What happens to coffee when it cools down?

<p><strong>#151</strong></p><p><br>If you drink coffee, then you know that it starts to taste super different as it goes from hot to cold. Is it just the change in temperature that makes it <em>seem </em>like it tastes different? Or is there a little more chemistry going on? Let's find out.</p><p><br><strong>References from this episode</strong></p><p><br></p><ol> <li><a href="https://pubs.acs.org/doi/10.1021/acs.jafc.0c01373">https://pubs.acs.org/doi/10.1021/acs.jafc.0c01373</a></li> <li><a href="https://pubs.acs.org/doi/10.1021/jf048701t">https://pubs.acs.org/doi/10.1021/jf048701t</a></li> <li><a href="https://www.nature.com/articles/s41598-017-18247-4">https://www.nature.com/articles/s41598-017-18247-4</a></li> <li><a href="https://sca.coffee/sca-news/podcast/86/elucidating-the-bitter-taste-of-coffee-expo-lectures-2019">https://sca.coffee/sca-news/podcast/86/elucidating-the-bitter-taste-of-coffee-expo-lectures-2019</a></li> <li><a href="https://pages.uoregon.edu/chendon/coffee_literature/2012%20Coffee%20Emerging%20Health%20Effects%20and%20Disease%20Prevention,%20Coffee%20Constituents,%20Chapter%202.pdf">https://pages.uoregon.edu/chendon/coffee_literature/2012%20Coffee%20Emerging%20Health%20Effects%20and%20Disease%20Prevention,%20Coffee%20Constituents,%20Chapter%202.pdf</a></li> <li><a href="https://pubmed.ncbi.nlm.nih.gov/26712785/">https://pubmed.ncbi.nlm.nih.gov/26712785/</a></li> <li><a href="https://www.nature.com/articles/s41598-018-34392-w">https://www.nature.com/articles/s41598-018-34392-w</a></li> <li><a href="https://www.acs.org/pressroom/newsreleases/2020/april/using-chemistry-to-unlock-the-difference-between-cold--and-hot-brew-coffee-video.html">https://www.acs.org/pressroom/newsreleases/2020/april/using-chemistry-to-unlock-the-difference-between-cold--and-hot-brew-coffee-video.html</a></li> <li><a href="https://www.nature.com/articles/s41598-020-73341-4">https://www.nature.com/articles/s41598-020-73341-4</a></li> <li><a href="https://pubmed.ncbi.nlm.nih.gov/36010440/">https://pubmed.ncbi.n