What's the Chemistry Inside Sourdough Bread?

#204

In this episode Melissa and Jam delve into the fascinating biochemistry behind sourdough bread. They explore the role of microorganisms, including different strains of yeast and bacteria, in the fermentation process. The discussion covers how these organisms contribute to the unique flavors and textures of sourdough, and addresses common questions from listeners about its health benefits, the impact of tap water, and the variability of sourdough starters. The episode combines scientific insights with personal anecdotes about sourdough baking, shedding light on why this bread is so special and why it has gained popularity.

00:00 Introduction to Sourdough Curiosities

00:50 Meet the Hosts and Episode Inspiration

01:16 Listener Questions and Sourdough Popularity

02:48 The Science Behind Sourdough

03:18 Microorganisms in Bread Making

03:43 The Role of Yeast and Fermentation

07:33 Sourdough Starters and Fermentation Process

13:02 The Symbiotic Relationship in Sourdough

16:00 Recap and Listener Questions

20:18 The Art and Chemistry of Sourdough

22:02 Challenges and Rewards of Sourdough Baking

24:46 Sourdough Microbiome and Health Benefits

31:24 Impact of Water on Sourdough

32:55 Sourdough Preservation and Final Thoughts

36:39 Community Engagement and Support

References from this episode:

1. https://www.acs.org/pressroom/reactions/library/the-ultimate-donut-battle-cake-vs-yeast.html


2. https://www.scientificamerican.com/article/single-celled-science-yeasty-beasties/


3. https://www.ncbi.nlm.nih.gov/books/NBK8125/


4. https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/acute-impact-of-ingestion-of-breads-of-varying-composition-on-blood-glucose-insulin-and-incretins-following-first-and-second-meals/A4C860D917A29E4C784B4B2E16C8D0CB


5. https://pmc.ncbi.nlm.nih.gov/articles/PMC3317179/#B18https://journals.asm.org/doi/10.1128/aem.68.2.623-633.2002


6. https://pmc.ncbi.nlm.nih.gov/articles/PMC3317179/


7. https://pmc.ncbi.nlm.nih.gov/articles/PMC10103004/


8. https://www-sciencedirect-com.libproxy.library.unt.edu/science/article/pii/S2161831322013023


9. https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2023.1230043/full?trk=public_post_comment-text


10. https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2022.989421/full


11. https://pmc.ncbi.nlm.nih.gov/articles/PMC6345887/


12. https://journals.asm.org/doi/full/10.1128/spectrum.01121-23


13. https://www.mcgill.ca/oss/article/nutrition-technology/science-sourdough-and-how-jar-microbes-could-help-keep-your-bread-fresher-longer


14. https://youtu.be/C_mU2slhltI


15. https://youtu.be/yp_iaxtLCZs


16. https://www.scientificamerican.com/article/the-science-of-sourdough-how-microbes-enabled-a-pandemic-pastime/

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