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shan yao
By: Joe
Hing Kwok Chu

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Present Day
Applications:
現代應用﹕ |
anti aging |
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Pharmaceutical name:
英文藥名﹕ |
Radix Dioscoreae Oppositae |
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Latin
botanical name:
拉丁文學名﹕ |
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Dioscorea opposita Thunb.
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D.
alata
L.,
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D.
esculenta
(Lour.) Burk.,
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D.
rotundata
(L.) Poir.,
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D.
cayenensis
Lam.
-
D.
bulbifera
L.
-
D.
dumetorum
Pax.,
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D.
pentaphylla
L.
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D.
trifida
L.
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Pron. in
Japanese:
日語發音﹕ |
sanyaku |
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Pron. in Korean:
韓語發音﹕ |
sanyak |
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Pron. in
Cantonese:
粵音﹕ |
wai san, san yok |
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Other
Names:
別名﹕ |
Shu yu
薯蕷﹐ chang
shu
長薯, tiao
shu
條薯, tian
shu
田薯, shan
shu
山薯
, da shu
大薯.
It is usually prescribed as huai shan or huai
shan yao, meaning shan yao that produced in the valley of Huai River. (Henan
province of China). Huai shan yao is deemed to be better quality.
薯蕷, 長薯, 條薯, 田薯, 山薯, 大薯. 處方常用淮山﹐即河南省淮河流域所產的山藥。一般認為淮山藥質地較好。 |
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Common Name:
英文名﹕ |
Chinese wild yam, dioscorea
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Distribution:
產地﹕ |
Originally grown in China in the
provinces of Henan, Hubei, Jiangxi, Guangxi, Sichuan, Shanxi,Taiwan,
also in Japan, and other tropical areas. Now the main production
areas are in the tropics. The largest production areas are central
and south America, followed by subtropical areas and Africa.
山藥原產於中國 河南, 湖南,
江西, 廣西, 四川,陝西, 台灣,
與日本及全球熱帶地區。目前主要產區多分布在熱帶,其中以中南美洲為最多,次為亞熱帶地區及非洲。 |
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Properties
(characteristics)﹕
性味﹕ |
sweet, neutral.
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Medical functions:藥理﹕ |
Medical functions:
- Promotes urination
- Lower blood sugar
- Lower blood pressure
- antibiotic
- anti aging: use shan yao, ju hua, niu xi,
shu di huang
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Improves digestive system. Correct pixu
condition
藥理﹕
- 利 尿
- 降 血 壓
- 降血糖
- 抑 菌
- 抗衰老﹕山藥加菊花﹐牛膝﹐熟地黃
- 改善脾虛症狀
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Channels
(meridians) entered:
歸經﹕ |
kidney, lung, spleen channel.
腎﹐肺﹐脾。 |
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Actions & Indications:
主治﹕ |
Wheat flour stir fried shan yao is
used as tonics for spleen and stomach.
Lack
of appetite and/or chronic
diarrhea or
vaginal yeast infection with
pixu
(spleen deficient)
syndrome,
spermatorrhea and
frequent urination
due to shenxu
(kidney deficient)
﹐chronic
cough or wheezing, abundance of phlegm due to lung deficiency,
fatigue, spontaneous sweating and lack of appetite
. Used in thirst and wasting (as in diabetes)
with qixu (qi deficient)
and
yinxu (yin deficient)
syndrome.
Tonic for kidney yin and kidney yang.
脾虛
泄 瀉 , 便 溏 久 瀉
,
腎虛
遺 精 , 小 便 頻 數
, 肺 虛 喘 咳 , 虛 勞 痰 嗽
, 食 少 倦
怠 , 脾 虛 帶 下 , 小 兒 疳 積 等
,
氣虛
兼 陰 虛 的 糖尿病。用于肺氣虛﹐肺陰虛﹐肺陽虛證。
脾胃虛者用麵粉炒制之山藥。 |
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Chemical ingredients:化學成份﹕ |
the
root contains 0.012% of diosgenin (a natural DHEA), also contains saponin, choline, starch,
glycoprotein, free amino acid, d-abscisin II, 3,
4-dihydroxyphenylethylamine, mannan and phytic acid,
vitamin B1, B2, C,
calcium, phosphorous, iron, protein
2.4% ~ 2.8%, fat 0.08 ~ 0.1% 薯蕷皂Diosgenin
(天然的DHEA) 0.012%, 皂素﹐膽鹼﹐澱粉﹐醣蛋白﹐氨基酸﹐脱落素﹐3﹐4-雙羥基苯丙胺酸,甘露聚糖,
植酸,
維 他 命 B1, B2, C 及 鈣, 磷, 鐵 ﹐蛋 白 質 2.4 ~ 2. 8 % , 脂 質
0.08 ~0. 1 %. |
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Dosage:
用量﹕ |
normal dosage is 6 ~ 12 g. Large dosages
can be up to 100 g. 常用量 6 ~ 12 克。大劑量有用到100 克。
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Samples of formulae
:處方舉例﹕ |
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you gui wan
右歸丸
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jin gui shen qi wan
金櫃腎氣丸
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ba zhen tang 八珍湯,
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dang gui
jian zhong tang 當歸健中湯,
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Modern Research:
現代研究﹕ |
to be loaded |
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Cautions:
禁忌﹕ |
Do not use in cases of
liver yang
ascending and urination difficulty due to urinary tract infection.
肝 陽 上亢 及
小 便 不 利因濕 熱 內 蘊 者 忌 服 。 |
DHEA
(dehydroepiandrosterone)
- An androgenic steroid hormone secreted by the brain, skin and largely by the adrenal
cortex and found in human urine. It is the largest amount of the
steroid hormone in the body. When a person get older the DHEA amount
becomes less and when a person get to 45 years old, the secretion of
DHEA is about half of that of when he/she was 20 years old.
- A commercial synthetic preparation of this hormone used as a nutritional
supplement.
DHEA
(脫氫 表雄甾酮)
﹝ DHEA ﹞ 是一種天然的激素, 由腦部、 皮 膚和腎上腺所分泌﹔
是體內含量最多的類固醇激素。。它存在於尿液中。
人在老化時, DHEA 的含量會減少; 到了45 歲 左右, DHEA 分泌量只有20 歲時候的一半。
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