The Metal Claw Hiding in Your Food

From SciShow.

Have you ever seen "calcium disodium EDTA" on an ingredients label and wondered what it’s doing in your food? As it turns out, ethylenediamene triacetate is an important preservative that’s helping to preserve your food. It’s totally safe, and really interesting chemistry besides.s

Hosted by: Stefan Chin (he/him)
———-
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
———-
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Benjamin Carleski, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, DrakoEsper, Eric Jensen, Friso, Garrett Galloway, Harrison Mills, J. Copen, Jaap Westera, Jason A Saslow, Jeffrey Mckishen, Jeremy Mattern, Kenny Wilson, Kevin Bealer, Kevin Knupp, Lyndsay Brown, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi
———-
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/
TikTok: https://www.tiktok.com/@scishow
Twitter: http://www.twitter.com/scishow
Instagram: http://instagram.com/thescishow
Facebook: http://www.facebook.com/scishow

#SciShow #science #education #learning #complexly
———-
Sources:
https://www.sciencedirect.com/science/article/abs/pii/S0740002011001651%7C
https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.135&SearchTerm=disodium%20edta
https://www.ncbi.nlm.nih.gov/books/NBK565883/
https://www.efsa.europa.eu/en/efsajournal/pub/1414
https://inside-our-products.loreal.com/ingredients/edta
https://acshist.scs.illinois.edu/bulletin_open_access/v42-2/v42-2%20p133-140.pdf

Citric Acid


https://www.britannica.com/science/coordination-compound
https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_and_Websites_(Inorganic_Chemistry)/Coordination_Chemistry/Introduction_and_History_of_Coordination_Compounds/History_of_Coordination_Compounds
https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Chemical_Bonding/Fundamentals_of_Chemical_Bonding/Covalent_Bonds_vs_Ionic_Bonds
https://www.chem.purdue.edu/gchelp/cchem/whatis.html
https://chem.libretexts.org/Courses/City_College_of_San_Francisco/Chemistry_101B/08%3A_Transition_Metals_and_Coordination_Chemistry/8.2%3A_Coordination_Chemistry_of_Transition_Metals
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7370311/
https://ods.od.nih.gov/factsheets/Iron-Consumer/
https://pubmed.ncbi.nlm.nih.gov/192123/
https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.643972/full
https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-disodium-EDTAhttps://chem.libretexts.org/Bookshelves/General_Chemistry/ChemPRIME_(Moore_et_al.)/22%3A_Metals/22.10%3A_Chelating_Agents
https://www.sciencedirect.com/science/article/abs/pii/B978178242089700004X
https://www.britannica.com/science/chelating-agent
https://pubmed.ncbi.nlm.nih.gov/14621393/
https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-disodium-EDTA#section=2D-Structure
https://pubchem.ncbi.nlm.nih.gov/compound/Edetic-Acid#section=Structures
https://www.nature.com/articles/s41598-021-84571-5
https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/water/art-20044256

Image Sources
https://www.gettyimages.com
https://pubchem.ncbi.nlm.nih.gov/compound/Ethylenediaminetriacetate_2
https://commons.wikimedia.org/wiki/File:NaF.gif
https://en.wikipedia.org/wiki/File:1904_Hemoglobin.jpg
https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-disodium-EDTA#section=2D-Structure
https://commons.wikimedia.org/wiki/File:Metal-EDTA.svg
https://commons.wikimedia.org/wiki/File:E._coli_Bacteria_(7316101966).jpg
https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-disodium-EDTA
https://commons.wikimedia.org/wiki/File:Sodium_calcium_edetate.svg
https://commons.wikimedia.org/wiki/File:EDTA.svg