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Tue Apr 03, 2007 11:53 pm  |
Hi
I wanted to try soy isoflavones, but I've found a really nice DIY supplier in the UK (thanks to Lin  ) and they have what they call 'soy protein' and I'm wondering if it's the same or similar.
I'd email them, but they seem to only have set up in the UK recently and took ages to answer my previous simple question. My basket's loaded so any help appreciated.
This is their description
"Protein is an important basic ingredient around which functional skin and hair care products can be built. Ideal for sensitive skin types; the Soya Protein is an excellent choice for protecting against oxidative stress, skin imbalance and premature ageing. It is vital in epidermal healing.
The proteins derived from Soy have a tightening effect on skin. The result that soybean protein leaves on the skin is that of a fine film that gives a silky luster and satiny finish.
As it is a plant derived, Soya Protein is a safer alternative to animal derived proteins. Thus the recommended usage can safely vary from 1% through to 10%."
http://newdirectionsuk.com/shop/products/index.php?id=5024 |
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Wed Apr 04, 2007 1:55 am |
| I think the proteins may contain small quantities of isoflavones but they are not the same. I imagine the soy protein to be a plant source of 'collagen' type ingredient? By the way is your supplier called Aromantic? |
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Wed Apr 04, 2007 10:04 am |
Thanks Miranets
The supplier's as the link above
www.newdirectionsuk.com
but maybe it was aromantics before because some of its websites combine the name with that.
Anyway, now I've got the paper brochure I can see they've got loads of things I'd like to get my hands on. Unfortunately their online categories are a little weird. But it all turns up really well packaged and great stuff. |
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Wed Apr 04, 2007 12:12 pm |
| I'm glad you're happy with ND, Molly. I like their stuff as well. |
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Wed Apr 04, 2007 1:04 pm |
| I've taken biochemistry and organic chemistry, so I feel I can chirp in on this. isoflavones and proteins are two different classes of molecules that can be isolated from soy. Isoflavones are joined ring structures with phenyl groups. Plants create these isoflavones for antiviral and antimicrobial reasons, and to capture nitrogen. In humans however, they act as phytoestrogens and antioxidants. Phytoestrogens are one of those signals that act on receptors that we were talking about in another thread, and basically they mimic the hormone estrogen. Proteins are strings of amino acids strung together. Amino acids are nitrogen contain compounds. Cellulose, the structural component of plants, is a carbohydrate, which can be thought of as strings of carbon hydrated with water. There is nothing special about soy derived protien as they claim. It won't supply you collagen in that manner. Like any protein, it will first be broken down biochemically for its building blocks to create the substances your body needs, including proteins, hormones. I think a good source of isoflavones would be tofu or soy milk, not "soy protein". |
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Wed Apr 04, 2007 1:53 pm |
| A topical application of tofu or soymilk ??? |
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Wed Apr 04, 2007 1:59 pm |
| I think this milk/tofu is for dietary sources of isoflavones, if you want a form that can be absorbed by the skin it will have to be standardised from a plant source, and soy is not always the one with highest concentrations - many companies can get 98% isoflavone extracts from knotweed. |
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Wed Apr 04, 2007 2:00 pm |
| No I wasn't referring to topical application. Isoflavones are usually consumed. Anyway, my point was that protein and isoflavones are two different classes of molecule. |
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