“…Some representative metabolites in tea leaves, including catechins, flavonols, caffeine, and amino acids (for example, theanine) are also found in tea flowers [8,9,10]. Tea flowers also contain greater amounts of some metabolites that occur in tea leaves in lower or trace amounts such as floratheasaponins, spermidine derivatives, acetophenone, and 1-phenylethanol [11,12,13,14,15,16,17]. As a potentially rich resource, the chemical profiles and bioactivities of tea flowers have been intensively studied [7].…”