Weight Loss In Coffee Roasting

Roasting espresso transforms the chemical and bodily properties of green coffee beans into in the course of the roasting course of.

Weight loss in coffee roasting. Lighter roasts can therefore be helpful in increasing profit margins. A roaster tracks data during a roasting session. However always keep in mind the overall flavor of the coffee.

Most beans start off at about 10 12 moisture and end up around 3. The interesting thing is though that the weight of a bean actually varies based on what type of roast it is. One indicator of how far your roast went can be found by calculating weight loss.

If i roasted for brewed coffee preparation i would most likely roast some in my experience i ve had coffee from yirgacheffe that has been drinkable when having only 13 seventy five weight loss but if i roasted a. The darker the roast the greater the loss percentage. When a pound of coffee is roasted it will lose 15 20 of its weight.

Roasting your coffee dark will result in a higher loss of moisture and therefore more bean weight loss. Light roasting will mean less moisture loss and therefore less weight loss. The weight of the roasted batch divided by the original weight of the green coffee will give you a decimal that you can turn into a percentage for easy comparison.

How coffee roasting affects bean weight. The next expense to consider is the cost and expected life of the roaster. It requires that you weighed the batch before and after the roast fairly accurate and didn t lose beans along the way.

For this example i will use 17 5 weight loss. Roasting is a key step in the production of a high quality coffee. My experience gives about 15 weight loss shrinkage for light roasts and around 20 on dark roast profiles.