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Sulforaphane - Eat Your Broccoli Sprouts / Brassica / Cruciferous Vegetables

Sulforaphane (SFN) - “Eat Your Broccoli !”

 

SFN –Healthful / Anti-cancer phytochemical in cruciferous vegetables

Cruciferous vegetables are rich sources of glucosinolates, which the body metabolizes into isothiocyanates such as SFN - Numerous studies have shown that sulforaphane provides a number of health benefits, including anti-cancer properties.

Anti-cancer properties –a study, led by Dr. Emily Ho, associate professor at the Linus Pauling Institute at Oregon State University, discovered thatSFN selectively targets benign hyperplasia cells and cancerous prostate cells, while leaving the normal prostate cells unaffected.

–   SFN inhibited the enzyme histone deacetylase(HDAD) that plays a critical role in expression of tumor suppressor genes –and so is being pursued from both a pharmaceutical and dietary approach.

Don't overcook your veggies (steaming is best)

–   Destroys vital enzyme for SFN formation - a Univ. of Illinois study found that overcooking broccoli destroys the enzyme myrosinase, which is needed for SFN to form. Broccoli powder supplements do not contain myrosinase.

–   Boiling leaches glucosinolates into cooking water -boiling cruciferous vegetables for9 - 15 minutes decreases total glucosinolate content by 18 - 59 %.

"British Journal of Nutrition.", Sep 2003

3-day old broccoli sprouts are the richest food source of glucoraphanin, the precursor to SFN - offering 10 to 100 times more of it, by weight, than mature broccoli plants or cauliflower "Proceedings of the National Academy of Sciences." , Sep 1997. Per 100g serving, broccoli sprouts provide ~250 mg. glucoraphanin. 1-oz. serving provides 73 mg.

Lightly cooked, they taste similar to steamed spinach.

Brussels Sprouts and Cabbage are good SFN sources –of the cabbages, savoy and red cabbage are particularly high in SFN precursor, glucoraphanin, retaining most phytochemicals when eaten raw E.g. in a coleslaw..

3-day old Broccoli Sprouts

Brussels

Sprouts

Chopped Savoy

Cabbage

Chopped Red

Cabbage

Totalglucoraphanins

1 oz. = 73 mg

½ Cup = 104 mg

total glucosinolates

35 mg

29 mg

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