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Fruit Contains All Required Protein
In Short :
Even consuming (the right-) fruits only, you will absorb all protein you need. Consuming a little fresh raw animal food every once and a while too, abundantly supplies you with protein. These foods combined also contain all other nutrients you need. Consuming too much protein can cause depressions, sleeplessness (see site13) and vitamin D deficiency, and lack of vitamin B2, B6 and folic acid for these are required to process protein. Consuming prepared proteinacous food causes many different diseases, like Parkinson's, dementia, cancer ,obesity etc. (see index and diet suggestions)
It's best to combine fruits with some (fresh raw-) foods containing high-quality protein. In relation to human requirements, protein quality of Brazil nuts in particular, and raw fish in general is best. Protein quality of beans, bread rolls, soy, pasta and dairy products is worst. In Detail : Amino Acids The proteins you consume are composed of amino acids. But if these proteins lack 1 of the essential amino acids, you can't use them for construction purposes. So we don't need protein, but amino acids.
Like 10+ days mother's milk, fruit as an average contains only 1% protein. And just as babies obtain all required protein from human milk, adults can obtain all required protein from fruits. Even consuming the right mixed fruits only, you will absorb almost twice as much of all the amino acids as you minimally need°. Simply because you need to consume lots of fruit to obtain sufficient calories.
Consuming the right fruits, you will absorb too little energy from it before you will absorb too little protein. Absorbing sufficient energy from fruits comes with absorbing sufficient protein.
° A lean 60kg woman for example, needs to consume 2 to 4 kg of fruit to obtain sufficient calories. (2000 to 3600 kcal) A lean 80kg man for example, needs to consume 4 to 6 kg of fruit to obtain sufficient calories. (3600 to 5300 kcal) Mixed fruit (equal portions of pineapple, banana, orange, mandarin, peach and avocado, and 100g of dried figs , 100g dried date + 35 g brazil nuts), contains (in mg) more of every amino acid (1) than we need ;
Fruits however, do not contain vitamin B12, vitamin D nor cholesterol. And besides fruit, everybody wants to eat some potato crisps or other munch-food, containing 'bad' protein. Therefore you also need a little animal food every once and a while, containing vitamin B12, -D, cholesterol and much more of all the essential amino acids too.
Fruit-protein Quality Consuming natural foods (fruits and some raw animal food), you will always absorb more than sufficient protein. Therefore, the body cannot even store protein. Sugars and fats are more scarce (and more short-term essential), and can therefore be stored as glycogen, glycerol and fatty acids. How could we ever believe we need much protein ?
Protein quality of some fruits ; 91% Brazil nut 46% peach 46% fig 32% coconut 31% date 30% pineapple ° 29% walnut 26% mandarin 25% hazelnut 23% avocado 21% pear ° 12% watermelon ° 11% apple 10% orange 9% banana 9% strawberries 8% tomato ____ 27% average
° Amino acid content not available in Souci, S.W. et al, Food Composition and Nutrition Tabels, Medpharm Scientific Publishers Stuttgart, and therefore obtained from the USDA Nutrient Database at www.nal.usda.gov/fnic/cgi-bin/nut_search.pl Using USDA amino acid tabels, Brazil nut-protein quality is 86%. The Need For Protein As infants grow older, they need less protein; Pretransitional human milk (2nd to 3th day post partum) yet contains 2,6% protein. Transitional human milk (6-10th day post partum) contains 1,6% protein. Mother's milk (mature milk from 10th day post partum) contains only 1,1% protein.
Consuming more protein in general, does not at all enhance growth, for processing more protein requires extra vitamins and energy. Logically, Neanderthals consuming much more animal food ,were less tall than earlier Homo erectus, who consumed less animal food and more fruits.
Consuming lots of fruits and 50 gram of fresh raw salmon or -egg yolk daily, even tall men abundantly absorb all the protein they need. Protein recommendations are much higher than protein requirements because ‘we are supposed’ to eat unnatural and prepared foods, containing badly composed protein. * FAO / WHO recommendations are too high, for 'safety' reasons ; most food is consumed after preparation, causing destruction of amino acids. Compared to minimal need for amino acids, FAO / WHO recommendations are about twice as high as necessary. This has been affirmed through other scientific investigations ; To meet the minimal amino acid requirements, for each kg bodyweight, 0,60 gram (6) ,respectively 0,51 gram or 0,34 gram (7) potato protein appeared to be sufficient to maintain nitrogen balance. These figures equal 57%, respectively 48% and 32% of FAO / WHO recommendations for methionine and cysteine, the most scarce amino acids in potato protein, considering raw potato protein. In fact protein requirements are even lower, because in these investigations people were not fed raw- but prepared potato protein. And due to the preparation process protein quality decreases. In fried potato slices for example, protein quality has even decreased 70%. Considering a moderate 10% decrease, these potato protein intakes would meet 29% to 51% of FAO / WHO recommendations. Prepared Proteinacous Food People think protein is healthy, and fats and sugars are not. But that is not true ; Due to the preparation of food, protein easily becomes mutagenic, toxic to the brain and / or mind altering. Damaged protein causes obesity, diabetes and stress. Sugars and fats are primarily essential to the brain and the heart. (see 13/brainfood) Protein from prepared food is also not that valuable (anymore), because much essential amino acids are chemically altered due to the influence of heat. Protein quality of prepared pork for example, is 9 to 11% lower than protein quality of raw pork. (8) Frying potato slices (crisps) even decreases protein quality 70%, destroying almost all methionine. (9)
To compensate the low quality of proteins from unnatural- ,and from prepared food, a high total protein intake is officially recommended. Instead, to become much healthier, and to be able to focus much better, you should drastically reduce prepared protein- and unnatural foods consumption. To absorb ample protein; all you need is fruits and a little high quality protein regularly. Protein Quality Processing redundant protein requires extra vitamin B2, B6 and folic acid. That's why pregnant women that consume 'normal' (proteinous-) food can cause folic acid deficiency in their babies. Also, by consuming more protein instead of little high-quality protein, the average protein quality decreases*. Consuming the right fruits supplies you with all the protein you need. And if you think you need extra amino acids, you should consume high quality raw protein.
* Glutathione (also an antioxidant) is needed to absorb single amino acids (Meister cycle). And glutathion is partly (33%) composed of cysteine. The more single amino acids are absorbed, the more cysteine is required, whilst cysteine is (together with methionine) the most scarse amino acid in our food. The more protein is consumed, the worse average protein quality will be. An other reason to consume little ,but high quality protein.
Judging Protein Commonly, protein value is determined in comparison with chicken-egg-white-amino acid-content. Huh ? Yes, ... they say chicken-egg white-protein is the best, and therefore every deviating protein is less valuable. This however, is a lie; Compared to the need of the human body for amino acids ,egg white-protein is not at all perfect. And therefore you can never judge proteins by comparing them to egg white-protein. Like you can't say that a student having lots of A's ,but a C for chemistry and biology, has perfect results, and that deviating results are worse per se. Suppose an other student has lots of A’s ,but a B for English and math, did he do worse ? Of course not ! To judge the students ,their results have to be compared to perfection, and not to non-perfect results of another student. Of course a B should be judged as a better result than a C. To judge food-proteins, amino acid contents have to be compared to the amino acid requirements of the body, not to a non-perfect food protein.
Chicken-egg-white protein is not at all perfect ; according to different scientific investigations, the adult human body needs 45% more (5) to 7% less (3) methionine and cystine than phenylalanine and tyrosine, but chicken-egg white protein contains 38% less methionine and cystine than phenylalanine and tyrosine. (10)
Logically, nobody agrees about how much of every amino acid we need. Logically, because the need for amino acids is different for each person, and also changes every day. But there is a very clear pattern ; consuming different foods, averagely, the amino acids methionine and cystine always are most scarce (compared to the need of the body). see weakest link at this page.
'A chain is as strong as its weakest link'. The same goes for proteins ; its quality is determined by the availability of the scarcest amino acids.
Protein Quality of Different Proteinacous Foods (raw, if not mentioned otherwise) What do those figures below mean° ? For example ; 1 gram of Brazil nut-protein supplies you with as much useful amino acids as 3 grams of milk protein does.
91% Brazil nuts (for external info, click here) 80% crayfish 72% edible snail°° 62% chicken egg white°°° 56% horse meat°° 52% sole (fish) 49% ling (fish) 47% brown shrimp 47% halibut 46% oriental sesame 45% salmon 45% Horse mackerel (Jack mackerel) 45% rolled oats* 45% herring** 44% chicken egg yolk 43% mullet (fish) 44% lobster 42% crawfish (Spiny lobster) 43% cod (fish) 43% cashew nut 42% mackerel 42% chicken breast / leg 42% pork, muscles only 41% oyster 39% mussel 39% soft clam 39% fruits menu*** 39% wheat, whole grain 39% wheat whole meal bread 38% trout 38% beef, muscles only 38% mutton, muscles only 38% tuna 37% turkey, young 37% cooked ham 37% veal, muscles only 37% barley 37% millet 37% rice, polished 37% wheat (flour) bread (white bread) 36% corned beef 36% quark, fresh cheese 35% sunflower seed 35% Edam cheese 35% maize, whole grain 35% Cheddar cheese 34% ewe's milk (sheep milk) 34% rice, unpolished 34% rye, whole grain 32% crisp bread 32% rye whole-meal bread 32% cow's milk, raw / reduced fat 32% pea 31% almond, sweet 31% Parmesan cheese 31% Soya bean 31% winged bean (Goa bean) 30% Salami 30% lamb, muscles only 30% yogurt 30% Brie cheese 30% pasta made w. eggs (noodles, spaghetti etc) 30% cow's milk, full fat / 3,5% 28% Soya flour 26% peanut 25% Mung bean (Indian bean, green- / golden g.) 25% chickpea 24% Lima bean (butter bean) 22% potato (only 2% protein) 21% white beans 21% macadamia nuts 19% bread rolls 18% lentil 17% Cowpea, common 13% shredded wheat bread 13% Pigeon pea (Red gram) 10% Hemp seeds 8% Black gram (Mungo bean) 8% gelatine 7% potato crisps
°Protein quality of every food has been calculated by relating the sum of cystine and methionine to 2 / 18 part of total protein content. The result reflects share of methionine and cystine in the particular food-protein, in comparison to the average amino acid share (there generally are 18 amino acids in food proteins). The list also shows that methionine and cystine are relatively scarce amino acids. Consuming different foods, averagely methionine absorption is always larger than cystine absorption. °°In fact protein quality of horsemeat and edible snail is higher than stated, but the amount of cystine (and tryptophan in edible snail) is unknown. Consuming horsemeat does however decrease average availability of tryptophan for serotonin production ; consuming horsemeat can cause depressions / sleeplessness ; see site13. °°°Raw chicken egg white contains avidine and ovomucoide, inhibiting digestion. Only consume raw egg yolk, containing most of all vitamins and minerals. (see site3) *Rolled oats are the only cereals that can be digested raw relatively well (but you definitely don't need it !!!), buteven the rolled oats you find in the shops are not really raw, although they will tell you so. Raw rolled oats are hardly maintainable, and therefore always get some heat-treatment. **Herring is always deep-frozen at sea, because raw herring can contain herring-worms. ***The fruits-menu is composed of 35 gram Brazil nuts, 300 gram orange, 300 gram banana, 200 gram avocado and 150 gram apricot (peach-amino acid cont.), for containing (together with some animal food) an ideal combination of vitamins and minerals.
Weakest LinkThe strength of a chain is determined by its weakest link. The quality of food protein is determined by the scarcest amino acid in total daily protein consumption. Some people think it is determined each meal, but that is not true ; in the digestive tract endogenous protein (± 80 gram daily !!) is mixed with consumed proteins, eliminating the possibility that commonly-not-so-scarce amino acids incidentally can be most scarce. Also does the liver hold small amounts of amino acids, and fluctuate blood-amino acid levels, again eliminating incidental scarcities. Therefore the scarcest amino acid is determined by total daily protein consumption.
To determine the scarcest amino acid in relation to the need for amino acids, we first need to know how much of every (semi-) essential amino acid we need.
The official FAO / WHO 1985 recommendations include 'safety margins'. In milligrams / kg lean bodyweight ;
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