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  • 葉黃素(Lutein)對保持皮膚健康有怎樣的作用?

關於葉黃素(Lutein)對皮膚健康所起作用的研究正在不斷取得進展。一般認為,葉黃素(Lutein)在皮膚中發揮作用的機制與在眼睛中相似,通過抑制陽光照射和外界刺激產生的自由基、吸收高能量波長藍光達到保護皮膚的作用。科學資料顯示,通過飲食和補給製品攝取葉黃素(Lutein)可減輕氧化性損傷。

葉黃素(Lutein)可有效地

  1. 吸收藍光(文獻23
  2. 抑制三重態光敏劑(文獻24-25
  3. 抑制單態氧(文獻25-28
  4. 抑制皮脂的過氧化反應(文獻29

等事實已得到證明。

葉黃素(Lutein)的這些作用顯示了葉黃素(Lutein)是怎樣保持皮膚健康的。
而且,若干研究也證明葉黃素(Lutein)對以下各項也有效。

  1. UV照射引發的皮膚細胞增生(文獻1730
  2. 減輕UV照射引發的炎症和免疫機能低下(文獻13
  3. 預防皮膚癌(至少在一種動物中)(文獻31

*
美國FDA(食品藥品管理局)還未對這些說法作出評價。
添加有FloraGLO®葉黃素的補給製品並不以預防、治療、治癒所有疾病為目的

文獻

13.

Faulhaber, D., R. D. Granstein, et al. (2001). Lutein inhibits UVB radiation-induced tissue swelling and suppression of the induction of contact hypersensitivity (CHS) in the mouse. The Society of Investigative Dermatology, 62nd Annual Meeting, Washington D.C.

17. Taylor, E. J. and F. J. Evans (1998). "Anti-psoriatic action of lutein demonstrated by inhibition of rat photodermatitis." J Pharm Pharmacol 50(Supplement): 78.

22.

Podda, M., Traber, M. G., Weber, C., Yan, L.-J., Packer, L., UV-Irradiation Depletes Antioxidants and Causes Oxidative Damage in a Model of Human Skin, Free Rad. Biol. Med.24: 55-65 (1998).

23.

Landrum, J. T., Bone, R. A. Lutein, Zeaxanthin, and the Macular Pigment. Arch. Biochem. Biophys. 385:28-40, 2001.

24.

Mathew-Roth, M. M., Wilson, T., Fujimori, E., and Krinsky, N. I., Carotenoid Chromophore Length and Protection Against Photosensitization, Photochem. Photobiol. 19: 217-222 (1974).

25.

Edge, R. and Truscott, T. G., Carotenoid Radicals and the Interaction of Carotenoids with Active Oxygen Species in The Photochemistry of Carotenoids, H.A. Frank, A. J. Young, G. Britton, and R. J. Cogdell (eds.), 223-234, Kluwer Academic Publishers, Netherlands (1999).

26.

Di Mascio, P., Devasagayam, R. A., Kaiser, S., Sies, H., Carotenoids, Tocopherols and Thiols as Biological Singlet Molecular Oxygen Quenchers. Biochem. Soc. Trans. 18: 1054-1056 (1990).

27.

Miller, N. J., Sampson, J., Candeias, L. P., Branley, P. M., Rice-Evans, C. A., Antioxidant Activities of Carotenes and Xanthophylls, FEBS Letters, 384:240-242 (1996).

28.

Rice-Evans, C. A., Sampson, J., Bramley, P. M., Holloway. D. E., Why Do We Expect Caroteniods to be Antioxidant in-vivo? Free Rad. Res. 26: 381-398 (1997).

29.

Terao, J., Nagao, A., Park, D.-K., Lim, B. P., Lipid Hydroperoxide Assay for Antioxidant Activity of Carotenoids, Methods in Enzymology(Packer., L., Ed.), 312: 454-460 (1992).

30.

Wu, A. Pathak, M. A., Sifakis, M. Goukassian, D. A., and Gonzalez, S., Oral Administration of Lutein Modulates Cell Proliferation Induced by Acute UVB Radiation in the SHK-1 Hairless Mouse Animal Model, The Society of Investigative Dermatology, 63rd Annual Meeting, Los Angeles, CA, Abstract # 769 (2002).

31.

Chen, J., Wu, A., Pathak, M. A., Rius-Diaz, F., Mihm, C. M., Goukassian, D. A., Gonzalez, S., Dietary Lutein and Zeaxanthin Partially Prevent UVB-Induced Skin Carcinogenesis in SKH-1 Hairless Mouse Model, The Society of Investigative Dermatology, 63rd Annual Meeting, Los Angeles, CA, Abstract # 767 (2002).

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