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Are steam cooking bags safe? Plastics can be unsafe when heated. Teflon is very unsafe for cooking because heat releases toxins from the plastic. What are steamer bags made of and are they safe? PTFE or other chemicals that are harmful?? I am a cancer patient and I have to be very careful. Are microwave bags safe? Thank You

Only use cookware that is specially manufactured for use in the microwave oven. Glass, ceramic containers, and all plastics that are safe to use usually will be labeled for microwave oven use. According the USDA, the following containers are considered safe tot use in microwave ovens:
  • Any utensil labeled for microwave use.
  • Heatproof glass (such as Pyrex, Anchor Hocking, etc.).
  • Glass-ceramic (such as Corning Ware).
  • Oven cooking bags.
  • Baskets (straw and wood) for quick warm-ups of rolls or bread. Line the basket with napkins to absorb moisture from food.
  • Most paper plates, towels, napkins and bags. For optimal safety use white, unprinted materials.
  • Wax paper, parchment paper, heavy plastic wrap. Do not allow plastic wrap to touch food; vent it to allow a steam escape.
  • Heat-susceptor packaging.
  • Cold storage containers: margarine tubs, cottage cheese and yogurt cartons, etc. These materials are not approved for cooking and chemicals can migrate into food.
  • Brown paper bags and newspapers.
  • Metal pans.
  • Foam-insulated cups, bowls, plates or trays.
  • China with metallic paint or trim.
  • Chinese "take-out" containers with metal handles.
  • Metal "twist ties" on package wrapping.
  • Food completely wrapped in aluminum foil.
  • Food cooked in any container or packaging that has warped or melted during heating.
Microwave bags are 100% dioxin free and meet the safety requirements of the U.S. Food and Drug Administration for temperatures associated with defrosting and reheating food in microwave ovens (as well as room, refrigerator and freezer temperatures). Steamer bags have been found to not contain phthalates or BPA. To determine direct chemicals used, contact the manufacturer. Read more about the cooking effects of microwave cooking.
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  1. Thanks for giving good information in your blogs. I agree cocking bags are necessary for kitchen but Plastics bags are not safe in kitchen. The microwave oven. Glass, ceramic containers, and all plastics that is safe to use usually. Thanks for sharing.

    freezer bags

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The Expert: Wendy Reinhardt Kapsak, MS, RDN, is the President and CEO of the Produce for Better Health (PBH) Foundation. At PBH, she guides the Foundation’s efforts to advance the overall effort of increasing fruit and vegetable consumption.
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