All about fruitarianism with a long-term fruitarian, Lena

Food plants are known to produce a wide array of chemicals. The levels of many of the more toxic ones have been reduced by hybridisation, but many of these natural toxins are still present at low levels. Eating very large amounts of one type of such foods can possibly be somewhat toxic.

Common Plant Toxins and Antinutrients

Toxins (occurrence in plant foods) - possible effect on humans and animals in large amounts:
  • Cyanogenic glycosides (sweet potatoes, stone fruits, lima beans) - gastrointestinal inflammation, inhibition of cellular respiration.
  • Glulcosinolates (canola, mustard, radish, cabbage, peanut, soybean, onion) - impaired metabolism, reduced iodine uptake, decreased protein digestion.
  • Glycoalkaloids (potato, tomato) - depressed central nervous system, kidney inflammation, carcinogenic, birth defects, reduced iron absorption.
  • Gossypol (cottonseed) - reduced iron uptake, spermicidal, carcinogenic.
  • Lectins (most cereals, soybeans, other beans, potatoes) - intestinal inflammation, decreased nutrient absorption.
  • Oxalate (spinach, rhubarb, tomato) - reduces solubility of calcium, iron, and zinc.
  • Phenols (most fruits and vegetables, cereals, soybean, potato, tea, coffee) - destroys thiamine, raises cholesterol, estrogen-mimic.
  • Coumarins (celery, parsley, parsnips, figs) - light-activated carcinogens, skin irritation.

Leonardo da Vinci

I have from an early age abjured the use of meat, and the time will come when men such as I will look upon the murder of animals as they now look upon the murder of men.

Estimated Average Requirement EAR

Estimated Average Requirement (EAR) is the average daily nutrient intake level that is estimated to meet the requirements of half  - 50% - of the healthy individuals in a particular life stage and gender group. 

Because the needs of the other half of the population will not be met by this amount, the EAR is increased by about 20% to arrive at the RDA.

Before setting the EAR, a specific criterion of adequacy is selected, based on a careful review of the literature. When selecting the criterion, reduction of disease risk is considered along with many other health parameters. 

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