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Health & Medical
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1.    Identify and define antioxidants, phytochemicals, and phytoestrogens

Jul 2nd, 2015

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  Antioxidant:

 "A substance that reduces damage due to oxygen, such as that caused by free radicals. Well-known antioxidants include enzymes and other substances."

Example:

 Like vitamin C, vitamin E, and beta carotene, which are capable of counteracting the damaging effects of oxidation.

 Antioxidants are also commonly added to food products such as vegetable oils and prepared foods to prevent or delay their deterioration from the action of air. Antioxidants may possibly reduce the risks of cancer. Antioxidants clearly slow the progression of age-related mauler degeneration.

Medical Definition of ANTIOXIDANT:

"Any of various substances (as beta-carotene, vitamin C, and alpha-tocopherol) that inhibit oxidation or reactions promoted by oxygen and peroxides and that include many held to protect the living body from the deleterious effects of free radicals."

Word origin and history for antioxidant extracts from anti- + oxidant.

  Phytochemicals:

Phytochemicals are non-nutritive plant chemicals that have protective or disease preventive properties. They are non-essential nutrients, meaning that they are not required by the human body for sustaining life. It is well-known that plant produce these chemicals to protect themselves but recent research demonstrate that they can also protect humans against diseases. There are more than thousand known phytochemicals. Some of the well-known phytochemicals are lycopene in tomatoes, isoflavones in soy and flavanoids in fruits. 

 Or

 "It is also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health."

phytoestrogen:

"Any of a group of nonsteroidal substances, including isoflavones, that occur in plants, increase plant immunity to disease, and act as estrogen agonists or antagonists in animals."

or 

"A chemical compound (as genistein) that occurs naturally in plants and has estrogenic properties".


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Jul 2nd, 2015

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