Water, Vitamins & Minerals PDF Fall 2023
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Uploaded by JubilantDiopside1201
University of Jordan
2023
Dr.Hala.Al-Nawaiseh
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Summary
This document is a presentation about water, vitamins, and minerals, including their functions for the body, sources, and potential deficiencies. It covers topics like vitamin A, vitamin D, vitamin E, vitamin K, and various B vitamins.
Full Transcript
Water, Vitamins & Minerals Dr.Hala.Al-Nawaiseh Fall 2023 Vitamins Certain vitamins and minerals are needed for the body to function. ◦ 13 vitamins ◦ 22 minerals Two types of vitamins ◦ Water-soluble ◦ Fat-soluble Fat-Soluble vitamins Vitamin A, D, E and K Excess is stored...
Water, Vitamins & Minerals Dr.Hala.Al-Nawaiseh Fall 2023 Vitamins Certain vitamins and minerals are needed for the body to function. ◦ 13 vitamins ◦ 22 minerals Two types of vitamins ◦ Water-soluble ◦ Fat-soluble Fat-Soluble vitamins Vitamin A, D, E and K Excess is stored in the liver and in body fat ◦ It is possible to build up to a toxic level Vitamin A (Retinol) Beta-carotene is converted into vitamin A Vitamin A: ◦ Promotes good vision ◦ Promotes healthy skin ◦ Helps with growth and maintenance of bones, teeth, and cell structure RDA: 900 micrograms for males; 700 micrograms for females Too much vitamin A May turn your skin orange May cause fatigue, weakness, severe headache, blurred vision, hair loss and joint pain. Toxicity: ◦ May cause severe liver or brain damage ◦ Birth defects Too little vitamin A Maycause night blindness Lowered immune system Foods rich in vitamin A Foods Carotenoids ◦ Only animal products ◦ Orange/Yellow fruits Liver and vegetables Eggs Cantaloupes, carrots, sweet potatoes, winter Milk, butter and cheese squash ◦ Leafy green vegetables Spinach, broccoli Vitamin D – “The Sunshine Vitamin” Essential for building and maintaining bones and teeth Responsible for absorption and utilization of calcium Other health benefits: ◦ May boost immune system ◦ May also help decrease certain cancers RDA: 5 micrograms until age 50 10 micrograms / day until 70; 15 mcg 70+ Too little vitamin D Vitamin D deficiency has been in the news a lot lately. Deficiency may occur from: ◦ Inadequate diet Vegetarianism, lactose intolerance, milk allergy ◦ Body unable to absorb needed vitamin D ◦ Limited exposure to sunlight Vitamin D Deficiency Maylead to osteomalacia and/or osteoporosis Getting vitamin D Sunexposure for 10 minutes a day Foods: ◦ Fortified milk ◦ Tuna ◦ Salmon ◦ May need a supplement Check with doctor first though Vitamin E Important to red blood cells, muscles and other tissues Deficiency is rare Toxicity is rare ◦ But Vitamin E acts as a blood thinner Foods: ◦ Vegetable oils, salad dressings, whole grain cereals, green leafy vegetables, nuts, seeds, peanut butter and wheat germ. Vitamin K Important for blood clotting ◦ Also has a role for bone health Mostly made in the intestines Foods: ◦ Turnip greens, cauliflower, spinach, liver, broccoli, kale and cabbage Water-Soluble Vitamins Vitamins Bs and C Eight B vitamins: ◦ Thiamin (B-1) ◦ Riboflavin (B-2) ◦ Niacin (B-3) ◦ Pyridoxine (B-4) ◦ Cobalamin (B-12) ◦ Folic acid ◦ Pantothenic acid ◦ Biotin Thiamin or B-1 Helps to convert carbohydrates to energy Deficiency: ◦ Fatigue, nausea, depression, nerve damage Foods: ◦ Beef, liver, peas, seeds, legumes, whole-grain products, and oatmeal Riboflavin or B-2 Key to metabolism and red blood cells Deficiency: ◦ Dry, scaly skin Foods: ◦ Milk, yogurt, cheese, whole-grain breads, green leafy vegetables, meat, and eggs Niacin or B-3 Also involved with energy production Also helps with skin, nerves and digestive system Deficiency: ◦ Rare but causes: diarrhea, dermatitis, dementia and death Foods: ◦ Meat, poultry, liver, eggs, brown rice, baked potatoes, fish, milk, and whole-grain foods Pyridoxine or B-6 Involved in chemical reactions of proteins and amino acids Deficiency: ◦ Skin changes, dementia, nervous system disorders and anemia Foods: ◦ Lean meats, fish, legumes, green leafy vegetables, raisins, corn, bananas, mangos Cobalamin or B-12 Helps with nervous system, red blood cells and DNA synthesis Deficiency: ◦ Nervous system disorders and pernicious anemia Foods: ◦ Only found in animal products Meat, fish, poultry, eggs, milk products and clams Folic acid (Folacin, Folate) Key role in red blood cell formation and cell division Deficiency: ◦ Anemia, digestive disorders Foods: ◦ Leafy, dark green vegetables ◦ Also found in liver, beans, peas, oranges, avocados Pantothenic Acid and Biotin Help with metabolism and formation of some hormones Deficiencies are rare Foods: ◦ Almost any food, plant-based or animal-based Vitamin C Important to bone health, blood vessel health, cell structure and absorption of iron Deficiency: ◦ Rare Too much vitamin C Foods: ◦ Melons, berries, tomatoes, potatoes, broccoli, fortified juices, kiwi, mangos, yellow peppers and citrus fruits Minerals 22minerals are needed by the body Two categories: ◦ Major Include calcium, chloride, magnesium, phosphorus, potassium, sodium, and sulfur ◦ Trace Include iron, zinc, iodine, selenium, copper, manganese, fluoride, chromium, molybdenum, arsenic, nickel, silicon, boron and cobalt Sodium What does sodium do for you? ◦ Helps maintain fluid balance ◦ Helps transmit nerve impulses ◦ Influences contraction and relaxation of muscles Sodium & Health Too much sodium ◦ Causes high blood pressure ◦ May lead to fluid retention The human body requires about 500 mg of sodium per day, while the average American usually ingests between 2,300- 6,900 mg each day. It is recommended to stay in a range of 1,500 to 2,400 mg / day. Where are you getting sodium? www.mayoclinic.com Reducing sodium in your diet Eat more fresh foods Eat less processed foods Look for low-sodium products Limit the salt you add to foods Experiment with other seasonings Use salt substitutes with caution Calcium The most abundant mineral in your body ◦ 99% is stored in the bones Known for bone health How much do you need? ◦ Males 19-50 years old: 1,000 mg / day ◦ Females 19-50 years old: 1,000 mg / day Calcium & Foods Dairy products, fortified juices, sardines Food Calcium Yogurt, plain (low-fat) 1 cup - 415 mg Yogurt, flavored (low-fat) 1 cup – 345 mg Milk, skim 1 cup – 302 mg Milk, 1-2% 1 cup – 300 mg Ice cream ½ cup – 88 mg Broccoli, cooked ½ cup – 68 mg Salmon, canned 3 oz – 165 mg Fortified orange juice 8 oz – 300 mg Iron Irondeficiency is the most widespread vitamin or mineral deficiency in the world. ◦ 70% of your body’s iron is in your hemoglobin ◦ Too little iron = too little oxygen Iron & Foods Heme iron: ◦ Found in animal products Red meats, liver, poultry and eggs Non-heme iron: ◦ Found in plant products Beans, nuts, seeds, dried fruits, fortified breads and cereals Iron supplements Check with your doctor first. High risk groups: ◦ Strict vegetarians ◦ Those who do not eat a balanced diet ◦ Those who are over 60 ◦ Smokers ◦ Those who suffer from food allergies, intolerances Water Essential for life ◦ It is possible to live without food than without water. Watermakes up about 45-75% of your body weight Why is water important? Aidswith transport Mechanical functions Helps to break substances down Helps to maintain body temperature/pH How much water do you need? Adequate intake: ◦ Ideally 80% of water should coming from drinking fluids. 20% of water intake should come from food