Go Back   Bodybuilding Forum - Bodybuilding.net > Bodybuilding Forum > Nutrition

Protein Myths

Nutrition discussion on Protein Myths, within the Bodybuilding Forum; Originally Posted by TAURUS http://www.leehayward.com/protein_part1.htm can you find any research to back up this diet? even reading that article he ...


Reply
 
LinkBack Thread Tools Display Modes
Old 06-05-2005, 08:08 PM   #11
sdf42450
Rank: Member
Experience: 7-10 Years
 
sdf42450's Avatar
 
Join Date: Mar 2005
Posts: 425

Default

Quote:
Originally Posted by TAURUS
can you find any research to back up this diet? even reading that article he admits that its based on pure speculation with no proof.
sdf42450 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 08:18 PM   #12
sdf42450
Rank: Member
Experience: 7-10 Years
 
sdf42450's Avatar
 
Join Date: Mar 2005
Posts: 425

Default

Quote:
Originally Posted by TAURUS
WHY are you busting my balls NOW. Whats the real issue here? Youre above me in the ranks of intellect, so why are you rubbing salt into my still gaping wounds from my go around with 0311? If its an alliance, why not expose it now? Im tired.
i am just interested in this topic and wanted to try to develope it further in hopes of providing some good debate/information for others who may stumble upon this thread.
sdf42450 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 09:24 PM   #13
Darkhorse
Rank: Light Heavyweight
Experience: 7-10 Years
 
Join Date: Mar 2005
Location: CA
Posts: 4,174
Country:

Gender:
Send a message via Yahoo to Darkhorse
Default

Still can't admit when he's wrong...still no proof??

Myth #2: You can only assimilate 30 grams of protein at one sitting.
Fact: The body has the ability to digest and assimilate much more than 30 grams of protein from a single meal.
Speaking of high intakes of protein, people have been perpetuating the myth that you can only assimilate ~30 grams of protein at a time, making protein meals any greater than a 6 oz. chicken breast a waste. This is anything but true. For example, the digestibility of meat (i.e. beef, poultry, pork and fish) is about 97% efficient. If you eat 25 grams of beef, you will absorb into the blood stream 97% of the protein in that piece of meat. If, on the other hand, you eat a 10 oz steak containing about 60 grams of protein, you will again digest and absorb 97% of the protein. If you could only assimilate 30 grams of protein at a time, why would researchers be using in excess of 40 grams of protein to stimulate muscle growth?1
Critics of high protein intakes may try to point out that increased protein intake only leads to increased protein oxidation. This is true, nevertheless, some researchers speculate that this increase in protein oxidation following high protein intakes may initiate something they call the "anabolic drive".13 The anabolic drive is characterized by hyperaminoacidemia, an increase in both protein synthesis and breakdown with an overall positive nitrogen balance. In animals, there is a correspondent increase in anabolic hormones such as IGF-1 and GH. Though this response is difficult to identify in humans, an increase in lean tissue accretion does occur with exaggerated protein intakes.14,15
The take home message is that, if you are going to maximize muscle growth you have to minimize muscle loss, and maximize protein synthesis. Research clearly shows this is accomplished with heavy training, adequate calories, and very importantly high protein consumption. This means that meals containing more than 30 grams of protein will be the norm. Not to worry, all that protein will certainly be used effectively by the body.

References: (ie. scientific data)
1. Tipton K., Ferrando A., Phillips S., Doyle, JR D., Wolfe R. Post exercise net protein synthesis in human muscle from orally administered amino acids. Am. J. Physiol. 276: E628-E634, 1999
2. Bennet, W. M., A. A. Connacher, C. M. Scrimgeour, and M. J. Rennie. The effect of amino-acid infusion on leg protein turnover assessed by L-[15N]phenylalanine and L-[1-13C]leucine exchange. Eur. J. Clin. Invest. 20: 37-46, 1989
3. Castellino, P., L. Luzi, D. C. Simonson, M. Haymond, and R. A. DeFronzo. Effect of insulin and plasma amino acid concentrations on leucine metabolism in man. J. Clin. Invest. 80: 1784-1793, 1987
4. Fryburg, D. A., L. A. Jahn, S. A. Hill, D. M. Oliveras, and E. J. Barrett. Insulin and insulin-like growth factor-I enhance human skeletal muscle protein anabolism during hyperaminoacidemia by different mechanisms. J. Clin. Invest. 96: 1722-1729, 1995
5. McNulty, P. H., L. H. Young, and E. J. Barrett. Response of rat heart and skeletal muscle protein in vivo to insulin and amino acid infusion. Am. J. Physiol. 264 (Endocrinol. Metab. 27): E958-E965, 1993
6. Mosoni, L., M. Houlier, P. P. Mirand, G. Bayle, and J. Grizard. Effect of amino acids alone or with insulin on muscle and liver protein synthesis in adult and old rats. Am. J. Physiol. 264 (Endocrinol. Metab. 27): E614-E620, 1993
7. Newman, E., M. J. Heslin, R. F. Wolf, P. T. W. Pisters, and M. F. Brennan. The effect of systemic hyperinsulinemia with concomitant infusion of amino acids on skeletal muscle protein turnover in the human forearm. Metabolism 43: 70-78, 1994
8. Watt, P. W., M. E. Corbett, and M. J. Rennie. Stimulation of protein synthesis in pig skeletal muscle by infusion of amino acids during constant insulin availability. Am. J. Physiol. 263 (Endocrinol. Metab. 26): E453-E460, 1992
9. Newsholme, A.E., Parry-Billings M. Properties of glutamine release from muscle and its importance for the immune system. JPEN. 14 (4) supplement S63-67
10. Oddoye EA., Margen S. Nitrogen balance studies in humans: long-term effect of high nitrogen intake on nitrogen accretion. J Nutr 109 (3): 363-77
11. Boirie Y, Dangin M, Gachon P, Vasson M-P, Maubois J-L, and Beaufrère B. Slow and fast dietary proteins differently modulate postprandial protein accretion (amino acid turnover / postprandial protein anabolism / milk protein / stable isotopes) Proc. Natl. Acad. Sci. USA Vol. 94, pp. 14930-14935, December 1997
12. Sarwar G. The Protein Digestibility-Corrected Amino Acid Score method overestimates quality of proteins containing antinutritional factors and of poorly digestible proteins supplemented with limiting amino acids in rats. J. Nutr. 127: 758-764, 1997
13. Millward, D.J. Metabolic demands for amino acids and the human dietary requirement: Millward and Rivers (1988) revisited. J. Nutr. 128: 2563S-2576S, 1998
14. Fern EB, Bielinski RN, Schutz Y. Effects of exaggerated amino acid and protein supply in man. Experientia 1991 Feb 15;47(2):168-72
15. Dragan, GI., Vasiliu A., Georgescu E. Effect of increased supply of protein on elite weight-lifters. In:Milk Protein T.E. Galesloot and B.J. Tinbergen (Eds.). Wageningen The Netherlands: Pudoc, 1985, pp. 99-103
Darkhorse is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 09:32 PM   #14
sdf42450
Rank: Member
Experience: 7-10 Years
 
sdf42450's Avatar
 
Join Date: Mar 2005
Posts: 425

Default

Quote:
Originally Posted by TAURUS
KILLER - your game is weaker than mine. LIKE SD pointed out to me,in my thread, - 'thats one single reference'! Provide MORE!
lol, he listed 15:
References: (ie. scientific data)
1. Tipton K., Ferrando A., Phillips S., Doyle, JR D., Wolfe R. Post exercise net protein synthesis in human muscle from orally administered amino acids. Am. J. Physiol. 276: E628-E634, 1999
2. Bennet, W. M., A. A. Connacher, C. M. Scrimgeour, and M. J. Rennie. The effect of amino-acid infusion on leg protein turnover assessed by L-[15N]phenylalanine and L-[1-13C]leucine exchange. Eur. J. Clin. Invest. 20: 37-46, 1989
3. Castellino, P., L. Luzi, D. C. Simonson, M. Haymond, and R. A. DeFronzo. Effect of insulin and plasma amino acid concentrations on leucine metabolism in man. J. Clin. Invest. 80: 1784-1793, 1987
4. Fryburg, D. A., L. A. Jahn, S. A. Hill, D. M. Oliveras, and E. J. Barrett. Insulin and insulin-like growth factor-I enhance human skeletal muscle protein anabolism during hyperaminoacidemia by different mechanisms. J. Clin. Invest. 96: 1722-1729, 1995
5. McNulty, P. H., L. H. Young, and E. J. Barrett. Response of rat heart and skeletal muscle protein in vivo to insulin and amino acid infusion. Am. J. Physiol. 264 (Endocrinol. Metab. 27): E958-E965, 1993
6. Mosoni, L., M. Houlier, P. P. Mirand, G. Bayle, and J. Grizard. Effect of amino acids alone or with insulin on muscle and liver protein synthesis in adult and old rats. Am. J. Physiol. 264 (Endocrinol. Metab. 27): E614-E620, 1993
7. Newman, E., M. J. Heslin, R. F. Wolf, P. T. W. Pisters, and M. F. Brennan. The effect of systemic hyperinsulinemia with concomitant infusion of amino acids on skeletal muscle protein turnover in the human forearm. Metabolism 43: 70-78, 1994
8. Watt, P. W., M. E. Corbett, and M. J. Rennie. Stimulation of protein synthesis in pig skeletal muscle by infusion of amino acids during constant insulin availability. Am. J. Physiol. 263 (Endocrinol. Metab. 26): E453-E460, 1992
9. Newsholme, A.E., Parry-Billings M. Properties of glutamine release from muscle and its importance for the immune system. JPEN. 14 (4) supplement S63-67
10. Oddoye EA., Margen S. Nitrogen balance studies in humans: long-term effect of high nitrogen intake on nitrogen accretion. J Nutr 109 (3): 363-77
11. Boirie Y, Dangin M, Gachon P, Vasson M-P, Maubois J-L, and Beaufrère B. Slow and fast dietary proteins differently modulate postprandial protein accretion (amino acid turnover / postprandial protein anabolism / milk protein / stable isotopes) Proc. Natl. Acad. Sci. USA Vol. 94, pp. 14930-14935, December 1997
12. Sarwar G. The Protein Digestibility-Corrected Amino Acid Score method overestimates quality of proteins containing antinutritional factors and of poorly digestible proteins supplemented with limiting amino acids in rats. J. Nutr. 127: 758-764, 1997
13. Millward, D.J. Metabolic demands for amino acids and the human dietary requirement: Millward and Rivers (1988) revisited. J. Nutr. 128: 2563S-2576S, 1998
14. Fern EB, Bielinski RN, Schutz Y. Effects of exaggerated amino acid and protein supply in man. Experientia 1991 Feb 15;47(2):168-72
15. Dragan, GI., Vasiliu A., Georgescu E. Effect of increased supply of protein on elite weight-lifters. In:Milk Protein T.E. Galesloot and B.J. Tinbergen (Eds.). Wageningen The Netherlands: Pudoc, 1985, pp. 99-103
sdf42450 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 10:04 PM   #15
Darkhorse
Rank: Light Heavyweight
Experience: 7-10 Years
 
Join Date: Mar 2005
Location: CA
Posts: 4,174
Country:

Gender:
Send a message via Yahoo to Darkhorse
Default

Retaliation, in the face of ignorance, serves no purpose

Your own words. I never called you names like you did me....Who's the better man now? Your pride is hurt because other more knowledgable people are starting to read through your lies and agree with what I posted. I wouldn't be surprised if you were a 15 year old kid hiding behind the computer because you sre do sound like one. Nice job calling someone who served in Iraq a killer...Who's the nazi hippie now?

You have the burden of proof...Am I really a killer??Are you posting opinions still without anything to back them up...

Oh and by the way...Zing :cool:
Darkhorse is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 10:11 PM   #16
WayneandZeus
Rank: New Member
 
Join Date: Jun 2005
Posts: 2

Default

Why dont BOTH of you SHUT THE FUCK UP!
WayneandZeus is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 10:21 PM   #17
Darkhorse
Rank: Light Heavyweight
Experience: 7-10 Years
 
Join Date: Mar 2005
Location: CA
Posts: 4,174
Country:

Gender:
Send a message via Yahoo to Darkhorse
Default

You're man enough to dish it out.

Still no proof->zing :(

Last edited by Darkhorse; 06-06-2005 at 12:17 AM..
Darkhorse is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 10:43 PM   #18
sdf42450
Rank: Member
Experience: 7-10 Years
 
sdf42450's Avatar
 
Join Date: Mar 2005
Posts: 425

Default

you guys are too much
sdf42450 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-05-2005, 11:05 PM   #19
Darkhorse
Rank: Light Heavyweight
Experience: 7-10 Years
 
Join Date: Mar 2005
Location: CA
Posts: 4,174
Country:

Gender:
Send a message via Yahoo to Darkhorse
Default

Quote:
Originally Posted by TAURUS
MENA, MA, MAHAD. IT really didnt have to come to this...

OH - Are you still up for that position on my staff! ;)
Silly TAURUS-Dicks are for chicks :eek:

Last edited by Darkhorse; 06-06-2005 at 12:16 AM..
Darkhorse is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Old 06-06-2005, 06:56 AM   #20
hrdgain81
Rank: Light Heavyweight
Experience: 5-7 Years
 
hrdgain81's Avatar
 
Join Date: Mar 2005
Posts: 3,715

Default

you have got to be kidding ... how does debating the bodies ability to utilize protien turn in to this kind of b.s.

Lets put an end to the myth right now ... My body can utilize between 16 and 20g of protien at any empty stomach time. I know this because every morning for the last two months i would take in 36g of designer whey first thing. then within an hour I am shitting my brains out. I've since dropped it to 16g first thing, and now i can go almost till lunch before hitting the head.

you can write all the papers you want, do all the reseach in the world, but I'll stick to my body reactions, and continue to utilize a suedo scientific method when it comes to my training and nutrition.

and for future debates, lets try not to take it too serious guys, its a bodybuilding forum, not the U.N. ... nuff said.

hrdgain81's Sig:I don't do this for my family, my friends, women, accolades, pride, or ego. I do it for me and no one else, its just part of who I am.
hrdgain81 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Share on Facebook
Reply With Quote
Reply

  Bodybuilding Forum - Bodybuilding.net > Bodybuilding Forum > Nutrition


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes



All times are GMT -8. The time now is 10:03 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.