我国食品添加剂总产值约占国际贸易额的１０％，并且某些品种已在国际市场上占有重要的地位。据了解，柠檬酸、木糖醇等几种食品添加剂在国际市场上十分走俏。 柠檬酸世界每年消费６０万吨左右，其中７５％～８０％应用于食品工业。我国柠檬酸年产量为２０万吨（生产能力达到 The total output value of China’s food additives accounts for about 10% of the international trade volume, and some varieties have occupied an important position in the international market. It is understood that several citric acid, xylitol and other food additives in the international market is very popular. Citric acid consumption in the world about 600,000 tons per year, of which 75% to 80% used in the food industry. China’s annual output of citric acid 200,000 tons (production capacity reached