Stretchin' Out the Roast pt. 2

Quality: 
5

 In part 1 of Stretchin' Out the Roast we looked at the effect of stretching out the time and development between 1st and 2nd crack during the roast. The greatest effect was on the perceived acidity and the type of sweetness in the cup from malt to candy, then fruit and  into bittersweet-cocoa-type sweetness. In this article we look at the effect of stretching out the 1st crack itself and how that changes the sweetness, body, and acidity in the finished roast.

Stretchin' Out the Roast: Part 1

Quality: 
5

This article details one method to determine an ideal roast for a coffee;  in four roast experiments, the time between the end of 1st crack and the beginning of 2nd crack is lengthened, and the roast stopped at the same point each time.  Then by tasting and comparing the results, I arrive at some conclusions about what roast brings out the characteristics of the coffee I enjoy more.  Other articles will cover the effect of stretching other segments of the roast.

Using Sound to Determine Degree of Roast

Quality: 
4

Audio cues are very important in determining degree of roast; it is a good indication of the chemical changes happening internally in the coffee bean. Learning to determine the difference between first crack and second crack is important.

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