Aqueous extract

水提取物
  • 文章类型: Journal Article
    背景:Schumanniophytonmagnicum是一种药用植物,用于治疗包括疟疾在内的许多疾病,皮肤病,寄生虫感染,男性性功能障碍,女性不孕和伤寒。然而,喀麦隆的“巴卡”俾格米人没有对其民俗用途进行科学调查。
    目的:研究雄鼠熊果根水提物的壮阳和雄性激素活性,并通过UHPLC/MS分析植物成分。
    方法:将25只16周龄雄性大鼠分为5组,用蒸馏水(10ml/kg)口服30天,或枸橼酸西地那非(5mg/kg),或舒曼尼坦的水提取物(43毫克/千克,86mg/kg和172mg/kg)。通过将雄性大鼠与接受性雌性配对,在第1天和第30天监测性行为参数。实验结束时,处死大鼠,收集血液和生殖器官进行组织学切片,精子分析和生化分析。UHPLC/MS揭示了植物成分及其结构的存在。
    结果:植物提取物显著增加了坐骑,与正常对照组相比,射精和射入频率;与正常对照组相比,血清睾酮水平显着提高了一倍(2.15±0.70ng/ml)。舒马尼磷的水提物的UHPLC/MS鉴定了7个主要化合物,例如舒马尼磷A,Noreugenin和Rohitukine,具有抗氧化和抗菌活性。植物提取物显着提高了阴茎一氧化氮水平(P=0.05)。这些结果与施用柠檬酸西地那非后获得的结果相似。
    结论:舒马尼霉素的水提物可能是治疗勃起功能障碍的一种替代方法。
    BACKGROUND: Schumanniophyton magnificum is a medicinal plant used to manage many ailments including malaria, skin diseases, parasitic infections, male sexual dysfunctions, female infertility and typhoid fever. However, no scientific investigation has been made for its folkloric use by the \"Baka\" Pygmies of Cameroon as an aphrodisiac.
    OBJECTIVE: To investigate the aphrodisiac and androgenic activities of the aqueous extract of the roots of Schumanniophyton magnificum in male rats and analyze the phytoconstituents by UHPLC/MS.
    METHODS: Twenty-five male rats of 16-weeks old were divided into 5 groups and orally treated for 30 days with distilled water (10 ml/kg), or sildenafil citrate (5 mg/kg), or the aqueous extract of Schumanniophyton magnificum (43 mg/kg, 86 mg/kg and 172 mg/kg). The sexual behaviour parameters were monitored on day 1 and 30 by pairing male rats to receptive females. At the end of the experiment, rats were killed and the blood and reproductive organs were collected for histological sectioning, sperm analysis and biochemical analysis. The presence of phytoconstituents and their structures were revealed by UHPLC/MS.
    RESULTS: The plant extract significantly increased the mount, ejaculation and intromission frequencies in comparison to those in the normal control group; and significantly doubled the serum testosterone levels (2.15 ± 0.70 ng/ml) compared to the normal control group. UHPLC/MS of the aqueous extract of Schumanniophyton magnificum identified 7 major compounds such as Schumanniofioside A, Noreugenin and Rohitukine, with antioxidant and antibacterial activities. The plant extracts significantly increased the penile nitric oxide levels (P <0.05). These results were similar to those obtained after administration of sildenafil citrate.
    CONCLUSIONS: The aqueous extract of Schumanniophyton magnificum could be an alternative for erectile dysfunction management.
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  • 文章类型: Journal Article
    背景:特发性肺纤维化(IPF)是一种持续性和晚期的肺部疾病。先天免疫和适应性免疫的作用在IPF的进化中至关重要。上皮细胞和免疫细胞之间失调的相互作用负责启动上皮-间质转化(EMT)过程并维持慢性炎症,从而促进纤维化进展。IPF发病机制的复杂性阻碍了有效药物的可用性。象形龙疮Linn.(ESL)是一种具有显著免疫调节作用的中药,并且其水性提取物已被证明可减轻博来霉素(BLM)诱导的小鼠的IPF症状。然而,ESL缓解IPF的潜在机制尚不清楚.
    目的:验证ESL是否通过介导免疫应答和EMT逆转IPF。
    方法:超高效液相色谱-四极杆飞行时间质谱(UPLC-Q-TOF-MS/MS)和UPLC用于鉴定成分并确定ESL中特定化合物的浓度。网络药理学和分子对接被用来预测ESL抗IPF作用的潜在机制。BLM诱导的IPF小鼠用于验证ESL的抗IPF作用。收集肺组织以通过免疫组织化学(ICH)测试参与炎症和EMT的推定途径,实时定量聚合酶链反应(RT-qPCR)和蛋白质印迹。
    结果:鉴定出61种化合物,在ESL中定量了13种主要成分。在计算机模拟实验中预测,IPF介导的ESL逆转不良反应将与Toll样受体4(TLR4)/核因子-k基因结合(NF-κB)炎症途径的中断和转化生长因子-β1(TGF-β1)/磷酸肌醇3激酶(PI3K)/蛋白激酶B(Akt)/叉头O3盒(FOXO3a)纤维化途径。体内实验表明,ESL通过减少中性粒细胞聚集和成纤维细胞病灶来减轻BLM诱导的肺部炎症和纤维化,与阳性对照药物吡非尼酮(PFD)的效果相似。ESL显著抑制TNF-α的转录,IL-1β,和IL-6,它们是NF-κB信号通路的下游基因。此外,对ESL治疗的反应,TLR4和p-NF-κB的蛋白水平受到相应抑制.此外,ESL逆转了BLM诱导的EMT相关生物学特性指标表达的变化(胶原蛋白I[COLIA1],E-cadherin,和α平滑肌肌动蛋白[α-SMA])在信使核糖核酸(mRNA)水平,并显着抑制EMT相关上游蛋白的表达(TGF-β1,p-PI3K,p-Akt,和p-FOXO3a)。
    结论:我们的研究表明,ESL通过TGF-β1/PI3K/Akt/FOXO3a信号通路介导EMT过程,通过TLR4/NF-κB信号通路抑制炎症,减轻BLM诱导的IPF,强调ESL可以作为缓解IPF中异常免疫反应和逆转EMT的免疫调节剂。
    BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a persistent and advanced pulmonary ailment. The roles of innate immunity and adaptive immunity are pivotal in the evolution of IPF. An ill-adjusted interaction between epithelial cells and immune cells is responsible for initiating the epithelial-mesenchymal transition (EMT) process and sustaining chronic inflammation, thereby fostering fibrosis progression. The intricacy of IPF pathogenesis has hindered the availability of efficacious agents. Elephantopus scaber Linn. (ESL) is a canonical Chinese medicine with significant immunoregulatory effects, and its aqueous extract has been proven to attenuate IPF symptoms in bleomycin (BLM)-induced mice. However, the underlying mechanism through which ESL relieves IPF remains unclear.
    OBJECTIVE: To validate whether ESL reverses IPF by mediating the immune response and EMT.
    METHODS: Ultra-performance liquid chromatography with quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS/MS) and UPLC were used to identify the components and determine the concentrations of the specific compounds in the ESL. Network pharmacology and molecular docking were applied to predict the potential mechanism underlying the anti-IPF effect of ESL. BLM-induced IPF mice were used to validate the anti-IPF effect of ESL, and lung tissue was collected to test putative pathways involved in inflammation and EMT via immunohistochemistry (ICH), real-time quantitative polymerase chain reaction (RT-qPCR) and Western blotting.
    RESULTS: Sixty-one compounds were identified, and thirteen main ingredients were quantified in the ESL. In silico experiments predicted that the IPF-mediated reversal of adverse effects by ESL would be related to interruption of the Toll-like receptor 4 (TLR4)/nuclear factor-k-gene binding (NF-ĸB) inflammatory pathway and the transforming growth factor-beta l (TGF-β1)/phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt)/forkhead box O3 (FOXO3a) fibrosis pathway. In vivo experiments showed that ESL alleviates BLM-induced lung inflammation and fibrosis by reducing neutrophil aggregation and fibroblast foci, similar to the effects of the positive control drug pirfenidone (PFD). ESL markedly inhibited the transcription of TNF-α, IL-1β, and IL-6, which are downstream genes of the NF-κB signaling pathway. Furthermore, the protein levels of TLR4 and p-NF-κB were correspondingly inhibited in response to ESL treatment. Additionally, ESL reverses BLM-induced changes in the expression of EMT-related biological characteristic indicators (collagen I [COLIA1], E-cadherin, and alpha smooth muscle actin [α-SMA]) at the messenger ribonucleic acid (mRNA) level and markedly inhibits the expression of EMT-related upstream proteins (TGF-β1, p-PI3K, p-Akt, and p-FOXO3a).
    CONCLUSIONS: Our research suggested that ESL attenuates BLM-induced IPF through mediating the EMT process via the TGF-β1/PI3K/Akt/FOXO3a signaling pathway and inhibiting inflammation through the TLR4/NF-κB signaling pathway, highlighting that ESL can serve as an immunoregulator for relieving the abnormal immune response and reversing the EMT in IPF.
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  • 文章类型: Journal Article
    这项工作的目的是研究从不同副产品获得的水提物的抗氧化潜力。将这些提取物的有效性与迷迭香提取物的有效性进行比较。总酚类胡萝卜素和维生素C含量,以及体外抗氧化活性,被评估。苯酚含量与提取物的体外抗氧化活性呈正相关,而类胡萝卜素显示出不太清楚的关系。维生素C与柠檬和胡椒渣提取物的抗氧化活性有关。橄榄提取物,葡萄,和柠檬副产品显示出最高的抗氧化活性(自由基清除活性),这与迷迭香提取物的活性相似。此外,对提取物的酚类成分进行了分析,揭示不同的酚类化合物。迷迭香提取物含有最高种类和数量的酚类化合物,橄榄果渣提取物富含羟基酪醇和4-羟基苯甲酸。柠檬和胡椒提取物含有大量酪醇,番茄提取物含有丰富的表儿茶素。PCA分析根据体外抗氧化活性区分提取物,苯酚,类胡萝卜素,和维生素C含量,以及他们的酚类化合物概况。这项研究强调了水提取物副产品作为抗氧化剂的宝贵来源的能力,并强调了了解其生物活性成分的重要性。
    The aim of this work was to study the antioxidant potential of aqueous extracts obtained from different by-products. The effectiveness of these extracts was compared with that of rosemary extract. Total phenol carotenoid and vitamin C contents, as well as in vitro antioxidant activity, were assessed. Phenol content was positively correlated with in vitro antioxidant activity in extracts, while carotenoids showed a less clear relationship. Vitamin C was associated with antioxidant activity in lemon and pepper pomace extracts. Extracts from olive, grape, and lemon by-products displayed the highest antioxidant activity (radical scavenging activity), this being similar to the activity of rosemary extracts. Moreover, the phenolic profile of the extracts was analyzed, revealing diverse phenolic compounds. Rosemary extracts contained the highest variety and quantity of phenolic compounds, while olive pomace extracts were rich in hydroxytyrosol and 4-hydroxybenzoic acid. Lemon and pepper extracts contained high amounts of tyrosol, and tomato extracts had abundant epicatechin. The PCA analysis distinguished extracts based on in vitro antioxidant activity, phenol, carotenoid, and vitamin C content, along with their phenolic compound profiles. This study emphasizes the capacity of aqueous extract by-products as valuable sources of antioxidants and highlights the importance of understanding their bioactive components.
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  • 文章类型: Journal Article
    秋季粘虫(SpodopterafrugiperdaSmith)是一种侵入性和多食性害虫。对玉米作物构成重大威胁,不受控制的侵扰可导致100%的损失。然而,天敌在调节这种害虫的种群中起着至关重要的作用。此外,植物源提取物有可能成为有效的杀虫剂。该研究的目的是调查Gurage区的S.frugiperda的天敌,并比较印尼树种子和叶水提取物与S.frugiperda幼虫的功效,埃塞俄比亚中部。美国frugiperda幼虫和卵团,从出没的迷宫农场收集的茧和幼虫尸体。从每个回合收集中,对25只健康和不活跃的幼虫进行采样,直到成年。观察到的捕食者物种记录。在实验室条件下测试了印em种子和叶的水性提取物对S.frugiperda的影响。该研究发现了与S.frugiperda相关的各种天敌,包括寄生虫,捕食者,和昆虫病原真菌。三种寄生虫(Exoristaxanthaspis,Tachinaspp.,和Charopsannulipes)首次在埃塞俄比亚被记录在案。捕食性昆虫属于四个不同的顺序:半翅目,Dermaptera,鞘翅目,曼托迪亚也确认了身份。特别是,在受S.frugiperda感染的玉米农场中观察到各种半翅目动物。在印本植物种子和叶的水提物方面,他们在72小时后表现出相似的Frugiperda幼虫死亡率,尽管在24小时和48小时观察到差异。为了有效管理S.frugiperda,需要更多的研究来充分利用天敌和植物源杀虫剂的潜力。
    The fall armyworm (Spodoptera frugiperda Smith) is an invasive and polyphagous insect pest. It poses a significant threat to maize crops, uncontrolled infestation can result 100 % loss. However, natural enemies play a vital role in regulating the population of this pest. Additionally, botanical sources extracts have the potential to be effective insecticides. The objectives of the study were to investigate the natural enemies of S. frugiperda in the Gurage zone and to compare efficacy of Neem seed and leaf aqueous extracts with S. frugiperda larvae, central Ethiopia. S. frugiperda larvae and egg masses, cocoons and larvae cadavers collected from infested maze farms. From each round collection 25 healthy and inactive larvae were sampled to rear until emerging adults. Observed predator species recorded. Neem seed and leaf aqueous extracts was tested against S. frugiperda in laboratory condition. The study found a diverse range of natural enemies associated with S. frugiperda, including parasitoids, predators, and entomopathogenic fungi. Three species of parasitoids (Exorista xanthaspis, Tachina spp., and Charops annulipes) were documented in Ethiopia for the first time. Predatory insects belonging to four distinct orders: Hemiptera, Dermaptera, Coleoptera, and Mantodea also identified. In particular, various Hemipterans were observed in the maize farms infested with S. frugiperda. In terms of Neem seed and leaf aqueous extracts, they demonstrated similar mortality rates for S. frugiperda larvae after 72 h, although differences were observed at 24 and 48 h. For effective management of S. frugiperda, more research is needed to fully exploit the potential of natural enemies and botanical source insecticides.
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  • 文章类型: Journal Article
    本研究旨在评估入侵杂草Ageratina腺样体叶提取物对本地树种子萌发和幼苗发育效率的化感潜力[即。白三叶树(橡树)和刺山松。(松树)]和作物[(小麦(小麦)和柳叶刀。(扁豆)]Kumaun喜马拉雅的物种。盆栽实验是在植物学部的温室里进行的,D.S.B.校园,KumaunUniversityNainital,采用三种治疗的完全随机区组设计(CRBD)(C1-25%,C2-50%,和C3-100%的含水叶提取物)和一个对照,每个有五个重复。对于树种,该实验持续了一年,并持续到农作物的种子成熟期。种子发芽率等参数,根和芽测量,生物量,并相应记录了作物生产力性状。我们的生物测定结果表明,叶提取物对所选天然物种的测量性状的抑制作用与所应用的A.adenophora提取物浓度成正比。总的来说,与小麦和松树相比,作物中的小扁豆和树种中的橡树表现出更大的抑制作用,分别。在最高浓度下,减少44%,34%,36%,小麦的生物量生产能力为24%,扁豆,松树,橡木,分别,而小麦和小扁豆的生产率下降了33%和45%,分别。这些结果表明,紫草产生的水溶性化感物质可能会阻碍该杂草入侵的农业生态系统和森林生态系统中选定的作物和树种的建立。然而,需要进一步研究植物化学物质的特性及其在种子萌发和生长中的特定作用。此外,可以探索A的化感潜力,用于制备生物农药和自然友好的选择,以改善土壤健康,作物生产力,并减少环境污染和这种入侵杂草的管理。
    The present study was designed to assess the allelopathic potential of invasive weed Ageratina adenophora leaf extracts on seed germination and seedling development efficiency of native tree [viz. Quercus leucotrichophora A. Camus (Oak) and Pinus roxburghii Sarg. (Pine)] and crop [(Triticum aestivum L. (Wheat) and Lens culinaris Medik. (Lentil)] species of Kumaun Himalaya. Pot experiments were conducted in the glasshouse of the Botany Department, D.S.B. Campus, Kumaun University Nainital, following a Completely Randomized Block Design (CRBD) with three treatments (C1-25%, C2-50%, and C3-100% of aqueous leaf extract) and one control, each with five replicates. The experiment lasted one year for tree species and continued until the seed maturation phase for crop species. Parameters such as seed germination proportion, root and shoot measurements, biomass, and crop productivity traits were recorded accordingly. Our bioassay results indicated that the inhibitory effect of leaf extracts on the measured traits of the selected native species was proportional to the applied extract concentrations of A. adenophora. Overall, lentil among crops and oak among tree species exhibited more inhibition compared to wheat and pine, respectively. At the highest concentration, reductions of 44%, 34%, 36%, and 24% in biomass production capacity were recorded for wheat, lentil, pine, and oak, respectively, while wheat and lentil productivity decreased by up to 33% and 45%, respectively. These results suggest that water-soluble allelochemicals produced by A. adenophora may impede the establishment of selected crop and tree species in agroecosystems and forest ecosystems invaded by this weed species. However, further studies on the characterization of phytochemicals and their specific role in seed germination and growth are warranted. Furthermore, the allelopathic potential of A. adenophora can be explored for the preparation of biopesticides and nature-friendly option to improve soil health, crop productivity, and reduce environmental pollution and management of this invasive weed.
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  • 文章类型: Journal Article
    种子发芽指数(GI)是阻碍好氧堆肥产品整合到农田中的主要决定因素。当前的研究工作主要集中在探索堆肥产品的理化指标与GI之间的相关性。忽视了根本原因。这项研究系统地分析了在各种堆肥方法下,来自厨余垃圾的堆肥产品的GI水提物的组成,氮气,碳,和无机盐作为关键因素。分析工作得出结论,乙酸,甲酸,铵是影响胃肠道的抑制因子。验证实验引入了抑制因子,产生描述由于单个影响因素引起的GI变化的函数关系公式。这项研究最终确定乙酸是主要的制约因素,确定其抑制浓度对应于85mg/L的70%GI。本研究将为今后强化好氧堆肥技术的研究提供指导。
    The seed germination index (GI) serves as the principal determinant that impedes the integration of aerobic composting products into agricultural lands. The current research work predominantly focuses on exploring the correlation between physical and chemical indicators of the compost products and GI, neglecting the fundamental cause. This study systematically analyzed the composition of GI aqueous extracts from compost products derived from kitchen waste under various composting methodologies, with nitrogen, carbon, and inorganic salt as critical factors. The analytical work concluded that acetic acid, formic acid, and ammonium were the inhibitory factors influencing GI. Validation experiments introduced inhibitory factors, yielding a functional relationship formula depicting GI variations due to a single influential factor. This study conclusively identified acetic acid as the primary constraint, establishing that its inhibitory concentration corresponded to 70 % GI stands at 85 mg/L. This study will provide guidelines for the future research on enhancing aerobic composting techniques.
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  • 文章类型: Journal Article
    功能性肠病(FBD)具有降低公共生活标准的主要潜力。朱尼佩鲁斯·奥克塞勒斯·L(J.oxycedrus)(柏科)已被描述为在传统医学中用作止泻药的植物。本研究是第一个通过体外和体内研究获得有关氧化松柏水提物的抗痉挛和抗腹泻作用的信息。通过煎煮植物的风干地上部分来提取氧化刺柏(AEJO)的水提取物。在暴露于累积剂量的牙髓提取物的大鼠的离体空肠段中测试了抗痉挛活性。使用蓖麻油引起的腹泻测试了抗腹泻活性,小肠的运输研究,和蓖麻油诱导的小鼠肠汇集试验。在老鼠的空肠,AEJO(0.1,0.3和1mg/ml)降低了低K(25mM)诱导的最大音调,尽管它对高K(75mM)的抑制作用较弱,IC50=0.49±0.01mg/ml,IC50=2.65±0.16mg/ml,分别。在CCh(10-6M)诱导的收缩中,AEJO减弱了最大音调,与低K+(25mM)诱导的相似。IC50=0.45±0.02mg/ml。在格列本脲(GB)(0.3µM)和4-氨基嘧啶(4-AP)(100µM)存在下,AEJO对低钾诱导的收缩的抑制作用显着减弱,IC50值为1.84±0.09mg/ml。和1.63±0.16毫克/毫升,分别)。所证明的抑制作用与作用于胆碱能受体和钙通道的非竞争性拮抗剂产生的抑制作用相似。在蓖麻油诱导的小鼠腹泻中,AEJO(100、200和400mg/kg)导致潜伏期延长,减少排便频率,与未处理组(蒸馏水)相比,湿粪便的量减少。此外,在所有测试剂量下,它都显示出显着的抗运动作用,并减少了肠腔中积聚的液体量。这些发现支持JuniperusoxyceedrusL.的常规用途作为胃肠道疾病的补救措施。
    Functional bowel disorders (FBD) have a major potential to degrade the standards of public life. Juniperus oxycedrus L. (J. oxycedrus) (Cupressaceae) has been described as a plant used in traditional medicine as an antidiarrheal medication. The present study is the first to obtain information on the antispasmodic and antidiarrheic effects of J. oxycedrus aqueous extract through in vitro and in vivo studies. An aqueous extract of J. oxycedrus (AEJO) was extracted by decoctioning air-dried aerial sections of the plant. Antispasmodic activity was tested in an isolated jejunum segment of rats exposed to cumulative doses of drogue extract. The antidiarrheic activity was tested using diarrhea caused by castor oil, a transit study of the small intestine, and castor oil-induced enteropooling assays in mice. In the jejunum of rats, the AEJO (0.1, 0.3 and 1 mg/ml) diminished the maximum tone induced by low K+ (25 mM), while it exhibited a weak inhibitory effect on high K+ (75 mM) with an IC50=0.49 ± 0.01 mg/ml and IC50=2.65 ± 0.16 mg/ml, respectively. In the contractions induced by CCh (10-6 M), AEJO diminished the maximum tone, similar to that induced by low K+ (25 mM). with an IC50=0.45 ± 0.02 mg/ml. The inhibitory effect of AEJO on low K+ induced contractions was significantly diminished in the presence of glibenclamide (GB) (0.3 µM) and 4-aminopyrimidine (4-AP) (100 µM), with IC50 values of 1.84 ± 0.09 mg/ml. and 1.63 ± 0.16 mg/ml, respectively). The demonstrated inhibitory effect was similar to that produced by a non-competitive antagonist acting on cholinergic receptors and calcium channels. In castor oil-induced diarrhea in mice, AEJO (100, 200, and 400 mg/kg) caused an extension of the latency time, a reduced defecation frequency, and a decrease in the amount of wet feces compared to the untreated group (distilled water). Moreover, it showed a significant anti-motility effect and reduced the amount of fluid accumulated in the intestinal lumen at all tested doses. These findings support the conventional use of Juniperus oxycedrus L. as a remedy for gastrointestinal diseases.
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  • 文章类型: Journal Article
    离子凝胶化是一种低成本,简单和绿色的微囊化技术。然而,高可溶性化合物的封装是具有挑战性的,因为材料由于被动扩散而广泛损失到外部水相中,并且因此封装效率低。在这项工作中,已经获得了基于海藻酸盐的微粒中胸腺的水提取物的包封效率的重要提高。具有适当百里香提取物/藻酸盐比例(70:30)的制剂用作参考,然后通过添加不同的共载体赋形剂来优化。通过将含有百里香提取物和藻酸盐的溶液滴入壳聚糖/氯化钙/酸性乙酸溶液中获得的微粒导致高的包封效率(70.43±5.28%)。干燥后,微粒的粒径为1096±72μm,提取物含量的20.087±1.487%,6.2%的残余水,并显示百里香提取物在一小时内完全释放。结合海藻酸盐和壳聚糖作为聚合物共载体是通过离子凝胶化有效包封水性提取物的有价值的选择。
    Ionotropic gelation is a low-cost, easy and green microencapsulation technique. However, the encapsulation of highly soluble compounds is challenging because of the wide loss of material into the external water phase by passive diffusion and the consequent low encapsulation efficiency. In this work an important increase of encapsulation efficiency for Thymus vulgaris L. aqueous extract in alginate-based microparticles has been obtained. A formulation with the proper thyme extract/alginate ratio (30:70) was used as reference and then optimized by adding different co-carrier excipients. Microparticles obtained by dropping a solution containing thyme extract and alginate into a chitosan/calcium-chloride/acid acetic solution lead to a high encapsulation efficiency (70.43 ± 5.28 %). After drying, microparticles had a particle size of 1096 ± 72 μm, 20.087 ± 1.487 % of extract content, 6.2 % of residual water, and showed a complete release of thyme extract within one hour. Combining alginate and chitosan as polymeric co-carrier was a valuable option for efficiently encapsulating an aqueous extract by ionotropic gelation.
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  • 文章类型: Journal Article
    目的:在尼日利亚东部,未成熟Musaparadisiaca果实的水提取物通常用于治疗溃疡。这项研究旨在评估未成熟果实的水提物对大鼠雄性和雌性生育能力的急性和亚急性影响。
    方法:使用标准程序分析通过浸渍获得的水提物的急性和亚急性毒性以及植物化学成分的存在。将提取物(100、500和1000mg/kg)每天给予男女大鼠28天。在第0天和第28天收集的血液样品进行卵泡刺激素(FSH)评估,黄体生成素(LH),过氧化氢酶(CAT),超氧化物歧化酶(SOD),和丙二醛(MDA)。收获睾丸和卵巢用于组织病理学分析。还收集精子以确定精子数量和运动性。
    结果:植物化学筛选显示存在皂苷,单宁,生物碱,和树脂。口服剂量高达5000mg/kg后,急性毒性试验无死亡病例.相对于未处理的对照,提取物(500mg/kg)显着(P<0.05)提高了精子数量和运动能力;显着(P<0.05)降低了SOD,CAT,和谷胱甘肽水平,而显著(P<0.05)升高的LH,FSH,和MDA水平在雄性和雌性大鼠。组织学检查显示卵巢结构明显受损。
    结论:未成熟的木香果实在长期给药后表现出不良的毒理学特征,并在啮齿动物中引起氧化应激。
    OBJECTIVE: Aqueous extract of unripe Musa paradisiaca fruit is commonly used for the treatment of ulcers in eastern Nigeria. This study aimed to assess the acute and subacute effects of an aqueous extract of unripe fruit on male and female fertility in rats.
    METHODS: Aqueous extracts obtained by maceration were analyzed for acute and subacute toxicity and for the presence of phytochemical constituents using standard procedures. The extract (100, 500, and 1000 mg/kg) was administered daily to rats of both sexes for 28 d. Blood samples collected on days 0 and 28 were assessed for follicle-stimulating hormone (FSH), luteinizing hormone (LH), catalase (CAT), superoxide dismutase (SOD), and malondialdehyde (MDA). Testes and ovaries were harvested for histopathological analysis. Sperm were also collected to determine the sperm count and motility.
    RESULTS: Phytochemical screening revealed the presence of saponins, tannins, alkaloids, and resins. After an oral dose of up to 5000 mg/kg, there were no deaths in the acute toxicity test. The extract (500 mg/kg) significantly (P < .05) enhanced sperm count and motility relative to the untreated control; significantly (P < .05) reduced SOD, CAT, and glutathione levels, while significantly (P < .05) elevated LH, FSH, and MDA levels in male and female rats. Histological examination revealed significant structural damage to the ovaries.
    CONCLUSIONS: Unripe Musa paradisiaca fruit exhibited an adverse toxicological profile following prolonged administration and caused oxidative stress in rodents.
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  • 文章类型: Journal Article
    犬弓形虫会在人类中产生“幼虫偏头痛”综合征,在小狗身上,它会导致严重的消化系统疾病。最常用的治疗方法是基于驱虫药,尽管有驱虫药(AH)耐药的报道。尤卡坦半岛有各种各样的植物物种,其AH特性仍然未知。本研究的目的是评估乙醇(EE)的体外AH活性,来自梅里达犬的T.canis卵的尤卡坦半岛五种本地植物物种的叶子中的甲醇(ME)和水性(AE)提取物,尤卡坦半岛.作为筛选的一部分,Alseisyucatanensis植物的EE,牙买加Calea,金花,双色马,并在2400和3600μg/ml的剂量下评估了古巴的寄生虫。Yucatanensis和M.diademata的EE和AE在暴露六天后对T.canis幼虫发育的抑制作用很高(≥91.3%)。最低的LC50和LC99由来自Yucatanensis的ME呈现(255.5和629.06µg/ml,分别)和来自M.diademata的ME(222.4和636.5µg/ml,分别),和来自A.yucatanenesis的AE(LC50为535.9µg/ml)。通过LC-UV-HRMS对最有效的AH提取物(Alseisyucatanensis)进行了化学分析。来自该植物的ME和AE的数据表明存在已知的葡萄糖基杜美辛,山奈酚3,7-二葡萄糖基,uvaol,亚油酸和亚麻酸以及未知的生物碱。EE,可以开发来自M.diademata和A.yucatanensis叶片的ME和AE作为控制T.canis的天然替代品。
    Toxocara canis can produce the \"larva migrans\" syndrome in humans, and in puppies, it can cause severe digestive disorders. The most used treatments are based on anthelmintics, although there are reports of anthelmintic (AH) resistance. The Yucatan Peninsula has a great variety of plant species whose AH properties are still unknown. The objective of this study was to evaluate the in vitro AH activity of ethanolic (EE), methanolic (ME) and aqueous (AE) extracts from the leaves of five native plant species of the Yucatan Peninsula on T. canis eggs of dogs from Merida, Yucatan. As part of a screening, the EE of the plants Alseis yucatanensis, Calea jamaicensis, Cameraria latifolia, Macrocepis diademata, and Parathesis cubana were evaluated at doses of 2400 and 3600 μg/ml. The EE and AE of A. yucatanensis and M. diademata presented high percentages (≥ 91.3%) of inhibition of the larval development of T. canis after six days of exposure. The lowest LC50 and LC99 was presented by the ME from A. yucatanensis (255.5 and 629.06 µg/ml, respectively) and the ME from M. diademata (222.4 and 636.5 µg/ml, respectively), and the AE from A. yucatanenesis (LC50 of 535.9 µg/ml). Chemical profiling of the most potent AH extract (Alseis yucatanensis) was carried out by LC-UV-HRMS. Data from the ME and AE from this plant indicated the presence of the known glucosylngoumiensine, kaempferol 3,7-diglucosyde, uvaol, linoleic acid and linolenic acid together with unknown alkaloids. The EE, ME and AE from leaves of M. diademata and A. yucatanensis could be developed as natural alternatives to control T. canis.
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