Sunday 12 January 2014

Food Therapy - Beet (Beta vulgaris) and Hypertension

Beet is best known as the beetroot or garden beet and belong to the amaranth family. It is a perennial plant with leafy stems growing to 1–2 m tall.
Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood. High blood pressure means raising pressure in your heart.If it stays high over time it can damage the body in many ways.

Nutrients and chemical Constituents
1. Energy
2. Carbohydrates
3. fiber
4. Protein
5. Vitamin A
6. Beta-carotene
7. Trytophan
8. Thiamine (Vitamin B1)
9. Riboflavin (Vitamin B2)
10. Niacin (Vitamin B3)
11. Pantothenic acid (Vitamin B5)
12. Vitamin B6
13. Folate (Vitamin B9)
14. Vitamin C
15. Calcium
16. Iron
17. Magnesium
18. Copper
19. Phosphorus
20. Potassium
21. Zinc
22. Magnesium
23. Betacyanin
24. Betaine
25. Etc.
Beside the major chemical constituents betalains and phenolics, it also contains lesser amount of isobetanin, probetanin, neobetanin, indicaxanthin, vulgaxanthins, etc.

The Benefits
Consumption of beetroot juice on a low nitrate diet is said to lower blood pressure (BP) and therefore reduce the risk of cardiovascular events. In a fifteen women and fifteen men participated in a double-blind, randomized, placebo-controlled, crossover study, showed a positive effect of beetroot juice in addition to a normal diet in men. Other study also found a low dose of 100g exerts the significant hypotensive effects which was unaffected by processing or the presence of betacyanins. Also enriching bread with beetroot may be a suitable vehicle to increase intakes of cardioprotective beetroot in the diet and may provide new therapeutic perspectives in the management of hypertension.

Side effects
1.
Oxalates
 Oxalates in the beet can cause kidney and gallbadder problem. People with above diseases should contact their doctor before consuming.
2. Increase the rick of lowering calcium absorption for people with weak digestive system.
3. Etc.



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References

(1) Effect of beetroot juice on lowering blood pressure in free-living, disease-free adults: a randomized, placebo-controlled trial by Coles LT, Clifton PM.(PubMed)
(2) Effect of beetroot juice on lowering blood pressure in free-living, disease-free adults: a randomized, placebo-controlled trial by Coles LT, Clifton PM.(PubMed)
(3) Acute ingestion of beetroot bread increases endothelium-independent vasodilation and lowers diastolic blood pressure in healthy men: a randomized controlled trial by Hobbs DA, Goulding MG, Nguyen A, Malaver T, Walker CF, George TW, Methven L, Lovegrove JA.(PubMed)

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