All about fruitarianism with a long-term fruitarian, Lena


Vegetarian diet excludes meat (red meat, poultry, seafood, and the flesh of any other animal).

  • Fruitarian Dish on Airplane - Fruit Plate

    Fruit Plate Airplane

    When I need to fly, I always try to request a fruit plate or a vegan dish of some kind, or at least vegetarian, even though I am unlikely to eat most of it.

    This year I got lucky on my way to Europe with the fruit on a Lufthansa flight, and it made the trip more pleasant.

  • Henry David Thoreau

    One farmer says to me, 'You cannot live on vegetable food solely, for it furnishes nothing to make bones with;' and so he religiously devotes a part of his day to supplying his system with the raw material of bones; walking all the while he talks behind his oxen, which, with vegetable-made bones, jerk him and his lumbering plow along in spite of every obstacle.

  • 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.

  • Benjamin Franklin

    My refusing to eat flesh occasioned an inconveniency, and I was frequently chided for my singularity, but, with this lighter repast, I made the greater progress, for greater clearness of head and quicker comprehension. Flesh eating is unprovoked murder.

  • Complex Fruitarian Salad with Spices and Herbs

    Fruitarian Salad - a somewhat complex non-sweet fruit salad recipe, with my usual spices and herbs, and with some additional ingredients this time like chives, oregano, sage, thyme, marjoram, basil, rosemary, etc. - raw vegan, for Winter and cold - a 30-minute improvised video:

    Hope you liked some of my ideas and got your own!

  • Response to Eisel Mazard (a-bas-le-ciel) - Unnatural Vegan vs. Ethical Vegans

    Since September 2016, I watched quite a few videos on a YouTube channel à-bas-le-ciel by Eisel Mazard. I started with his critique on Durianrider and Freelee the Banana Girl, but then switched somehow to his older videos on veganism, and liked many of them. Even though I disagree with many of his views and his style of argumentation, I find it is good to have a channel like this in the vegan online world.

  • Vlog 16: My Fruitarian Meals, Sorry for my Errors

    Hibiscus tee, apologies for the errors in my English, my two white baking plates, fruits (persimmons, apples), seeds (almonds, peanut butter), how and when I eat, recycling in California (SoCal).

  • One-Day Fruit Diet

    Consulting nutritionist and clinical dietitian in India, Pooja Makhija, on fruitarian diet:

  • Seeds in Fruitarian Diet?

    Some fruitarians maintain that fruitarian diet should include only fruit flesh, which usually surrounds seeds of the common fruits. They insist on nver including seeds, because eating them would mean the same as destroying plants (or their "babies").

    I must disagree

    1. First, seeds are not developed organisms. The main premise of fruitarianism is that complex organisms as plants deserve our ethical consideration, and most seeds are just dormant plant matter: it would be highly impractical and even immoral to treat them as individuals. 
    2. Second, they are produced by plants in excess, not all require to go through our digestive system, and only few can develop into organisms due to shortage of resources on this planet.
    3. Third, fruitarianism is about fruits is botanical sense, not culinary or common.
  • Plant Protein Balance

    Mixtures of plant proteins can serve as a complete and well-balanced source of amino acids for meeting human physiological requirements. 

    Plant protein foods contribute ~ 65% of the per capita supply of protein on a worldwide basis, and ~ 32% in the North American region.

Albert Schweitzer

A man is ethical only when life, as such, is sacred to him, that of plants and animals as that of his fellow men, and when he devotes himself helpfully to all life that is in need of help. 

Protein Structure, Cooked and Denatured Proteins

Proteins are chains of amino acids. The sequence of amino acids in a chain is known as the primary structure of a protein. The chains fold up to form complex three dimensional shapes. The chains can fold on themselves locally (secondary structure) and wrap around themselves to form a specific three dimensional shape (tertiary structure).

The secondary / tertiary structure of a folded protein is directly related to its function. For example, enzymes are proteins that catalyze reactions. They have binding sites that interact with other molecules. These binding sites are created through the folding of the amino acid chains that gives rise to the three dimensional shape of the enzyme.

Denatured Protein

Denaturation of proteins involves the disruption and possible destruction of both the secondary and tertiary structures. Since denaturation reactions are not strong enough to break the peptide bonds, the primary structure (sequence of amino acids) remains the same after a denaturation process. Denaturation disrupts the normal sheets in a protein and uncoils it into a random shape.

Denaturation occurs because the bonding interactions responsible for the secondary structure (hydrogen bonds to amides) and tertiary structure are disrupted. In tertiary structure there are four types of bonding interactions between "side chains" including: hydrogen bonding, salt bridges, disulfide bonds, and non-polar hydrophobic interactions. which may be disrupted. 

Proteins can be denatured through exposure to heat or chemicals. Denatured proteins lose their three dimensional structure and thus their function. 

Digestion of Proteins and Cooking

Protein digestion begins in the stomach, where the acidic environment favors protein denaturation. Denatured proteins are more accessible as substrates for proteolysis than are native proteins. The primary proteolytic enzyme of the stomach is pepsin, a nonspecific protease that is maximally active at pH 2. Thus, pepsin can be active in the highly acidic environment of the stomach, even though other proteins undergo denaturation there.

Heat disrupts hydrogen bonds and non-polar hydrophobic interactions. This occurs because heat increases the kinetic energy and causes the molecules to vibrate so rapidly and violently that the bonds are disrupted

Foods are cooked to denature the proteins to make it easier for enzymes to digest them. Cooking food denatures some of the proteins in it and makes digestion more efficient. Heating to denature proteins in bacteria and thus destroy the bacteria.

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