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Effect of L-theanine treatment on the lifespan of UVC-exposed C. elegans. (A) L-theanine treatment significantly extended the lifespan of UVC-exposed nematodes under normal culture conditions. (B,C) L-theanine treatment for 24 h or 48 h increased the survival rate of nematodes exposed to UVC under heat stress (35 °C for 7 h). Results are means ± SD (3 independent experiments, ** p < 0.01, *** p < 0.001).
