Blog — MoriMa Tea

What is the foam on the surface of the tea soup?

What is the foam on the surface of the tea soup?

When brewing tea, due to the oscillation of the water flow, the surface of the tea soup will produce foam, which is --- tea saponin. Someone compared it to the dirt produced after boiling food. When brewing tea and take it "scrape" off, in fact, it is a misunderstanding and waste.   Tea saponin is a complex structure glycoside compound. Tea saponin is bitter and spicy, difficult to dissolve in cold water, and slightly acidic between pH 5.6--5.7. Has a strong foaming power, is not affected by water hardness, it is generally foam rich taste of tea is relatively strong....

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