This week Reactions explores the chemistry and science that goes on to the nutrients when you cook vegetables. Vegetables are chock-full of essential vitamins and minerals, but how should you eat them to get the most nutritious bang for your buck? Raw? Sauteed? Frozen? You might want to eat those fresh green beans right away, for one — flash-frozen green beans kept for months have up to three times more vitamin C than week-old beans kept in the fridge. And did you know that oil-based dressing and avocados can help you absorb more nutrients from that kale salad.

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Roberto Daglio – Mr Fantastic

Producer:
Elaine Seward

Writer:
Tien Nguyen

Executive Producer:
Adam Dylewski

Scientific consultants:
Francisco Barberán, Ph.D.
Darcy Gentleman, Ph.D.
Kyle Nackers

Sources:
Vitamin C fact sheet – https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/
Vitamin B fact sheet – https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/
Vitamin A fact sheet – https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/
Vitamin E fact sheet – https://ods.od.nih.gov/factsheets/VitaminE-HealthProfessional/
Vitamin K fact sheet – https://ods.od.nih.gov/factsheets/VitaminK-HealthProfessional/#h3
Magnesium fact sheet – https://ods.od.nih.gov/factsheets/Magnesium-Consumer/
Iron fact sheet – https://ods.od.nih.gov/pubs/usdandb/Iron-Food.pdf#search=%22iron%22
Calcium fact sheet – https://ods.od.nih.gov/factsheets/Calcium-Consumer/
Local produce nutrition – http://www.tandfonline.com/doi/full/10.1080/09637480701453637?scroll=top&needAccess=true
Nutritional comparison of frozen vs. fresh green beans – http://ucce.ucdavis.edu/files/datastore/234-779.pdf
Effect of ethylene gas on vegetables – http://carrotmuseum.co.uk/EthylenePDF.pdf
Cooking helps break down cell walls and release nutrients – http://well.blogs.nytimes.com/2013/10/18/ask-well-does-boiling-or-baking-vegetables-destroy-their-vitamins/?_r=0
Cooking method effect on nutritional value of broccoli comparison – http://pubs.acs.org/doi/abs/10.1021/jf072304b
Cutting vegetables in larger chunks to reduce leaching – http://www.leeds.ac.uk/yawya/science-and-nutrition/The%20effects%20of%20cooking%20on%20nutrition.html
Trans fat impact on health – http://www.heart.org/HEARTORG/HealthyLiving/HealthyEating/Nutrition/Trans-Fats_UCM_301120_Article.jsp#.WIeCorGZPBJ
Full fat dressing for better carotenoid absorption – http://ajcn.nutrition.org/content/80/2/396.full
Raw diet impact on lycopene and carotenoids – https://www.ncbi.nlm.nih.gov/pubmed/18028575
Lycopene in Tomatoes – http://researchnews.osu.edu/archive/lycoproc.htm
Carotenoids – http://lpi.oregonstate.edu/mic/dietary-factors/phytochemicals/carotenoids

Ever wonder why dogs sniff each others’ butts? Or how Adderall works? Or whether it’s OK to pee in the pool? We’ve got you covered: Reactions a web series about the chemistry that surrounds you every day.

Reactions is produced by the American Chemical Society.

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SOURCES:

Scientific References:

‣https://www.researchgate.net/publication/281938190_Are_folates_carotenoids_and_vitamin_C_affected_by_cooking_Four_domestic_procedures_are_compared_on_a_large_diversity_of_frozen_vegetables
‣https://www.researchgate.net/publication/284786193_A_review_of_the_impact_of_preparation_and_cooking_on_the_nutritional_quality_of_vegetables_and_legumes
‣ https://sciencebasedmedicine.org/microwaves-and-nutrition/

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About me: I’m a Canadian natural pro bodybuilder and internationally-qualified powerlifter with a BSc in biochemistry/chemistry and a passion for science. I’ve been training for 12 years drug-free. I’m 5’5 and fluctuate between 160 lbs (lean) and 180 lbs (bulked).

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Disclaimers: Jeff Nippard is not a doctor or a medical professional. Always consult a physician before starting any exercise program. Use of this information is strictly at your own risk. Jeff Nippard will not assume any liability for direct or indirect losses or damages that may result from the use of information contained in this video including but not limited to economic loss, injury, illness or death.

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