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Published byHarold Jackson Modified over 8 years ago
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VEGETABLES
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4 ways to classify vegetables... 1. Part of the Plant 2. Flavor 3. Nutrient Content 4. Color
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Botanical Names for Vegetables - Parts of plant from which they come. Tubers – –potatoes Bulbs – –chives, onions, garlic
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Roots – –beets, turnips, carrot, radish Stem – –asparagus, celery, mushroom
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Leaves – –brussel sprouts, cabbage, greens, lettuce, spinach. Seeds – –beans, peas, corn
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Flowers – –artichoke, cauliflower, broccoli Fruit – –cucumber, eggplant, tomato, peppers, squash
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What’s their flavor? Very Strong-flavored –Onions –Leeks –Garlic
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Strong-flavored –Brussels Sprouts
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Broccoli
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Turnips
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Cauliflower
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Cabbage
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Mild-flavored –Spinach
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Celery
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Beets
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Peas
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Corn
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Squash
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Green beans
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Potatoes
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Carrots
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Nutrient Classification of Vegetables... Starchy…high calories –Includes: Potatoes Sweet potatoes Corn Legumes (dry beans)
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Nutrient Classification of Vegetables High Water Content.. low calories Tomatoes Lettuce Celery
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What color are they? Green –Peas –Green beans –Asparagus –Celery –Broccoli –Spinach Red –Beets –Red cabbage –Red peppers Yellow/Orange –Carrots –Wax beans –Corn –Squash –Sweet potatoes White –Onions –Potatoes –Cauliflower –Leeks
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Forms of Vegetables: Selection & Storage... Fresh –Desirable qualities Crisp Bright Color Firm Absence of decay –Storage Store in fridge Eat in 2-3 days
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Canned Advantages Precooked Convenient –Disadvantages Higher in sodium Possibly mushy texture –Storage Store at room temperature Use by expiration date, if given
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Frozen –Benefits Partially prepared No need to thaw before cooking No sodium added Retain the appearance & flavor fresh-picked veggies Usually cost less than fresh Available “out of season” –Storage Keep frozen Do not refreeze if thawed
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Dried –Most common dried veggies are legumes (dry beans) –Benefit Long shelf life –Disadvantage Must soak dry beans before cooking –Storage Store in a cool dry place
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Nutrients in vegetables... Chlorophyll –Substance found in plants that makes them green Vegetables are low in calories and are not a complete source of proteins
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Nutrients in vegetables... Vitamin A –Function: Promotes normal growth of bones & teeth Helps maintain healthy skin tissue & night vision Carotene is converted to Vitamin A –Vegetable sources: Leafy green & deep-yellow vegetables Broccoli, spinach, carrots, & squash
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Vitamin C Function: Helps body form & maintain collagen Helps body repair itself & fight infections –Vegetable sources: Leafy greens Broccoli, green peppers, tomatoes, & cabbage
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Minerals –Functions: Body needs 21 minerals to maintain good health Needed to build bones, soft tissue, & other compounds –Vegetable sources : Spinach (high in iron) Kale (high in calcium)
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Carbohydrates Carbohydrates supply Sugar, starch, & cellulose Supplies the body with energy Potatoes are high in carbohydrates Cellulose is not digested and acts as natural laxative
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Nutrients in vegetables... B Vitamins –Functions: Prevents beriberi Helps body use carbohydrates Helps body break down proteins –Vegetable Sources: Seed vegetables (dry beans) Lima beans & peas
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Prepare vegetables with care... Cook for the shortest time possible –Heat destroys some vitamins Use as little water as possible –Some vitamins dissolve in the cooking water Pare or cut just before cooking –Air and light destroy some vitamins Prepare the largest pieces possible –To expose the smallest surface area to all of the above Serve or save cooking liquid –Use it in soups, sauces, gravies, & stews –Don’t throw away the nutrients in the cooking water
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Qualities of cooked vegetables... Properly cooked veggies add –Color –Flavor –Tender-crisp texture Overcooked or improperly cooked veggies –May suffer undesirable changes in color, texture, & flavor –They may lose many of their nutrients
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Changes in veggies during cooking... The cellulose (fiber) structure becomes softened by the heat & moisture of cooking The starch absorbs water, swells, and becomes easier to digest Flavors & colors undergo changes Some of the nutrients may be lost
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Methods of vegetable cookery... Boiling –In a small amount of water in a covered pan
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Baking Bake veggies in their own skins after washing them thoroughly
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French frying –Fry veggies after dipping in batter or crumbs –Fry them in hot oil deep enough to cover the veggies
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Stir frying Stir fry veggies in 1-2 Tbsp. of fat in a skillet, pan, or wok
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Broiling or Grilling –Brush veggies with fat or oil –Broil over or under direct heat
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Steaming –Steam mild-flavored veggies in a steamer over rapidly boiling water –Microwave can also be used to steam veggies
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Veggies cooked in the microwave... Benefits: –Little or no nutrient loss –Good flavor and texture Note: –Remember to pierce vegetables cooked in their skins –Ex. piercing a potato with a fork
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Principles of vegetable cookery... Goal is to protect the vegetable’s: –Color –Texture –Flavor –Nutrition Length of cooking time –Cook veggies ONLY until fork tender –OVER COOKING Dulls the color Gives an unpleasant flavor Causes the veggies to become mushy
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Pop Quiz: Question: –What is the main nutrient missing in vegetables? Answer: –Fat Which is easier for the body to digest? –a. Raw vegetables –b. Cooked vegetables Answer: –b. Cooked vegetables
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