How to discriminate organic coffee from coffee impurities contain?

Impurities coffee

·         There is intense and strong aroma of impurities coffee
·         Although we pour boiling water into the filter, but coffee powder will not thoroughly break
·         Its colour is deep black, condensed and full of foam.
·         Flavors: strong bitter, condensed, intense, greasy feeling between mouth and tongue
·         After mixing with ice for a while, cup of coffee is still black but bland taste, no aftertaste because there are not component coffee existing it

 

Organic coffee

·         Power coffee’s scent is so mild and attractive like a charm
·         When we pour boiling water into the filter, coffee powder will thoroughly break
·         Its colour is not condensed, but brown a bit
·         Flavors: mild bitter, sour, deep in swallow, soft, clean feeling between mouth and tongue
·         We fell ostalgically after drinking it owing to pure coffee material