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Aggregated definitions of terms used on Fruitarian's Network. A definition is a statement of the meaning of a term - a word, a phrase, or a set of other symbols.
Nitrogen balance is a measure of nitrogen input minus nitrogen output:
Nitrogen Balance = Nitrogen intake - Nitrogen loss
Nitrogen is a fundamental component of amino acids, which are the molecular building blocks of protein. Measuring nitrogen inputs and losses can be used to study protein metabolism.
Choline is an essential vitamin-like (vitamin B4) nutrient, synthesized in human body, but not sufficiently.
The recommended adequate intake (AI) of choline is set at 425 milligrams (mg)/day for women and 550 mg/day for men.
Choline deficiency causes muscle damage and abnormal deposition of fat in the liver, which results in a condition called nonalcoholic fatty liver disease. Genetic predispositions and gender can influence individual variation in choline requirements.
Example Plant Fruitarian Sources of Choline
Seeds (including legumes and nuts), high in choline, milligrams per 100 g portion:
- Soybeans - 124 mg
- Lima beans - 97 mg
- Lentils - 96 mg
- Peas (mature) - 96 mg
- Flaxseeds - 79 mg
- Pistachio nuts - 71 mg
- Quinoa - 70 mg
- Pumpkin and squash seed kernels (pepitas) - 63 mg
- Cashew nuts - 61 mg
- Pine nuts - 56 mg
- Sunflower seed kernels - 55 mg
- Buckwheat - 54 mg
- Almonds - 52 mg
Fruits, high in choline, milligrams per 100 g portion:
- Tomatoes, sun-dried - 105 mg
- Apples - 18 mg
- Figs - 16 mg
- Avocados - 14 mg
Minerals (nutrients) are inorganic substances (contain no carbon) that are necessary for normal body function and development.
Macro-minerals are needed in large doses (approximate recommended daily intake, milligrams (mg) per day ):
- potassium, K (3500 mg) - metal, ions are necessary for the function of all living cells;
- chloride, Cl− (3400 mg) - essential electrolyte in all body fluids;
- sodium, Na, natrium (2400 mg) - metal, essential for all animals and some plants;
- calcium, Ca (1000 mg) - metal, essential for living organisms, produced in supernova nucleosynthesis;
- phosphorus, P (1000 mg) - in the form of the phosphate is required for all known forms of life;
- choline (425 - 550 mg) - essential vitamin-like (vitamin B4) nutrient, synthesized in human body, but not sufficiently;
- magnesium, Mg (350 mg) - metal, essential for all known living organisms;
Trace minerals are needed in very small amounts (recommended daily intake, milligrams (mg) or micrograms (mcg) per day:
- iron, Fe (15 mg) - metal, found in nearly all living organisms;
- zinc, Zn (8 - 11 mg) - metal, essential for humans and other organisms;
- manganese, Mn (5 mg) - metal, toxic essential trace element;
- fluorine, F, fluoride ion, F− (3 - 4 mg) - a beneficial poisonous element, essential for bone solidity;
- copper, Cu (2 mg) - metal, essential to all living organisms;
- iodine, I (150 mcg) - a key component of thyroid hormones;
- selenium, Se (35 mcg) - toxic in large doses, essential micronutrient for animals;
- chromium, Cr (30 mcg) - chromium (III) is questionably essential for humans.
An enterotype is a classification of living organisms based on its bacteriological ecosystem in the gut microbiome. Humans can be roughly divided into three enterotypes depending on which genus of bacteria dominates their gut: Bacteroides, Ruminococcus, or Prevotella.
- People who eat a lot of meat and saturated fat tended to have more Bacteroides in their flora.
- Ruminococcus prevailed in people who consumed lots of alcohol and polyunsaturated fats.
- Prevotella favored a diet rich in carbohydrates.
Long-term diet is strongly associated with the gut microbiome composition. If switching gut enterotype is possible, it may take a long-term dietary intervention.
Chimpanzees have enterotypes that are compositionally analogous to those found in humans.
Vitamins are a group of substances that are needed for normal cell function, growth, and development. There are 13 essential vitamins:
- Vitamin A (retinol, retinal, 4 carotenoids)
- Vitamin C (ascorbic acid)
- Vitamin D (D3 - Cholecalciferol, D2 - Ergocalciferol)
- Vitamin E (tocopherols, tocotrienols)
- Vitamin K (phylloquinone, menaquinones)
- Vitamin B1 (thiamine)
- Vitamin B2 (riboflavin)
- Vitamin B3 (niacin)
- Vitamin B5 (pantothenic acid)
- Vitamin B6 (pyridoxine, pyridoxal, pyridoxamine)
- Vitamin B7 (biotin)
- Vitamin B9 (folic acid)
- Vitamin B12 (cyanocobalamin)
Fat-soluble vitamins are stored in the body's fatty tissue: vitamins A, D, E, K.
Water-soluble vitamins - the body must use almost all water-soluble vitamins right away - vitamins B1, B2, B3, B5, B6, B7, B9 and C.
Vitamin B12 is the only water-soluble vitamin that can be stored in the liver for many years.
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The question is not, "Can they reason?" nor, "Can they talk?" but "Can they suffer?”
Carotenoids are a class of more than 750 pigments synthesized by plants, algae, and photosynthetic bacteria. These richly colored molecules are the sources of the yellow, orange, and red colors of many plants. Fruit and vegetables provide most of the 40 to 50 carotenoid phytonutrients found in the human diet.
The most common carotenoids in North American diets are α-carotene, β-carotene, β-cryptoxanthin, lutein, zeaxanthin, and lycopene.
Provitamin A carotenoids - α-carotene, β-carotene, and β-cryptoxanthin - can be converted by the body to retinol (vitamin A), but not lutein, zeaxanthin, and lycopene.
Dietary lutein and zeaxanthin help maintain optimal visual function - they absorb damaging blue light that enters the eye.
The results of observational studies suggest that diets high in carotenoid-rich fruit and vegetables are associated with reduced risks of cardiovascular disease and some cancers. But high-dose β-carotene supplements did not.