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Published byHarvey Thornton Modified over 8 years ago
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What you should know about these unique and nutritious foods!
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Excellent source of many vitamins, minerals, and fiber Leafy green and yellow vegetables – carotene Tomatoes, broccoli, Brussels sprouts, cabbage, and cauliflower – folate All vegetables – fiber Especially fresh vegetables
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How many servings of vegetables is ideal per day? One serving = 1 cup of raw leafy vegetables ½ cup chopped or cooked vegetables ¾ cup vegetable juice
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Factors that influence overall quality of fresh vegetables: Temperature Handling Other considerations: Buy only what you can use within a short period of time Seasonal and local vegetables Organic
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What to look for: Good color Firmness Absence of bruises and decay Medium sized vegetables What to avoid: Wilted or misshapen vegetables Especially small or large vegetables
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Canned Can be whole, sliced, or in pieces Most are canned in water or sauces Avoid cans with leaks, dents, or bulges Bulges can indicate what? Consider the additives What is one of the more prevalent additives to canned vegetables?
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Cons: Loss of texture Color Changes Different flavor Added sodium Some nutrients leach into liquid Controversy of can lining Pros?
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Typically cost less than fresh fruits Usually maintain just as many nutrients or more than the fresh equivalent Require shorter cook times because they have already been blanched
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Most common form is legumes Also peppers Usually high in protein and fiber
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Out of dried, frozen, canned, or fresh vegetables, which option contains the most natural nutrients?
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Where do vegetables come from? Can be contaminated with dirt, bacteria, and pesticides Wash in cool, running water Trim as close to skin as possible Why?
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For most, store on counter until desired ripeness, then refrigerate Taste best when served cold Store in covered container in fridge after prepared
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Canned Keep in cool, dry place Refrigerate after opening Frozen Keep frozen until ready to use DO NOT REFREEZE Dried Store in cool dry place Refrigerate after rehydrated or cooked
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Changes that occur: Cellulose (fiber) in vegetables swells making chewing easier Starch also swells making digestion easier Change in flavors and color Nutrients may be lost Crisp-tender texture is ideal
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Use methods with no added water or small amounts of liquid to maintain the most nutrients Minerals, vitamin C, B vitamins are water-soluble Cooking time should be kept as short as possible What texture do we want?
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Boiling Steaming Pressure-cooking Baking Frying Stir-frying Broiling Microwaving
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Classification of vegetables 1. By flavor 2. By color 3. By the part of the plant from which they come
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According to the part of the plant they come from
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Grow just below the ground’s surface Produce fleshy, leafy shoot above ground Consist of layers of fleshy leaves or clustered segments
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Fennel Garlic Leek Onion Spring onion
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The edible flowers of certain vegetables Sometimes includes the stem of the vegetable
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Artichoke Broccoflower Cauliflower Broccoli
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Very fleshy part (the fruit) of the plant The part of the plant that contains the seeds
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Chilli Cucumber Eggplant Fuzzy melon Plantain Pumpkin and squash Tomato
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The manufacturing area of the plant. Photosynthesis turns sunlight, carbon dioxide, and water into high-energy carbohydrates
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Spinach Lettuce Kale Collards
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Also called legumes, these are the seeds that grow in pods Part of the plant from which new plants grow High in carbohydrates and other nutrients
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Beans Peas Snow peas Sweet corn
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Large underground stem (grows on the root of the plant) Stores nutrients
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Earth gem Jerusalem artichoke Kumara (sweet potato) Potato Yam
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Potatoes exposed to light may develop a greenish color, which is harmless. However, the green indicates there may be solanine, which is a harmful, bitter tasting compound. Cut away sprouts and green portions of potatoes Chlorophyll – green color in fruits and vegetables; chemical compound used by plants to turn sun’s energy into food
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Stores the plant’s food supplies Sends moisture and nutrients to the rest of the plant
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Beetroot Carrot Celeriac Parsnip Radish Turnip
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Edible stalk of the plant Grows above ground Usually stalk is the main part of these vegetable plants
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Asparagus Celery
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Some vegetables can fit into more than one category if several parts of the plant are eaten No matter which category they are from: Antioxidants – Vitamin C, Vitamin E, carotenoids and flavonoids Phytochemicals – sugars, fiber, vitamins, antioxidants Other nutrients!
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