Vegetables that are entirely, or readily, cross-pollinated among plants of their kind include corn, cucumbers, melons, squash, pumpkins, cress, mustard, brussels sprouts, cabbage, cauliflower, collards, kale, kohlrabi, spinach, onion, radish, beet, and turnip. Those less readily cross-pollinated are eggplant, pepper, tomato, carrot, and celery. Beans, peas, okra, and lettuce are generally self-pollinated, but occasionally cross-pollinated, lima beans sometimes rather extensively. Because sweet corn will cross with field corn, it is unwise to save sweet corn seed if field corn is growing in the same neighborhood. Hybrid sweet corn should not be saved for seed. The custom of saving seed from a choice watermelon is safe, provided no citrons or other varieties of watermelons are growing nearby. Likewise, seed from a muskmelon is safe, even though it was grown side by side with cucumbers. Beans do not readily cross and their seed also may be saved. Cabbage, kohlrabi, kale, collards, broccoli, and cauliflower all intercross freely, so each must be well isolated from the others if seed is to be saved.
Natural food and nutrition exchange - guide to vitamins
Vitamin A (retinol)
- Natural food Sources: Eggs, colored fruits and vegetables, fish liver oil, dairy products, beef liver, milk
- Deficiency Symptoms: Defective teeth and gums, allergies, dry hair, retarded growth, susceptibility to infections, night blindness, eye irritations, sinus trouble, dry skin, loss of smell
- Health Importance: Healthy formation of bones, teeth, skin; maintenance of outer layer of many tissues and organs; promotes growth and vitality; essential in pregnancy and lactation; necessary for night vision; good for growth and repair of body tissues; good for health of hair and eyes
- Inhibits Absorption: Coffee, alcohol, excessive iron, mineral oil, D deficiency
- Enhances Absorption: C, D, E, F, zinc, calcium, choline, B-complex
Vitamin B (complex)
- Natural food Sources: Whole grains, liver, brewer's yeast
- Deficiency Symptoms: Poor appetite, rough dry skin, fatigue, dull hair, constipation, acne, insomnia
- Health importance: Helps functioning of nervous system; good for healthy skin, muscle tone, maintenance in the gastrointestinal tract; gives energy; maintains healthy hair, eyes, liver, mouth; carbohydrate-fat-protein metabolism
- Inhibits Absorption: Stress, excessive sugar, coffee, alcohol, birth control pills, infections, sleeping pills, sulfonamides
- Enhances Absorption: Calcium, E, C, phosphorus
Vitamin B-1 (thiamine)
- Natural food Sources: Organ meats, pork, nuts, wheat germ, poultry, fish, brown rice, egg yolks, legumes, whole grains, blackstrap molasses, brewer's yeast, whole wheat
- Deficiency Symptoms: Depression, constipation, impaired growth in children, shortness of breath, numbness of hands and feet, weakness, fatigue, nervousness, sensitivity to noise, loss of appetite
- Health Importance: Maintains health of skin, mouth, eyes, hair; stabilizes appetite; necessary for carbohydrate metabolism; essential for normal functioning of heart, nerve tissues, muscles, digestion, learning capacity, growth
- Inhibits Absorption: Tobacco, stress, fever, coffee, alcohol, surgery, raw clams
- Enhances Absorption: B-complex, sulfur, manganese, niacin, B-2, folic acid, C, E
Vitamin B-2 (riboflavin)
- Natural food Sources: Cheese, milk, egg yolks, brewer's yeast, nuts, organ meats, whole grains, blackstrap molasses
- Deficiency Symptoms: Inflammation of the mouth, eye problems, dizziness, poor digestion, sore tongue, dermatitis
- Health Importance: Carbohydrate-fat-protein metabolism; necessary for antibody and red blood cell formation; good for healthy eyes, hair, skin, nails
- Inhibits Absorption: Alcohol, tobacco, excessive sugar, coffee
- Phosphorus, niacin, C, B-complex, B-6
Vitamin B-6 (pyridoxine)
- Natural food Sources: Milk, cabbage, cantaloupe, legumes, blackstrap molasses, meat, organ meats, peas, wheat germ, whole grains, brown rice, prunes, leafy green vegetables, brewer's yeast, desiccated liver
- Deficiency Symptoms: Possible loss of muscle control, nervousness, dermatitis, insulin sensitivity, hair loss, mouth disorders, acne, irritability, muscular weakness, convulsions in infants, depression, learning disabilities, anemia, arthritis
- Health Importance: Necessary for carbohydrate-fat-protein metabolism; weight control; good for healthy skin, nerves, muscles, antibody formation, digestion
- Inhibits Absorption: Alcohol, birth control pills, tobacco, radiation exposure, coffee
- Enhances Absorption: Linoleic acid, sodium, B-1, B-2, C, pantothenic acid, B-complex, magnesium
Vitamin B-12 (cobalamin)
- Natural food Sources: Pork, beef, cheese, milk and milk products, eggs, fish, organ meats
- Deficiency Symptoms: Tiredness, general weakness, poor appetite, speaking difficulties, pernicious anemia, nervousness, neuritis, brain damage, growth failure in children
- Health Importance: Necessary for normal formation of red blood cells; carbohydrate-fat-protein metabolism; healthy nervous system; good appetite; healthy cells
- Inhibits Absorption: Tobacco, coffee, alcohol, laxatives
- Enhances Absorption: B-complex, folic acid, B-6, choline, inositol, C, sodium, potassium
Vitamin H (biotin)
- Natural food Sources: Sardines, liver, legumes, egg yolks, unpolished rice, lentils, mung bean sprouts, whole grains, organ meats, brewer's yeast
- Deficiency Symptoms: Extreme exhaustion, loss of appetite, impairment of fat metabolism, muscle pain, depression, grayish skin color, dermatitis
- Health Importance: Growth-promoting factor; fatty acid production; carbohydrate-fat-protein metabolism; utilizes B vitamins; good for healthy hair, skin, muscles
- Inhibits Absorption: Alcohol, avidin (raw egg white), coffee
- Enhances Absorption: Sulfur, B-12, folic acid, B-complex, pantothenic acid, C
Choline
- Natural food Sources: Leafy green vegetables, heart, brain, lecithin, egg yolks, brewer's yeast, fish, legumes, organ meats, soybeans, wheat germ
- Deficiency Symptoms: May result in cirrhosis and fatty degeneration of liver, hemorrhaging of kidney, intolerance to fats, bleeding stomach ulcers, high blood pressure, growth problems
- Health Importance: May minimize excessive deposits of fat in liver; metabolism and transport of fats and cholesterol; normal nerve transmission; gall bladder regulation; lecithin formation; good for hair; thymus gland
- Inhibits Absorption: Excessive sugar, alcohol, coffee
- Enhances Absorption: Linoleic acid, folic acid, inositol, A, B-12, B-complex
Folic Acid (folacin)
- Natural food Sources: Root vegetables, tuna, milk and milk products, organ meats, oysters, salmon, leafy green vegetables, brewer's yeast, whole grains
- Deficiency Symptoms: Gastrointestinal disorders, B-12 deficiency, anemia, retarded growth, graying hair
- Health Importance: Necessary for growth and division of cells; formation of red blood cells; reproduction and growth; good for glands and liver
- Inhibits Absorption: Stress, alcohol, coffee, tobacco
- Enhances Absorption: Pantothenic acid, C, B-12, B-complex, biotin
Inositol
- Natural food Sources: Citrus fruits, nuts, milk, meat, brewer's yeast, blackstrap molasses, whole grains, vegetables, lecithin
- Deficiency Symptoms: Eye problems, high cholesterol, skin problems, constipation
- Health Importance: Vital for hair growth; metabolism of fats and cholesterol; formation of lecithin; good for vital organs
- Inhibits Absorption: Excessive sugar, corn, coffee, alcohol, antibiotics
- Enhances Absorption: B-12, B-1, B-2, C, phosphorus, choline, linoleic acid, B-complex
Niacin (nicotinic acid)
- Natural food Sources: Beans, green vegetables, rice bran, whole wheat, nuts, brewer's yeast, fish, dairy products, poultry, lean meats, milk, desiccated liver
- Deficiency Symptoms: Gastrointestinal disturbances, dermatitis, nervous disorders, muscular aches, loss of appetite, insomnia, tiredness, halitosis
- Health Importance: Promotes growth, proper functioning of nervous system; maintenance of healthy skin, tongue, digestive system; carbohydrate-fat-protein metabolism
- Inhibits Absorption: Excessive sugar, corn, coffee, alcohol
- Enhances Absorption: B-1, B-2, C, B-complex, phosphorus
Pantothenic Acid
- Natural food Sources: Egg yolks, orange juice, brewer's yeast, legumes, liver, whole grains, mushrooms, salmon, wheat germ
- Deficiency Symptoms: Stomach stress, sensitivity to insulin, eczema, hair loss, hypoglycemia, vomiting, diarrhea, kidney trouble
- Health Importance: Resistance to stress; aids in formation of some fats, energy; stimulates growth; good for skin, adrenal glands, formation of antibodies
- Inhibits Absorption: Coffee, alcohol
- Enhances Absorption: Sulfur, C, B-6, B-12, folic acid, biotin, B-complex
PABA (para-aminobenzoic acid)
- Natural food Sources: Leafy green vegetables, organ meats, yogurt, wheat germ, blackstrap molasses, brewer's yeast
- Deficiency Symptoms: Nervousness, anemia, constipation, tiredness, headaches, digestion problems, eczema
- Health Importance: Growth-promoting factor; sunscreen; acts as coenzyme in breakdown and utilization of protein; formation of red blood cells; color restoration; aids bacteria in producing folic acid; maintains healthy skin, hair
- Inhibits Absorption: Sulfonamides, coffee, alcohol
- Enhances Absorption: C, folic acid, B-complex
Vitamin C (ascorbic acid)
- Natural food Sources: Tomatoes, acerola cherries, sprouted alfalfa seeds, peppers, citrus fruits, papaya, cantaloupe, broccoli, strawberries
- Deficiency Symptoms: Muscular weakness, anemia, appetite loss, skin hemorrhages, swollen joints, slow healing wounds and fractures, bleeding gums, easy bruising, low resistance to infections
- Health Importance: Prevention of permeability; healthy teeth, gums, bones; strengthens blood vessels; increased absorption of iron; resistance to infections; vitamin protection; collagen production
- Inhibits Absorption: Stress, high fever, tobacco, antibiotics, aspirin, cortisone
- Enhances Absorption: Bioflavonoids, calcium, magnesium, all vitamins and minerals
Vitamin D (cholecalciferol)
- Natural food Sources: Fat, butter, fish liver oil, herring, sardines, egg yolks, salmon, tuna, organ meats, bone meal
- Deficiency Symptoms: May lead to rickets, lack of vigor, muscle weakness, inadequate absorption of calcium, phosphorus retention (in kidneys), diarrhea, insomnia, nervousness, soft bones and teeth, myopia
- Health Importance: Very important in infancy and childhood; healthy bone formation; healthy nervous system maintenance; good for thyroid gland, skin, teeth, normal blood clotting
- Inhibits Absorption: Mineral oil
- Enhances Absorption: Phosphorus, calcium, choline, A, C, F
Vitamin E (tocopherol)
- Natural food Sources: Margarine, cold pressed oils, whole wheat, sweet potatoes, molasses, nuts, dark green vegetables, eggs, organ meats, oatmeal, desiccated liver, wheat germ
- Deficiency Symptoms: Fragility of red blood cells, dry dull hair, sterility, impotency, miscarriages, gastrointestinal problems, heart disease, enlarged prostate
- Health Importance: Protects fat-soluble vitamins; slows aging; protects red blood cells; male potency; prevents blood clots; maintains healthy muscles and nerves; strengthens capillary walls; good for hair, skin, mucous membranes
- Inhibits Absorption: Mineral oil, rancid fat and oil, chlorine, birth control pills
- Enhances Absorption: Phosphorus, calcium, choline, A, C, F
Vitamin F (unsaturated fatty acids) (linoleic acid)
- Solubility: This is an essential fatty acid
- Natural food Sources: Butter, wheat germ, vegetables, flax, black currants, sunflower seeds
- Deficiency Symptoms: Acne, dandruff, dry hair, diarrhea, eczema, varicose veins, underweight, weak nails, gallstones
- Health Importance: Growth-promoting factor; necessary for healthy skin, hair; makes calcium available to cells; normal glandular activity; helps maintain resilience and lubrication; regulates blood coagulation; destroys cholesterol; prevents hardening of the arteries
- Inhibits Absorption: X-rays, radiation
- Enhances Absorption: Phosphorus, D, C, A, E
Vitamin P (bioflavonoids, rutin, hesperidin)
- Natural food Sources: Buckwheat, black currants, cherries, grapes, fruits
- Deficiency Symptoms: Tendency to bruise and bleed easily (same as symptoms caused by deficiency of Vitamin C)
- Health Importance: Colds and flu prevention; good for healthy capillary walls and connective tissue; infrequent bruising
- Inhibits Absorption: Same as for Vitamin C
- Enhances Absorption: Same as for Vitamin C
These natural products are not intendend to prevent, diagnose, treat or cure any disease.
|