vitamin A

音標發(fā)音

But although most people get enough calories, they still suffer huge deficiencies, especially in four nutrients: iron, zinc, iodine and vitamin A.
但是，盡管大多數(shù)人能獲得足夠的熱量，他們?nèi)匀挥泻艽蟮娘嬍巢涣迹绕涫窃谒姆N營養(yǎng)素方面：鐵，鋅，碘和維生素A。
Helps detoxify. True vitamin A is found only in animal foods such as cod liver oil; fish and shellfish; and liver, butter and egg yolks from pasture-fed animals.
真正的維生素A只能在動物食品中找到，如鱈魚甘油、魚類和甲殼類動物、肝臟、牛油、草食性動物的蛋黃等。
What They Do - They contain antioxidants such as Vitamin A, beta-carotene, Vitamin C, Vitamin E, selenium, zinc, copper and manganese, which are also anti-stress nutrients.
作用 ——上述物質(zhì)含有抗氧化劑，例如維生素A、胡蘿卜素、維生素C、維生素E、硒、鋅、銅和錳，同時它們也是具有抗壓力的營養(yǎng)素。

Sweet potatoes, carrots and other darkly colored fruits and vegetables contain substances that the body can change into vitamin A.
How much Vitamin A should they have?
他們應該攝入多少維生素A
耶魯公開課 - 關于食物的心理學、生物學和政治學課程節(jié)選
Now the fact that people were so reliant on certain foods led to deficiencies of certain nutrients, so people that were dependent on a rice based diet tended to have problems with deficiencies in protein, Vitamin A, and thiamine.
人們過于依賴某些特定的食物,導致了某些營養(yǎng)元素的匱乏,因此,以米飯為主食的人,很可能缺少蛋白質(zhì),維生素A和維生素B1
耶魯公開課 - 關于食物的心理學、生物學和政治學課程節(jié)選

They stayed alive on sweet potatoes, a rich source of calories, vitamin A and beta carotene.
FORBES: Millions Served

a vitamin found in foods such as butter, egg yolk, milk, and fish oils, or produced in the body from the carotene in green vegetables with a lot of leaves or in orange vegetables. It is important for normal growth, healthy skin, and the ability to see well, especially at night.

a vitamin that occurs in the tissues of freshwater fish and has a function similar to that of vitamin A. Formula: C20H28O A2 (Also called dehydroretinol)