PQQ is found in fermented soybeans and also in parsley, green tea, green peppers and kiwi fruit.
PQQ存在于豆酱中，还有香芹，绿茶，青椒和猕猴桃
目的观察吡咯喹啉醌（PQQ）对D半乳糖致衰老大鼠学习记忆的影响。
MTT metabolic rate and lipofusichrome was measured. Results:In PQQ group the length of neuron processes and the maximum diameter of neurosoma were greater than those of control group markedly.
结果：PQQ处理后，海马神经元突起的长度和胞体的长径显著大于对照组， 细胞的存活率增加、存活的时间延长，尼氏小体的光密度值和MTT代谢率显著高于对照组，脂褐素的含量降低。
