no, i have done it for years. any coffee oils that might cross contaminate the cocoa would be absorbed by the husk which you winnow away. i've never even see that happen and i've used the same roaster for years. "can i use a home brewing mill to crack my cocoa?"...
logistics internal logistics sea freight cost charter tools world clock unit converter location contact us inquiry request company information services roasted coffee coffee roasting is a chemical process by which aromatics, acids, and other flavor components are either created, balanced, or altered...