30 Oct 2018
The basic taste of coffee is: sour, bitter and sweet. Sour taste is a basic taste of coffee, caused by organic fruit acid, citric acid, malic acid and so on.
Followed by the bitter taste of caffeine, quinine and a different alkaloid coffee taste, this is another basic taste of coffee, good coffee has a certain degree of bitterness.
The one way exhaust valve reviews the third aspect of coffee based on the taste. The first is a strong feeling. After the coffee is drunk, some are very strong. The whole mouth has a full sense of the mouth, and the long time table will disappear. This is a kind of superior coffee. Some coffee drinks like a cup of clear water, a touch of light, without any feeling, lost the rich fragrance of coffee. The other taste of coffee is astringency, which is a special aftertaste that makes the mouth feel dry. People don't like it
Originally published 30 Oct 2018, updated 30 Oct 2018.
Blog
Why Degassing Valve Quality Matters in Coffee Packaging
30 Jun 2026One way degassing valves are a crucial detail in coffee packaging that cannot be ignored, as they can directly determine the flavor of the coffee and the brand reputation.
ISO Certified Manufacturing for Coffee Bag Valves
30 May 2026WOJIN is an ISO certified manufacturer providing stable and reliable one way degassing valves for coffee packaging.
The important role of valve applicator in coffee packaging
28 Apr 2026Valve press machines can precisely install one-way exhaust valves, helping coffee businesses improve production efficiency and ensure product freshness.