1, nose smell: fresh coffee beans smell strong fragrance, on the contrary, tasteless or bad smell 2, look at: good coffee beans have complete shape and full size. On the contrary, the shape is incompl...
1, nose smell: fresh coffee beans smell strong fragrance, on the contrary, tasteless or bad smell 2, look at: good coffee beans have complete shape and full size. On the contrary, the shape is incomplete. 3, hand pressure: fresh coffee beans are fresh and crisp, and the fragrance floats out when they crack. 4, color: d...
1, nose smell: fresh coffee beans have a strong smell, otherwise tasteless or bad smell
2, look: good coffee beans are complete in shape and full in size. On the contrary, the shape is incomplete.
3, hand pressure: fresh coffee beans are fresh and crisp, and the fragrance floats out when they crack.
4, color: dark black coffee beans, the coffee brewed has a bitter taste; yellow coffee beans, the coffee brewed has a sour taste.
