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Zhenzhu (Pearl)---珍珠(powder100g/bottle)

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$29.30
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Product Description

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Zhenzhu is the pearl from Pteria martensii (Dunker), Hyriopsis cumingii ( Lea), Cristaria plicata ( Leach), or other bivalves, pertaining to Pteriidae, usaully caused by stumuli. The former is generated from sea, of which the superior is from Hepu area, Gangdong Province. The latter two kinds are generated from fresh water. It is collected it all the year around. After taken from the body, it is washed, dried and then refined with water or ground into fine powder.

[ Medicinal Properties ]: Sweet, salty and cold; relate to heart and livermeridians.

[ Medicinal Efficacies ]: Tranquilize; improve vision, clear nebula; remove toxin and promote tissue regeneration.

[ Clinical Applications ]: 1. Uneasiness, palpitation and insomnia       Zhenzhu is sweet and cold, and is good at treating irritation, insomnia, dream-disturbed sleep, amnesia and uneasiness, due to heart-insufficiency with heat, in combination with Suanzaoren and Baiziren. Also it treats uneasiness, palpitation and insomnia, by itself or mixed with bee honey for oral administration.

2. Infantile convulsions and epilepsy       It treats acute infantile convulsions due to phlegm heat, which manifests as high fever, coma, convulsions and spasma, in combinnation with Niuhuang and Dannanxiang. It treats infantile fright epilepsy, manifesting as uneasiness, convulsions, protrusion and moving of tongue, spasms, in combinatin with Zhusha and Niuhuang.

3. Reddish eyes, nebula and blurred vision      For reddish eyes with astringent pain and nebula due to wind-heat in liver meridian, or up-stiring of liver fire, it is in combination with Qingxianzi and Juhua.

4. Aphtha, sores, ulcer, swelling and lasting ulcer        In case of aphtha, swollen gum with pain and ulcer in the throat, it is in combination with Pengsha and Qingdai. For ulceration of sores and lasting for long time, it is in combination with Luganshi and Huanglian for external application.

 Also it treats pigmentation of skin. Nowadays it is used in comedy to cure pigmentatin of skin by the efficacy to moisten skin and nourish face.

[ Usage and Dosage ]: For oral administration, it is used in powder and pill, with dosage of 0.1-0.3g. Also it is used externally.

珍珠为珍珠贝科动物马氏珍珠贝Pteria martensii (Dunker)、蚌科动物三角帆蚌Hyriopsis cumingii (Lea) 或褶纹冠蚌Cristaria plicata (Leach) 等双壳类动物受刺激形成的珍珠。前一种海产珍珠,主产于广东、海南、广西等沿海地区,以广东合蒲产者最佳;后两种淡水珍珠主产于安徽、江苏、黑龙江等地。全年可采,自动物体内取出,洗净,干燥。水飞或研成极细粉用。

       【药性】甘、咸,寒。归心、肝经。        【功效】安神定惊,明目消翳,解毒生肌。       
 
【应用】        1.心神不宁,心悸失眠。本品甘寒,质重沉降,入心、肝经,重可镇怯,故有安神定惊之效。主治心神不宁,心悸失眠等症,单用即效,如《肘后方》用本品研末与蜜和服。性寒清热,甘寒益阴,故更适用于心虚有热之心烦不眠、多梦健忘、心神不宁等症,每与酸枣仁、柏子仁、五味子等养心安神药同用。       
 
2.惊风,癫痫。本品性寒质重,清心、肝之热而定惊止痉。治疗小儿痰热之急惊风,高热神昏,痉挛抽搐者,可与牛黄、胆南星、天竺黄等清热化痰药配伍,如金箔镇心丸(《杂病源流犀烛》);用治小儿惊痫,惊惕不安,吐舌抽搐等症,可与朱砂、牛黄、黄连等配伍,如镇惊丸(《医宗金鉴》);用本品与朱砂、麝香、伏龙肝同用,可治小儿惊啼及夜啼不止,如真珠丸(《圣惠方》)。       
 
3.目赤翳障,视物不清。本品性寒清热,入肝经,善于清肝明目,消翳,故可用治多种眼疾。用治肝经风热或肝火上攻之目赤涩痛,眼生翳膜,常与青葙子、菊花、石决明等清肝明目之品配伍,如真珠散(《证治准绳》);若治眼目翳障初起,可与琥珀、熊胆、麝香、黄连等配伍,研极细,点眼,如珍珠散(《医学心悟》)。       
 
 4.口内诸疮,疮疡肿毒,溃久不敛。本品有清热解毒,生肌敛疮之功,用治口舌生疮,牙龈肿痛,咽喉溃烂等症,多与硼砂、青黛、冰片、黄连、人中白合用,共为细末,吹入患处,如珍宝散(《丹台玉案》);亦可用珍珠与牛黄共为末,如珠黄散(《全国中药成药处方集》);若治疮疡溃烂,久不收口者,可用本品配炉甘石、黄连、血竭、钟乳石等,令极细,调匀,外敷,如珍珠散(《张氏医通》)。      
 
  此外,本品亦可用治皮肤色斑。现多将本品用于化妆品中,以防治皮肤色素沉着,有润肤养颜之效。       
 
【用法用量】内服入丸、散用,0.1~0.3g。外用适量。       
 
【鉴别用药】珍珠与珍珠母来源同一动物体,均有镇心安神、清肝明目、退翳、敛疮之功效,均可用治心悸失眠、心神不宁及肝火上攻之目赤、翳障及湿疮溃烂等患。然珍珠重在镇惊安神,多用治心悸失眠、心神不宁、惊风、癫痫等证,且敛疮生肌力好;珍珠母重在平肝潜阳,多用治肝阳上亢、肝火上攻之眩晕,其安神、敛疮作用均不如珍珠,且无生肌之功。       
 
【古籍摘要】        1.《日华子本草》:“安心、明目。”       
 
2.《本草衍义》:“除小儿惊热。”       
 
3.《本草汇言》:“镇心,定志,安魂,解结毒,化恶疮,收内溃破烂。”       
 
【现代研究】        1.化学成分:本品主含碳酸钙,多种氨基酸,无机元素有锌、锰、铜、铁、镁、硒、锗等。尚含维生素B族、核酸等。       
 
2.药理作用:珍珠水解液可抑制小鼠自主活动,并有抑制脂褐素和清除自由基作用;珍珠粉提取物对小鼠肉瘤细胞、肺癌细胞均有显著的抑制作用;珍珠膏有促进创面愈合作用;珍珠粉有抗衰老、抗心律失常、及抗辐射等作用。       
 
3.临床研究:据报道,用珍珠粉外敷,治疗肿瘤病人化疗过程中导致口腔糜烂者20例,10天内全部治愈(四川中医,1988,4:封三);口服速效珍珠粉胶囊,有一定的降压及改善症状作用(湖南中医杂志,1995,3:8);用珍珠粉治疗手部软组织缺损,50例外伤皮肤缺损经换药,游离植皮后全部治愈(河北中医,1991,5:20)。
 
另有用珍珠等治疗糖尿病、十二指肠溃疡、子宫颈糜烂、梅核气等。

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