牛肉是牛肉生活中比較常見的肉類之一 ,這和普通的有营养成豬肉相比牛肉中的營養會更加的豐富一點 。而且在用於烹飪中牛肉的分含口感相對也會更好一點 ,營養價值也是牛肉非常高的。在很多營養的有营养成食物搭配中牛肉也是必不可少的,所以還是分含要注意了解其營養成分 。那麽牛肉到成份含量有哪些呢?牛肉
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1.含量
蛋白質(克) 20.2 ; 脂肪(克) 2.3 ; 碳水化合物(克) 1.2。膳食纖維(克) 0 ;膽固醇(毫克) 58 ; 灰分(克) 1.1。有营养成維生素A(微克) 6 ;胡蘿卜素(毫克) 0 ;視黃醇(毫克) 6,分含硫胺素(毫克) 0.07;核黃素(毫克) 0.13 ;尼克酸(毫克) 6.3 ,牛肉維生素C(毫克) 0;維 生素E(T)(毫克) 0.35 。有营养成a-E 0.35 (β-γ)-E 0 δ-E 0,分含鈣(毫克) 9; 磷( 毫克) 172; 鉀(毫克) 284,牛肉鈉(毫克) 53.6; 鎂(毫克) 21; 鐵(毫克) 2.8 。有营养成
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2.食用價值
牛肉中的分含肌氨酸含量比任何其它食品都高,它對增長肌肉、增強力量特別有效。在進行訓練的頭幾秒鍾裏,肌氨酸是肌肉燃料之源 ,有效補充三磷酸腺苷,使訓練能堅持得更久。蛋白質需求量越 大,飲食中增加的維生素B6就越多 。牛肉含有足夠的維生素B6,可幫你增強免疫力,促進蛋白質的新陳代謝和合成,從而有助於緊張訓練後身體的恢複。
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3. 注意
有人認為 當牛肉開始腐爛時的味道最為鮮美 。其實這是極為荒唐的說法 。雖然在屠宰後的牛肉熟成時期比其他肉類久,但卻因為到店鋪陳設之前 ,已經完全熟成,而可放在家中的日期隻有三四天 ,整塊肉則以一周為限。同時為了防止氧化而變質,應置於冰箱保存。 一周吃一次牛肉即可,不可食之太多 ,另外,牛脂肪更應少食為妙,否則會增加體內膽固醇和脂肪的積累量 。新鮮牛肉每日可80-100g,速凍牛肉配合其他菜可以配用120g ,牛肉幹不宜過多 每日食用不超過50g 。
(责任编辑:綜合)
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