chapter 2 nutrients - mrs. moehr's facs ?· such as digestion, and the absorption of nutrients....
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Copyright 2011 by the National Restaurant Association Educational Foundation (NRAEF)
and published by Pearson Education, Inc. All rights reserved.
Nutrition is the study of the nutrients in food and how
they nourish the body.
Nutrients are components of food that are needed for
the body to function.
People need certain nutrients on a regular basis to maintain health and
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Restaurant and foodservice professionals
need to understand the nutritional needs
of their customers.
When restaurant and foodservice
professionals understand how to
combine nutrition science and culinary
arts, they are able to provide food that is
both delicious and healthful.
Carbohydrates are the bodys main-energy source. They help
the body use protein and fat efficiently.
Simple carbohydrates & Complex carbohydrates both
Glucose is a very important simple sugar. It is the primary source of
Hormones are special chemical messengers made by bodies that
regulate different body functions.
Fiber is found only in plant food, along with starch and sugar.
It is the part of the plant that cannot be digested by people.
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Contain one or two sugars
They are digested and
absorbed quickly and provide a
short burst of energy
Contain long chains that
include many glucose
Good source of fiber
Lipids is another word for fat. Lipids are a group of molecules that include fats, oils, waxes, steroids, and other compounds:
Fat is an essential nutrient with many functions.
Fats are solid at room temperature and often come from animals. Oils are liquid at room temperature.
Essential fatty acids are required for good nutrition.
Oxidation is a chemical process that causes unsaturated fats to spoil.
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Cholesterol is a white,
waxy substance that
helps the body carry
out its many
Trans fatty acids are
the result of taking a
liquid fat and making
Proteins are another class of nutrients
that supply energy to the body. They are
needed to build new cells and repair
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Amino acids are chemical compounds that have special functions in the body: Complete proteins are called complete because
they contain all the essential amino acids in the right amount.
Incomplete proteins lack one or more of the essential amino acids.
Complementary proteins are two or more incomplete protein sources that together provide adequate amounts of all the essential amino acids.
Without the right amounts of vitamins and minerals, people may
become deficient and develop deficiency-related diseases.
Vitamins are chemical compounds found in food.
Needed for regulating metabolic processes,
such as digestion, and the absorption of nutrients.
Vitamins and minerals help in growth, reproduction, and the operation
and maintenance of the body.
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Minerals are classified as
major or trace, according to
how much is needed in the
Some examples of major
minerals are calcium,
sodium, and magnesium.
Even though some minerals
are needed in very tiny
amounts, getting the right
amount is important to good
Water is an essential nutrient. It is essential to all forms of
About 55 to 65 percent of the human body is water by
weight. Cells, tissues, and organs need water to function.
The human body can live a long time without many other
nutrients, but only a few days without water.
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Water has many important roles:
Helping with the digestion, absorption, and
transportation of nutrients.
Helping with the elimination of wastes through the kidneys, colon,
Distributing heat throughout the body and allowing heat to be
released through the skin by evaporation (sweating).
Lubricating joints and cushioning body tissues.
Nutrients Crossword and Nutrition Facts Analysis Worksheet
Use with Section 2.1