Misconceptions about Cooking

Some cooks believe that food items cooked with wine or liquor will be non-alcoholic, because alcohol’s low boiling point causes it to evaporate quickly when heated. However, a study found that some of the alcohol remains: 25% after 1 hour of baking or simmering, and 10% after 2 hours.

Sushi does not mean “raw fish”, and not all sushi includes raw fish. The name sushi means “sour rice”, and refers to the vinegared rice used in it. Sushi is made with sumeshi, rice which has been gently folded with a rice vinegar, salt, and sugar dressing. The rice is traditionally topped by raw fish, cooked seafood, fish roe, egg, and/or vegetables such ascucumber, daikon radish, and avocado. The related Japanese term sashimi is closer in definition to “raw fish”, but still not quite accurate: Sashimi can also refer to any uncooked meat or vegetable, and usually refers more to the dish’s presentation than to its ingredients. The dish consisting of sushi rice and other fillings wrapped in seaweed is called makizushi, and includes both “long rolls” and “hand rolls”.

Microwave ovens do not cook food from the inside out. Microwave radiation penetrates food and causes direct heating only a short distance from the surface. This distance is called the skin depth. As an example, lean muscle tissue (meat) has a skin depth of only about ½ of an inch at microwave oven frequencies.

Placing metal inside a microwave oven does not damage the oven’s electronics. There are, however, other safety-related issues: electrical arcing may occur on pieces of metal not designed for use in a microwave oven, and metal objects may become hot enough to damage food, skin, or the interior of the microwave oven. Metallic objects that are designed for microwave use can be used in a microwave with no danger; examples include the metalized surfaces used in browning sleeves and pizza-cooking platforms.

Swallowed chewing gum does not take seven years to digest. In fact, chewing gum is mostly indigestible, but passes through the digestive system at the same rate as other matter.

Tomorrow, Misconceptions about Language      Rita Bay

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