Can the foam in tea be consumed?
When brewing tea, foam forms on the surface due to water agitation. Many people mistakenly consider this foam as undesirable and remove it, but it actually contains tea saponin - a beneficial compound. Tea saponin is a complex glycoside compound with bitter and pungent taste, weakly acidic, and exce...
Tea News · Oct 01, 2025
Is It Normal for Tea to Have Foam When Brewed?
When brewing tea, the appearance of foam on the surface of the first infusion is a common and natural occurrence, often misunderstood as dirt or pesticide residue. In reality, this foam is primarily caused by tea saponin, a compound found in tea leaves that has strong foaming properties. Other facto...
Tea News · Sep 22, 2025
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