A spirulina yogurt having antioxidant activity and preparation method thereof

摘要

Spirulina-containing yogurt and a preparation method thereof are provided to ensure effects of preventing infection and enhancing immunogenicity by adding heat-treated Spirulina. A method for preparing Spirulina-containing yogurt comprises the following steps of: heating Spirulina up to 120-200°C and pre-processing the heated Spirulina for 10-30 minutes; preparing a dairy ingredient base using dairy ingredients and sterilizing the dairy ingredient base; cooling the dairy ingredient base and inoculating a starter strain to the dairy ingredient base in order to prepare a yogurt base; and mixing food additives and pre-processed Spirulina to the yogurt base. The content of the Spirulina is 0.01-5wt% on a basis of the yogurt base.