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The effect of PRG on the pharyngeal pumping rate of C. elegans. The pharyngeal pump times of nematodes in 20 s were measured on fourth and eighth days of the nematodes’ life respectively to indicate the effects of NPRG on nematodes’ feeding, aging and locomotion. Compared with the blank group, the pharyngeal pump frequency of the experimental group was slightly increased, but there was no significant difference. The data represents three parallel experiments.
