Processed foods are an important part of our daily diet, from the bread we bake in the morning to the ready meals we heat up for dinner.
However, not all processed foods are created equal. Understanding the differences can help you make healthier choices.
What are processed foods?
Processing food simply means transforming it from its original form. This is done through methods such as pasteurization, canning, drying, and freezing to preserve shelf life.
The following are two common types of food processing as defined in the Food Processing Act: NOVA Classification System:
- minimal processing: This includes basic methods such as pasteurization to kill bacteria or canning to preserve fruits and vegetables.
- ultra processing: This involves more complex processes that change the texture and structure of the food, often adding preservatives, emulsifiers and other additives.
It is the latter type, ultra-processing, that has become a concern among health professionals.
Ultra-processed foods are a broad category that includes packaged snack chips, chocolate candies, breakfast cereals, and more.
scientific research Increasingly, these foods are being linked to health problems such as obesity and type 2 diabetes.
for example, randomized controlled trial People who ate a diet in which 80% of calories came from ultra-processed foods ate about 500 more calories per day than those whose diets consisted of 90% unprocessed foods.
Are all ultra-processed foods bad?
It’s important to dig deeper into the details.
- observational study: These studies show that some UPFs, such as fiber-rich bread and cereals, may reduce the risk of: type 2 diabetes, other foods such as cakes, cookies, and soft drinks may increase the risk of type 2 diabetes and heart disease. some additives increased risk of certain diseasesBut this evidence inconsistent.
- randomized controlled trial: but high-quality trial Ultra-processed diets have been shown to have higher calorie intake than unprocessed diets, with ultra-processed diets being nearly twice as energy dense and lacking in whole fruits and vegetables. This is important because it is well established that energy-dense diets are more likely to result in: Voluntary excessive intake of calories.
Therefore, the best evidence to date seems to suggest that there are two main reasons why a diet high in UPF may have negative health consequences.
- Low in total plant-based food content: Ultra-processed diets typically lack plant-based foods such as fruits, vegetables, legumes, nuts, and seeds.
- high energy density: These diets contain more calories per gram, making it easier to overeat and gain weight.
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Tips for enjoying processed foods
In general, many UPF foods, including potato chips, pastries, and other snacks, do not promote health and should only be enjoyed as snacks.
However, if you eat other types of UPF, such as ready-to-eat meals or supermarket sandwiches (which tend to be low in vegetables), you can increase the nutritional value of your diet by adding plenty of whole plant foods as well.
This helps in two ways.
- Adding more vegetables to your meals will lower their energy density, helping you feel full without overeating.
- The fiber in these foods helps feed the bacteria in your gut microbiome. We think this helps prevent your microbiome from absorbing too many calories.!
Here are some actionable tips for putting science into practice:
- Add fruits, nuts, and seeds to your cereal: Frozen berries work well, or grate an apple and make overnight oats.
- Add extra vegetables to your prepared meals: You can easily make it by using vegetables that can be used in the microwave.
- Eat a piece of fruit with a protein shake: Adds dietary fiber to provide satiety.
- Fill your bread with avocado, cucumber, and tomato: Make your sandwiches healthier with delicious additives.
- Get creative with the ingredients inside your burger: For a delicious twist, try using eggplant, mushrooms, or even pineapple slices.
Frequently Asked Questions
Are all processed foods harmful to health?
Not necessarily. Ultra-processing can result in foods that: They are high in fat, low in fiber, and often contain unhealthy ingredients. It’s like adding sugar and salt, but you can still get nutritious and convenient foods through other types of processing, like canning beans or freezing vegetables.
What are examples of processed foods?
Processed foods are usually altered from their original state for convenience, preservation, or taste. Common examples include:
- canned food: Foods such as soups, beans, and canned fish are often processed to extend their shelf life.
- frozen food: Ready-made dinners and pre-cooked meats are usually processed to make meal preparation faster and easier.
- Packaged Snacks: Items like chips, biscuits, and granola bars are often highly processed to increase flavor and longevity.
- Beverages: Soft drinks, flavored milk, and some fruit juices are processed and often have added sugars and other additives.
- bread and baked goods: Many store-bought breads, cakes, and pastries are made using refined flours and preservatives to keep them fresher longer.
- breakfast cereal: Cereals range from minimally processed oats to highly processed options with added sugars and artificial flavors.
- Seasonings and Sauces: Ketchup, salad dressing, and pasta sauce are typically processed with additional salt, sugar, and preservatives.
What should you look for on food labels when buying processed foods?
Check the ingredient list and nutrition facts panel. Look for foods with saturated fat, sodium, high-fructose corn syrup, or other added sugars. And enjoy foods that are high in energy density (also known as calories) and low in whole plants, in moderation.
Are the fortified vitamins and minerals commonly found in processed foods as effective as those found in whole foods?
It can be fortified with vitamins and minerals. effective Addresses specific nutrient deficiencies and improves overall nutritional intake. However, this is not always the case: Get your nutrients from whole food sources.
Are there healthier alternatives to processed foods?
That’s right. Eating as much of your diet as possible from whole foods, such as fruits, vegetables, whole grains, legumes, nuts, and seeds, is generally a healthier choice. Minimize your intake of foods high in saturated fat, added sugar, or high in calories.
Can processed foods be part of a healthy diet?
Yes, in moderation. It’s important to balance processed foods with nutritious whole foods and be mindful of your portion sizes and overall dietary pattern.
How does food processing affect the nutritional properties of food?
Food processing can sometimes reduce the nutritional quality of food. For example, replacing whole wheat with refined white flour, which is used in making chips and crackers, removes most of the beneficial fiber. However, some processing methods, such as canning or freezing, can preserve nutrients.
conclusion
Food processing can affect the nutritional quality of foods in complex ways. Diets where most calories come from ultra-processed foods are not recommended.
However, it is important to recognize that not all ultra-processed foods are the same. There is evidence that some ultra-processed foods, such as high-fiber breads, may actually be beneficial.
By making small, smart changes to include more whole plant foods and reduce the energy density of your meals, you can enjoy a balanced diet without completely giving up convenience. Remember, it’s important to make informed choices and find the balance that works for you!