• Thursday, February 23, 2012

    Facts about Nutrition Facts

    As a meat head, and now even more, as a mom, I am always turning food packages over to look at the Nutrition Facts and the Ingredient Statements. They have to be on the food package or provided to the consumer is some easy-to-access way. There are a few exemptions for small processors and very small food packages, but for the most part, they have to be there.

    I am always surprised when I visit with people about their food, and we turn the package over to look at the Nutrition Facts and they say things like, “Wow, I didn’t realize that had so much ______!” or “I never thought to look at the _____ level in this.”

    The Food and Drug Administration (FDA) mandates how Nutrition Facts must be presented on food labels. They even have rules about the font type and lettering size. That is why the Nutrition Facts on all US foods look the same. (On a side note: I love to look at food products in other countries to see how their Nutrition Facts are presented.)





    This is a Nutrition Fact label from some beef jerky. I downloaded it off the internet.


    Under the large words “Nutrition Facts”, the label will tell you what is considered a serving size. The serving size should provide it in a weight increment (grams, ounces), and if applicable, a number or pieces. This is where I always get myself into trouble. My idea of a serving and the food manufacturer’s idea of a serving may not always be the same (especially Girl Scout cookies). Nevertheless, the serving size on the label is what the Nutrition Facts are based on. If you eat more than that (like, a whole box of Thin Mints), you’re getting more calories, fat, sodium, or whatever, than what’s in one serving.

    In addition to serving size, is Servings Per Container. This is really helpful when the serving size can’t be counted (like number of cookies). If there are three servings per container, then you know you can eat about 1/3 of the package and be getting about one serving. If you decide to eat the whole package (or box of cookies), then you just have to multiply the number of servings you ate by the facts on the label.



    Calories are the next piece of information. Most people know what those are and where to find them on the label. Just remember, that number is calories per serving.

    Across from Calories is Calories from Fat. The Dietary Guidelines for Americans suggests that, to maintain a healthy weight, we should eat a diet with a balanced calorie load. They suggest that about 30% of our calories come from fat sources. Fat provides more calories (9 per gram) than protein and carbohydrates (4 calories per gram), so it’s easy to get carried away with fat in our diets.

    The next few lines provide information about specific nutrients that consumers may want to try to maximize or minimize. On the left the nutrient is listed (Total Fat, Cholesterol) with the actual amount of that nutrient provided in grams or milligrams. In the column on the left, there is a list of percentages. For each ingredient, the FDA has calculated a recommended daily value, which is the amount of that ingredient that people should consume each day. Those percentages tell you how much of that daily value one serving of this food will provide. For some nutrients (total fat, cholesterol, sodium), you will be trying to stay below the daily value and for others (Vitamins, Iron, Calcium), you will be trying to get up to it. Now, to make things even more complicated, people don’t eat 2,000 calories a day. If you are dieting and you eat less than 2,000 calories, your percentages will go up, and if you eat more than 2,000 calories, your percentages will go down.

    Total fat is usually a nutrient that you are trying to limit. Under Total Fat, the information is further broken down into Saturated Fat and Trans Fat. Saturated Fats are the more solid fats like those found in coconut oil, beef tallow, and butter. The Dietary Guidelines suggest that you limit saturated fat to 10% of your calorie intake or about 20 grams per day.

    Trans fats are found naturally in some foods and are produced in some foods during cooking and processing. They are actually unsaturated fats that have been altered so that they act like saturated fats in foods and in your body (that may be a topic for a whole other blog post). There is no dietary requirement for trans fats, so no percentage will be provided, but the Dietary Guidelines suggest that you limit your trans fat intake, so the amount found in foods provided on the nutrition label.

    Cholesterol is going to be found in most foods that come from animal sources. The recommended daily value for cholesterol is 300 mg.

    Sodium is most commonly associated with salt. Although sodium is a requirement for basic metabolism, Americans generally consume more sodium than what is recommended (2,300 mg). Sodium can be ‘hidden’ in lots of foods. Most people associate high sodium levels with salty snacks and processed meats (bologna, hot dogs, ham), but foods like breads, cheese, and especially ready-to-eat meals like Asian noodle dishes or instant soups. Several foods contain sodium and sodium content is related to total calorie intake. It’s very hard to control sodium intake, but I try to keep an eye on it.

    Carbohydrates are made up of sugars, starch and fiber, and contribute to calories at a rate of about 4 calories per gram. Sugars are just simple carbohydrates, which are just rings of carbons. The sugars are what your body breaks down for energy (and to make fat). Complex carbohydrates are those same rings of carbons all linked together. In starches, the sugars are linked together in a manner that our body can digest and break down into sugars that we can use for energy. In fiber, the sugars are linked together in a manner that our body cannot break down. So, we don’t absorb the sugars and the fiber just moves on through our digestive system.
     

    So, total carbohydrates should be all sugars, starch and fiber. Sugars and fiber are shown on separate lines, and the balance should be starch. In meat products, you won’t find much sugar or fiber, but starches are commonly added to sausages and in breadings.

    Last on this list is protein. Protein needs are highly dependent on age, activity level, genetics, musculature, lots of things. So, percent daily value is not shown. Meat products will contain high levels of protein. Remember that protein contributes to calories, too (4 calories per gram).

    Most nutrition fact labels will also give you a percent daily value for one serving of the vitamin A, vitamin C, calcium, and iron. Meat products wouldn’t be expected to have very high levels of vitamins A or C or calcium, but they should supply some iron. And, the iron provided is heme iron, which means it’s readily available for use by our bodies.

    That pretty much sums up the Nutrition Facts found on the back of the package. I used a Nutrition Facts label from some Steak Fingers to try to sum all the information into one

    Ingredient Statements. You should also find the ingredient statement on the back of your food package. It will list out all the ingredients found in the food from the most to the least.

    This is a package of summer sausage found in my aunt’s fridge. According to the ingredient statement, pork is the most prevalent ingredient (found in the highest percentage), followed by beef and salt. Another thing to remember is that if an ingredient is NOT in the ingredient list, it is NOT in the food. No matter what you read on the internet or see on TV, if it’s in the food, it has to be in the ingredient list.


    I hope this is helpful. I really enjoy it when I see people turn their food packages over to look at the Nutrition Facts and learn something new. It’s important to know as much as you can about the food you are feeding your family, but be sure that you know the facts. 

    I’ve included a few extra links if you’d like some more in-depth information. This is a PowerPoint file from FDA about nutrition labels and here is an FDA video – Food Labels and You. There is also lots of information about the dietary guidelines and where our nutrients come from in Chapter 2 and Chapter 3 from the Dietary Guidelines for Americans.

    5 comments:

    1. Nice postin my view both are essential for fitness. Because a balanced diet is need for keep one’s metabolic system easy and normal on other hand exercise help to active this system.

      ReplyDelete
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      Drink a plenty of water.

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      Replies
      1. Thanks for the great comment. Most of my info comes from things I learned in class when I was working on my degree or things I learned from people in the industry.

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