mjo, sant ifs, men dom aminosyror i proteinet som används till det är inte essentiella så ja tänker mig att det är försumbart? :P
Då diskuterar vi ju något helt annat. Visst är det så. Det mesta av proteinet vi äter SKA bli energi. Men frågan var ju först huruvida glukoneogenes är katabolt eller anabolt och jag tolkar det som att det är katabolt utan att orka leta upp fakta nu.
Essentiella aminosyror stimulerar proteinsyntesen maximalt efter styrketräning. Kolhydrat behövs ej, inte heller insulin (det räcker med fastenivåer för att aminosyrorna skall utöva maximalt stimulerande effekt på proteinsyntesen).
Citat:
Carbohydrate alone has a stimulatory effect on net muscle protein balance following exercise, but the effect is minimal compared with the stimulation produced by amino acids: the ingestion of only 3 g of EAAs following exercise stimulated net muscle protein balance by as much as 35 g of carbohydrate (CHO) (13). Further, if the dose of EAAs was increased to 6 g, the response was double the response to a mixture of 3 g EAAs + 3 g NEAAs. At the same time, addition of 35 g of CHO to the 6 g of the mixture of EAAs and NEAAs had minimal effect, and the response to a mixture of 6 g EAAs + 35 g CHO was actually less than the anabolic effect of 6 g EAA alone
The concurrent ingestion of 50g carbohydrate with 25g of protein did not stimulate mixed MPS or inhibit MPB more than 25g of protein alone either at rest or after resistance exercise.
Interestingly, it was recently suggested by Rennie et al. that an increase in insulin levels above 10–15 µU/ml does not further enhance muscle protein synthesis and/or reduce protein degradation. Therefore, the present data as well as data from previous studies seem to confirm that insulin plays a merely permissive role in stimulating muscle protein anabolism. Therefore, the present findings imply that when ample protein is ingested during recovery from resistance-type exercise, carbohydrate coingestion is not warranted to maximize the protein synthetic response to resistance exercise