전자레인지에 요리하면? 진실과 거짓 Myths and Facts About Your Microwave
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전자레인지가 주방의 필수품이 된지는 오래됐다. 하지만 아직까지도 이 조리 기구에 대해 잘못 알려진 것들이 있다. 미국의 건강 정보 사이트 '헬스닷컴'이 전자레인지에 대한 잘못된 상식 3가지를 소개했다. 전자레인지에 요리하면 영양소가 파괴된다? 아니다 미국 예일대학교 예방연구센터의 데이비드 카츠 박사는 "영양소 수치와 관련해서 전자레인지로 요리해도 특정 손상을 주지 않는다"고 말한다. 사실 어떤 형태의 요리법도 화학적으로 음식과 영양소 함량을 변화시킨다. 비타민C와 오메가-3 지방산 그리고 플라보노이드 항산화제는 일반적으로 열에 민감하다. 채소에 들어있는 영양소들은 요리하는 물에 침출될 수도 있다. 따라서 전자레인지에 요리할 때는 물을 되도록 적게 사용하는 게 좋다. 파스타를 전자레인지로 다시 데우면 건강에 더 좋다? 좋다 한 방송 프로그램에서 실시한 실험에서 요리한 파스타를 식힌 뒤 전자레인지에 다시 데워 먹은 결과, 식사 후 혈당 상승이 50%나 감소한 것으로 나타났다. 연구팀은 "식혔다 다시 데운 파스타는 저항성 전분처럼 작용을 해 소화기관이 탄수화물을 분쇄해 당으로 흡수하는 것을 막기 때문"이라고 말했다. 하지만 카츠 박사는 "이 실험은 단 9명의 참가자를 대상으로 실시된 것으로 결과에 너무 흥분할 필요가 없다"며 "파스타를 식혔다 다시 데웠다 하는 대신 통곡물로 만든 파스타를 먹는 게 건강에 가장 좋은 방법"이라고 말한다. 그는 "통곡물에는 섬유질이 풍부해 정제된 곡물을 먹었을 때처럼 혈당이 빠르게 오르지 않는다"고 덧붙였다. 전자레인지는 식품을 완벽하게 조리한다? 아니다 전자레인지의 마이크로파는 식품의 1인치(2.54㎝)~1.5인치(3.81㎝) 깊이까지 밖에 뚫고 들어가지 못한다. 따라서 두꺼운 식품의 중심부까지는 마이크로파가 도달하지 못한다. 카츠 박사는 "이런 이유로 가금류나 살코기의 경우 요리가 덜 돼 독으로 오염된 음식을 먹을 수 있는 위험성이 있다"고 말했다. 따라서 전자레인지는 이미 요리가 된 음식을 다시 데우거나 본격적인 요리를 위해 식품을 녹일 때 등의 보조적인 수단으로 사용하는 게 좋다. 코메디닷컴 | 권순일 |
Myths and Facts About Your Microwave
By RACHEL SWALIN, Health.com “There is no specific harm of microwaving with regard to nutrient levels,” says David Katz, MD, director of Yale University’s Prevention Research Center. In fact, any type of cooking can chemically change a food and it’s nutrient content: Vitamin C, omega-3 fats, and some bioflavanoid antioxidants are more sensitive to heat in general, Dr. Katz says. Nutrients from veggies can also leach into cooking water. Since you’re apt to use less water when cooking in a microwave, your food might even be better off. Fact: You should be careful with plastics Microwaving plastics is definitely a no-no because it can lead to the containers breaking down and allowing more chemicals like BPA and phthalates to leach into your food. Many companies today make BPA-free and “microwave safe” containers. However, in a 2011 study in Environmental Health Perspectives, researchers tested 455 plastic products, from baby bottles to food containers, and found nearly all of them still leached estrogenic chemicals, which have been linked to obesity and some forms of cancer. Even plastics marketed as BPA-free were guilty. The ubiquity of plastics makes it hard to avoid them completely. But the best advice is to avoid them when you can, and always transfer food to a glass or ceramic dish before microwaving, Dr. Katz says. Myth: Reheating pasta can make it healthier (for now, at least) A recent experiment on the BBC investigative health program Trust Me, I’m a Doctor sparked buzz after finding that when pasta was cooked, cooled, then reheated in a microwave, it reduced participants’ post-meal rise in blood glucose by 50%. The reason, researchers said, is that pasta that’s cooled and reheated acts like resistant starch, preventing the gut from breaking down carbs and absorbing them as sugar. But don’t get too excited. That was one study including a measly nine volunteers, so Dr. Katz says to take it with a grain of salt for now. His advice: stick with whole-grain pasta instead, which experts know is healthier. (Due to the higher fiber content, blood sugar does not spike as quickly as it does after eating refined pasta.) “For sure, whole-grain pasta has a lower glycemic effect than refined pasta, whether or not it is reheated,” he says Myth: Microwaves cook food all the way through When it comes to cooking, microwaves penetrate food to a depth of 1 to 1.5 inches, according to the USDA. So heat won’t be able to reach the center of really thick pieces of food, Dr. Katz says. This is especially dangerous for poultry or red meat because you can get food poisoning from undercooked meat. You’re better off using your microwave as an assistant in your kitchen, for re-heating food you already cooked or thawing something you’re about to cook. Fact: Microwaves are safe The reason it’s called a “microwave” is because it emits microwaves, a type of electromagnetic radiation, to heat your food. It’s absolutely an old wives’ tale that microwaves are the same as cancer-causing radiation. All they do is cause the molecules in food to move and the molecular motion is what causes the heat, Dr. Katz explains. And you can’t get cancer just by standing next to a microwave oven either: The microwaves are mostly contained within the oven itself when it’s on, and any that leak out are limited to a level far below what could actually hurt you, according to the American Cancer Society. http://abcnews.go.com/Health/myths-facts-microwave/story?id=28786106 |
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