补肾活血化痰方对多囊卵巢综合征模型大鼠的治疗作用机制研究

目的:考察补肾活血化痰方对多囊卵巢综合征(PCOS)模型大鼠的治疗作用机制。方法:将50只大鼠随机分为正常对照组、模型对照组、阳性对照组[罗格列酮,3.0 mg/(kg·d)]和补肾活血化痰方高、低剂量组[7.5、5.0 g/(kg·d)],每组10只。除正常对照组外,其余各组大鼠均采用Poresky法复制PCOS模型。造模后,正常对照组和模型对照组大鼠ig生理盐水,各给药组大鼠ig相应药液,每天1次,连续22 d。给药结束后,测定大鼠血清中睾酮(T)、抗苗勒氏管激素(AMH)、胰岛素样生长因子Ⅰ(IGF-Ⅰ)、肿瘤坏死因子α(TNF-α)水平和卵巢组织中转化生长因子β1(TGF-β_1)阳性表达情况。结果:与正常对照组比较,模型对照组大鼠血清中T、AMH、IGF-Ⅰ、TNF-α水平及卵巢组织中TGF-β_1阳性表达率均显著升高(P<0.05);与模型对照组比较,各给药组大鼠血清中T、AMH、IGF-Ⅰ、TNF-α水平及卵巢组织中TGF-β_1阳性表达率均显著降低(P<0.05),且补肾活血化痰方各剂量组指标优于阳性对照组(P<0.05)。结论:补肾活血化痰方能明显降低PCOS模型大鼠血清中T、AMH、IGF-Ⅰ、TNF-α水平以及卵巢组织中TGF-β_1阳性表达率,这可能是其治疗PCOS的作用机制之一。     

补肾调冲方对卵巢早衰大鼠性激素水平及TNF-α、IFN-γ蛋白表达的影响

目的 观察补肾调冲方对卵巢早衰模型大鼠血清促卵泡刺激素（FSH）、促黄体生成素（LH）、抗缪勒管激素（AMH）水平及卵巢组织肿瘤坏死因子-α（TNF-α）、干扰素-γ（IFN-γ）蛋白表达的影响。方法 60只SD雌性大鼠随机分为6组：对照组,模型组,补肾调冲方低、中、高剂量（以生药计24、12、6 g/kg）组,结合雌激素片（阳性药）组,每组10只。除对照组外,其余各组均ig雷公藤多苷片造模14 d,造模结束24 h后,给予相应药物治疗36 d。给药结束后,酶联免疫吸附（Elisa）法检测大鼠血清FSH、LH、AMH水平,免疫组化法检测卵巢组织TNF-α、IFN-γ蛋白表达。结果 与对照组比较,模型组血清FSH、LH水平、卵巢TNF-α、IFN-γ蛋白表达均显著升高,AMH水平显著降低（P<0.05）;与模型组比较,各给药组FSH、LH水平、卵巢TNF-α、IFN-γ蛋白表达均显著降低,AMH水平显著升高（P<0.01）。结论 补肾调冲方可提高卵巢早衰大鼠卵巢储备能力,抑制卵泡封闭及黄体细胞凋亡,对卵巢早衰可能有治疗作用。     

针药联合治疗肾虚肝郁型卵巢功能低下60例临床研究

目的 观察针药联合治疗肾虚肝郁型卵巢功能低下患者的治疗效果.方法 选择2014年10月至2015年9月在荔湾区中医院诊断为肾虚肝郁型卵巢功能低下患者60例,随机分为针药组和对照组,每组30例.针药组患者给予口服补肾调肝合剂联合针灸治疗,对照组给予口服补肾调肝合剂,两组均以3个月为1个疗程,观察2个疗程后两组患者取得的疗效.结果 治疗后两组患者的全身症状、症状积分均明显改善,两组患者血清卵泡刺激素(FSH)、血清雌二醇(E2)水平明显下降(P＜0.05)、抗苗勒氏管激素(AMH)水平明显升高(P＜0.05);且针药组的有效率、妊娠率、疗程及血清FSH、AMH改善情况明显优于对照组,差异有统计学意义(P＜0.05).结论补肾调肝合剂联合针灸能缩短疗程,明显减轻卵巢功能低下患者的身心痛苦,降低了血清卵泡刺激素水平,提高卵巢储备功能及临床妊娠率.     

补肾活血化痰汤对多囊卵巢综合征模型大鼠卵巢血供及形态的影响

目的:探讨补肾活血化痰汤对多囊卵巢综合征(PCOS)模型大鼠卵巢血供及形态的影响。方法:取SD大鼠(♀)50只随机分为正常对照组、模型组、阳性对照组[罗格列酮,3 mg/(kg·d)]和补肾活血化痰汤低、高剂量组[5.0、7.5 g/(kg·d)],每组10只。除正常对照组外,其余各组大鼠均采用Poresky法复制PCOS模型。成模后,各给药组大鼠ig相应药物,正常对照组和模型组大鼠ig生理盐水[10 m L/(kg·d)],每天1次,连续22 d。给药结束后处死大鼠,记录微血管密度(MVD),检测大鼠卵巢组织血管内皮生长因子(VEGF)、血管紧张素Ⅱ(AngⅡ)1型受体(AT1)和2型受体(AT2)以及G蛋白偶联受体MAS m RNA的表达,并观察卵巢形态变化。结果:与正常对照组比较,模型组和各给药组大鼠MVD均升高,AT1、AT2、MAS m RNA表达均下调(P<0.05);模型组大鼠卵巢组织可见囊性窦卵泡、颗粒细胞层减少,卵母细胞消失,黄体组织数量减少等明显病理变化。与模型组比较,各给药组上述指标均得到显著改善,且补肾活血化痰汤低、高剂量组作用均强于阳性对照组(P<0.05);各给药组大鼠的卵巢组织病理变化均得到一定改善。结论:补肾活血化痰汤可增加PCOS模型大鼠卵巢组织血供,促进血管生成,促排卵,有助于改善卵巢形态。     

补肾活血汤对多囊卵巢大鼠卵巢形态及颗粒细胞凋亡的影响

目的:观察中药补肾活血汤对多囊卵巢大鼠的治疗作用.初步探讨其作用机制.方法:以多囊卵巢大鼠病理模型为研究对象,运用光镜、放射免疫、免疫组化及末端脱氧核苷酸转移酶介导的dUTP缺口末端标记(TUNEL)技术,观察补肾活血汤对多囊卵巢大鼠内分泌、卵巢形态学、卵巢颗粒细胞凋亡的影响.结果:补肾活血汤能明显降低多囊卵巢大鼠血清睾酮水平,降低囊状扩张卵泡比例及卵巢凋亡颗粒细胞数.结论:补肾活血汤明显改善了多囊卵巢大鼠的高雄激素血症及卵巢形态学的异常,抑制多囊卵巢大鼠卵巢颗粒细胞凋亡.     

玛咖醇提取物对去卵巢大鼠内分泌激素及血脂水平的影响

目的:研究南美植物玛咖的醇提取物对去卵巢大鼠内分泌激素以及血脂水平的影响.方法:采用双侧卵巢切除术制备去卵巢大鼠模型,造模2周后大鼠灌胃给予玛咖醇提取物,剂量以干粉计分别为1.25和0.5 g·kg-1,qd,连续给药7个月.同时设假手术组、去卵巢模型组(均给予等体积的0.1%聚山梨酯'80)和阳性对照组(给予己烯雌酚0.05 mg·kg-1,隔日一次,连续灌胃7个月).给药3和7个月末测定大鼠血清内分泌激素雌二醇(E2)、睾丸酮(T)和卵泡刺激素(FSH)以及血脂水平.结果:与模型组比较,给药7个月后玛咖醇提取物高、低剂量组的血清FSH均显著降低(P<0.01),低剂量组的大鼠血清E2水平显著升高(P<0.01),但血清T值无显著改变.玛咖醇提取物对血清胆固醇水平具有一定的降低作用,血清三酰甘油在治疗中期呈现上升趋势,而在治疗末期又恢复正常.结论:玛咖醇提取物对去卵巢大鼠内分泌失调具有一定的改善作用.     

观察中药补肾活血方对青春期多囊卵巢综合征内分泌激素的影响

目的观察中药补肾活血方对青春期多囊卵巢综合征内分泌激素的影响。方法 2015年1月~2016年12月,共40例中药治疗的青春期多囊卵巢综合征患者,另外选取同期西药治疗的青春期多囊卵巢综合征患者作为对照组,一共40例,对照组采取西药疗法,观察组采取中药补肾活血方。对比两组患者的血清CA125水平、性激素水平、内分泌糖代谢指标、血脂指标水平。结果 (1)观察组治疗后血清CA125水平低于对照组且低于治疗前(P<0.05)。(2)观察组治疗后E2水平、FSH水平、LH水平和T水平低于对照组且低于治疗前(P<0.05)。(3)观察组治疗后FIN水平、FBG水平、INSAUC水平低于对照组且低于治疗前(P<0.05)。(4)观察组治疗后TC水平、TG水平、LDL低于对照组且低于治疗前(P<0.05)。结论中药补肾活血方对青春期多囊卵巢综合征患者的内分泌激素具有显著的改善效果,具有一定的临床应用价值。     

妇血康颗粒的促排卵作用

目的:研究妇血康颗粒促排卵作用。方法:40只未成年雌性Wistar大鼠随机均分为正常对照(等容生理盐水)组、己烯雌酚(1 mg/kg)组与妇血康高、低剂量(0.4、0.1 g/kg)组,灌胃给药,每天1次,连续14 d。末次给药1 h后,检测大鼠血清黄体生成素(LH)、孕激素(P)、雌二醇(E2)和促卵泡激素(FSH)的分泌量;计算大鼠卵泡数;对大鼠子宫、卵巢组织进行病理切片观察。结果:与正常对照组比较,妇血康高、低剂量组大鼠血清LH活性增强,P含量减少,卵泡成熟总数增加,大鼠卵巢组织状态明显改善,差异有统计学意义(P<0.05),且大鼠子宫变化不大;妇血康高剂量组大鼠血清E2含量减少,差异有统计学意义(P<0.05);妇血康低剂量组大鼠血清FSH含量减少,差异有统计学意义(P<0.05)。结论:妇血康颗粒可调节大鼠下丘脑-垂体-卵巢(HPO)轴的功能,促进卵泡发育成熟和排卵。     

葛根提取物对去卵巢大鼠血液指标的影响

目的研究葛根提取物对去卵巢大鼠血液指标的影响,探讨葛根提取物治疗骨质疏松的药理作用。方法将120只成年雌性大鼠随机分成6组,采用去卵巢大鼠模型,分为葛根提取物剂量组(高、中、低剂量),同时设立假手术组、去卵巢对照组和雌激素对照组。手术1个月后给药,连续给药3个月,末次给药后,禁食24h,所有动物眶静脉取血,测定血清雌二醇(E2)、骨钙素(BGP)、血钙、血磷、血清碱性磷酸酶(ALP)、血清抗酒石酸酸性磷酸酶的含量。结果大鼠去卵巢后,血清雌二醇减少,骨钙素水平升高,血钙、血磷水平均降低,血清碱性磷酸酶和抗酒石酸酸性磷酸酶含量增加。结论葛根提取物可改善去卵巢大鼠的血液生化、免疫学指标,具有对抗去卵巢导致的骨质疏松的作用。     

补肾调肝方抗卵巢衰老的作用机制的研究

目的探讨大鼠卵巢自初始发育至衰老过程中卵巢颗粒细胞及其细胞因子的变化规律及补肾调肝方药干预影响,以期为补肾调肝方药抗卵巢衰老的作用机制研究提供理论依据。方法分别选取3月、6月、12月、18月、24月龄Wistar大鼠模拟其青春前期、青春期、性成熟期、近绝经期、老年期的生长发育过程;各月龄大鼠均设立干预组和对照组,干预组以补肾调肝方灌胃干预20ml/（kg·d）,对照组灌以同等剂量的无菌饮用水。以常规TUNEL染色法观察各组大鼠卵巢颗粒细胞状态,计算凋亡指数（AI）;并以RT-PCR对颗粒细胞促凋亡因子Bax及凋亡抑制因子Bcl-2的mRNA表达进行半定量分析。通过各月龄组之间的对比观察卵巢颗粒细胞及其细胞因子的变化规律,并通过干预组和对照组之间的对比对补肾调肝方药抗卵巢衰老的相关机制做相应探讨。结果 AI：对照组3、6、12月龄大鼠的AI均处于较低,18、24月龄大鼠AI均显著升高（P〈0.05）;与对照组相比,研究组大鼠各月龄AI均显著降低（P〈0.05）。Bax：对照组3、6、12月龄大鼠的BaxmRNA表达处于较低水平,18、24月龄显著升高（P〈0.05）;与对照组相比,干预组各月龄大鼠BaxmRNA表达均显著降低（P〈0.05）。Bcl-2：对照组3、6、12月龄大鼠Bcl-2mRNA表达处于较高水平,18、24月龄显著降低（P〈0.05）;与对照组相比,干预组各月龄大鼠Bcl-2mRNA表达均显著升高（P〈0.05）。结论凋亡抑制因子Bcl-2mRNA低表达及促凋亡因子BaxmRNA高表达所启动的颗粒细胞调亡过程可能为卵巢衰老的重要机制之一;补肾调肝方药可通过上调Bcl-2mRNA表达与下调BaxmRNA表达抑制卵巢颗粒细胞的调亡,可能为其抗卵巢衰老的作用机制之一。     

Metabolism and hepatotoxicity of N,N-dimethylformamide,N-hydroxymethyl-N-methylformamide,and N-methylformamide in the rat

The metabolism and hepatotoxicity ofN,N-dimethylformamide (DMF) and two of its metabolites,N-hydroxymethyl-N-methylformamide (HMMF) andN-methylformamide (NMF) were evaluated over a 4-day period in rats. DMF toxicity was dose dependent and delayed toxicity after the administration of a high DMF dose (13.7 mmol/kg) in comparison to a lower dose (4.1 mmol/kg) was observed. Treatment of rats with 13.7 mmol/kg DMF, HMMF, or NMF showed i) that DMF is more toxic than HMMF or NMR, and ii) that hepatotoxicity occurs later for DMF than for HMMF or NMF. Analysis of serum and urine samples demonstrated that DMF is first metabolized to HMMF, which is then partially converted to NMF. After HMMF administration, NMF was found both in serum and in urine. The time course of DMF and HMMF toxicity in relation to NMF formation fitted the hypothesis that the hepatotoxicity of DMF and HMMF is mediated via NMF. The degree of hepatotoxicity after HMMF and NMF treatment is similar. However, the degree of DMF hepatotoxicity is much higher than in the case of NMF or HMMF. The role of NMF as an obligatory intermediate in DMF and HMMF hepatotoxicity is discussed.     

Homocysteinemia,hypertension, and family history of diabetes in a smoking male population in Saudi Arabia

Arabs have a lower incidence of atherosclerosis than other ethnicities, but few studies have examined homocysteine (HCYS) as a risk factor for cardiovascular disease in this population. Here, we investigated the association between serum HYCS levels and risk factors for cardiovascular disease (smoking, hypertension, and family history of diabetes) in Saudi males. A total of 50 smokers and 72 nonsmokers completed a general health questionnaire. In addition, their lipid profiles were measured using routine methods and HCYS levels by high-performance liquid chromatograph with electrochemical detection. Regression analysis showed negative associations between HCYS and glucose (r = −0.22; P < 0.05) as well as family history of diabetes (r = −0.21; P < 0.05). HCYS levels were similar between hypertensive and nonhypertensive smokers, but they were significantly elevated in hypertensive nonsmokers (P = 0.027) and lower in smokers with family history of diabetes (P = 0.01). Levels of HCYS among nonsmokers inversely correlated with history of diabetes and elevated glucose. Nonsmokers’ HCYS levels were significantly elevated in the presence of hypertension and correlated with diastolic blood pressure. Thus, HCYS may be a predictor of hypertension among nonsmokers. Until further trials are conducted, we recommend vitamin B6/folic acid supplementation for the Saudi hypertensive population as an adjuvant therapy.     

Effect of bay K 8644, a calcium channel agonist,on dog cardiac muscarinic receptors

To investigate further whether the effects of the dihydropyridine (DHP) drugs on calcium channels are related to those of these drugs on muscarinic receptors, the binding characteristics of the DHP calcium channel agonist, Bay K 8644, on muscarinic receptors and calcium channels were compared to those of the DHP calcium channel antagonists, nicardipine and nimodipine in the dog cardiac sarcolemma. Bay K 8644, nicardipine and nimodipine inhibited the specific [³H]QNB binding with K _i values of 16.7μM, 3.5μM and 15.5μM respectively. Saturation data of [³H]QNB binding in the presence of these DHP drugs showed this inhibition to be competitive. Bay K 8644, like nicardipine and nimodipine, blocked the binding of [³H]nitrendipine to the high affinity DHP binding sites, but atropine did not, indicating that the muscarinic receptors and the DHP binding sites on calcium channels are distinct. The K _i value of Bay K 8644 for the DHP binding sites was 4 nM. Nicardipine and nimodipine (K _i :0.1–0.2 nM) were at least 20 times more potent than Bay K 8644 in inhibiting [³H]nitrendipine binding. Thus, the muscarinic receptors were about 4000 times less sensitive than these high affinity DHP binding sites to Bay K 8644. These results suggest that the DHP calcium agonist Bay K 8644 binds directly to the muscarinic receptors but its interaction with the muscarinic receptors is not related to its binding to the DHP binding sites on calcium channels.     

Chronic Effects of an Insecticide, Fenobucarb, on the Larvae of Two Mayflies, Epeorus latifolium and Baetis thermicus, in Model Streams

Effects of the insecticide fenobucarb on 2 mayfly species, Epeorus latifolium and Baetis thermicus, were examined in indoor model streams. Aqueous concentrations of fenobucarb residues in the model streams were 69–71% of its nominal level until 24 h, except at low concentrations (less than 2 g l^–1 in the water) in the water. Chronic effects of fenobucarb on the growth and emergence of Ephemeropteran larvae were examined over 2 months. For concentrations of 1 and 2 g l^–1, the numbers of individuals of the third larval growth stage (average head width 3.0 mm) gradually decreased up to 20 days after the applications; the number of emergent individuals also remained 20 to 25 by the end of the experiment. The number of individuals to emerge at 1 to 2 g l^–1 fenobucarb was restricted in the long-term experiment. These results suggest that fenobucarb affects the emergence of this species through disruption of the endocrine system. On the other hand, the number of emergent individuals of B. thermicus at low concentrations of fenobucarb was not significantly less than that in the control.     

Anti-acne activities of pulsaquinone, hydropulsaquinone, and structurally related 1, 4-quinone derivatives

Quinone type compound, pulsaquinone 1, isolated from the aqueous ethanol extract of the roots of Pulsatilla koreana exhibited antimicrobial activities against an anaerobic non-spore-forming gram-positive bacillus, Propionibacterium acnes, which is related with the pathogenesis of the inflamed lesions in a common skin disease, acne vulgaris. Compound 1 was unstable on standing and thus converted to more stable compound 2, namely hydropulsaquinone by hydrogenation, whose activity was comparable to mother compound 1 (MIC for 1 and 2 against P. acnes: 2.0 and 4.0 μg/mL, respectively). Other structurally-related quinone derivatives (3–13) were also tested for structure-activity relationship against anaerobic and aerobic bacteria, and fungi. The antimicrobial activity was fairly good when the quinone moiety was fused with a nonpolar 6- or 7-membered ring on the right side whether or not conjugated (1,4-naphtoquinone derivatives 3–5), while simple quinone compounds 6–9 showed poor activity. It seems that the methoxy groups at the left side of the quinone function deliver no considerable antimicrobial effect.     

自旋探针α-苯基-N-4-丁基硝酮纳米粒的制备及其对肝肿瘤细胞的亲和性研究

采用薄膜分散-超声法制备、优化自旋捕捉剂α-苯基-N-4-丁基硝酮(N-tert-butyl-α-phenylnitrone，PBN)脂质体，并研究其相关性质。以人肝肿瘤细胞SMMC-7721为实验对象，采用反相高效液相法(RP-HPLC)测定细胞内PBN的浓度，以此评价PBN脂质体对细胞的亲和性；考察了PBN脂质体对细胞生长的影响。结果显示，采用正交设计优化得到PBN脂质体的平均粒径137.5 nm，包封率71.52%，多分散系数0.286。PBN脂质体可稳定进入癌细胞内，同游离的PBN相比，PBN脂质体对肝肿瘤细胞更具亲和性，转染后癌细胞坏死率更高。表明自旋捕捉剂脂质体对肝肿瘤细胞具有较好的亲和性并能明显抑制其生长。为研究肿瘤自旋靶向性干预提供了实验依据。     

人参的词源学、生药学、产品及市场的现代评价

随着对人参研究的日益深入,人参产品的价值愈加为人们所认识,更多的含人参的药物被开发、应用于临床.一些国家和地区对人参生产、市场及有关法规做出相应的调整或更新.在参阅大量文献的基础上,对近年来有关人参词源学、生药学(包括植物来源、药材性状、化学性质、种属鉴定)、种植与加工对活性成分的影响、国际市场及相关法规等方面研究进行...     

Human,Rat, and Mouse Metabolism of Resveratrol

Purpose. Resveratrol, a phenolic phytoalexin occurring in grapes, wine, peanuts, and cranberries, has been reported to have anticarcinogenic, antioxidative, phytoestrogenic, and cardioprotective activities. Because little is known about the metabolism of this potentially important compound, the in vitro and in vivo metabolism of trans-resveratrol were investigated. Methods. The in vitro experiments included incubation with human liver microsomes, human hepatocytes, and rat hepatocytes and the in vivo studies included oral or intraperitoneal administration of resveratrol to rats and mice. Methanol extracts of rat urine, mouse serum, human hepatocytes, rat hepatocytes, and human liver microsomes were analyzed for resveratrol metabolites using reversed-phase high-performance liquid chromatography with on-line ultraviolet-photodiode array detection and mass spectrometric detection (LC-DAD-MS and LC-UV-MS-MS). UV-photodiode array analysis facilitated the identification of cis- and trans-isomers of resveratrol and its metabolites. Negative ion electrospray mass spectrometric analysis provided molecular weight confirmation of resveratrol metabolites and tandem mass spectrometry allowed structural information to be obtained. Results. No resveratrol metabolites were detected in the microsomal incubations, and no phase I metabolites, such as oxidations, reductions, or hydrolyzes, were observed in any samples. However, abundant trans-resveratrol-3-O-glucuronide and trans-resveratrol-3-sulfate were identified in rat urine, mouse serum, and incubations with rat and human hepatocytes. Incubation with -glucuronidase and sulfatase to release free resveratrol was used to confirm the structures of these conjugates. Only trace amounts of cis-resveratrol were detected, indicating that isomerization was not an important factor in the metabolism and elimination of resveratrol. Conclusion. Our results indicate that trans-resveratrol-3-O-glucuronide and trans-resveratrol-3-sulfate are the most abundant metabolites of resveratrol. Virtually no unconjugated resveratrol was detected in urine or serum samples, which might have implications regarding the significance of in vitro studies that used only unconjugated resveratrol.     

消风止痒颗粒中毛蕊花糖苷、焦地黄苯乙醇苷B1、升麻素苷、升麻素、5-O-甲基维斯阿米醇苷、亥茅酚苷、苍术素醇、白术内酯Ⅱ和苍术素的HPLC法测定及其化学计量学综合评价

目的建立HPLC法同时测定消风止痒颗粒中毛蕊花糖苷、焦地黄苯乙醇苷B1、升麻素苷、升麻素、5-O-甲基维斯阿米醇苷、亥茅酚苷、苍术素醇、白术内酯Ⅱ和苍术素,并采用化学计量学方法对检测结果进行综合评价。方法采用Agilent Zorbax SB-C18色谱柱(250 mm×4.6 mm,5μm);以乙腈-0.2%磷酸溶液为流动相,梯度洗脱;检测波长:330 nm(0~14 min检测毛蕊花糖苷和焦地黄苯乙醇苷B1)、254 nm(14~31 min检测升麻素苷、升麻素、5-O-甲基维斯阿米醇苷和亥茅酚苷)、270 nm(31~55 min检测苍术素醇、白术内酯Ⅱ和苍术素);体积流量0.9 mL/min;柱温25℃;进样量10μL。采用SPSS26.0统计软件对消风止痒颗粒中9种成分进行聚类分析和主成分分析。结果毛蕊花糖苷、焦地黄苯乙醇苷B1、升麻素苷、升麻素、5-O-甲基维斯阿米醇苷、亥茅酚苷、苍术素醇、白术内酯Ⅱ和苍术素分别在2.53~63.25、1.09~27.25、8.17~204.25、2.38~59.50、4.07~101.75、1.74~43.50、0.66~16.50、1.47~36.75、2.86~71.50μg/m L线性关系良好;平均回收率分别为99.01%、98.17%、100.13%、97.63%、98.72%、97.22%、96.93%、99.24%、100.01%,RSD值分别为1.42%、1.26%、0.72%、1.55%、0.84%、1.06%、1.18%、0.67%、0.95%;11批样品聚类分析为3类,主成分1~3是影响消风止痒颗粒质量评价的主要因子。结论该方法操作简便、重复性好,可作为消风止痒颗粒中多指标成分质量评价模式。     

中药败酱草的形态组织学研究——Ⅲ.菊科苦苣菜属、莴苣属和苦荬菜属植物

本文报道我国北方使用的来源于菊科植物的中药败酱草的生药形态组织学的研究结果,它们是:苣荬菜Sonchus arvensis L.S.、苦苣菜oleraceus L.圆耳苦苣菜S.asper (L.)Hill.紫花山莴苣Lactuca tatarica(L.)C.A.Mey.、中华苦荬菜Ixeris ccinensis(Thunb.)Nakai、抱茎苦荬菜I.sonchifolia Hance和苦荬菜I.denticulata(Houtt.)Stebb..文中附有生药组织图7幅以及上述生药的性状检索表和显微特征检索表.