Coffee Literature Review Ep22. Chlorogenic acid and end-of-year awards with Dr. Alex Murray and Prof. Carl Brozek
Jan 16, 2025
Dr. Alex Murray, a battery materials expert from Daqus, and Prof. Carl Brozek, a materials chemistry leader at the University of Oregon, dive into the fascinating world of chlorogenic acid. They explore its origins, health benefits, and the challenges of synthesizing it. The duo then shifts gears to their whimsical end-of-year awards, celebrating standout beverages, unique fruits, and even debating culinary champions. They cap off the conversation reflecting on favorite films, engaging in a playful critique of this year's cinematic offerings.
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Chlorogenic Acid Overview
- Chlorogenic acid, found in high concentrations in coffee, may impact health and has a debated flavor profile.
- It's derived from a sugar molecule and exists in various plants, being most concentrated in coffee.
Chlorogenic Acid in Plants
- Plants produce chlorogenic acid via the shikimate pathway, using carbon dioxide as a starting material.
- The process involves light and dark reactions, including a unique light-dependent step with pyruvate.
Absorption and Interaction with Caffeine
- A study suggests chlorogenic acid is absorbed into the bloodstream, despite some breakdown in the digestive system.
- It forms aggregates with caffeine in coffee, potentially impacting perceived bitterness.