The remaining brain tissues were made into mitochondria suspension . Content of manganese superoxide dismutase ( Mn-SOD ) and malondialdehyde ( MDA ) was determined with xanthosine oxidase method and TBA chemical colorimetry .

余脑组织制成制成线粒体悬液， 采用 黄嘌呤氧化酶法及TBA化学比色法测定脑线粒体锰超氧化物歧化酶活性及丙二醛含量。