Difference between revisions of "Choose Microwave Safe Containers"
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| − | In recent years, there has been growing concern about potentially hazardous substances leeching into food from microwave containers.<ref> http://www.health.harvard.edu/staying-healthy/microwaving-food-in-plastic-dangerous-or-not</ref> Most of the concern focuses on plastic containers, specifically those containing bisphenol-A (BPA) or phthalates.<ref>http://www.health.harvard.edu/staying-healthy/microwaving-food-in-plastic-dangerous-or-not</ref> But you may use the microwave for the convenience of reheating and thawing foods. By informing yourself on different products available to heat food in the microwave, you can choose the best containers for your needs and protect your health. | + | In recent years, there has been growing concern about potentially hazardous substances leeching into food from microwave containers.<ref name="rf1"> http://www.health.harvard.edu/staying-healthy/microwaving-food-in-plastic-dangerous-or-not</ref> Most of the concern focuses on plastic containers, specifically those containing bisphenol-A (BPA) or phthalates.<ref name="rf2">http://www.health.harvard.edu/staying-healthy/microwaving-food-in-plastic-dangerous-or-not</ref> But you may use the microwave for the convenience of reheating and thawing foods. By informing yourself on different products available to heat food in the microwave, you can choose the best containers for your needs and protect your health. |
[[Category:Basic Cooking Skills]] | [[Category:Basic Cooking Skills]] | ||
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== Steps == | == Steps == | ||
===Finding Safe Dishes=== | ===Finding Safe Dishes=== | ||
| − | #Be aware of potential health hazards. Some microwavable containers, especially those made of plastic, can be potentially harmful to your health. Others, like glass or plastic dishes, are better for your health.<ref>http://goaskalice.columbia.edu/answered-questions/are-plastic-wrap-and-containers-safe-microwaving-food</ref> Informing yourself about the potential dangers of certain types of microwave-safe containers may help you make a safer choice.<ref> http://goaskalice.columbia.edu/answered-questions/are-plastic-wrap-and-containers-safe-microwaving-food</ref> Some of the potential health hazards are: | + | #Be aware of potential health hazards. Some microwavable containers, especially those made of plastic, can be potentially harmful to your health. Others, like glass or plastic dishes, are better for your health.<ref name="rf3">http://goaskalice.columbia.edu/answered-questions/are-plastic-wrap-and-containers-safe-microwaving-food</ref> Informing yourself about the potential dangers of certain types of microwave-safe containers may help you make a safer choice.<ref name="rf4"> http://goaskalice.columbia.edu/answered-questions/are-plastic-wrap-and-containers-safe-microwaving-food</ref> Some of the potential health hazards are: |
| − | #*”Endocrine disruption,” which mimics human hormones.<ref | + | #*”Endocrine disruption,” which mimics human hormones.<ref name="rf2" /> This may have effects such as modifying chemical signals that regulate metabolism and reproduction.<ref name="rf5">http://www.goodhousekeeping.com/institute/a17859/plastic-safety-heat-food/</ref> |
#*Miscarriage and birth defects | #*Miscarriage and birth defects | ||
#*Lower sperm counts | #*Lower sperm counts | ||
| Line 12: | Line 12: | ||
#*Cancer | #*Cancer | ||
#*Obesity and diabetes | #*Obesity and diabetes | ||
| − | #*Neurobehavioral abnormalities.<ref | + | #*Neurobehavioral abnormalities.<ref name="rf5" /> |
| − | #Learn what substances to avoid. “Plastic” is a generic term for different materials, or plasticizers, that can form microwave containers. In particular, it’s plastic containers with BPA, phthalates, polyvinyl chloride, and polycarbonate that may harm your health. Although the Food and Drug Administration (FDA) closely regulates plastic containers and materials that come in contact with foods, you may still want to learn and avoid potentially hazardous chemicals.<ref | + | #Learn what substances to avoid. “Plastic” is a generic term for different materials, or plasticizers, that can form microwave containers. In particular, it’s plastic containers with BPA, phthalates, polyvinyl chloride, and polycarbonate that may harm your health. Although the Food and Drug Administration (FDA) closely regulates plastic containers and materials that come in contact with foods, you may still want to learn and avoid potentially hazardous chemicals.<ref name="rf2" /> The following containers may be harmful if microwaved with food: |
#*Plastic dishes | #*Plastic dishes | ||
#*Some Styrofoam containers | #*Some Styrofoam containers | ||
#*Plastic storage or shopping bags | #*Plastic storage or shopping bags | ||
#*Plastic wrap | #*Plastic wrap | ||
| − | #*Takeout food containers, water bottles, and plastic tubs or jars that hold foods like margarine, yogurt, mayonnaise, or mustard.<ref | + | #*Takeout food containers, water bottles, and plastic tubs or jars that hold foods like margarine, yogurt, mayonnaise, or mustard.<ref name="rf2" /> |
#*Soft plastic tupperware | #*Soft plastic tupperware | ||
| − | #Look for safety designations. In many cases, containers are manufactured to be microwave-safe and may have labels on their packing and the products indicating this.<ref>https://plasticsinfo.org/Functional-Nav/FAQs/Plastic-in-Microwave</ref> In addition, you may want to make sure that the containers also bear other markers that can indicate they’re safe for microwave use and your health. Check packaging and the product for the following symbols or statements: | + | #Look for safety designations. In many cases, containers are manufactured to be microwave-safe and may have labels on their packing and the products indicating this.<ref name="rf6">https://plasticsinfo.org/Functional-Nav/FAQs/Plastic-in-Microwave</ref> In addition, you may want to make sure that the containers also bear other markers that can indicate they’re safe for microwave use and your health. Check packaging and the product for the following symbols or statements: |
| − | #*A label ”microwave-safe”<ref | + | #*A label ”microwave-safe”<ref name="rf6" /> |
| − | #*A symbol of a dish with wave-like lines above it.<ref>https://plasticsinfo.org/Main-Menu/MicrowaveFood/Need-to-Know/Microwaving-Plastics</ref> | + | #*A symbol of a dish with wave-like lines above it.<ref name="rf7">https://plasticsinfo.org/Main-Menu/MicrowaveFood/Need-to-Know/Microwaving-Plastics</ref> |
| − | #*A symbol of lines of waves.<ref>http://tupperware.com.my/safety_assurance_decoding.php</ref> | + | #*A symbol of lines of waves.<ref name="rf8">http://tupperware.com.my/safety_assurance_decoding.php</ref> |
| − | #*A symbol of a triangle, or Mobius loop, with a number in it. The number designates the type of plasticizer used in the product, which you may want to avoid.<ref | + | #*A symbol of a triangle, or Mobius loop, with a number in it. The number designates the type of plasticizer used in the product, which you may want to avoid.<ref name="rf8" /> |
#Search your pantry. You may already have microwave- safe containers in your kitchen. Before purchasing new containers, look in your pantry to see what you have and can use. | #Search your pantry. You may already have microwave- safe containers in your kitchen. Before purchasing new containers, look in your pantry to see what you have and can use. | ||
| − | #*Read containers for labels including “microwave-safe.”<ref | + | #*Read containers for labels including “microwave-safe.”<ref name="rf3" /> |
| − | #*Be aware that there is no consensus on plastic wrap and microwaves. If you use plastic wrap in the microwave, make sure the packaging says “microwave-safe.”<ref | + | #*Be aware that there is no consensus on plastic wrap and microwaves. If you use plastic wrap in the microwave, make sure the packaging says “microwave-safe.”<ref name="rf2" /> |
| − | #*Check for containers that are old, scratched, cracked, or have been used frequently. These may leech out more harmful materials. Consider throwing these away and investing in new containers.<ref | + | #*Check for containers that are old, scratched, cracked, or have been used frequently. These may leech out more harmful materials. Consider throwing these away and investing in new containers.<ref name="rf2" /> |
| − | #*Make sure glass or ceramic containers have the “microwave-safe” label and do not contain any materials, such as rims, made of gold or other materials not safe for the microwave.<ref>http://www.goodhousekeeping.com/institute/a21522/microwave-metal-safely/</ref> | + | #*Make sure glass or ceramic containers have the “microwave-safe” label and do not contain any materials, such as rims, made of gold or other materials not safe for the microwave.<ref name="rf9">http://www.goodhousekeeping.com/institute/a21522/microwave-metal-safely/</ref> |
| − | #*Be aware that, contrary to popular belief, you can microwave some Styrofoam or other polystyrene containers. Just make sure to check that they are labeled microwave-safe.<ref | + | #*Be aware that, contrary to popular belief, you can microwave some Styrofoam or other polystyrene containers. Just make sure to check that they are labeled microwave-safe.<ref name="rf2" /> |
| − | #Purchase new containers. Even if you need microwave-safe containers and want to buy new ones, it’s easy to find microwave-safe options at most retailers. Read package labeling and the product itself for descriptions and symbols that designate the product microwave-safe.<ref | + | #Purchase new containers. Even if you need microwave-safe containers and want to buy new ones, it’s easy to find microwave-safe options at most retailers. Read package labeling and the product itself for descriptions and symbols that designate the product microwave-safe.<ref name="rf5" /> |
| − | #*Remember that glass and ceramic containers are the safest options for microwaving. Check to make sure that they also carry the “microwave-safe” designation.<ref | + | #*Remember that glass and ceramic containers are the safest options for microwaving. Check to make sure that they also carry the “microwave-safe” designation.<ref name="rf5" /> Just be aware that these products may be more expensive than plastic, though they may also last longer. |
#*Buy plastic containers and wrap marked microwave-safe. | #*Buy plastic containers and wrap marked microwave-safe. | ||
| − | #*Consider checking the Good Housekeeping Institute’s test results for the best and safest containers to use in the microwave.<ref | + | #*Consider checking the Good Housekeeping Institute’s test results for the best and safest containers to use in the microwave.<ref name="rf5" /> |
| − | #Run a safety test. There is a method you can use to check a container’s safety that you are unsure of or one that has a microwave-safe label. Running this safety test may help you decide if you want to use the container or opt for another one.<ref>http://msue.anr.msu.edu/news/use_only_microwave_safe_containers_when_cooking_and_reheating_foods</ref> | + | #Run a safety test. There is a method you can use to check a container’s safety that you are unsure of or one that has a microwave-safe label. Running this safety test may help you decide if you want to use the container or opt for another one.<ref name="rf10">http://msue.anr.msu.edu/news/use_only_microwave_safe_containers_when_cooking_and_reheating_foods</ref> |
| − | #*Empty the container you want to test and place it inside the microwave.<ref | + | #*Empty the container you want to test and place it inside the microwave.<ref name="rf10" /> |
| − | #*Put a second container containing one cup of tap water inside the microwave.<ref | + | #*Put a second container containing one cup of tap water inside the microwave.<ref name="rf10" /> |
| − | #*Heat the microwave on high for one minute. If the empty container is cool, it’s safe to use in the microwave. If it is warm, use it only to reheat food and if it is hot, don’t use it in the microwave at all.<ref | + | #*Heat the microwave on high for one minute. If the empty container is cool, it’s safe to use in the microwave. If it is warm, use it only to reheat food and if it is hot, don’t use it in the microwave at all.<ref name="rf10" /> |
===Using Safe Microwaving Practices=== | ===Using Safe Microwaving Practices=== | ||
#Read microwave instructions. Microwaves make many things in our lives easier. But they don’t come without potential hazards and it’s important to read the instruction manual for your microwave to avoid harming yourself or others. | #Read microwave instructions. Microwaves make many things in our lives easier. But they don’t come without potential hazards and it’s important to read the instruction manual for your microwave to avoid harming yourself or others. | ||
#*Contact the microwave’s manufacturer if you have any questions. | #*Contact the microwave’s manufacturer if you have any questions. | ||
#*Check online for product manuals if you lost your instruction packet. | #*Check online for product manuals if you lost your instruction packet. | ||
| − | #*See if there are specific suggestions on the type of containers or wrap you can use. For example, some microwaves can use specific types of aluminum foil, while others can’t.<ref | + | #*See if there are specific suggestions on the type of containers or wrap you can use. For example, some microwaves can use specific types of aluminum foil, while others can’t.<ref name="rf2" /> |
| − | #*See if there are instructions or suggestions for specific foods. For example, most meats cannot be cooked at full power, but instead at half power for longer.<ref>http://www.fsis.usda.gov/wps/portal/fsis/topics/food-safety-education/get-answers/food-safety-fact-sheets/appliances-and-thermometers/cooking-safely-in-the-microwave/cooking-safely-in-the-microwave-oven</ref> | + | #*See if there are instructions or suggestions for specific foods. For example, most meats cannot be cooked at full power, but instead at half power for longer.<ref name="rf11">http://www.fsis.usda.gov/wps/portal/fsis/topics/food-safety-education/get-answers/food-safety-fact-sheets/appliances-and-thermometers/cooking-safely-in-the-microwave/cooking-safely-in-the-microwave-oven</ref> |
| − | #Follow prepared food instructions. If you want to cook prepared foods in your microwave, read the packaging instructions. In most cases, these containers can only be microwaved once and may also have specific heating requirements.<ref | + | #Follow prepared food instructions. If you want to cook prepared foods in your microwave, read the packaging instructions. In most cases, these containers can only be microwaved once and may also have specific heating requirements.<ref name="rf2" /> |
| − | #*Vent containers if required by puncturing them with a fork or peeling back a corner of the plastic wrap.<ref | + | #*Vent containers if required by puncturing them with a fork or peeling back a corner of the plastic wrap.<ref name="rf2" /> |
#*Make sure you closely check the heating requirements. For example, some foods can only be cooked at 50% power and not following this could ruin your meal and your microwave. | #*Make sure you closely check the heating requirements. For example, some foods can only be cooked at 50% power and not following this could ruin your meal and your microwave. | ||
| − | #Arrange food for reheating. If you’re going to use a covered dish to reheat food, it’s arrangement in the container can affect the heating process. Arranging your food evenly within the container can help ensure uniform cooking and may help destroy harmful bacteria.<ref | + | #Arrange food for reheating. If you’re going to use a covered dish to reheat food, it’s arrangement in the container can affect the heating process. Arranging your food evenly within the container can help ensure uniform cooking and may help destroy harmful bacteria.<ref name="rf11" /> |
| − | #Cover food safely. In many cases, you may need to cover food you’ve prepared yourself to heat it in the microwave. Making sure you use safe types of covers and vent the container can ensure that you don’t cause unsafe chemicals to leech into your food.<ref | + | #Cover food safely. In many cases, you may need to cover food you’ve prepared yourself to heat it in the microwave. Making sure you use safe types of covers and vent the container can ensure that you don’t cause unsafe chemicals to leech into your food.<ref name="rf3" /> |
| − | #*Choose plastic wrap that is labeled microwave-safe. However, never let it contact your food.<ref | + | #*Choose plastic wrap that is labeled microwave-safe. However, never let it contact your food.<ref name="rf3" /> |
| − | #*Consider using waxed or kitchen parchment paper, white paper towels or plates, or a domed microwave container to cover your food.<ref | + | #*Consider using waxed or kitchen parchment paper, white paper towels or plates, or a domed microwave container to cover your food.<ref name="rf2" /> |
| − | #*Loosen or vent the lid or any wrap to allow steam to escape.<ref | + | #*Loosen or vent the lid or any wrap to allow steam to escape.<ref name="rf2" /> |
| − | #*Stay away from brown paper bags, newspaper, foam containers, and most aluminum foil as covers.<ref | + | #*Stay away from brown paper bags, newspaper, foam containers, and most aluminum foil as covers.<ref name="rf11" /> |
| − | #Check food during cooking. Midway through the microwaving process, check your food to make sure it is cooking properly. Consider rotating or stirring the food to eliminate cold spots.<ref | + | #Check food during cooking. Midway through the microwaving process, check your food to make sure it is cooking properly. Consider rotating or stirring the food to eliminate cold spots.<ref name="rf11" /> |
| − | #*Be aware that cold spots in food can contain harmful bacteria.<ref | + | #*Be aware that cold spots in food can contain harmful bacteria.<ref name="rf11" /> |
| − | #*Use a food thermometer to check temperatures, especially of meat.<ref | + | #*Use a food thermometer to check temperatures, especially of meat.<ref name="rf11" /> |
== Warnings == | == Warnings == | ||
*Use caution when removing items from the microwave oven. Remove the lid or cover with care to avoid being burned. Check the temperature of the container before lifting it with your hands. | *Use caution when removing items from the microwave oven. Remove the lid or cover with care to avoid being burned. Check the temperature of the container before lifting it with your hands. | ||
| − | *Never use the microwave to can vegetables or to sterilize the glass jars used for canning.<ref>http://extension.psu.edu/food/preservation/issues/general-canning/not-recommended</ref> | + | *Never use the microwave to can vegetables or to sterilize the glass jars used for canning.<ref name="rf12">http://extension.psu.edu/food/preservation/issues/general-canning/not-recommended</ref> |
== Related Articles == | == Related Articles == | ||
