Chinese herb extract for protecting blood cells, preparation method and application thereof

The invention discloses a preparation method for a cedrela sinensis extract. The preparation method comprises the following steps: (a) decocting cedrela sinensis, filtering and taking a filtrate, thereby forming a first mixture; (b) using ethyl alcohol for treating the first mixture, thereby forming a second mixture; (c) performing suction filtration on the second mixture, thereby acquiring the filtrate and forming a third mixture; (d) centrifuging the third mixture and taking supernatant, namely, a primary cedrela sinensis extract solution. The cedrela sinensis extract prepared according to the method can be used as a protective agent for chicken blood cell cryopreservation. When the cedrela sinensis extract and hydrogen are jointly used as the protective agent for chicken blood cell cryopreservation, a synergistic effect can be achieved. 本发明公开种香椿提取物的制备方法，包括如下步骤：(a)煎煮香椿，过滤，取滤液，形成第混合物；(b)用乙醇处理所述第混合物，形成第二混合物；(c)抽滤所述第二混合物，得滤液，形成第三混合物；(d)离心所述第三混合物，取上清，即初级香椿提取物溶液。该方法制备的香椿提取物能够用作鸡血细胞冻存的保护剂，该香椿提取物与氢气共同用作鸡血细胞冻存的保护剂时