Re: Don't Overdo the Protein, Ladies ???

[Guest guest]

--- In , " Rodney " <perspect1111@y...>

wrote:

> http://snipurl.com/7e10

>

> Rodney.

They fed mice 25% of calories from protein. Mice are not meat eaters.

To get to 25% protein, they would have had to feed them something

unusual - since grains are usually 10% protein. I'm suspecting they

used soy protein, which would have a phytoestrogen affect. I would

want to read the details on the experimental design on this one

before I paid any attention to it. I have a hard time imagining that

25% protein in a human woman would be a problem. Millions of women

eat this much. For an 1800 kcal/day woman this is only 112g/day of

protein - something you could get from a couple of large glasses of

milk, a piece of cheese, 6 oz of chicken and 4 oz of fish!

[Guest guest]

Well I don't know what they fed them. But quite a few vegetables

contains 20% or more of their calories as protein. According to

Bowes & Church's, over 50% of the calories in spinach are from

protein. So I wouldn't immediately assume they must have fed the

mice soybeans.

Anyway, if anyone needs to pursue the issue further the source is

noted in the article.

Rodney.

--- In , " maxwell_mom " <mrobinso@m...>

wrote:

> They fed mice 25% of calories from protein. Mice are not meat

eaters.

> To get to 25% protein, they would have had to feed them something

> unusual - since grains are usually 10% protein. I'm suspecting they

> used soy protein, which would have a phytoestrogen affect.

[Guest guest]

I don't disagree with your post, because I see my wife needs more pro than I. However, I will point out that rats/mice eat anything. Perhaps they live longer in labs because some folks think they're vegetarians so they choose a grain diet. If you want to bait a trap, you'll need cheese, or bacon.

The women's data point to lower kcals, so it's logical they need a higher percentage of protein, but Page A-20 of Modern Nutrition,1999, shows 63 gms for men, age 25-50, wt 174; women 50 gms, 25-50, wt 138. Those are nearly the same req't per pound (0.362). The MIT study concluded 0.75 gm/kg (.34 /lb). But when I looked at the lysine value of 27.3 +/- 17.6, I saw a large variation. That's 9.7 to 44.9 (mg/kg/day).

I've gone from 56gms Pro per day (for 3 yrs) to 100 gms (6 weeks), and I'm losing weight on 1800 kcals. It comes from increased heat, because now I am never cold. I infer a higher "metabolism", if you will. When I reach my goal for this year, I'll switch back to 56gms.

I guess my point is humans can eat a varied level of protein, and it seems to vary a lot between individuals.

Regards.

----- Original Message -----

From: maxwell_mom

Sent: Monday, June 28, 2004 7:39 PM

Subject: [ ] Re: Don't Overdo the Protein, Ladies ???

> http://snipurl.com/7e10> > Rodney.They fed mice 25% of calories from protein. Mice are not meat eaters. To get to 25% protein, they would have had to feed them something unusual - since grains are usually 10% protein. I'm suspecting they used soy protein, which would have a phytoestrogen affect. I would want to read the details on the experimental design on this one before I paid any attention to it. I have a hard time imagining that 25% protein in a human woman would be a problem. Millions of women eat this much. For an 1800 kcal/day woman this is only 112g/day of protein - something you could get from a couple of large glasses of milk, a piece of cheese, 6 oz of chicken and 4 oz of fish!

[Guest guest]

We have had posts that identify the rat chow, and it looked like a balanced food that you'd expect to get from purina.

For rhesus it was:

If I did it right, it looks like 55% C/24% P/21% F. I didn't count the nondigestible cellulose.If I scale it to 1800 kcals, it would be 108 gms Protein.

I can't get to the site right now, but I recall it contained a little soy.

Regards.

----- Original Message -----

From: Rodney

Sent: Monday, June 28, 2004 8:20 PM

Subject: [ ] Re: Don't Overdo the Protein, Ladies ???

Well I don't know what they fed them. But quite a few vegetables contains 20% or more of their calories as protein. According to Bowes & Church's, over 50% of the calories in spinach are from protein. So I wouldn't immediately assume they must have fed the mice soybeans.Anyway, if anyone needs to pursue the issue further the source is noted in the article.Rodney.> They fed mice 25% of calories from protein. Mice are not meat eaters. > To get to 25% protein, they would have had to feed them something > unusual - since grains are usually 10% protein. I'm suspecting they > used soy protein, which would have a phytoestrogen affect.