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Liver metabolomics. A, Trehalose; B, Pyruvate; C, Lactate; D, Nicotinamide; E, UDP-N-acetylhexosamines (UDP-N-acetylglucosamine + UDP-N-acetylgalactosamine) in young and old mice in the absence or presence trehalose in the drinking water (+ trehalose: 2% trehalose for 4 weeks). Values are means ± SDEV for n=7–8 per group. +, P<0.05 vs. young, old; * P<0.05 vs. other groups.
