What are “quakers” in coffee beans?

• A. Over-roasted beans that contribute to bitterness
• B. Immature beans that do not roast evenly
• C. Beans with a high caffeine content
• D. Beans with an unusual flavor profile

Answer: (B)

Quakers in coffee beans refer specifically to immature or underdeveloped beans. These beans have not fully matured during growth and exhibit different characteristics compared to properly ripened beans. When roasted, quakers do not brown evenly and tend to retain moisture, leading to inconsistent flavors in the final brew. They may produce a sour or grassy taste, which can negatively affect the overall quality of the coffee. Identifying and removing quakers is essential for maintaining the desired flavor profile in roasted coffee.

Other options do not define quakers accurately. Over-roasted beans contribute to bitterness, but this description pertains to a different issue entirely. Beans with a high caffeine content are simply a characteristic of certain coffee varieties rather than a description of quakers. Lastly, beans with unusual flavor profiles may arise from various factors such as origin, processing methods, or roast level, but this does not specifically relate to the immature state of quakers.