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Soybeans in fact contain a large number of dangerous substances. One among them is phytic acid, also called phytates. This organic acid is present in the bran or hulls of all seeds and legumes, but none have the high level of phytates that soybeans do. These acids block the bodyís uptake of essential minerals like calcium, magnesium, iron and especially zinc. Adding to the high-phytate problem, soybeans are very resistant to phytate reducing techniques, such as long, slow cooking.

Soybeans also contain potent enzyme inhibitors. These inhibitors block uptake of trypsin and other enzymes that the body needs for protein digestion. Normal cooking does not deactivate these harmful "antinutrients," that can cause serious gastric distress, reduced protein digestion and can lead to chronic deficiencies in amino acid uptake.

Beyond these, soybeans also contain hemagglutinin, a clot promoting substance that causes red blood cells to clump together. These clustered blood cells are unable to properly absorb oxygen for distribution to the body's tissues, and cannot help in maintaining good cardiac health. Hemagglutinin and trypsin inhibitors are both "growth depressant" substances. Although the act of fermenting soybeans does deactivate both trypsin inhibitors and hemagglutinin, precipitation and cooking do not. Even though these enzyme inhibitors are reduced in levels within precipitated soy products like tofu, they are not altogether eliminated.

Only after a long period of fermentation (as in the creation of miso or tempeh) are the phytate and "antinutrient" levels of soybeans reduced, making their nourishment available to the human digestive system. The high levels of harmful substances remaining in precipitated soy products leave their nutritional value questionable at best, and in the least, potentially harmful.

The processes which render the soybean "edible" are also the processes which render it "inedible." In fermenting soybeans, the process entails that the beans be purÈed and soaked in an alkaline solution. The purÈed mixture is then heated to about 115ƒC (239ƒF) inside a pressure cooker. This heating and soaking process destroys most, but not all, of the anti-nutrients. At the same time, it has the unwelcome effect of denaturing the proteins of the beans so they become very difficult to digest and greatly reduced in effectiveness. Unfortunately, the alkaline solution also produces a carcinogen, lysinealine, while it reduces the already low cystine content within the soybean. Cystine plays an essential role in liver detoxification, allowing our bodies to filter and eliminate toxins. Without proper amounts of cystine, the protein complex of the soybean becomes useless, unless the diet is fortified with cystine-rich meat, egg, or dairy products - not an option for Gerson patients.

To the soybeanís credit, they do contain large amounts of beneficial omega-3 fatty acids, but these are particularly susceptible to rancidity when subjected to high pressures and temperatures. Unfortunately, high pressure and temperature are required to remove soybean oil from the soybean.

Before soybeans are sent to your table, they undergo a rigorous process to strip them of their oil. Hexane or other solvents are first applied to help separate the oil from the beans, leaving trace amounts of these toxins in the commercial product. Hexane by definition is; "any of five colorless, volatile, liquid hydrocarbons C6H14 of the paraffin series," and cannot be the least bit beneficial in anyoneís diet. After the oil is extracted, the defatted flakes are used to form the three basic soy protein products. With the exception of full-fat soy flour, all soybean products contain trace amounts of carcinogenic solvents.

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