Why can you feel a little sweetness when tasting black coffee?
Last updated 2026-09-29 — Most people only taste bitter, sour and astringent coffee. In fact, raw coffee beans contain about 50.8% sugar. After baking at high temperature, most of the sugar will be converted into caramel. This caramel effect brings a unique tea brown to the coffee, forming a source of aroma and bitterness, while the remaining sugar leaves some sweetness. In addition, when roasting high-quality coffee beans,
Most people taste coffee only bitter, sour, astringent three kinds, in fact, raw coffee beans contain about 5~8% sugar, after high temperature roasting, most of the sugar will be converted into caramel, this caramel effect for coffee to bring a unique tea brown, the formation of flavor and bitter source, and the remaining sugar is left a little sweet. In addition, the release of fine coffee beans when roasted
The tannins that come out, combined with brown caramel, also produce a slightly bitter sweet taste.
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