Cotton flower, commonly known as grass flower, is a flower that blooms before cotton is formed into a cotton peach. It has been abandoned as a by-product of the cotton industry. Scientific and technical personnel of the Xinjiang Institute of Physical and Chemical Technology of the Chinese Academy of Sciences found that cotton was systematically analyzed during the chemical composition analysis of cotton flowers. Flowers are rich in flavonoids and have a good effect in treating dementia. They use modern technology to extract flavonoids from cotton flowers and make them in small doses with obvious medicinal effects. "Flavone tablets" for the treatment of mild to moderate Alzheimer's disease. In June 2014, Xinjiang's first Chinese medicine category 5 new drug clinical trial was approved. The most accurate summary of this text is:. ["Flavonoids help treat mild to moderate Alzheimer's.", 'Chinese scientists turn waste into treasure and discover the new value for cotton flowers.', '"Cotton Flower Total Flavonoid Tablets" Approved in Xinjiang\'s First Chinese Medicine Class 5 New Drug Clinical Trial.', 'Chinese scientists extract cotton medicine for treating moderate dementia and successfully transfer pharmaceutical companies.']