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从各种资料中收集的食物中的DHT来源 [复制链接]

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楼主
发表于 2010-3-20 13:23:50 | 只看该作者 |倒序浏览         交流QQ群:86809880
以下是从各种文献、资料中收集的,意思是牛奶及乳制品中含有DHT前体,这些DHT前体可以在没有5α转换酶的条件下很容易的转化为DHT。这些信息都建议雄性脱发者应尽量不要饮用牛奶,也不要适用乳制品。
大家可以做个参考,自行决定是否饮用牛奶及乳制品。

(1)Dihydrotestosterone is the 5α-reduced product of the
testosterone (T) that is present as part of normal gonadal
metabolism in both sexes, but there are also exogenous
sources including foods such as milk and meat. The
enzyme 5α-reductase in the pilosebaceous unit mediates this
reaction, but DHT may also reach the androgen receptor
without the influence of 5α-reductase when the precursor
molecules are already 5α-reduced. Milk contains at least 2
such molecules, 5α-androstanedione and 5α-pregnanedione,
14 and these are prime candidates as the long-term
stimulants to pilosebaceous activity. There are several other
likely precursors in milk (and its products), and the enzyme
systems necessary for their conversion to DHT are all part of
the pilosebaceous intracrine system.

(2)While cow’s milk does not contain DHT, it contains many other hormones that are broken down into DHT. In fact, the volume of these hormones is particularly high in the milk of pregnant cows, which comprises 75% to 90% of the milk and dairy products found in supermarket coolers.

(3)To make matters even worse skin glands already contain the enzymes required for converting these precursors to DHT. And that means the precursors in milk are immediately converted to DHT.

(4)饮食引起的性发育提前,现在男性(80年代后)一般性发育成熟期在21岁左右,而性分泌高峰期在22岁至28之间,所以这个年龄段男性发生脱发现象尤为突出。这个现象主要是由于现代人食品中激素含量较大,长期饮用牛奶的缘故。西方男性脱发率在40%左右,比中国要大的多,也是因为牛奶原因,牛奶在人类的生长期内又促进生长和美容的作用,但是牛奶中也含有性激素,在人类(特别是男性)过了发育期后,有激化性上腺分泌激增的现象,这个就诱导了特别是有遗传因素的男性脱发的发生。

(5)头发太油:可能是喝奶过量。一些毛发研究人员认为,过油的头发是由于喝多了牛奶、酸奶等奶类饮料所致。

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沙发
发表于 2010-3-20 13:28:38 | 只看该作者         论坛脱发植发交流QQ群:86809880
真的假的噢?

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 楼主| 发表于 2010-3-20 13:29:00 | 只看该作者         论坛脱发植发交流QQ群:86809880
大家可以英文搜索"DHT,milk"等关键字,有关分析milk/dairy(牛奶及乳制品)与DHT的文章很多。
与脱发类似,acne(粉刺)和prostate enlargement(前列腺肥大)都与DHT过多有关,研究也表明milk/dairy(牛奶及乳制品)会增加acne和prostate enlargement的发生机率。

当然,这里只是转载一些研究观点,到底是否饮用牛奶及乳制品,还是要自己来判断。

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发表于 2010-3-20 13:29:17 | 只看该作者         论坛脱发植发交流QQ群:86809880
晕~ 我一天至少一斤奶 喝了不下10年~~

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发表于 2010-3-20 13:29:33 | 只看该作者         论坛脱发植发交流QQ群:86809880
下班买牛奶去!~

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发表于 2010-3-20 15:12:55 | 只看该作者         论坛脱发植发交流QQ群:86809880
那一天喝多少才算是适量呢
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