got algae?. algae what do these items all have in common?
TRANSCRIPT
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Got Algae?
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Algae
What do these
items all have in
common?
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Algae
They are all made of seaweed!
Seaweeds are large marine
algae that grow on the coastal
waters of many countries.
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Algae
• They include thousands of species from microscopic organisms called phytoplankton to huge floating/anchored organisms commonly seen washed up on shore. Scientists now classify these algae as protists.
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Algae
• Many kinds of seaweed are edible and rich in vitamins and iodine. Asian
cultures use seaweed like green beans and carrots
are used in the United States.
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Algae
• Algae contains great nutritional value and are used in many cultures to wrap vegetables, rice, or
raw fish (sushi).• You can obtain algae to
eat from a health or ethnic food store. They
may include nori, kombu, kelp, and dulse.
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Algae
• Americans have not developed a taste for
seaweed, so manufacturers use
derivatives from seaweed instead.
Seaweed derivatives include:
alginatescarrageenan
beta carotene
alginate
carrageenan
beta carotene
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Algae
• These derivatives act as stabilizers,
thickeners, and colorants in the foods Americans
eat today.
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Algae
• The three main groups of
seaweeds are brown, red, and
green algae. Each provides important
ingredients for manufacturing
foods.
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Algae
• Alginates come from brown algae. They make water-
based products thicker, creamier, and more stable
over extreme differences in
temperature, pH, and time.
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Algae
• Some products containing
alginates are brownie mix,
whipped topping, relishes, salad
dressings, sauces, and gravies.
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Algae
• Carrageenan is extracted from
certain types of red algae. It is used in
stabilizing and gelling foods cosmetics,
pharmaceuticals, an industrial products.
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Algae
• Some products containing
carrageenan are chocolate milk, coffee creamer,
yogurt, ice cream, pudding,
toothpaste, and sour cream.
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Algae
• Beta carotene is a natural coloring
pigment derived from green algae. It is used as a yellow-
orange food coloring and may help
prevent certain types of cancers
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Algae
• Some products made with beta carotene are
multiple vitamins, cheese, egg
substitute, ice cream, margarine,
mayonnaise, whipped topping.
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Algae
• The many products listed here are only a small portion of
the many products derived from seaweed.
• This is another reason to protect Earth’s oceans!