CHARACTERISTICS of Blood group diet A-type:
Type As flourish on vegetarian diets. It is also important for Type As to get their foods in as natural a state as possible, like fresh, pure and organic. Besides, Type As are biologically predisposed to heart disease, cancer and diabetes. Following a Type-A diet can supercharge their immune system and potentially short-circuit the development of life-threatening diseases.
Type As will be naturally thinner on the correct diet. Eating red meat makes Type As feel sluggish and less energised than when eating vegetable proteins. Type As also store meat as fat because of low stomach acid (which breaks down proteins). Dairy foods are also poorly digested by Type As as they can provoke insulin reactions and are high in saturated fat, the type that compromises the heart and leads to obesity and diabetes. Wheat is a mixed factor in the Blood group diet A-type; whilst they can eat it, Type As must be careful not to eat too much as this causes acidity to muscle tissue, inhibiting metabolism in this type.
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To receive the greatest benefits, Type As should eliminate all meats from their diet, although given the Western diet, this can be difficult. Chicken and turkey are neutral for Type As, but they should avoid processed meats such as ham and bacon.
Type As can eat seafood in modest quantities three or four times a week but avoid flatfish like sole and plaice as they contain a lectin that can irritate their digestive tract. Other fish to be avoided anchovy, crab, haddock, herring, lobster, mussels, shrimp and smoked salmon.
Type A can tolerate small amounts of fermented dairy produce but should avoid anything made with whole milk and limit egg consumption to occasional organically produced eggs. Type A choices should be yoghurt, kefir and cultured dairy products. Goat’s milk and soya are good substitutes, as is soy cheese. Dairy products are not digestible for Type As because they produce antibodies to the primary sugar in milk. Foods to avoid include any cheese made from cow’s milk and ice cream.
Type As need very little fat to function well, but a tablespoon of olive oil on salads or steamed vegetables every day will aid in digestion and elimination. Oils to avoid include corn oil, groundnut oil, safflower oil and sesame oil.
Since Type As should eat very little animal protein, nuts and seeds supply an important protein component in the diet. Pumpkin seeds, sunflower seeds, almonds and walnuts are all good for Type As. Type As should also eat peanuts as often as they can as they contain a cancer-fighting lectin (eating the skins and the nuts). Type As with gall bladder problems should limit themselves to small amounts of nut butter instead of whole nuts. Nuts to avoid are brazil nuts, cashew nuts and pistachio nuts.
Type A thrives on the vegetable protein found in beans and pulses. However, like kidney beans and chickpeas, some contain a lectin that can decrease insulin production, often a factor in both diabetes and obesity.
Blood group diet Type As generally do well on cereals and grains and can eat these foods one or more times a day. They should select whole grains instead of instant and processed cereals and introduce millet, soya wheat and whole oats into the diet. Wheat-eating Type A need to balance the intake of acid-forming wheat with more alkaline foods such as fruit and vegetables as Type As do better when their tissues are slightly alkaline. Buckwheat is very beneficial, but they should avoid wheat germ, shredded wheat, wheat germ and wheat bran, white flour, semolina flour and wholewheat flour.
Fruit and vegetables are vital to the Type A diet, providing minerals, enzymes and antioxidants. Most vegetables are available to Type As, but a few do aggravate the delicate Type A stomach, such as peppers and fermented olives. Type As are also very sensitive to the lectins in most potatoes, sweet potatoes, yams and cabbage. They should also avoid tomatoes which have a strong effect on their digestive system. Type A should eat fruit three times a day, emphasising the more alkaline fruits such as berries and plums. Type A doesn’t do well on tropical fruits such as mango and papaya. Pineapple is, however, excellent for the Type A digestive tract. Other fruits to avoid include bananas, coconuts, cantaloupe and honeydew melon, oranges, rhubarb and tangerines.
Type A should view these ingredients as more than just flavour enhancers as the right combination of spices can be a powerful immune system booster. Tamari, miso and soy sauce are very beneficial for Type A. Furthermore, blackstrap molasses is a good source of iron, a mineral lacking in the Type A diet. Kelp is an excellent source of iodine, but they should avoid vinegar because of its acidic properties. Sugar and chocolate are allowed on the Type A diet but only in tiny amounts. Type As should also avoid gelatine, pepper (black, cayenne, white) and all kinds of vinegar.
Red wine is good for Blood group diet A-type because of its positive cardiovascular effects. Coffee may also be good for type As as it raises stomach acid and has the same enzymes found in soya. Besides, I recommend alternating coffee and green tea for the combination of benefits. They should avoid all other beverages as they don’t suit the digestive system of Type A, nor do they support the immune system.
D’Adamo P. The Eat Right Diet. Century 1998