Understanding Protein Requirements in Daily Diet
Explore the daily protein requirements and recommendations for maintaining a healthy balance, based on scientific insights and historical perspectives. Learn about the importance of proteins, minimum intake levels, and individual variations in protein needs. Dive into the details of protein sources such as eggs, milk, meat, and fish, and understand how to adjust your diet to meet optimal protein intake levels.
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B L K O V I N Y a jejich denn doporu en d vky MUDr. Jan ev k Spole nost pro v ivu Praha KOLN STRAVOV N - PRAHA 2014
Poteba blkovin Na skute nou pot ebu b lkovin ve v iv lov ka m eme usuzovat z jeho metabolick ch ukazatel , konkr tn z mno stv vylou en ho dus ku (N)
Blkovinn minimum Je mno stv proteinu ve strav , kter udr dus kovou bilanci na doln hranici (bilance). B lkovinn minimum in 0,025 g dus ku na 1 kg hmotnosti. Prakticky in 20 30 g b lkovin. Rovnov ha na horn hranici dus kov bilance in 80 g
Poznatky z historie Rubner: 1 g zadr en ho dus ku odpov d 33 g t lesn hmotnosti Kabel k: P i sn en p vodu b lkovin pod 72 g / den doch z ke sn en v konnosti, i kdy z stane hmotnost zachovan S sskind se zhroutil po 15 m s c ch p i 33 g proteinu ve strav .
P O T E B A blkovin /1/ Experiment ln zji t n pr m rn pot eba vysoce kvalitn ch b lkovin z vajec, ml ka, masa, ryb (stravitelnost 95 % a v c) je pro dosp l 0,6 g / kg t l. hmotn./den - Vzhledem k individu ln m v kyv m se tato hodnota zvy uje na 0,75 g b lkovin/kg/den (tj. + 25 % !!!) (viz: Referen n hodnoty pro p jem ivin, SPV o.s., str. 35)
P O T E B A blkovin /2/ S ohledem na sn enou stravitelnost sm en stravy je doporu en p sun b lkovin 0,8 g/kg/den (tj. o 30 % v c proti p vodn hodnot 0,6 g !!!) Ve vyv en sm en strav se pod l b lkoviny na energetick p jmu dosp l ch 9 11 %, av ak p jem 15 % je sn ze realizovateln a p ijateln . (viz: Referen n hodnoty pro p jem ivin, SPV o.s., str. 35)
P O T E B A blkovin /3/ (p klad v po tu pro chlapce ve v ku 10 12 let podle publikace: Referen n hodnoty pro p jem ivin SPV o.s. 2011) Tabulka . 4: Normativy pro pr m rn energetick p jem . . . . . u osob s optim ln m BMI 10 12 let chlapci Z toho 15 % = 345 kca/den 300 kcal/den hrada b lkovinami = 86,25 g/den (energetick ekvivalent 1 g B = 4 kcal) Je pravd podobn , e tyto hodnoty b lkovin budou v praxi uplat ov ny jako pr m rn v potravin ch jak nakoupeno . 2300 kcal/den d vky 2000 kcal/den 75 g/den
B L K O V I N Y a jejich denn doporu en d vky Literatura : 1/ Referen n hodnoty pro p jem ivin, SPV Praha 2011 2/ V. celost tn antropologick v zkum d t a ml de e, SZ Praha 1993 3/ Hygiena v ivy, u ebnice pro l ka sk fakulty, Avicenum Praha 1985 MUDr. Jan ev k, SPV Praha 2014
