Originally posted by Patricia86
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Maizena hype
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Originally posted by robdegekste View PostWat gebeurd er dan? Lees overal dat een bak kwark voor het slapen gaan goed is ivm de langzame eitwitten.
Een beetje kwark met een flinke schep whey kan verder wel, maar moet wel goed in je schema passen en niet teveel zijn. Meest optimale is casseïne shake gemengd met whey. En wat amino's/BCAA's1e Masters Superbody YBF 2011!
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Originally posted by sf01 View Post
Wel maakt het je meteen weer anabool. En stop je dus na je training meteen met vetverbranden (want anders nog een tijdje door zal gaan.
Ok, thanks. Dan toch maar wat sneller naar huis rijden voor mijn maaltijdje en whey shake."Bodybuilding is a long term commitment and you won’t get the results you want over night. "
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Originally posted by Viranelly View PostWhey en Maizena maken je toch ook meteen weer anabool?
Stop je dan ook met het verbranden van vet?1e Masters Superbody YBF 2011!
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University Study
Shows Waxy Maize Starch Study Could Serve as Slow, Sustained Energy Source
Low Glycemic Carb Could Help Fuel Military Personnel, Endurance Athletes
Irvine, CA – July 30, 2009– Purdue University:
researchers may have found a new use for an old starch—waxy maize starch—to offer sustained energy delivery to military personnel and endurance athletes.
Waxy maize starch, called ‘waxy’ because of the appearance of the kernel under cross section, was brought from China to the US in the early 1900s. In the study, published in the current issue of Nutrition Research, waxy maize starch was compared to a mixture of maltodextrin and sugars, and to white bread. The study confirmed previous studies showing waxy maize starch to be slowly digested and absorbed, producing a much smaller increase in blood sugar and insulin.
“Waxy maize starch appears to provide slow, sustained delivery of energy to the body,” offered sports nutrition researcher Chad Kerksick, PhD of the University of Oklahoma Department of Health and Exercise Science. “These new findings confirm what we have seen in our study comparing waxy maize starch to maltodextrin.”
In the Purdue study twelve lean and fit young men and women received a 50 gram dose of carbohydrates supplied by white bread, waxy maize starch, or a maltodextrin and sucrose mixture (approximately 3:1 ratio), on three different days. Blood glucose and blood insulin responses to the carbohydrate sources were followed for four hours, along with measurements of calorie burning rate and subjective measurements of appetite and fullness.
The study performed an assessment of the glycemic index, a measure of the excursion of blood sugar relative to a “control” carbohydrate, white bread, and a fast digesting and absorbing carbohydrate source, maltodextrin plus sugar, at 2 and 4 hours after ingestion. At 2 hours, maltodextrin plus sugar achieved a glycemic index of 163, waxy maize starch had a value of 63, and white bread 71. The blood insulin response, influenced by how fast the carbohydrate was digested and absorbed, was 3.5 times higher, and substantially faster in the first hour with maltodextrin plus sugar, and 1.6 times higher with white bread, relative to waxy maize starch. None of the carbohydrate treatments differed in their influence on hunger, appetite, or calories burned.
“This study with waxy maize starch directly refutes what numerous sport nutrition product companies are claiming—that waxy maize starch is fast absorbing and raises insulin sharply,” described Susan Kleiner, PhD, RD, director of High Performance Nutrition, LLC in the Seattle area, and the author of the best selling book Power Eating, Third Edition. “It actually may be best suited for long endurance exercise or for persons who experience blood sugar fluctuations, as blood sugar did not drop below the starting point 4 hours after waxy maize starch but did with maltodextrin plus sugars,” added Dr. Kleiner.
“Although an exercise endurance test was not performed, we and other researchers have shown that at least over a 2 hour period, waxy maize starch does not enhance endurance performance over maltodextrin,” added Dr. Kerksick. “What would be interesting to explore is whether waxy maize starch would shine in ultra-endurance training or competition, in events lasting 4 hours or more. This may be why the military had an interest.”
This study was funded by the US Army, Natick Soldier Research Development & Engineering Center, Combat Feeding Program in Natick, MA.
Nutr Res. 2009 Jun;29(6):383-90.
Consumption of the slow-digesting waxy maize starch leads to blunted plasma glucose and insulin response but does not influence energy expenditure or appetite in humans.
Sands AL, Leidy HJ, Hamaker BR, Maguire P, Campbell WW.
Department of Foods and Nutrition, Purdue University, West Lafayette, IN 47906, USA.
Abstract
Limited research in humans suggests that slowly digestible starch may blunt the postprandial increase and subsequent decline of plasma glucose and insulin concentrations, leading to prolonged energy availability and satiety, compared to more rapidly digestible starch. This study examined the postprandial metabolic and appetitive responses of waxy maize starch (WM), a slow-digestible starch. It was hypothesized that the waxy maize treatment would result in a blunted and more sustained glucose and insulin response, as well as energy expenditure and appetitive responses. Twelve subjects (6 men and 6 women) (age, 23 +/- 1 years; body mass index, 22.2 +/- 0.7 kg/m(2); insulin sensitivity [homeostatic model assessment], 16% +/- 2%; physical activity, 556 +/- 120 min/wk) consumed, on separate days, 50 g of available carbohydrate as WM, a maltodextrin-sucrose mixture (MS), or white bread (control). Postprandial plasma glucose and insulin, energy expenditure, and appetite (hunger, fullness, desire to eat) were measured over 4 hours. Compared to control, the 4-hour glucose response was not different for MS and WM, and the 4-hour insulin response was higher for MS (P < .005) and lower for WM (P < .05). Compared to MS, WM led to lower 4-hour glucose and insulin responses (P < .001). These differences were driven by blunted glucose and insulin responses during the first hour for WM. Postprandial energy expenditure and appetite were not different among treatments. These results support that WM provides sustained glucose availability in young, insulin-sensitive adults.
Hoop dat jullie nu eens begrijpen dat waxy maize starch geen ruk doet na de training.
Tis langzaam en zorgt niet voor een insuline-piek.
Je bent enorm dom als je naar de praatjes van supplementen-groothandels gaat zitten luisteren. Die willen maar 1 ding, hun produkt aan je slijten.
Glucose is veel sneller dan starch. Het probleem van starch ligt hem niet aan de opname snelheid, het probleem is de afbraak hiervan naar een in opneembare staat van waxy maize starch.
Glucose hoeft niet afgebroken te worden, dit is al meteen het eindprodukt in het lichaam. Maw dient het slechts opgenomen te worden en dat gaat ook zeer snel.
Het geposte stuk is een studie en onderzoek in 2009.
Het toont aan dat starch een langzame koolhydraat is.
Wil iemand het tegendeel bewijzen zou ik graag officiele stukken op tafel willen hebben en geen stomme praatjes of achterlijke artikelen van supplementen-verkopers.
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Originally posted by robdegekste View PostMaar het doel van dit product is toch droger lijken en dat lukt lees ik hier, wat is dan het probleem?
Dat wordt veronderstelt te kunnen krijgen met waxy maize starch. Tevens wordt beweert dat het sneller werkt dan glucose.
Dit is allemaal onzin.
Aangezien men slechts snelle suikers gebruikt na de training wil je natuurlijk die zijn werk het beste uitvoert.
Nog even een link mbt de studie:
Consumption of the slow-digesting waxy maize starc... [Nutr Res. 2009] - PubMed result
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Nu ben ik wel benieuwd geworden naar wat nou waar is en de verschillen enzo...thanks for that Snuff..
Ik heb een glucosemeter besteld, dus ik ga maandag en dinsdag m'n bloedwaardes testen gedurende 1,5 uur na het trainen om te kijken of er een verschil is in bloedwaardes bij gebruik van zetmeel danwel dextrose maandag neem ik dan een zetmeelshake en dinsdag een dextroseshake.....resultaat volgt.........SQ 1x250 / 3x230, DL 1x265, BP 1x170........There is no failure except in no longer trying
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