精華區beta BeautySalon 關於我們 聯絡資訊
有一篇有趣的文章 我覺得可以讓大家參考~~ 篇名:Effect of UV-B Exposure on the Concentration of Vitamin D2 in Sliced Shiitake Mushroom (Lentinus edodes) and White Button Mushroom (Agaricus bisporus) 作者:J. A. KO, B. H. LEE, J. S. LEE, H. J. PARK 期刊:J. Agric. Food Chem. 2008, 56, 3671–3674 有興趣的版友 可以依相關關鍵字查詢 或學校有訂閱這期刊 可看一下全文~ 在文中作者提到:(我列出來的 是跟我們關心Vit.D用途有關的 很抱歉 我也不翻譯 怕會原意失真~~) Vitamin D plays an important role in the regulation of calcium and phosphorus in the human body and in mineralization of bones. Furthermore, it is clear that receptors for vitamin D are present in a wide variety of cells, and thereby this vitamin has biological effects that extend far beyond control of mineral metabolism (1). Vitamin D consists of two different compounds, vitamin D2 from ergosterol and vitamin D3 from 7-dehydroc- holesterol (2). It can be produced by the action of sunlight and absorbed from the diet in the intestinal tract. Without vitamin D, the absorption rate of calcium is at best 10 15% of calcium intake. With vitamin D, it increases to 30 80% of the intake (3). However, the importance of vitamin D is overlooked compared with that of other nutrients for dietary foods, because it is synthesized during exposure of sunlight. However, increased use of sunscreen and decreased exposure to sunlight are reducing the synthesis of vitamin D2 attributable to exposure to UV (ultraviolet) radiation. Therefore, we cannot rely only on the vitamin D synthesized in the skin. This is a fact that is even more pronounced for the elderly (4). Good food sources of vitamin D are fish, egg yolk, and milk . 雖然文章中主要是在實驗菇類會隨著UV-B的照射 讓vitamin D2濃度不同.. 但是我覺得很有意思的是 原來"產生vitamin D2 是UV-B!!"(雖然 本篇是指菇類 不過文章說 可攝取菇類補充..) 不過還是覺得有趣~~ 在此與大家分享~~ 最後 再附上一篇好文章 http://www.sim.org.tw/journal/jour13-4/P13_167.PDF 部分擷取: 流行病學的證據顯示紫外線 ( UV ) 暴露過量或是維生素 D的血中濃度下降, 即容易罹患一些非表皮性的癌症,例如大腸癌。因此就有實驗室的研究報告 使用活性維生素D3 治療,可使癌細胞邊緣的維生素 D接受器數量增加, 並抑制癌細胞的生長。 所以 防曬過與不及都應該要注意 ^^ -- -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.123.79.32 ※ 編輯: LOLIVA 來自: 140.123.79.32 (05/27 12:36)
AQUAWATERS:跟我一樣骨質密度已經危險的板友們 60.244.253.85 05/27 12:46
AQUAWATERS:還是曬點太陽吧 骨質密度真的是很必要 60.244.253.85 05/27 12:47
AQUAWATERS:檢查的項目 沒檢查之前我從沒想過 60.244.253.85 05/27 12:47
AQUAWATERS:20歲的我是在危險的範圍.. 60.244.253.85 05/27 12:47
xd12345xd:的確UV能輔D合成CA是不容否定的 59.116.162.154 05/27 12:52
xd12345xd:但你的問題可能是多方面的 59.116.162.154 05/27 12:53
xd12345xd:如營養攝取、身體CA利用率、是否適度運 59.116.162.154 05/27 12:53
xd12345xd:動等皆有影響 骨質方面的問題^^ 59.116.162.154 05/27 12:54
AQUAWATERS:所以我也是盡量多方面加強 60.244.253.85 05/27 12:54
AQUAWATERS:營養攝取跟運動都盡量 太陽也多少曬一 60.244.253.85 05/27 12:55
AQUAWATERS:點 60.244.253.85 05/27 12:55
AQUAWATERS:目前我還不清楚我是哪方面有缺失 只好 60.244.253.85 05/27 12:55
AQUAWATERS:全做囉 60.244.253.85 05/27 12:56
LOLIVA:X大 CA是啥? 能不能進一步說明?^^ 140.123.79.32 05/27 12:56
AQUAWATERS:鈣? 60.244.253.85 05/27 12:56
LOLIVA:Ca? 還是CA是某種東西的縮寫? 140.123.79.32 05/27 12:58
xd12345xd:Ca鈣 59.116.162.154 05/27 13:00
xd12345xd:我的話是沒有這方面的問題會兩三個月 59.116.162.154 05/27 13:01
LOLIVA:XDDDD 我一直往哪各循環想..ORZ 140.123.79.32 05/27 13:01
xd12345xd:健康檢查一次 必竟讀本科系的很怕死= = 59.116.162.154 05/27 13:01
LOLIVA:如TCA cycle 我一直在往這方面想耶.. 140.123.79.32 05/27 13:02
AQUAWATERS:跟樓上想到一樣的 因為太嫩了只背過 60.244.253.85 05/27 13:03
AQUAWATERS:這個 60.244.253.85 05/27 13:03
xd12345xd:跟檸檬酸循環有關= =? 59.116.162.154 05/27 13:04
LOLIVA:不是啦 是一直想還有哪些循環是"CA" 140.123.79.32 05/27 13:05
LOLIVA:然後自己沒背過CA... 140.123.79.32 05/27 13:05
lisasu:骨質疏鬆的確跟很多原因有關,我現在也是... 210.66.55.140 05/27 13:08
lisasu:每樣都做一點,運動啦,飲食啦,太陽啦... 210.66.55.140 05/27 13:08
lisasu:以免我明年健檢又爆表... ~"~ 210.66.55.140 05/27 13:08
ameko612:good 好文~~推推~~218.174.153.101 05/27 14:36
jubilee:骨質疏鬆的話,要練重訓哦! 128.138.41.211 05/27 17:21
LOLIVA:J大 練重訓 手會不會斷阿?(超不專業發問) 140.123.79.32 05/27 17:22
AQUAWATERS:沒有人會練讓手斷掉的重量吧 囧 60.244.253.85 05/27 17:47
xd12345xd:我練二年了手都沒斷 真擔心XD 59.116.166.38 05/27 18:12