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Nutrition Clinic

at Brigham and Women's Faulkner Hospital

Tips for Healthier Grilling This Summer and Beyond

By Nancy Oliveira, MS, RDN, LDN, CDE

Who’s ready for some zesty barbecue that represents the best of summer fare? Grilling can be a healthful, quick and delicious cooking method, but be mindful that an excess intake of charred meats can expose one to potentially harmful compounds.

When grilled or blackened, animal protein foods including beef, lamb, pork, poultry, fish, and shellfish can create compounds called heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs). A high intake of HCAs and PAHs has been linked to certain cancers. Specific components in meat may increase the risk of compounds forming: high amounts of fat, preservatives like nitrates (in processed meats like sausages and hot dogs), and a type of iron from animal foods called heme. In addition, when the fat from rich cuts of meat and seafood drips into the flames, it produces smoke that contains PAHs, which then adheres to the surface of these foods.

Before you break out the barbie this season, consider the grilling tips below to provide a nutritious and safe meal for your family:

  1. Brush on a marinade that provides a protective barrier to help reduce the amount of carcinogens produced. A marinade can include any of the following (or try mixing together several of the ingredients): olive oil, mustard, reduced-sodium soy sauce, any vinegar, lemon or orange juice, and herbs and spices like garlic, pepper, rosemary and thyme.
  2. Reduce the overall grill cook time. Fish and thin cuts of meat cook quickly. Cut poultry and meat into small chunks for kebobs. Meat may also be partially precooked in the microwave to reduce grill time.
  3. Flip food several times when grilling to prevent over-charring.
  4. Remove charred parts of meat or fish before eating. Wrap food in foil before grilling, which can speed cooking time and protect it from smoke.
  5. Include foods that will not produce harmful compounds such as fruits, vegetables, tempeh, and veggie burgers. Try asparagus, bell peppers, carrots, zucchini, eggplants, onions, portobello mushrooms, peaches, and mangoes brushed with a little olive oil. They also add beautiful color to the plate!
  6. Use hardwood chips like hickory and maple that burn at a lower temperature, instead of softer woods like pine and fir that produce high temperatures.
  7. Avoid breathing in smoke produced from the grill.
  8. Clean grill well between uses.

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