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Dietitian explains what you should know about processed, ultra-processed foods

by Medical Xpress
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Processed, and especially ultra-processed, foods have been blamed for the national rise in obesity, high blood pressure and diabetes.

But what exactly are these foods, and are they really all that bad for you?

Defining processed foods

According to the Department of Agriculture, processed foods are any raw agricultural commodities altered from their original state. This includes washing, cleaning, milling, cutting, chopping, heating, pasteurizing, blanching, cooking, canning, freezing, drying, dehydrating, mixing or packaging.

While processing includes basic steps like washing, foods cross into ultra-processed territory when they contain preservatives, flavorings and other food additives, or substances approved for use in food products, such as salt, sugars and fats used to enhance flavor and increase shelf life.

Ranking foods from minimally to ultra-processed

Here’s how the Academy of Nutrition and Dietetics ranks processed foods from minimally to mostly or ultra-processed:

  • Minimally processed foods, such as fresh blueberries, cut vegetables and roasted nuts, prepped for convenience.
  • Foods processed at their peak to lock in nutritional quality and freshness including canned tomatoes, tuna, frozen fruit or vegetables.
  • Foods with ingredients added for flavor and texture, such as sweeteners, spices, oils, colors and preservatives, include jarred pasta sauce, salad dressing, yogurt and cake mixes.
  • Ready-to-eat foods like crackers, chips and deli meat, which are more heavily processed.
  • The most heavily or ultra-processed foods include sweetened breakfast cereals, soda, , artificially flavored crackers and , chicken nuggets and hot dogs.

Minimally processed foods have a place in healthy diets. For example, low-fat milk, whole-grain or wheat bread, precut vegetables and fresh-cut greens are considered processed foods. Dairy- and plant-based milks and juices may be fortified with vitamin D and calcium, while may have added fiber. Canned fruits packed in water or natural fruit juice can be part of a healthy diet when fresh fruit isn’t readily available.

Reading the labels

When choosing foods, do some investigative work by examining ingredient lists and analyzing the nutrition facts labels:

  • Avoid foods that contain additives and preservatives, such as , hydrogenated oils, food dyes, monosodium glutamate, sodium nitrates, sodium nitrites and sulfites such as , sodium bisulfite or sodium sulfite.
  • Cut back on ultra-processed foods and purchase more unprocessed or minimally processed foods.
  • Look for more natural ingredients.

When reading the nutrition facts labels, watch for hidden sugars, fats and salt, especially those added during processing.

Most labels now include added sugars. The Dietary Guidelines for Americans recommends that people older than 2 years of age get less than 10% of total calories from added sugars, or about 200 calories in a 2,000-calorie diet. Children younger than 2 shouldn’t have any added sugars in their diets. Learn to spot words like maltose, brown sugar, corn syrup, honey and fruit juice concentrate.

When it comes to sodium, people often comment that they salt their food. As it turns out, you don’t need to because manufacturers have already added salt for you, and it’s often too much. The Dietary Guidelines also recommends adults consume less than 2,300 milligrams of sodium per day. Look for low- or reduced-sodium foods. Also, try rinsing canned vegetables with water to remove some of the salt.

When checking fat content on labels, scan for saturated fats and . Choose foods lower in saturated fats. Trans fats are considered one of the worst types of fat because they can raise (LDL or “bad”) cholesterol and lower high-density lipoprotein (HDL or “good”) cholesterol.

2024 Mayo Clinic News Network. Distributed by Tribune Content Agency, LLC.

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Dietitian explains what you should know about processed, ultra-processed foods (2024, August 1)
retrieved 2 August 2024
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