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Gourds and Goblins

10/23/2013

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The costumes are being prepared, the jack-o-lanterns are being carved and the trick-or-treat candy is being bought.  It can only mean one thing: Halloween is around the corner.  Halloween, or All Hallows’ Eve, originated as a remembrance of the deceased.  The jack-o-lantern was a symbol to ward off evil spirits.  In more modern times, the symbols of Halloween, such as gourds in all shapes and sizes, cornhusks and hay bales, are associated with the harvest.

Typically, pumpkins and apples are common foods around this time of year.  I remember Halloween parties where we would bob for apples.  Candied apples were a treat given to the kids.  Fear of tampering and contamination has reduced this old tradition.  Besides apples, pumpkins are probably the primary food that is associated with Halloween.  Pumpkins are everywhere -- in the supermarkets, by your front door and in the foods we make in October and November. 

Pumpkins are members of the squash or gourd family that also includes cucumbers, winter and summer squashes, and melons.  Pumpkins have a range of shapes, sizes and colors.  In fact, the largest pumpkin of 2013 just weighed in at 2,032 pounds! One would need a forklift to move it around.  The name “pumpkin” originated from the Greek meaning “large melon”.  As pumpkins are native to Central America, they were a staple in the Native American diet.  Pumpkins typically have orange or yellow skin.  The coloration is due to the pigments found in the skin and pulp.  Like almost all winter squashes, the skin of pumpkin is inedible.  But the pulp has a mild and sweet flavor.

The pumpkin’s orange and yellow colors are due to antioxidants, specifically beta-carotenes.  In fact, there are an exceptional amount of these carotenes found in pumpkin.  The carotenes possess strong antioxidant properties.  Antioxidants help protect us by neutralizing free radicals that are formed from our own metabolism as well as from environmental toxins.  Antioxidants are associated with protecting us against heart disease and the development of type II diabetes.  In addition, according to the National Cancer Institute, beta-carotenes may aid in the prevention of cancer development.  The National Institute of Health (NIH) recognizes that food sources of beta-carotenes support our bodies better than supplements, possibly due to the other synergistic antioxidants found in food sources.  The carotenes also support our immune system by increasing the production of T cells that fight off disease.  For more about boosting your immune system, click here.  There are more than 600 known carotenoids but only a handful that we may have heard about such as beta-carotene, lutein, and zeaxanthin.

In humans, beta-carotene is converted to vitamin A.  Pumpkins possess one of the highest levels of vitamin A with about 246% of the RDA.  Vitamin A is supportive of our skin, our lungs and our mucous membranes.  For more about skin health, click here.  Vitamin A is also associated with eye health and good vision.  Just like pumpkins, orange-colored foods such as carrots, sweet potatoes, and other squashes are high in vitamin A due to the beta-carotenes.  Keep in mind that the vitamins found in crops may have triple the amount of nutrients when consumed in season (for pumpkins, it is the fall) and when they are produced locally. 

Pumpkins also contain fiber.  A one-cup serving of pumpkin has 3 grams of fiber.  Most of the US population doesn’t consume enough fiber so eating high fiber foods will have a positive impact.  Fiber helps in improving our good cholesterol levels by escorting the LDL or bad cholesterol out of our bodies.  In addition, fiber aids in reducing the amount of food we eat and thus can help in weight loss.  Other nutrition facts about pumpkin:  it is low in calories—one cup of unadorned pumpkin is only 49 calories.  Pumpkin contains no saturated fat or cholesterol.  It is also a good source of vitamin C, some of the B vitamins, potassium, iron, calcium and copper.

Not only is the flesh full of nutrients but also the pumpkin seeds are edible and a wonderful source of protein, minerals, vitamins and omega 3 fatty acids.  As the seed is the growth vehicle for the new pumpkin, it concentrates the essential needs of the new plant into this small packet for it to grow.  Pumpkin seeds are an excellent source of dietary fiber and good fats.  Try to include them in salads or as an easy snack.  You may even find small packages to give out as a healthy substitute for candy. 

When buying pumpkins, choose ones that are firm and feel heavy for their size.  The skins should be hard and dull, not glossy.  If it is mushy, it is a sign of rotting inside.  Store pumpkins away from light and extremes of temperature until ready to use.  They can be stored for many weeks at room temperature.  Pumpkins can easily be substituted for butternut squash in recipes.  Soups, stews, muffins and pies are all ways to incorporate pumpkin into your food.  Also simply baking pumpkin cubes drizzled with some olive oil is a healthy way to eat this delicious fall staple.  For a delicious stew recipe, click here. 

Enjoy the goblins and witches wandering about and try giving some healthier treats or coins to the kids this year.  Happy Halloween!


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Don't Fall for Fall's Bugs

10/7/2013

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The temperatures are cooling, the leaves are changing colors and the kids are coming home from school with the sniffles and first colds of the season.  Is there anything to do to make you and your family less susceptible to these nasty autumn and winter germs?  We know some basic strategies are to eat well, exercise, wash hands, get adequate sleep and reduce stress.  Let’s delve into the specifics of the important nutrients that enhance our immune systems to give us maximum fighting ability against these bacteria and viruses. 

The first line of defense our bodies employ is a barrier, namely our skin and the gastrointestinal (GI) tract.  The cells lining the GI tract are the same type of cells as found on our skin.  The GI tract cell lining has 150 times more surface area than our skin.  Did you know that our GI tract makes up about 70% of our immune system since it is the area that comes in contact with the largest quantity of foreign molecules and organisms in the body?  Each morsel you put in your mouth must be analyzed for any potentially dangerous components.  In fact, we are exposed to 1000s of germs every single day!

Our immune systems provide the next stage for the attack of any outside invaders that could harm us.  The cells of the immune system, primarily T cells and B cells, are continually coursing through our blood and lymph searching for these organisms to neutralize and ultimately destroy. 

We can augment our immunity by consuming macro- and micronutrients that will support these cells.  First, we want to eat protein-rich foods.  Deficiencies in protein consumption, even by just 25%, have been shown to reduce the number and function of immune cells and antibodies.  Amino acids are the by-products of protein breakdown and the proper balance of amino acids is necessary to ensure a healthy immune response.  Next, a deficiency of essential fatty acids, especially omega 3 fatty acids, leads to poorer immune system function.  Research has shown that omega 3 fatty acids enhance B cell functioning and are anti-inflammatory in nature.  The omega 3s also support the GI cells.  Generally, the omega 6 fats are inflammatory.  It is best to consume more omega 3s to obtain a better omega 3 to omega 6 ratio, ideally 2 or 3 to 1.  For more about fats, click here. 

There are a number of micronutrients that are important to our overall immune health. 

·      Vitamin C seems to work by decreasing the length of time and severity of infections by supporting the functioning of our T cells.  Vitamin C is also an important antioxidant that helps to quench free radicals and reduce inflammation.  Good sources of vitamin C are red bell peppers, strawberries, broccoli, Brussel sprouts, kiwi, citrus and papaya. 

·      Vitamin A supports the epithelial cells of the skin, GI tract and lungs, which are mainly the barrier cells written about above.  Vitamin A is also important in the production of the protective mucous in the digestive tract.  Vitamin A assists in antibody function and T cell activity.  Vitamin A-rich foods include carrots, sweet potatoes, parsley, kale, spinach and collard greens. 

·      B vitamins are supportive of the immune system.  B2, along with other B vitamins, may enhance our resistance to bacterial infections.  B5 is important to antibody production.  B6 assists with T cell functioning.  Folic acid deficiency results in a decrease in T cells.  Finally B12 supports the neutralization process to destroy germs.  Typically B vitamins are found in most whole grains, many vegetables and fruits.  However, not all foods contain all the types of B vitamins.  B12, for example, is primarily obtained only from animal products.  Vegetarians need to supplement with B12 since they cannot obtain this vitamin from their food consumption.  

·      Vitamin E plays a role in increasing antibody response.  It is also an antioxidant that works with vitamin C synergistically.  Vitamin E is a component to healthy cell membranes allowing for healthier cellular mechanics. Good sources are sunflower seeds, almonds and spinach. 

·      Zinc is essential for our immunity.  Deficiencies in zinc result in our lowered T cell functionality.  Sources of zinc include grass fed beef, lamb, oysters, wheat germ, spinach and pumpkin seeds.

·      Iron is needed for improved antibody responses and enhanced T cell functioning.  Food sources are grass fed beef, egg yolks, dark leafy green veggies, wild mushrooms and turkey. 

·      Copper works with the immune system by helping fight infections at the T cell level.  Copper and zinc need to be kept in balance so it is best to obtain the balanced levels from foods instead of supplements.  Copper-rich foods include sesame seeds, cashews, soybeans, barley and sunflower seeds. 

·      Selenium, another antioxidant, is anti-inflammatory in nature.  Good sources are Brazil nuts, sunflower seeds, fish, meat, wild mushrooms and eggs. 

Antioxidants are nature’s way to keep us healthy.  They are found in vegetables and fruit and support us by neutralizing free radicals formed from our normal metabolism and environmental toxins.  These compounds help prevent illness and disease.  The more colorful the produce, the more antioxidant potential it has.  For more about antioxidants, click here.

If our nutrition is poor, the result may be impaired immunity resulting in increased infections and complications.  So eat the seasonal produce since they may have up to three times the amount of nutrients when grown in season and are not subject to the losses incurred during transit.  For a wonderful immune supporting soup, click here.  Here’s to a healthy fall season. 
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