities and challenges in this field?