All about fruitarianism with a long-term fruitarian, Lena

Diet

Diet - providing or obtaining the food necessary for health and growth, choice of nutrition.

  • Dietary Reference Intake DRI

    Dietary Reference Intakes (DRIs) are reference values that are quantitative estimates of nutrient intakes to be used for planning and assessing diets for healthy people. They include both recommended intakes and upper intake levels.

    Although the reference values are based on data, the data are often insufficient or drawn from studies that had limitations in addressing the question. Scientific judgment is required in setting the reference values. 

    • EAR - Estimated Average Requirement - a nutrient intake value that is estimated to meet the requirement of half the healthy individuals in a group.
    • RDA - Recommended Dietary Allowance - the average daily dietary intake level that is sufficient to meet the nutrient requirement of nearly all (97 to 98 percent) healthy individuals in a group.
    • AI - Adequate Intake: a value based on observed or experimentally determined approximations of nutrient intake by a group of healthy people.
      Used when an RDA cannot be determined.
    • UL - Tolerable Upper Intake Level - the highest level of daily nutrient intake that is likely to pose no risk of adverse health effects to almost all individuals in the general population. As intake increases above the UL, the risk of adverse effects increases.
  • 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. 

  • Recommended Dietary Allowance RDA

    Recommended Dietary Allowance (RDA) - the average daily dietary nutrient intake level sufficient to meet the nutrient requirement of nearly all - ~97% - healthy individuals in a particular life stage and gender group. 

    The process for setting the RDA depends on being able to set an Estimated Average Requirement (EAR). If an EAR cannot be set, no RDA will be set. The EAR is the daily intake value of a nutrient that is estimated to meet the nutrient requirement of half the healthy individuals in a life stage and gender group.

    The RDA is set at the EAR plus twice the standard deviation (SD) if known (RDA = EAR + 2 SD). If data about variability in requirements are insufficient to calculate a standard deviation, a coefficient of variation for the EAR of 10% is ordinarily assumed (RDA = 1.2 x EAR).

    The RDA for a nutrient is a value to be used as a goal for dietary intake by healthy individuals. The RDA is not intended to be used to assess the diets of either individuals or groups or to plan diets for groups.

  • Undernutrition

    Undernutrition is a form of malnutrition. (Malnutrition also includes overnutrition).

    Undernutrition can result from:

    • inadequate ingestion of nutrients,
    • malabsorption,
    • impaired metabolism,
    • loss of nutrients due to diarrhea,
    • increased nutritional requirements.

    Undernutrition progresses in stages: it may develop slowly when it is due to anorexia or very rapidly. First, nutrient levels in blood and tissues change, followed by intracellular changes in biochemical functions and structure. Ultimately, symptoms and signs appear. Diagnosis is by history, physical examination, body composition analysis, and sometimes laboratory tests. 

    Undernutrition from micronutrient deficiencies, or "hidden hunger", affects over 2 billion people globally and can lead to reduced growth and cognitive development, birth defects, blindness, and overall poor health. Vitamin A deficiencyiron deficiency anaemia and iodine deficiency disorders are among the most common forms of micronutrient malnutrition. 

  • Overnutrition

    Overnutrition, a type of malnutrition, is emerging with rates of obesity and related chronic diseases associated with urbanisation, aging populations, technological development and globalisation of food supplies and industry. Billions of dollars are spent annually by the food industry to promote the consumption of highly refined, high-calorie foods with little or no nutritional value. 

    At least 35 million overweight children are living in developing countries and 8 million in developed countries. Children are increasingly exposed to high-fat, high-sugar, high-salt, energy-dense, micronutrient-poor foods which tend to be cheaper than healthy foods. General imbalance in energy intake compared to physical activity levels is driving the obesity epidemic. In industrialised countries, child obesity risk is associated with lower household income, women with less education, and single parent households.

    Obesity is increasingly prevalent among adolescent girls and women, as access to a greater quantity of inexpensive, tasty, and convenient foods increases. 

    Taxation on high-calorie, low-nutrition foods can play a significant role in reducing the consumption of such products. Population-wide weight-control campaigns that raise awareness among medical staff, policy-makers and the public at large can also help to reduce obesity. Particularly important is the promotion of health literacy. Additional measures include restrictions on the marketing of unhealthy foods and sugary drinks to children, and controls on the use of misleading health and nutrition claims; mandatory front-of-pack food labelling helps consumers to identify healthier options. 

  • Child's Right to Adequate Nutrition

    A child’s right to adequate and appropriate nutrition is stipulated under Article 6 and 24 of the Convention on the Right’s of the Child. 

    In 2010, an estimated 171 million children (167 million of whom live in developing countries) were stunted. Children who are stunted are at a greater risk of having difficulty learning, playing, engaging in normal childhood activities and being productive members of society later in life. Undernourished children are also more susceptible to frequent and repeated disease and illness due to a weakened immune response, as well as at a greater risk of becoming overweight or obese later in life.

    A child’s nutritional future begins with the mother’s nutritional status in adolescence and during pregnancy.

  • Paleo Diet Based on Fruits and Seeds

    About paleo diet from an expert Christina Warinner: paleo people did not eat much meat, they did eat seeds, grains and legumes, of cause fresh fruit. Their diets were regionally and seasonably variable.

  • Nori and Chlorella for B12

    A nutritional analysis for the dietary food intake and serum vitamin B12 (cobalamin) level of a group of 6 vegan children aged 7 to 14 who had been living on a vegan diet for 4 to 10 years suggests that consumption of nori may keep vegans from suffering vitamin B12 deficiency.

    Rauma et al. also reported that vegans consuming nori and/or chlorella had a serum vitamin B12 concentration twice as high as those not consuming these algae.

  • Vegetarian Diets and Health

    Vegetarian diets do not contain meat, poultry or fish, vegan diets further exclude dairy products and eggs. Vegetarian and vegan diets can vary widely.

    In general, vegetarian diets provide relatively large amounts of cereals, pulses, nuts, fruits and vegetables.

    In terms of nutrients, vegetarian diets are usually

    • rich in carbohydrates, n-6 fatty acids, dietary fibre, carotenoids, folic acid, vitamin C, vitamin E and Mg,
    • relatively low in protein, saturated fat, long-chain n-3 fatty acids, retinol, vitamin B12, zinc (Zn),
    • vegans may have particularly low intakes of vitamin B12 and low intakes of Ca.

    On average, vegetarians and vegans have a relatively low BMI and a low plasma cholesterol concentration, but higher plasma homocysteine concentrations than in non-vegetarians. Overall, the data suggest that the health of Western vegetarians is good and similar to that of comparable non-vegetarians.

  • Vegetarian Diets and Heart Disease

    In comparison with regular meat eaters, mortality from ischemic heart disease was

    • 20% lower in occasional meat eaters,
    • 34% lower in people who ate fish but not meat,
    • 34% lower in lacto-ovo-vegetarians,
    • 26% lower in vegans.

    There were no significant differences between vegetarians and non-vegetarians in mortality from the other causes of death examined.

William of Ockham

Entities should not be multiplied unnecessarily.

Seeds

Seed is an embryonic plant enclosed in a protective outer covering. The formation of the seed is part of the process of reproduction in seed plants. Seeds have been an important development in the reproduction and success of gymnosperms and angiosperms plants, that now dominate biological niches on land. 

The term "seed" also has a general meaning of anything that can be sown, e.g. "seed" potatoes (tubers), "seeds" of corn or sunflower "seeds". 

Many structures commonly referred to as "seeds" are actually dry fruits. Different groups of plants have other modifications, the so-called stone fruits (such as the peach) have a hardened fruit layer (the endocarp) fused to and surrounding the actual seed.

Nuts are the one-seeded, hard-shelled fruit of some plants with an indehiscent seed (acorn, hazelnut).

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