Biological name 拉丁名﹕
Prunus Persica (L) Batsch
Amygdalus davidiana（Carr.）C. de Vos ex Henry
Common Name 英文名﹕peach kernel, persica
Distribution 分佈﹕throughout China 全中國。
Properties (characteristics) 性味﹕
bitter, sweet, neutral, slightly toxic.
苦﹐甘﹐平, 有小毒。
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
1. 消淤血。
2. 治腸乾燥之便秘。
Medical Function 藥理﹕
anti coagulation, anti hypertensive, inhibits pain, anti inflammation, detoxification, anti-allergenics, promotes bowel movements.
抗凝作用。降血壓作用。鎮痛，消炎，抗過敏， 解毒，通便作用。
Chemical ingredients 化學成份﹕
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
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。生桃仁有毒。
(by: Joe Hing Kwok Chu)
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