Pharmaceutical name:

英文藥名﹕

Semen Persicae

Latin botanical name:

拉丁名﹕

Amygdalus davidiana（Carr.）C. de Vos ex Henry

Pron. in Japanese:

日語發音﹕

tonin

Pron. in Korean:

韓語發音﹕

toin

Pron. in Cantonese:

粵語發音﹕

toh yan

Common Name:

英文名﹕

peach kernel, persica

Distribution:

分佈﹕

throughout China

全中國。

Properties (characteristics)

性味﹕

bitter, sweet, neutral

苦﹐甘﹐平。

Channels (meridians) entered:

歸經﹕

heart, large intestine, liver, lung

心﹐大腸﹐ 肝﹐肺。

Actions & Indications:

主治﹕

1. breaks up blood stasis

2. for constipation due to dry intestines

Medical Function:

藥理﹕

anti coagulation, anti hypertensive, inhibits pain, anti inflammation, detoxification, anti-allergenics,  promotes bowel movements.

Chemical ingredients:

化學成份﹕

Chemical ingredients:

1.  [triacyl glycerol], 88.6 ~ 92.1%; [1, 2-biacyl glycerol],   2.2 ~ 2.3%; [1, 3-biacyl  glycerol],  0.9 ~ 1.6%; [monoacyl glycerol], 0.3 ~ 1.1%; [sterol ester], 1.0 ~ 1.6% ^[1,2];  [phosphatidyl choline] 43.7 ~  44.7%; [phosphatidyl ethanolamine] 35.5 ~ 37.4%; [phosphatidyl serine] , 17.1 ~ 19.9%.

2.  [24-methylenecyloartanol], 0.001%; [citrostadienol], 0.002%; [7-dehydroavenasterol, delta⁷-avenasterol], 0.002%.

3.  animo acid and protein.

4.  catechin, prunin, hesperetin-5-O-glucoside^[4], naringenin, kaempferol, hydro-kaempferol, kaempferide glucoside, quercetin glucoside^[7].

5.  [methyl alpha-D-fructofuranoside], 0.005%; [methyl beta-D-glucopyranoside], 0.09%; [prunasin], 0.38%; [amygdalin] 3.49%^[3].

Dosage:

用量﹕

4.5 to 9  g. Should not be broken into small pieces until dispensed.

4.5 ~ 9  克。應用時才好將桃仁打碎。

Samples of formulae:

常用處方：

1. tao he chen qi tang,  

2. tao ren tang, 

3. shu jing huo xue tang,

1. 桃核承氣湯

2. 桃仁湯

3. 舒經活血湯

Modern Research:

to be loaded

Cautions:

Not to use in case of anemia or during pregnancy. Raw tao ren is toxic.

血不足者忌用。孕婦忌服。