【保健知多D】維生素知多D:維生素E
〈維生素E關維生素C咩事?〉
說到維生素E,坊間總是大多離不開「抗氧化」。
實際上,維生素E到底又有什麼功效呢?
首先維生素E的確是一種抗氧化劑(Antioxidant),主要用來KO體內的自由基(Free Radicals)。
一般相信自由基可能會加速人體老化,甚至致癌,所以理論上,維生素E或許能夠減慢老化、預防癌症。
實際上,維生素E往往又可能會搭配維生素C同服。
為什麼?
其實說到抗氧化劑,大家還可能會聽過維生素C吧?
對,維生素C同是一種抗氧化劑。
因為維生素E是一種脂溶性維生素,而維生素C則是一種水溶性維生素,所以彼此便能夠互補對方的不足,一個水裡水裡來,一個火裡火裡去……不,不,不,應該是油裡油裡去,從而達到全方位的抗氧化效果。
實際上,一些研究指出這種組合多少能夠預防曬傷。[1][2][3][4][5]
除此之外,維生素E還可能會預防前列腺癌。[6]
不過維生素E其實都有很多種形態,例如Alpha-tocopherol(α-tocopherol)、Beta-tocopherol(β-tocopherol)、Gamma-tocopherol(γ-tocopherol)、Delta-tocopherol(δ-tocopherol)。
其中一些研究顯示Gamma-tocopherol可能較適合用來預防前列腺癌。[7][8]
至於Alpha-tocopherol還可以分為天然、人工兩種,一般分別稱為d-alpha-tocopherol、dl-alpha-tocopherol。
相較而言,因為部分dl-alpha-tocopherol不含活性,所以攝取量一般較大。
在副作用上,因為維生素E可能會抗凝血,所以較可能會加強一些抗凝血藥、抗血小板藥的功效,例如華法林(Warfarin)、肝素(Heparin)、亞士匹靈(Aspirin)、Clopidogrel,從而可能會增加出血的風險。
當然,除此之外,其他中藥例如當歸、丹參同樣可能會跟維生素E產生這種相互作用,從而可能會增加出血的風險。
所以如果正在服用這些中、西藥的話,一般建議服用維生素E前首先應該諮詢醫生的專業意見。
實際上,一項研究指出每天服用大約50 IU的人工維生素E便可能會增加出現出血性中風(Hemorrhagic Stroke)的風險[9],不過詭異的是這卻可能會減少出現缺血性中風(Ischemic Stroke)的風險。[10]
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Reference:
1. Fuchs J, Kern H. Modulation of UV-light-induced skin inflammation by d-alpha-tocopherol and l-ascorbic acid: a clinical study using solar simulated radiation. Free Radic Biol Med. 1998;25:1006-1012.
2. Eberlein-Konig B, Placzek M, and Przybilla B. Protective effect against sunburn of combined systemic ascorbic acid (vitamin C) and d-alpha-tocopherol (vitamin E). J Am Acad Dermatol. 1998;38:45-48.
3. Darr D, Dunston S, Faust H, et al. Effectiveness of antioxidants (vitamin C and E) with and without sunscreens as topical photoprotectants. Acta Derm Venereol. 1996;76:264-268.
4. Trevithick JR, Shum DT, Redae S, et al. Reduction of sunburn damage to skin by topical application of vitamin E acetate following exposure to ultraviolet B radiation: effect of delaying application or of reducing concentration of vitamin E acetate applied. Scanning Microsc. 1993;7:1269-1281.
5. Trevithick JR, Xiong H, Lee S, et al. Topical tocopherol acetate reduces post-UVB, sunburn-associated erythema, edema, and skin sensitivity in hairless mice. Arch Biochem Biophys. 1992;296:575-582.
6. Heinonen OP, Albanes D, Virtamo J, et al. Prostate cancer and supplementation with alpha-tocopherol and beta-carotene: incidence and mortality in a controlled trial. J Natl Cancer Inst. 1998;90:440-446.
7. Helzlsouer KJ, Huang HY, Alberg AJ, et al. Association between alpha-tocopherol, gamma-tocopherol, selenium, and subsequent prostate cancer. J Natl Cancer Inst. 2000;92:2018-2023.
8. Wright ME, Weinstein SJ, Lawson KA, et al. Supplemental and dietary vitamin E intakes and risk of prostate cancer in a large prospective study. Cancer Epidemiol Biomarkers Prev. 2007;16:1128-1135.
9. Leppala JM, Virtamo J, Fogelholm R, et al. Controlled trial of alpha-tocopherol and beta-carotene supplements on stroke incidence and mortality in male smokers. Arterioscler Thromb Vasc Biol. 2000;20:230-235.
10. Leppala JM, Virtamo J, Fogelholm R, et al. Vitamin E and beta carotene supplementation in high risk for stroke. A subgroup analysis of the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study. Arch Neurol. 2000;57:1503-1509.
同時也有2部Youtube影片,追蹤數超過28萬的網紅BEAUTYQQ,也在其Youtube影片中提到,The artichoke is one of the oldest medicinal plants dating back to 4th century B.C. Ancient Greeks and Romans used the artichoke for digestive proble...
「prostate cancer prevention」的推薦目錄:
- 關於prostate cancer prevention 在 小小藥罐子 Facebook
- 關於prostate cancer prevention 在 Sunshine Kelly Facebook
- 關於prostate cancer prevention 在 Brandy Lim 林诗枝 Facebook
- 關於prostate cancer prevention 在 BEAUTYQQ Youtube
- 關於prostate cancer prevention 在 [email protected] Youtube
- 關於prostate cancer prevention 在 How To Prevent Prostate Cancer - YouTube 的評價
prostate cancer prevention 在 Sunshine Kelly Facebook 八卦
Remember and always take note that early detection saves lives. It's was a fun learning experience to know that lung cancer kills more people than colon and prostate cancer. There are a few types of treatments available. One of them is Immunotherapy, a treatment method that uses certain parts of a person's immune systems to fight cancer. Details will be on the blog soon sunshinekelly.com
.
Ever since my aunt passed away few years ago because of breast cancer I began to take initiatives to know more about this disease, prevention and go for regular medical check up.
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#MSDBloggerWorkshop
prostate cancer prevention 在 Brandy Lim 林诗枝 Facebook 八卦
((Top 10 Important Natural Health food for us)) Hope it is helpful. Great day!
1.Spinach: this is a heart-healthy food- vitamins C & A, as well as magnesium, a mineral that helps to lower high blood pressure. keep your brain young and agile. protective against eye diseases.
2.Tomato: Ward off Cancer, Reduce the Risk of Heart Disease & WHITENING
3.Chocolate: Good for Your Heart, Brain & it makes you HAPPY ^^
4.Potato: offset incidence of kidney stones & keep away from EYE BAGS!
5.Mushroom: Weight Loss and Prostate Cancer Prevention.
6.Soya: Weight Loss and ANTI-AGING
7.Eggs: Promote GOOD MEMORY & healthy hair and nails =)
8.Walnut: reduce the risk of breast cancer, beauty skin.
9. Fish: Depression & help smooth out age lines.
10.Orange: Helps Prevent Cancer
-B-
记好咯!
【人生最重要的10大健康食物】
1.菠菜:补血皮肤好、保护视力;
2.西红柿:防癌美白;3.巧克力:拥有快乐、护齿;4.马铃薯:护脾胃、消除眼袋;5.蘑菇:提高免疫力、减肥;6.大豆:抑制肿瘤、延缓衰老;7.鸡蛋:增强记忆、美容;8.核桃:健脑、润肤;9.鱼:吃出好心情;10橙子:防癌。
平时品均的摄取:) (转)
prostate cancer prevention 在 BEAUTYQQ Youtube 的評價
The artichoke is one of the oldest medicinal plants dating back to 4th century B.C.
Ancient Greeks and Romans used the artichoke for digestive problems.
In the 16th century, artichokes were documented as a treatment for liver problems and jaundice.
Artichokes are a great source of copper, which is key to building collagen!
A good proportion of Vitamin C in artichokes makes it possible for the body to resist inflammatory reactions and also to prevent infections to a good extent.
The Vitamin K content found in this food product is Also known to improve bonje healthbone health.
Artichokes are packed with antioxidants, making them incredible defenders against cancer, aging, heart disease, and illness. They boost the immune system and lower cholesterol.
There are many other powerful polyphenol-type antioxidants found in artichokes that researchers believe can contribute to the prevention and management of prostate cancer.
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Serena - Running Up That Hill - Kate Bush cover.
Serena - voice, instrumental
Alex Hosu - instrumental, audio mix, master
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prostate cancer prevention 在 [email protected] Youtube 的評價
預防前列腺癌 專題 - 梁耀霖泌尿外科專科醫生@FindDoc.com
(本短片作健康教育之用,並不可取代任何醫療診斷或治療。治療成效因人而異,如有疑問,請向專業醫療人士諮詢。)
(一) 多吃番茄,可預防前列腺癌? 0:14
(二) 增加射精次數,可減低患前列腺癌的風險? 1:20
(三) 有哪些生活及飲食的小貼士,有助預防前列腺癌呢? 1:59
資料來源:https://www.FindDoc.com
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prostate cancer prevention 在 How To Prevent Prostate Cancer - YouTube 的八卦
PCF-funded researcher Dr. Rana McKay discusses how to prevent prostate cancer.For more information on how to prevent prostate cancer visit ... ... <看更多>