Sunflower seeds are one of the important sources of raw materials for the oil industry. Sunflower seeds used for oil extraction account for 50% to 55% of the total output, and the resulting sunflower seed meal is mostly used for the production of feed and sunflower protein. The nutritional structure ratio of sunflower protein is close to the needs of the human body, and it not only has no known toxic components and anti nutritional factors, but also has good digestibility. Meanwhile, sunflower protein has excellent functional and sensory properties, and can be used as a flavor preservative in the food industry....