Textbook Notes (367,747)
Canada (161,363)
Chemistry (198)
CHEM 181 (47)
Chapter

woc 5- spinach and the b vitamins.docx

2 Pages
110 Views
Unlock Document

Department
Chemistry
Course
CHEM 181
Professor
David Harpp
Semester
Winter

Description
pages 133136 SPINACH AND THE B VITAMINSSpinach is an outstanding source of folic acid a B vitamin which is increasingly being linked with a plethora of health benefitsIn 1969 Dr Kilmer McCully was investigating the case of an 8 year old boy who died from a stroke because he was suffering from homocystinuria a condition where homocysteine builds up in the blood Homocysteine is a metabolite of methionine and usually homocysteine is rapidly metabolized Looking at the childs arteries they were as clogged as an old mans McCully wondered if his death was really due to homocysteine o Dr McCullys conclusion from studying more children with this condition was that children with high homocysteine showed artery damage typical of that seen in older men He injected homocysteine into rabbits and showed artery damage Therefore he suggested that homocysteine was a risk factor for heart disease with damage being done quicker with higher levels of homocysteine o But he ended up getting firedbecause it was more accepted at the time that cholesterol was the number one culprit o However he was eventually vindicated when a 1992 Harvard study showed that those whose blood levels of homocysteine were in the top 5 had a heart attack risk that was three times greater than that seen in subjects with the lowest levels Other studies showed similar resultsHowever knowing a risk factor is only good if you can then do something about it It turns out that you can o Homocysteine forms through the action of certain enzymes
More Less

Related notes for CHEM 181

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit