Fecha de publicación: 30/04/2024 Fuente: WIPO "processing tomato" The invention relates to the technical field of tomato seed by-product production, discloses a tomato seed by-product extraction method, and solves the problems of waste and environmental pollution caused by waste of a large amount of tomato sauce processing waste in the prior art. Crushing the dried tomato seeds by using a crusher; adding an entrainer into the crushed tomato seeds and carrying out supercritical CO2 extraction to obtain tomato seed oil and oil meal; and carrying out alkali extraction and acid precipitation on the oil meal to obtain tomato seed protein. The technological process is high in extraction rate, the tomato seed oil is good in quality, the protein content of the tomato seed protein is high, resource waste of tomato sauce production waste and environmental pollution are reduced, the health-care tomato seed oil is provided for people, the tomato seed protein rich in protein is provided for cereal food, and the health-care tomato seed oil has a good market prospect. The method realizes comprehensive utilization of resources, improves economic benefits of enterprises, realizes green utilization of tomato seeds in tomato sauce processing wastes, and accords with the concept of green development.