nedelja, 23. september 2007

PROTEINI, PROTEINI 2

BELJAKOVINE


SPLOŠNO

Za vsakega športnika je pomembno, da ima v svoji prehrani več proteinov kot ljudje ki niso fizično aktivni. Beljakovine so temelj dobre regeneracije in rasti mišic. Dodajanje proteinov je priporočljivo skoraj za vsakega športnika! Športniki, ki mislijo, da ne potrebujejo proteinov (dodatkov) v svoji prehrani (ker bodo takoj pridobili na mišični masi...) se motijo! Dodatnih 20-40g proteinov dnevno ne vpliva na takojšno pridobitev mišične mase, zelo pa pomaga pri regeneraciji mišic. Na pridobitev mišične mase ne vplivajo samo beljakovine, so pa zelo pomembni. Na pridobitev mišične mase vplivajo še treningi, organizem posameznika, osnovna prehrana... Bistvena je kombinacija vsega. Zato je za vsakega športnika priporočljivo zaužiti vsaj obrok proteinov (najbolje z ogljikovimi hidrati, ki stimulirajo inzulin in pomagajo pri obnovitvi glikogena) po treningu, ko se potreba po aminokislinah najbolj poveča - takrat je obrok proteinov za regeneracijo mišic zelo pomemben. Namesto obroka proteinov se lahko vzame tudi aminokisline ali gainer.


Pomembno je tudi, da dobite dovolj proteinov že iz osnovne prehrane (piščanec, ribe, beljaki, skuta, soja..). Naj proteinski preparati ne bodo edini vir proteinov!

Če vas zanima kakšne so vaše potrebe po beljakovinah, OH in maščobah, glede na vaš cilj, na primer, če hočete pridobiti mišično maso, ohraniti mišično maso, ohraniti maščobo... si preberite informacije o osnovni prehrani, kjer si boste lahko izračunali vaše energetske potrebe.

protein_shake

Ogledate si lahko tudi tabelo hranilnih vrednosti posameznih živil, s katero boste lažje sestavili vaš dnevni jedilnik.



BELJAKOVINE IN INZULIN


Zavedati se moramo, da telo med treningom porabi veliko zalogo goriva: amonokisline, glikogen, glukozo in še druge snovi. V času do ene ure po treningu je telo sposobno sprejeti veliko snovi. Delovanje "super-anabolnega, glavnega hormona za regeneracijo INZULINA" je takrat lahko najbolj intenzivno (če ga stimuliramo). To pa omogoča mišicam, da sprejmejo veliko snovi, ki so ključne za regeneracijo.
Torej: ogljikovi hidrati (nizko in visoko glikemični) po treningu stimulirajo delovanje inzulina. Če jih zaužijete v kombinaciji s beljakovine jih bo telo s pomočjo inzulina lahko sprejelo več. Če dodate še kreatin, glutamin in še kaj drugega... Vse bo imelo večji učinek.



POTREBE PO BELJAKOVINAH

Potrebe po beljakovinah so največje pri bodybilderjih, dvigovalcih uteži, metalcih krogle, diska...Po nekaterih virih je za maksimalno mišično rast potrebno zaužiti 2,5g - 3g proteinov na kilogram telesne teže. Za športnike, kjer prevladuje vzdržljivost pa je potrebno zaužiti okoli 1,2 - 1,4g proteinov na kilogram telesne teže. Obstaja veliko tabel s podatki o potrebah po beljakovinah, vendar se mnoge razlikujejo. Mi smo izbrali naslednjo tabelo, ki kaže koliko beljakovin na kilogram telesne teže naj bi zaužil posameznik glede na vrsto športa:


VRSTA ŠPORTA

PRIPOROČEN DNEVNI VNOS

Rekreativni športi

0,8 - 1,0 g/kg/dan

Vzdržljivostni športi

1,2 - 1,4 g/kg/dan

Športi moči in hitrosti

1,4 - 2,0 g/kg/dan

Fitnes, bodybuilding

2,0 - 3,0 g/kg/dan



VRSTE PROTEINOV IN NJIHOVE PREDNOSTI


Poznamo različne vire proteinov. Vsak ima svoje prednosti, zato je pomembno, da jih uporabljamo v pravem času in tako izkoristimo vse njihove prednosti. Naj že takoj povemo, da je najučinkovitejši proteinski preparat tisti, ki vsebuje različne vire proteinov (kvalitetne vire!). Še bolje je, da preparat zagotavlja tiste aminokisline pa katerih imamo največjo potrebo (Specialized protein for Dieting in Specialized protein for Lean Mass)



SIROTKINE BELJAKOVINE (WHEY)

So najbolj razširjeni proteinski preparati. Imajo zelo kvalitetno aminokislinsko sestavo, veliko BCAA in glutamina. Vsebujejo veliko frakcij (glicomacropeptides, lactoferrin, imunoglobelins), ki koristijo zdravju in krepijo imunski sistem. Njihova bistvena lastnost je, da so hitro prebavljivi. Ob zaužitju telesu nudijo bliskovit in visok nivo aminokislin, ki so nujno potrebne za rast in obnovo mišic. Zato jih je najbolj primerno zaužiti po treningu, ko se potreba po aminokislinah najbolj poveča.


Najbolj razširjen je koncentrat, ponavadi je okoli 70%. Bolj kvalitetna sta izolat in hidrolizat. Izolat je v primerjavi z koncentratom še lažje prebavljiv, bolj kvaliteten, bolj čist (manj OH in maščob), omogoča boljšo sintezo proteinov. Seveda je tudi dražji. Hidrolizat je že delno prebavljena sirotka, iz večjih verig proteinov na manjše verige in peptide, ki omogočajo še lažjo in hitrejšo prebavljivost in izkoriščenost. Hidrolizat je izredno kakovosten. Med preparati ni tako pogost, ponavadi je v obliki aminokislinskih tablet. Idealen preparat iz sirotke naj bi vseboval vse tri: Hidrolizat, izolat in koncentrat.



MLEČNE BELJAKOVINE (KAZEIN)


beljakovine1 Kazein je v primerjavi s sirotkinimi beljakovine bolj počasi prebavljiv. Ob zaužitju telesu zagotavlja konstanten in dolgotrajen nivo aminokislin v telesu. Tako deluje predvsem antikatabolično, pomaga ohranjati mišično maso. Priporočljivo ga je zaužiti zjutraj, najbolje pa zvečer pred spanjem, ker s svojim počasnim sproščanjem telesu nudi pozitivni nitrogenski nivo in s tem rast in regeneracijo mišic.
Priporočljivo ga je zaužiti v kombinaciji sirotkinimi, jajčnimi ali sojinimi beljakovine.



SOJINE BELJAKOVINE


Sojini beljakovine (opisujemo izolat) so dobro prebavljivi in imajo zelo kvalitetno aminokislinsko sestavo. Vsebujejo veliko glutamina, arganina in BCAA, skupaj 36,2%. Imajo veliko pozitivnih lastnostih za organizem:
Pomagajo ohranjati mišično maso, zmanjšujejo holesterol, pozitivno delujejo na srce in ožilje. Vplivajo na stimulacijo tiorida in tiroxina, hormona, ki pospešujeta metabolizem in kurjenje maščob. Sojini beljakovine so s svojimi pozitivnimi lastnostmi najbolj primerni za tiste, ki imajo zmanjšan vnos kalorij (npr. v času tekmovanj, faza definicije), saj s svojim delovanjem pomagajo ohraniti mišično maso.



JAJČNE BELJAKOVINE


Jajčne beljakovine so dolgo časa veljali kot zlati standard. Tudi oni imajo kvalitetno aminokislinsko sestavo, največ alanina, cistina in metionina. Vsebujejo tudi veliko BCAA. Njihovega edinstvena lastnost je, da uravnava sproščanje aminokislin. Vsebuje peptide, ki preprečujejo praznjenje želodca, kar omogoča velik izkoristek proteinov in konstanten pritok aminokislin v mišice.



KAJ VAM PRIPOROČAMO IN KAJ NUDI ENA OD SPLETNIH TRGOVIN WWW.TGSPORTLIFE.NET:


V trgovini boste našli 4 različne čiste proteinske preparate in weight gainer. Nakup oziroma izbira proteinskega preparata mora ustrezati vašim potrebam, oziroma potrebam vašega telesa in treninga.


Za vse tiste, ki hočete kupiti najboljše proteine za najmanj denarja poskusite Ultra whey pro.
Izdelek ANIMAL MAX iz Universalove Animal linije (za bodybuilderje) so beljakovine narejeni predvsem za bodybuilderje, dodatno vsebujejo kreatin, glutamin in tavrin.
Predstavljamo vam tudi Universalovo linijo Specializiranih proteinov, ki so zasnovani tako, da telesu zagotovijo tiste aminokisline, po katerih imate največjo potrebo. Recimo ko hujšate imate drugačne potrebe po aminokislinah kot takrat, ko hočete maksimalno pridobiti mišično maso. To sta izdelka Specialized protein for Dieting in Specialized protein for Lean Mass. Ponujamo vam tudi izredno kakovosten weight gainer Real Gains z edinstveno formulo: sirotke, mlečnih beljakovin, MCT maščobe, laneno olje, inulin..

max



Sicer pa je najboljše, da njihovo delovanje občutite sami- kako delujejo in kateri najbolje delujejo, kdaj najbolje delujejo. Kajti vsak organizem je malo drugačen in ima tudi drugačen odziv na preparate. Zato je priporočljivo, da si zapomnite ali zapišete kaj je za vas najbolj učinkovito. Vendar zapomnite si: niso bistvo beljakovine. Bistvena je kombinacija vsega.

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