WebJun 22, 2024 · L-theanine also improved recognition memory in rats, possibly by promoting brain development [16, 17]. A breakfast bar with L-theanine, caffeine, L-tyrosine, alpha-linolenic acid, vitamins and minerals improved alertness, attention, working and episodic memory, and executive function in a clinical trial on 95 people . WebMar 23, 2024 · As the main flavor components of tea, the contents of epigallocatechin-3-gallate (EGCG), theanine and caffeine are regulated by ambient temperature. However, whether the biosynthesis of EGCG, theanine and caffeine in response to temperature is regulated by endogenous hormones and its mechanism is st …
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