一、中草藥的采收適期采收中草藥,是提高中草藥的藥用價值、保證中草藥質量的關鍵。現根據各種中草藥材不同生長發育情況及供藥用的不同部位,將采收方法介紹如下:
1.以植物根和地下莖入藥的中草藥 yingzaiqiumodishangbufenkaishikuweizhihou,huozaochunzhiwushangweimengfazhiqianjinxingcaishou,zheshizhongcaoyaodeyaoyongjiazhizuigao。yinweizheduanshijian,zhiwutijitingzhishengchang,zhiwubenshendeyingyangwuzhidabufenjixuyugenhuojingzhong,suohandeyaoyongyouxiaochengfenjiaogao。runiuxi、黃芪、白術、當歸、黃連等,這個時間采收最佳。
2.yishupiruyaodezhongcaoyaozaichunxiazhijiancaishouzuishiyi。yinweizheshizhiwushengchangwangsheng,picengneiyangfenjiaoduo,tongshizhiwujiangyeyikaishiyidong,xingchengcengdexibaoxunsufenlie,picenghemuzhiburongyiboli,guapicaozuoyebijiaofangbian。rurougui、杜仲、厚樸、黃柏、五加皮等,都應在這時間采收。
3.以葉類及全草--入藥的中草藥 通tong常chang在zai花hua蕾lei即ji將jiang開kai放fang之zhi前qian采cai收shou最zui好hao。因yin為wei這zhe時shi植zhi株zhu健jian壯zhuang,葉ye片pian肥fei大da,營ying養yang充chong沛pei,含han有you效xiao藥yao用yong成cheng分fen高gao,正zheng是shi采cai集ji葉ye類lei中zhong草cao藥yao的de適shi宜yi時shi期qi。如ru大da青qing葉ye、薄荷、荊芥、木芙蓉、蘆薈等,都應在這時間采收。
4.以花入藥的中草藥 如金銀花、玫瑰花、菊花、洋金花、番紅花、辛夷、紅(hong)花(hua)等(deng),一(yi)般(ban)宜(yi)在(zai)蕾(lei)期(qi)或(huo)花(hua)朵(duo)剛(gang)開(kai)放(fang)時(shi)采(cai)摘(zhai)。要(yao)選(xuan)擇(ze)晴(qing)朗(lang)天(tian)氣(qi)於(yu)早(zao)晨(chen)或(huo)上(shang)午(wu)當(dang)花(hua)朵(duo)的(de)香(xiang)氣(qi)尚(shang)未(wei)散(san)失(shi)時(shi)采(cai)摘(zhai)。收(shou)後(hou)還(hai)應(ying)迅(xun)速(su)幹(gan)燥(zao),以(yi)保(bao)障(zhang)質(zhi)量(liang),防(fang)止(zhi)發(fa)生(sheng)漚(ou)花(hua)及(ji)爛(lan)花(hua),這(zhe)是(shi)很(hen)重(zhong)要(yao)的(de)。
5.以果實和種子入藥的中草藥 如瓜蔞、薏苡、山茱萸、枸杞、梔子、木瓜等。在果實成熟初期或將近完熟的時期應該及時收獲,防止因采收過遲而造成果實脫落、散失。二、zhongcaoyaodeganzaojiagongzhongcaoyaocaishouhou,douyingjinxingganzaojiagongchuli,caibianyuzhuzangheyunshu。duibutongzhiwuheyaoyongbuweideganzaojiagongdouyoubutongdeyaoqiu,jiyaoyouliyuzhuzangheyunshu,youyaobaozhengyouxiaochengfenbubeipohuai。zongdeyaoqiushi:幹燥後仍能保持其外觀、顏色、氣味和有效成分基本上沒有什麼變化。具體要求是:
①一般以植物的葉、花或全草人藥的品種,采收藥用部分後可用20℃-40℃的溫度進行幹燥;
②以樹皮及根部人藥的,因為中草藥的體積較大,可把幹燥溫度提高到30℃-65℃;
③處理含有揮發油的中草藥時溫度不宜過高。我國藥典規定,不應超過30℃,並應在緩慢加溫的條件下進行幹燥。把溫度調高到70℃左右快速處理,可保證大量的維生素不被破壞。常用幹燥的加工方法有三種:
1. 日曬幹燥法 cifajiandan,danshouqihouxianzhi,zaiduoyujijiehuogaowendiqubuyiyingyong,tongshiyouxieyeleizhongcaoyaohuohualeizhongcaoyao,zaiyangguangpushaixiarongyishiqutianranyanse,congerjiangdizhiliang,suoyichulixianyanyansedezhongcaoyaoshi,yijinliangbucaiyongrishaiganzaofaweihao。rishaiganzaofashiyongyuyiyi、杜仲、草決明、黃芪、丹皮等種子或根皮類中草藥。
2.室內陰幹法 就jiu是shi把ba中zhong草cao藥yao放fang置zhi在zai室shi內nei,在zai常chang溫wen下xia通tong風feng,促cu進jin藥yao中zhong含han有you的de水shui分fen自zi然ran蒸zheng發fa得de以yi幹gan燥zao。在zai室shi內nei,可ke設she置zhi棚peng架jia,以yi便bian於yu分fen層ceng擺bai放fang,另ling外wai屋wu頂ding應ying開kai放fang天tian窗chuang或huo安an裝zhuang通tong風feng排pai氣qi設she備bei,促cu使shi濕shi空kong氣qi迅xun速su排pai出chu。室shi內nei陰yin幹gan法fa適shi合he於yu荊jing芥jie、茉莉花、紫蘇、紅花等具有芳香氣味的葉類和花類中草藥的幹燥加工。
3.加熱幹燥法 jiushiyongrengongjiaredefangshi,jiangzhongcaoyaohongganhuokaogan。zhezhongfangfanenggoubushoutianqibianhuayingxiang,zaiduanshijianneiwanchengganzaochuliguocheng,bingqiekebaozhengganzaohoudezhongcaoyaonenggoudadaobiaozhunguidingdeyaoqiu,gedikeyindizhiyi,caiyongdianlijiare、太陽能加熱等方式進行幹燥加工。
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