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科学美国人60秒:啤酒腌料可以减少烧烤致癌物质

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This is Scientific American — 60-Second Science. I'm Christopher Intagliata.
Got a minute?
Grillmasters already know that a cold brew is a fine companion at the barbecue. So here's some science to toast to—marinating meat in beer actually cuts the number of potentially cancer-causing compounds that form, as chops sizzle on the grill. So says a report in the Journal of Agricultural and Food Chemistry.
The study started out like any barbecue—with pork chops, charcoal, and beer. Researchers marinated the chops for four hours in either regular or nonalcoholic pilsner, or a dark ale. Then they fired up the grill. After cooking, they analyzed the chops for polycyclic aromatic hydrocarbons, or PAHs, which are found in smoked and grilled meats, and may up your risk of cancer.

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Turns out dark ale cut PAH levels in half, compared to unmarinated meat. The extra antioxidants in dark beer may be the trick, researchers say. Because PAHs form with the help of free radicals, and antioxidants could slow down that process. So if you're health-conscious, but love to grill? A simple beer marinade might let you have your steak...and eat it, too.
Thanks for listening for Scientific American — 60-Second Science Science. I'm Christopher Intagliata.

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重点单词   查看全部解释    
grill [gril]

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n. 烤架,铁格子,烧烤(食物) vt. (在烤架上)烤

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potentially [pə'tenʃəli]

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adv. 潜在地

 
aromatic [.ærəu'mætik]

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adj. 芳香的 n. 芳香植物,芳香族化合物

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companion [kəm'pænjən]

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n. 同伴,同事,成对物品之一,(船的)甲板间扶梯(或扶

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modification [.mɔdifi'keiʃən]

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n. 修正,修饰,修改

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