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What are plant sterols?

A white heart-shaped bowl filled with heart healthy foods such as nuts, broccoli, kiwi and blueberries. A headshot of Sue is within the image with the caption reading "Ask a Dietitian."

 

 

 

 

 

 

 

Plant sterols are also called “phytosterols” (phtyo means plant). They’re like cousins to cholesterol because they have a similar structure, and are found naturally (in tiny amounts) in plant-based foods – such as fruits, vegetables, nuts, grains and vegetable oils.

If you have high blood cholesterol, plant sterols may be beneficial because they’ve been shown to decrease the levels of “bad” LDL cholesterol (Low Density Lipoprotein cholesterol) – this is the type of cholesterol that is a risk factor for heart disease.

In the body, plant sterols partially block the absorption of cholesterol. The cholesterol gets removed as waste (i.e. in our feces) which then results in an overall lower level of LDL cholesterol in your blood.

So, how much plant sterol is needed for this benefit? Research shows that eating 2 grams (2,000 milligrams) of plant sterols every day can lower LDL cholesterol levels by 8-10%. This amount is nearly impossible to get with regular foods since a typical healthy diet only contains about 200-400 milligrams of plant sterols.

To get 2,000 milligrams of plant sterols a day, you’ll need to consume foods and beverages that are fortified with plant sterols. In Canada, foods fortified with plant sterols include mayonnaise, margarine, salad dressing, yogurt, yogurt drinks, vegetable juice and fruit juice. A serving of these foods may contain up to 1 gram (1,000 milligrams) of plant sterols, so read package labels to check the exact amount. Plant sterol supplements are another option.

Plant sterols from food and / or supplements are not a substitute for a heart healthy diet or cholesterol-lowering medications. Always check with your doctor first before consuming foods or supplements with plant sterols because your medications may need to be adjusted.

5 Foods to Keep Your Heart Healthy!

Heart healthy foods Feb 20 2017 - Sue L - 1

February is Heart Month! Did you know that 9 out of 10 adults have at least one risk factor for heart disease? The good news is that eating the right foods can keep your heart healthy.

Watch my interview on CTV Your Morning

Whole grains
Barley and oats specifically contain a special type of fibre called beta-glucan. This type of fibre has been shown to lower blood cholesterol which is important since high blood cholesterol is a risk factor for heart disease. The beneficial amount is 3 grams of beta-glucan fibre which is found in 1 cup of cooked barley or 1½ cups of cooked oatmeal.

Try this recipe – Vegetable, Bean & Barley Stuffed Peppers


Nuts

Research shows that eating about 1.5 to 3.5 servings of nuts 5 times or more per week can also lower the bad LDL (low density lipoprotein) cholesterol. All nuts have high proportions of healthy fats – these are called monounsaturated and polyunsaturated fats – and it’s these fats which help to reduce our cholesterol levels. Nuts are packed with nutrition like protein, vitamin E, selenium, folate and even calcium but the calories do add up, so keep in mind that a portion size is about ¼ cup. One easy way to eat more nuts is to eat them as a snack. Or you can easily add nuts to your oatmeal, in your baking recipes or in a stir-fry.


Soy protein

About 20-25 grams of soy protein helps to lower blood cholesterol levels. Plus soy protein is a great vegetarian protein. To get this amount of soy protein, try any one of these options:
– ¾ cup cooked tofu or
– ¾ cup cooked edamame beans or
– 1 cup fortified soy beverage with ¼ cup roasted soy nuts

Fish
Fatty fish such as salmon, rainbow trout, artic char, mackerel and sardines are super sources of heart healthy omega-3 fats. These omega-3 fats can reduce inflammation and blood clotting. Aim to fish at least twice a week. A serving is 75 g of cooked fish or about the size and thickness of your palm.

Try this recipe – Salmon with Peanut Cucumber Relish

Veggies and Fruit
You can’t go wrong eating more fruit and veggies. Fruit and veggies are superstars for fibre, vitamins, minerals and antioxidants which protect us from not just heart disease but other health conditions too such as high blood pressure, cancer and diabetes. As a general rule, try to have 1-2 servings of veggies or fruit at every meal and snack. Or just think of filling half your plate with veggies and fruit at every meal.

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