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微博《吴希素营养师专栏》吃得出「色」- 类胡萝卜素
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时间:04/14/2011
浏览: 1608
橙黄色的蔬果含有类 胡萝卜素。β-胡萝卜素是其中一种类胡萝卜素，也是维生素A的前驱物，所以它能转换成维生素A。维生素A能保障细胞膜，更能保护眼 晴，预防视力减退。
类胡萝卜素有高抗氧 化能力，能抵挡形成老化的自由基10-20次的攻击。科学家指出含有类胡萝卜素的食物能减少患上癌症、冠心病及强化免疫系统的功能。
以下为类胡萝卜素的 其他好处：
有效预防皮肤受到紫外线的 伤害。
强化人体免疫系统，从而增 强抵抗力。
增加视网膜感光的敏锐度。
预防眼睛因老化而造成黄斑 部病变。
柑橘类水果不能提供 大量的维生素A，但它们含有大量维生素C和叶酸，能减低婴儿患有先天性缺陷的风险。
橙黄色的食物中含有 丰富的类胡萝卜素，如胡萝卜、黄/橙色灯笼椒、南瓜、芒果、橘子等。类胡萝卜素的吸收方法与茄红素相同，要经过煮、炖等方 法才能释放当中的β—胡萝卜素。要达到食疗作用，每天只需吃3-6盎司含有类胡萝卜素的食物便可。
Eat Right with Color - Orange, Yellow for Carotenoids
Orange/yellow fruits and vegetables are colored by the natural plant pigment called "carotenoids". Beta-carotene is one of the Carotenoids and is the precursor of Vitamin A, so it can convert into Vitamin A in human body. Vitamin A helps maintain healthy mucous membranes and healthy eyes.
Carotenoids is a powerful antioxidant which help to eliminate free radicals. Scientists have reported that carotenoid-rich foods can help reduce risk of cancer, heart disease and can improve immune system function.
Other benefits of carotenoids:
Prevent the UV damage of skin
Strengthen and enhance our immune system
Increase the sensitivity of retinal photoreceptors
Prevent the macular degeneration caused by aging
Citrus fruits like oranges are not a good source of vitamin A. They are an excellent source of vitamin C and folate, a B vitamin that helps reduce risk of birthdefects.
The absorption of carotenoid is similar with lycopene, the β-carotene can be released by boiling, stewing, masticate, or cooking the plant. Limit storage of fruits and vegetables. Once plants containing carotenoids are pulled from the vine, their active antioxidants gradually lose their potency. The recommendation is to have 3-6 ounces of orange/yellows fruits and vegetables per day.
Examples of Orange/Yellow fruits and vegetables are carrots, yellow /orange bell pepper, pumpkin and mango.
类胡萝卜素有高抗氧 化能力，能抵挡形成老化的自由基10-20次的攻击。科学家指出含有类胡萝卜素的食物能减少患上癌症、冠心病及强化免疫系统的功能。
以下为类胡萝卜素的 其他好处：
有效预防皮肤受到紫外线的 伤害。
强化人体免疫系统，从而增 强抵抗力。
增加视网膜感光的敏锐度。
预防眼睛因老化而造成黄斑 部病变。
柑橘类水果不能提供 大量的维生素A，但它们含有大量维生素C和叶酸，能减低婴儿患有先天性缺陷的风险。
橙黄色的食物中含有 丰富的类胡萝卜素，如胡萝卜、黄/橙色灯笼椒、南瓜、芒果、橘子等。类胡萝卜素的吸收方法与茄红素相同，要经过煮、炖等方 法才能释放当中的β—胡萝卜素。要达到食疗作用，每天只需吃3-6盎司含有类胡萝卜素的食物便可。
Eat Right with Color - Orange, Yellow for Carotenoids
Orange/yellow fruits and vegetables are colored by the natural plant pigment called "carotenoids". Beta-carotene is one of the Carotenoids and is the precursor of Vitamin A, so it can convert into Vitamin A in human body. Vitamin A helps maintain healthy mucous membranes and healthy eyes.
Carotenoids is a powerful antioxidant which help to eliminate free radicals. Scientists have reported that carotenoid-rich foods can help reduce risk of cancer, heart disease and can improve immune system function.
Other benefits of carotenoids:
Prevent the UV damage of skin
Strengthen and enhance our immune system
Increase the sensitivity of retinal photoreceptors
Prevent the macular degeneration caused by aging
Citrus fruits like oranges are not a good source of vitamin A. They are an excellent source of vitamin C and folate, a B vitamin that helps reduce risk of birthdefects.
The absorption of carotenoid is similar with lycopene, the β-carotene can be released by boiling, stewing, masticate, or cooking the plant. Limit storage of fruits and vegetables. Once plants containing carotenoids are pulled from the vine, their active antioxidants gradually lose their potency. The recommendation is to have 3-6 ounces of orange/yellows fruits and vegetables per day.
Examples of Orange/Yellow fruits and vegetables are carrots, yellow /orange bell pepper, pumpkin and mango.
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