葡萄皮花色苷是一种天然色素，具有溶解性好、色彩鲜艳、易与食品结合上色等特点，是替代合成色素的一类重要食品添加剂。

Anthocyanins are natural technicolored pigments and are bright-coloured, which can dissolve in water and combine with food easily. They are important food additives instead of artificial colour.

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病毒中和试验为国际贸易替代诊断方法，补体结合试验为常用的血清抗体调查和回顾性诊断方法，PCR方法可快速、特异、敏感的诊断本病。

Virus neutralization tests are an alternative method in the world trade. Complement fixation tests are a common serum antibody diagnose and survey method. PCR can diagnose the disease quickly.

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目的：研究比较理想的去细胞结合光氧化法处理牛心包的方案，初步探讨其作为心血管生物组织替代材料的可行性。

Objective: to find a good protocol of decellularization and dye-mediated photooxidation in bovine pericardium, evaluation the feasibility as a new biomaterial substitution in cardiac surgery.

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