【摘要】 采用超滤—纳滤两次分离法，有效地对甜菜红色素分离、精制和浓缩，并应用于生产；产品质量达到国家标准（GB8271－87）和国际标准（FAO／WHO），研制的复合天然抗氧剂，明显提高了甜菜红对光、热的稳定性。更多还原

【Abstract】 By using a twice separation method of UF-NF, the beet red was separated,refined and concentrated efficiently. This technology has been applied in production and the quality of the product meets both the national standard GB 8271-87 and the international standard (FAO/WHO). In addition, a compound natural antioxidant which improves obviously the stability of the beet red to light and heat was investigated.更多还原