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Is Avocado full of zinc?

Avocados provide 8 percent of the RDA of zinc for adult women, and nearly 6 percent of the zinc RDA for men in each ripe half. Zinc supports immune, cardiovascular and endocrine system function.

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Avocados contain small amounts of calcium, manganese and phosphorus, but they are especially rich in potassium, zinc, magnesium and iron. A high intake of these minerals may decrease your risk of developing a number of chronic diseases. While avocados can be a good addition to a healthy, produce-rich diet, they contain a large amount of saturated fat. Consuming lots of saturated fat may raise your blood cholesterol levels. If you are on an eating program designed to control your intake of saturated fat or cholesterol, talk to your doctor about the benefits and drawbacks of eating avocados regularly. Potassium Half of a medium-sized avocado -- approximately 100.5 grams -- contains 487 milligrams of potassium. This amount fulfills 10.3 percent of the U.S. Department of Agriculture's recommended daily allowance of potassium for healthy adults adhering to a 2,000-calorie diet. Potassium helps strengthen bones. It is an electrolyte as well as a mineral and is required for proper cardiac, skeletal and smooth muscle contraction. Eating plenty of potassium-rich foods such as avocados may help prevent kidney stones, osteoporosis, stroke and high blood pressure. Breast-feeding women and people using diuretics, decongestants and strong antibiotics like penicillin are at a greater risk of being deficient in potassium, and should be careful to include plenty of dietary potassium sources in their daily meals. Zinc Avocados provide 8 percent of the RDA of zinc for adult women, and nearly 6 percent of the zinc RDA for men in each ripe half. Zinc supports immune, cardiovascular and endocrine system function. As an antioxidant, it can inhibit the ability of free radical compounds to damage DNA and cellular tissue. Adequate zinc intake may lower the risk of attention deficit hyperactivity disorder in children and ease the symptoms of ulcers and colds. Zinc is more readily absorbed if it is eaten along with a source of protein. Try topping grilled chicken, fish or lean steak with guacamole or an avocado-based salsa. Or, combine diced avocado with low-fat cheese and beans in a tossed green salad. Magnesium Each avocado half provides 9.3 percent of the RDA of the mineral magnesium. Magnesium regulates the levels of other essential vitamins and minerals in the body and helps maintain the strength of bones and teeth. If your diet does not contain enough magnesium, you may be more likely to develop hypertension, depression, diabetes and osteoporosis. Consuming plenty of high-magnesium foods such as avocados may also help control the severity of migraine and premenstrual syndrome symptoms. If you are involved in heavy athletic activity, recovering from a major illness or surgery or are pregnant, you may require more magnesium than normal. Include magnesium-rich foods in your diet and talk to your doctor about ways to increase your magnesium intake.

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Can zinc cause blood clots?

There is a lot of evidence linking zinc to blood clotting. Zinc is released from cells called platelets that control blood clotting, and scientists have found unwanted blood clots can form when zinc levels in the blood are faulty.

Studying the role of zinc in blood clotting

Characterisation of zinc-dependent heparin neutralisation by fibrinogen and histidine-rich glycoprotein (Ms Amelie Sobczak)

Dr Alan Stewart (lead researcher)

University of St Andrews

Start date: 27 October 2015 (Duration 3 years)

Supervised by Dr Alan Stewart, the PhD student on this project is studying how zinc is involved in blood clot formation and if zinc is important for why some heparin-based drugs do not work. There is a lot of evidence linking zinc to blood clotting. Zinc is released from cells called platelets that control blood clotting, and scientists have found unwanted blood clots can form when zinc levels in the blood are faulty. Also, histidine-rich glycoprotein (HRG) and fibrinogen, which are proteins in the blood that stop the action of natural anti-clotting factors called heparins, depend on zinc to work. Heparin molecules vary in size. Short sized heparin-based drugs are currently used to treat problems with clotting. These are more effective than other types of heparin, but we don’t currently understand why. Dr Stewart has found that zinc affects the ability of HRG to prevent different types of heparin from working. But less is known about how zinc controls fibrinogen. In this project, the PhD student will establish how effectively HRG and fibrinogen stop heparins from working at amounts of zinc found in healthy people and people with heart disease. This work is enhancing our knowledge of how zinc controls blood clot formation and may explain why some heparin-based drugs are not effective at treating blood clots.

Project details

Grant amount £116,080 Grant type Fellowships Application type PhD Studentship Start Date 27 October 2015 Duration 3 years Reference FS/15/42/31556 Status Complete

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