abstract：BACKGROUND:The RP-HPLC resolution of two triterpenic acid isomers was unstable. OBJECTIVE:To separate the oleanolic acid (OA) and ursolic acid (UA) simply within RP-HPLC. MATERIALS AND METHODS:The separation ability of five stationary phases was studied with the retention effect of their carbon loads. Also the resolu...

journal_title：Pharmacognosy magazine

authors： Zhang Y,Xue K,Zhao EY,Li Y,Yao L,Yang X,Xie X

更新日期：2013-10-01 00:00:00

abstract：BACKGROUND:Inula helenium, which belongs to thecomposite family, is an important crude drug in traditional Chinese medicine. MATERIALS AND METHODS:The effects of ethanol concentration, liquid to solid ratio, extraction temperature, and duration of microwave irradiation on the flavonoid extraction yield were studied th...

journal_title：Pharmacognosy magazine

authors： Guo CY,Wang J,Hou Y,Zhao YM,Shen LX,Zhang DS

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Rhizoma dioscoreae nipponicae is a perennial herb and its roots have been widely used in Traditional Chinese Medicine (TCM). OBJECTIVE:To develop and optimize the extraction and hydrolysis technology of diosgenin from Rhizoma dioscoreae nipponicae. MATERIALS AND METHODS:1-methyl-3-(3-sulfopropyl)-imidazoli...

journal_title：Pharmacognosy magazine

authors： Yan W,Ji L,Hang S,Shun Y

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Isolation and structure elucidation of flavan-3-ol constituents from the leaves of Ficus spragueana and their cytotoxic activity. MATERIALS AND METHODS:Different open silica gel column chromatographic techniques with different solvent systems were used for the separation of the constituents of the ethyl ace...

journal_title：Pharmacognosy magazine

authors： Ragab EA,Mohammed Ael-S,Abbass HS,Kotb SI

更新日期：2013-04-01 00:00:00

abstract：BACKGROUND:The present study reports and compares the results of Gas Chromatographic-Mass analyses of Pulicaria jaubertii leaf (P-1) and root (P-2) essential oils, as well as their in vitro antimicrobial and cytotoxic activities. MATERIALS AND METHODS:The chemical composition of P-1 and P-2 essential oils of P. jauber...

journal_title：Pharmacognosy magazine

authors： Fawzy GA,Al Ati HY,El Gamal AA

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Buddleja davidii and B. albiflora are two different original plants of the famous crude medicine "Diaoyangchen". MATERIALS AND METHODS:An ultraviolet-visible spectrophotometric method and a HPLC method were used for the determination of total and individual flavonoids (luteolin and apigenin) contents from t...

journal_title：Pharmacognosy magazine

authors： Ying C,Wan D

更新日期：2012-10-01 00:00:00

abstract：BACKGROUND:Fissistigma polyanthum is a liane belonging to the Annonaceae family and it is one of the most important crude drugs in traditional Chinese medicine. OBJECTIVE:The objective was to describe the structural elucidation and the free-radical-scavenging activities of the isolated compounds from Fissistigma polya...

journal_title：Pharmacognosy magazine

authors： Fan H,Zheng T,Chen Y,Yang GZ

更新日期：2012-04-01 00:00:00

abstract：BACKGROUND:Abelmoschus esculentus L. is a healthy vegetable belonging to the family Malvaceae. This article reports the contents of total phenolics (TP) and total flavonoids (TF) in 80% methanol extracts of the flower (FL), fruit (FR), leaf (L), and seed (S) of A. esculentus, and in 0, 10, 30, 50, and 70% methanol elua...

journal_title：Pharmacognosy magazine

authors： Liao H,Dong W,Shi X,Liu H,Yuan K

更新日期：2012-04-01 00:00:00

abstract：BACKGROUND:Rhododendron is a group of famous landscape plants with high medicinal value. However, there is no simple or universal manner to discriminate the various species of this group. Deoxyribonucleic acid (DNA) barcoding technique is a new biological tool that can accurately and objectively identify species by usi...

journal_title：Pharmacognosy magazine

authors： Liu Y,Zhang L,Liu Z,Luo K,Chen S,Chen K

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:We previously reported that the extracts of several Korean medicinal plants showed neuroprotective activity in glutamate-injured primary culutres of rat cortical cells. OBJECTIVE:Among them, the effect of the methanolic extract of Lonicera japonica flower on the glutamate-induced neuronal cell death and its...

journal_title：Pharmacognosy magazine

authors： Weon JB,Yang HJ,Lee B,Yun BR,Ahn JH,Lee HY,Ma CJ

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND:Zingiber officinale Rosc. is not only an important medical plant in China, but also one of the most commonly used plant spices around the world. Early researches in Z. officinale Rosc. were focused on rapid propagation, germplasm preservation, and somatic embryogenesis, only a few reports focused on the gene...

journal_title：Pharmacognosy magazine

authors： Kun-Hua W,Jian-Hua M,He-Ping H,Shan-Lin G

更新日期：2011-07-01 00:00:00

abstract：OBJECTIVE:Three cultivars seeds of Resina ferulae were analyzed for essential oil composition, Ferula sinkiangensis K. M. Shen, Ferula fukangensis K. M. Shen, and Ferula ovina, investigated differences among different genera of medicinal R. ferulae. MATERIALS AND METHODS:The essential oils were extracted by the method...

journal_title：Pharmacognosy magazine

authors： Li X,Wang Y,Zhu J,Xiao Q

更新日期：2011-04-01 00:00:00

abstract：CONTEXT:Two of the important algae from Persian Gulf are Gracilaria salicornia and Hypnea flageliformis (Rhodophyta). Antibacterial, antifungal, and cytotoxic effects of the mentioned algae have been presented in the previous studies. AIM:In this study, the isolation and structural elucidation of the sterols from thes...

journal_title：Pharmacognosy magazine

authors： Nasir M,Saeidnia S,Mashinchian-Moradi A,Gohari AR

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND:Zataria multiflora Boiss. is a traditional and popular spice in Iran. The effects of 3 ecotypes (ECTPs) of Z. multiflora essential oils (EOs) against most common causes of food-borne and nosocomial infections were evaluated. MATERIALS AND METHODS:The antimicrobial activities of the EOs were examined by brot...

journal_title：Pharmacognosy magazine

authors： Zomorodian K,Saharkhiz MJ,Rahimi MJ,Bandegi A,Shekarkhar G,Bandegani A,Pakshir K,Bazargani A

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND:Sophora flavescens Aiton is an important medicinal plant in China. Early in vitro researches of S. flavescens were focused on callus induction and cell suspension culture, only a few were concerned with in vitro multiplication. OBJECTIVE:To establish and optimize the rapid propagation technology of S. flavesce...

journal_title：Pharmacognosy magazine

authors： Kun-Hua W,Shan-Lin G,He-Ping H

更新日期：2010-10-01 00:00:00

abstract：:Alpinia purpurata or red ginger was studied for its phytochemical constituents as part of our growing interest on Philippine Zingiberaceae plants that may exhibit antimycobacterial activity. The hexane and dichloromethane subextracts of the leaves were fractionated and purified using silica gel chromatography to affor...

journal_title：Pharmacognosy magazine

authors： Villaflores OB,Macabeo AP,Gehle D,Krohn K,Franzblau SG,Aguinaldo AM

更新日期：2010-10-01 00:00:00

abstract：:Mentha piperita essential oil was bactericidal in order of E. coli> S. aureus > Pseudomonas aeruginosa > S. faecalis > Klebsiella pneumoniae. The oil with total phenolics of 89.43 ± 0.58 µg GAE/mg had 63.82 ± 0.05% DPPH inhibition activity with an IC (50) = 3.9 µg/ml. Lipid peroxidation inhibition was comparable to BH...

journal_title：Pharmacognosy magazine

authors： Sharafi SM,Rasooli I,Owlia P,Taghizadeh M,Astaneh SD

更新日期：2010-07-01 00:00:00

abstract：:The hexane, ethylacetate and methanol extracts from Bauhinia tomentosa and Bauhinia vahlii roots were tested for their antimicrobial activity against Gram-positive bacteria (four strains), Gram-negative bacteria (three strains) and three fungi strains using microdilution methods, for the determination of minimal inhib...

journal_title：Pharmacognosy magazine

authors： Dugasani S,Balijepalli MK,Tandra S,Pichika MR

更新日期：2010-07-01 00:00:00

abstract：:In this work, the chemical constituents, antibacterial and modulatory activities of the essential oil of Lantana camara Linn were studied. The essential oil was extracted from the leaves of L. camara by hydrodistillation method using Clevenger's apparatus and its chemical constituents were separated and identified by ...

journal_title：Pharmacognosy magazine

authors： Sousa EO,Silva NF,Rodrigues FF,Campos AR,Lima SG,Costa JG

更新日期：2010-04-01 00:00:00

abstract：:The present study was undertaken with the objective of finding out the comparative analgesic effect of Ligusticum chuanxiong (LC) pieces decoction, LC formula granule decoction, liquored LC pieces decoction and liquored LC formula granule decoction. The analgesic effects were analyzed using the hot plate and acetic-in...

journal_title：Pharmacognosy magazine

authors： Gao D,Xu L

更新日期：2010-04-01 00:00:00

abstract：:The fruits of eight myrtles, Myrtus communis L. accessions from the Mediterranean region of Turkey were evaluated for their antioxidant activities and fatty acid contents. The antioxidant activities of the fruit extracts were determined by using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and beta-carotene-linoleic acid assa...

journal_title：Pharmacognosy magazine

authors： Serce S,Ercisli S,Sengul M,Gunduz K,Orhan E

更新日期：2010-01-01 00:00:00