Invention patents at the beginning of this century include: full-nutrient liquid food suitable for diabetics and its production method (authorized, patent number ZL 03 1 50631.3); solid full-nutrient liquid food and its production method (Authorized); Extraction method of black rice anthocyanins (published). The black rice anthocyanins project was funded by the 2004 Technology Innovation Fund for Science and Technology Small and Medium-sized Enterprises of the Ministry of Science and Technology, and received support from the province and city, and has passed national acceptance.