Thursday, November 8. 2007The Skinny on the Raw Food DietThe last few decades mark an increasing interest in the correlation between food enzymes and health. Researchers found an interesting association between the body's enzyme pool and the aging process - which means, the older one gets, the fewer enzymes the body will have and the more vulnerable to disease one becomes. I have addressed this important topic in The Warrior Diet book (new revised edition by Blue Snake Books, Dec. '07 - available at amazon.com). I have covered the importance of ingesting live enzyme-dense foods (including naturally fermented foods) under the title Enzyme Loading. Nonetheless, I am quite concerned with the emotional impact of this topic on health consumers. Those who read articles, such as the one published recently at Weston A. Price may reach the conclusion that unless raw, sprouted or fermented, all foods are not viable. If this is true, even raw nuts and seeds may not be good enough in this respect. There is a growing crowd of people who currently follow the so-called "raw food diet" based on the premise that eating raw food only (including of course vegetables, fruits, legume sprouts, sprouted grains, raw dairy and even raw meat and marine food) is the only way to grant maximum nourishment. Since I've already addressed this topic in The Warrior Diet book, let me just note here that the raw food diet misleads people to believe that all cooked foods are inferior to all raw foods. The truth is that in many cases, such as with cruciferous vegetables (broccoli, cabbage) and nightshades (tomatoes, eggplants), the cooked versions of the above are more digestible and by far more nutritive than the raw version. The active phytonutrients in broccoli and tomatoes (indoles and lycopene, respectively) can be released and absorbed hundreds of times more efficiently in the cooked version. As for enzymes, certainly enzyme loading from raw, sprouted or fermented foods is highly beneficial but let's put things in proportion. First, plant enzymes are not digestive enzymes. They work on a different pH than the body's digestive enzymes and therefore cannot support digestion directly. Second, while some enzymes inhibitors may be harmful (premature sprouts or uncooked legumes), other enzyme inhibitors can be highly beneficial, such as some protease inhibitors (phytates) or aromatase inhibitors which have been found to be potentially anti-cancerous. The notion that nuts and seeds must be sprouted before ingestion is preposterous. Raw nuts and seeds are perfectly fine to nourish the human body whether in a sprouted form or not. There are no harmful inhibitors in mature nuts and seeds and any rancidity or inadequacy in these foods can be instantly detected via smell or taste. Third, eating raw meat may seem "Paleolithic and healthy" but nowadays it can be detrimental. Besides hosting pathological bacterium, meat is a host substrate for harmful viruses, most notable of which is the toxoplasma virus that has shown to cause serious neuro damaging effects on animals and potentially on humans. Eating raw meat today does not make sense, to say the least. Fourth, note that the article at Weston A. Price was written by two ladies to promote the sales of their cooking book. In conclusion, raw, sprouted and fermented foods are great but it doesn't make sense to commit to eating these foods only. You can certainly benefit from eating cooked foods as well with a big bonus of pleasing your palate with a larger variety of meals. Trackbacks
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Ori,
Where is your evidence about broccoli, tomatoes, and nightshades being more nutrionally beneficial when cooked? What are your sources?
The increased assimilation of lycopene and indoles from tomato source and cooked broccoli (rather than raw) has been well established. This isn’t a new discovery but rather old news. The database is available via the internet. Other night shades (besides tomatoes) including eggplant and potatoes are inedible in their uncooked state and should never be eaten raw. So is the case with mushrooms – to be nutritionally viable mushrooms must be cooked, steamed or seared.
(more information in the book "Sugars That Heal"). All that said, cooking indeed destroys some vitamins but then again, the main healing properties of broccoli, tomatoes and for that matter mushrooms are in their active ingredients = indoles, lycopene and saccarides, respectively – which reach maximum biological value after cooking steaming or searing.
How is raw dairy proven to be safe? My partner and I argue over this - he milked cows as a child and adult. He think sthat there is a good reason for pateurization. We do not have any sources here in NM other than a lead to an organic farmer in PA that will ship his raw youghurt, milk and cheese on ice overnight...(also in CA I hear)
Confused about safety with the many germs that can come through without past. . My fiance says many got sick or died and old ways are not neccessarily better ways. Any thoughts or evidence to the contrary about saftey on this matter???
There are both good and bad pathogens present in milk depending on how it is treated. Pasturized milk kills everything and then starts to rot and decay. Raw milk acidifies and sours, but does not rot. Raw milk transforms into cheese or other products when it gets old, it doesn't 'go bad'.
I'd tell your husband to take a gander at the realmilk.org website and breeze over the history of milk in America. Their information is relevant and for the most part very accurate. I've given my children exclusively raw milks and cheeses for a good while now (since I found a source) and it has improved their and our health significantly.
Hope that helps!
Mrs. Yoder
I am a trained phsyiologist, and I think one major problem with modern dietary prescriptions (in the West) is a lack of attention to digestion/metabolism. Research I have personally helped with for the NIH suggests that cooking may actually maximize nutrient gain from food. It seems that many of the problems with metabolism generated by large amounts of fiber, toxins, etc., in food can be overcome with proper cooking. Also, the claims about enzymes and raw food seem misplaced, since virtually no protiens make it into a healthy body intact (only amino acids). I do not suggest more than small amounts of raw or fermented food to clients, and I generally focus on herbal/dietary suggestions that maximize digestion and metabolism. This does not mean merely replacing the material expression of these functions (enzymes, etc.), but actually using formulas that will enhance the bodies natural mechanisms. After all, even if raw food does have more nurients in it, if we cannot digest it, what's the use? Cooking seems to help faciltiate digestion well.
This is Sally Fallon, president of the Weston A. Price Foundation. I am confused about your reference to an article on our website advocating an all-raw diet--could you please supply the name of this article. Neither myself nor the Foundation has ever recommended an all-raw diet. We stress that many foods need to be properly prepared and note that most vegetables should be cooked, and grains should be cooked after soaking or sour leavening. Meats should be eaten both raw (after freezing for 14 days) and cooked. We do advocate the consumption of raw dairy products. Milk is unique in containing its own in-built system of enzymes that kill pathogens and enhance the immune system. These are largely destroyed by pasteurization. Sally Fallon
The website is linked right in the article.
http://www.westonaprice.org/nutritiongreats/howell.html
Thanks
This is information I didn't know.
The comments above are very useful as well.
Gisele
Offhand question regarding the need to 'cook' vegetables in order to obtain the most vitamins/minerals released from destroying the cellulose..
.. can this not be achieved via juicing the vegetables/fruits (breaks down the cellulose, yes?) to release all the nutrients harbored inside the cell walls? If so, wouldn't that make juicing (as regards to digestible raw veggies, NOT nightshades) the most effective way to gain the most form raw veggies/fruits?
Secondly, also a fan of eating raw meat. There are several fairly effective methods of killing off the bacteria present on the surfaces of most cut meats (not talking hamburger here), although for feasibility and palatability, most people will opt with their cooked meats instead ;).
Hope anyway can address the juicing vs. cooking issue, and perhaps provide a comparative nutritional analysis :)
~ Kas
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