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Re: man-manipulated
 
wombat Views: 9,053
Published: 11 years ago
 
This is a reply to # 1,698,285

Re: man-manipulated


re: man-made. Kinda veering off here, your man-made reference hit the nail on the head, IMO.

Soybeans need to be cooked for a good long time to inactivate the bad stuff...and at this point I certainly don't "trust" that the purveyors of soy "foods" cook the beans properly. This is the good ole USA, where there is nothing that we can't change from it's natural form. TVP, anyone? Soy burger? soy chick'n bits? If we care to go find some organically grown soybeans and process them properly, as in either cooking for a long time, or fermenting(do we really have the patience for THAT?), then, we may have a healthful food... as long as we eat a very small portion per day, as Asians purportedly do.

And, while we're at it, lets make sure that we eat a lot of vegetables, sea vegetables, fish, etc and perhaps we'll gain some of the health benefits that are attributed to soy consumption by those that want to sell us soy hot dogs washed down with soy milk.

How many soy "food"s contain the whole, properly prepared bean? Not many I'd bet...

lol, I just googled novasoy...it's an ADM product. That's not surprising...

anyway, here ya go. As usual, the "parts" isolated from the whole are problematic...

 

http://carcin.oxfordjournals.org/content/25/9/1649.short

Soy processing influences growth of estrogen-dependent breast cancer tumors

  1. Clinton D. Allred1
  2. Kimberly F. Allred1
  3. Young H. Ju1
  4. Tracy S. Goeppinger1,
  5. Daniel R. Doerge2 and 
  6. William G. Helferich1,3

+Author Affiliations

  1. 1Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL 61801, USA and 2National Center for Toxicological Research, Jefferson, AR 72079, USA
  1. 3To whom correspondence should be addressed Email: helferic@uiuc.edu
  • Received January 9, 2004.
  • Accepted April 23, 2004.
  • Revision received April 22, 2004.

Abstract

Soy-based products consumed in Asian countries are minimally processed whereas in the USA many of the soy foods and soy ingredients are highly processed. Soy foods contain complex mixtures of bioactive compounds, which may interact with one another. The objective of this study was to evaluate the ability of various soy products containing genistin, the glycoside form of genistein, to affect growth of MCF-7 cells transplanted into ovariectomized athymic mice. Products investigated included soy flour, two crude extracts of soy (soy molasses and Novasoy®), a mixture of isoflavones and genistin in pure form. Each of the soy flour-processed products was added to the diet to provide equivalent amounts of genistein aglycone equivalents (750 p.p.m.). Tumors in the negative control animals regressed throughout the study while the tumors in the soy flour-fed animals remained basically the same size (neither grew nor regressed). In animals consuming soy molasses, Novasoy®, mixed isoflavones or genistin alone, tumor growth was stimulated when compared with animals consuming a control diet devoid of soy. These same dietary treatments resulted in increased cellular proliferation. Changes in mRNA expression of gene targets (estrogen responsiveness, cell cycle progression, apoptosis and aromatase activity) in tumors induced by the different diets were evaluated. The relative expression of pS2, progesterone receptor and cyclin D1 was increased in animals consuming the Novasoy®, mixed isoflavones and genistin. Bcl2 mRNA expression was low in most of the dietary treatment groups compared with positive (estradiol implant) controls. Aromatase expression was not affected in any of the treatment groups. The degree of soy flour processing affects the estrogenicity of products containing a constant amount of genistein. Collectively, these findings suggest that for postmenopausal women with estrogen-dependent breast cancer, the consumption of foods containing soy flour is more advisable than consuming isoflavones in more purified forms.

 

 

 
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