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Roselle is an annual herb or perennial shrub of the genus Hibiscus in Malvaceae, which grows in tropical and subtropical regions. It is native to West Africa, India and Malaya, and is abundant in the tropical regions of southern Mexico. Local people often pick its stamens, dry them and make tea for drinking. It is distributed in Guangdong, Guangxi, Fujian, Taiwan, and Yunnan in China, and cultivated in southern Yunnan.
Roselle is an emerging food and food industry origin. Its calyx can be used to make candied fruit, jam, high-end beverages, cold drinks, soft drinks, iced tea, hot tea, ice squeezed, ice cream, canned food, fruit wine, sparkling wine, champagne and pastries. Stuffed stuffing, roselle tofu and other foods. Rich in vitamin C, it is also a nutritional product for the elderly and children.
The brilliant rose-colored pigment of the calyx is a coloring agent in food. Delicious and palatable, it is a high-quality drink for clearing away heat and refreshing summer heat. At present, the main products are cold drinks, soft drinks, sparkling wine, raw leaves, canned color enhancers, eggplant crystals, and sugar tea, and products are available in Beijing, Tianjin, Nanjing, Qingdao, Shanghai, Shijiazhuang, Kunming, and Guangzhou.
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