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Different types and ingredients of tea affect body clock timing and gene activity
Updated
Abstract
Essence
Different tea types and tea compounds showed context-specific effects on circadian entrainment and clock-gene regulation.
Evidence
Preclinical animal and cellular model study comparing six tea types and four tea components in mice and cells under circadian disruption.
Caveat
Findings varied by tea type, phase-shift direction, tissue, and cell assay, and they do not show human jet-lag or health effects.
Simplified
Key numbers
Not specified
Increase in adaptability to +6 h phase shifts
White tea's effect on re-entrainment speed.
Not specified
Strongest modulation of core clock genes
Dark tea's influence on core clock gene expression across tissues.
Not specified
Prolonged circadian periods in cells
Effects of tea polyphenols, theophylline, and EGCG on cellular circadian periods.
Circadian Biology