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Purified Proteins

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Updated about 19 hours ago
Created November 21, 2010 at 4:39 PM

I know, "if it has a label don't eat it," but, I have found these cracker replacement Flackers. They have purified Soy protein. Wouldn't that simply be protein (the amino acids) without the lecithins and other "inflammatory" items?

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2399 · November 22, 2010 at 7:29 AM

Where the "X" be at ?

77732bf6bf2b8a360f523ef87c3b7523
6157 · November 22, 2010 at 4:14 AM

I think you are confusing lecithin and lectins.

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20787 · November 22, 2010 at 3:03 AM

Excessive heat destroys the peptides themselves, not just cleaves them.

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15976 · November 21, 2010 at 11:57 PM

possibly. what about the fact that its just a completely processed, denatured product. Its like a toy or something. In no way is that food, ie something that will nourish your body.

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24523 · November 21, 2010 at 11:52 PM

One correction: denaturing of proteins from heat is not an issue. Our digestive enzymes cleave proteins into peptides of varying lengths, allowing intestinal absorption of those peptides (or even single amino acids).

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1973 · November 21, 2010 at 9:58 PM

No boxes, no labels, seriously

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1634 · November 21, 2010 at 8:41 PM

You can delete the answer.

B124653b19ee9dd438710a38954ed4a3
1634 · November 21, 2010 at 5:45 PM

Where did you find reference to it being "purified soy protein"?

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2399 · November 21, 2010 at 5:24 PM

Well do we know what purified protein means ? Is it a measurable thing backed up with papers or just a marketing gimmick ?

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4 Answers

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4089 · November 21, 2010 at 6:56 PM

Would Grok have even recognized them as food? If "no" or "probably not" is the answer, there's your answer.

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1634 · November 21, 2010 at 6:08 PM

Flackers have "Vegetable Protein from Soybeans" which is not specific enough to tell it's contents. I didn't see any reference to "purified soy protein" in relation to their product.

But with that said, "purified soy protein" still has many of the same issues as unprocessed soy such as, but not limited to, phytoestrogens.

See previous questions for more details regarding soy.

To start you off, a quote from Eva in PaleoHacks: What???s so bad about soy?

Processing into soy protein isolate ameliorates some of these problems but not all. Plus the processing methods leach aluminum into the final product and the high heat denatures much of the proteins, thereby making them unusable to the human body. And the spray drying process creates a large percentage of nitrites which are believed to be carcinogens.


Remember it's just a little fake cracker. Don't stress if it's the random treat. The Japanese have survived, fairly healthily, with fermented soy for centuries.

But I'd go for some tastier substitutes: PaleoHacks: Substitute for crackers?. My choice is red bell pepper or a dried meat.

21fd060d0796fdb8a4a990441e08eae7
24523 · November 21, 2010 at 11:52 PM

One correction: denaturing of proteins from heat is not an issue. Our digestive enzymes cleave proteins into peptides of varying lengths, allowing intestinal absorption of those peptides (or even single amino acids).

62ed65f3596aa2f62fa1d58a0c09f8c3
20787 · November 22, 2010 at 3:03 AM

Excessive heat destroys the peptides themselves, not just cleaves them.

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7324 · November 21, 2010 at 5:26 PM

I believe the soy protein itself is inflammatory. I basically avoid soy as much as I can, with the exception of wheat free tamari.

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2399 · November 21, 2010 at 5:24 PM

Wrong answer. Ooops.

B124653b19ee9dd438710a38954ed4a3
1634 · November 21, 2010 at 8:41 PM

You can delete the answer.

84666a86108dee8d11cbbc85b6382083
2399 · November 22, 2010 at 7:29 AM

Where the "X" be at ?

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