• Medicinal Value and Ecological Features of Cleisostoma scolopendrifolium (Makino) Garay

    [Objective] The aim was to expound the medicinal value and ecological features of Cleisostoma scolopendrifolium (Makino) Garay. [Method] According to relevant literatures, the medicinal value, distribution, habitat, climate features and vegetation type in the C. scolopendrifolium distributing areas were reviewed. [Result] The whole plant of C. scolopendrifolium could be used as medicine, having the functions of hemostasis, diuresis, clearing heat and detoxication, and moistening lung to stop coughing. it was mainly distributed in the 13 municipalities and provinces in middle-eastern China, where the climate is mainly subtropical monsoon type, characterized by mild climate, abundant rainfall, plenty of sunshine, distinctive four seasons, and short frost period. The main vegetation types included warm-temperate coniferous forest, warm-temperate deciduous broad-leaved forest and subtropical evergreen broad-leaved forest and so on. [Conclusion] The study laid foundation for the protection of rare medicinal plants and the development of new drugs.

    2011年08期 v.2 1-3页 [查看摘要][在线阅读][下载 104K]
  • Effect of Different Treatment on the Rooting State of Acanthopanax giraldii Harms. Softwood Cuttings

    [Objective] To investigate the effects of different treatments on the rooting state of Acanthopanax giraldii Harms. softwood cuttings. [Method] Effects of medium, cutting period, cutting position and hormone concentration on the rooting state of Acanthopanax giraldii Harms. softwood cuttings were investigated through L9 (34) orthogonal test design. [Result] The rooting state of Acanthopanax giraldii Harms. softwood cuttings was obviously influenced by the medium, cutting period, cutting position and hormone concentration. From strong to less, the influencing order of factors to rooting rate was cutting period>medium>hormone concentration>cutting position; the influencing order of factors to rooting number was cutting position>hormone concentration>medium>cutting period and the influencing order of factors to rooting length was the cutting position>medium>hormone concentration>cutting period. The rooting rate, average root length and average root number were respectively 86.4%, 6.2 cm and 4.9 when middle or lower crown with part leaves as cuttings were treated by ABT1 in concentration of 100 mg/L for 2 h and then cut into medium of 100% vermiculite on June 25. [Conclusion] Using softwood of Acanthopanax giraldii Harms. as materials was feasible in the large-scale raising seedlings by cutting in greenhouse.

    2011年08期 v.2 4-6页 [查看摘要][在线阅读][下载 96K]
  • Overview of Utilization Value and Cultivation Technique of the Medicinal Plants Aristolochia contorta Bunge

    Based on the advance in research by domestic scholars, the paper mainly introduces the botanical trait and biological characteristics of Aristolochia contorta Bunge, chemical constituent and medicinal value of seeds, stems and roots, and summaries of the cultivation technique of seeds propagation and specific methods of field management, pest control, harvesting and processing aimed at providing a theoretical basis for rational development and utilization of medicinal plant resource of Aristolochia contorta Bunge.

    2011年08期 v.2 7-9+13页 [查看摘要][在线阅读][下载 121K]
  • Resources and Exploitation of Rosaceae Medicinal Plants in Loess Plateau of Northern Shaanxi, China

    24 species of wild medicinal plants of Rosaceae belonging to 16 genera were found in Loess Plateau of Northern Shaanxi, China. Their roots, flowers or fruits could be used as medicines for curing many diseases. Chemical components of Rosaceae medicinal plants were complicated, mainly containing organic acids, cyanogenic glycosides, polyphenol, alkaloids, flavonoids and triterpenoid compound. The resources species, habitat, biological characteristics, medicinal part and efficacy of Rosaceae medicinal plants in Loess Plateau of Northern Shaanxi were investigated and summarized through field collection, system surveys and consultation on relevant literature. Based on their unique characteristics, some suggestions and strategies were put forward accordingly in order to further protect and develop the local medicinal resources of Rosaceae.

    2011年08期 v.2 10-13页 [查看摘要][在线阅读][下载 111K]
  • Chemical Abstracts

    <正>Chemical Abstracts ( CA) ,a reputable international search tool,which involves the widest disciplinary field,collects the most literature types,offers the most searching ways,and has the most prodigious volumes,is edited and published by CAS-Chemical

    2011年08期 v.2 13页 [查看摘要][在线阅读][下载 63K]
  • Quality Characteristic of Sichuan Gastrodia elata Tuber at Different Sexual Developmental Stages

    [Objective] To expose quality change features of Gastrodia elata tuber and provide reference basis for the quality control of Gastrodia elata. [Method] The Gastrodia elata tuber in flowering and fruiting period were regularly and in-situ dynamically collected, then steamed to well done by water process, sliced and dried at the constant temperature of 50 ℃. The content of gastrodin was determined by HPLC according to The Peoples Republic of China Medical Dictionary (2010 versions), and the content of gastrodin polysaccharides was detected by phenol-sulfuric acid method. [Result] The contents of gastrodin and gastrodin polysaccharides in varied developmental stage were shown as sprouting period>pre-budding period>budding period>flowering period>fruiting period>withering period; during the sprouting period, the contents of gastrodin and gastrodin polysaccharides were the highest with 0.629% and 9.894% respectively; the regression equation between the contents of gastrodin (y1), gastrodin polysaccharides (y2) and effective accumulated temperature (T) was y1=10.024-0.004T (n=6, r=-0.996***), and y2=0.606+0.000 8T (n=6, r=-0.935***). [Conclusion] The contents of gastrodin and gastrodia polysaccharides significantly decreased as the plant grew and the effective accumulated temperature decreased, the best commercial Gastrodia elata product was its sprouted tuber, and the tuber harvested before the withering period could be used as the material for pharmacy and development of functional food.

    2011年08期 v.2 14-16+20页 [查看摘要][在线阅读][下载 122K]
  • Study on the Quality Grading Standard of Andrographis paniculata Seeds

    [Objective] To set up a quality grading standard of Andrographis paniculata seeds. [Method] Seeds samples from different producing areas were tested on respects of quality, such as purity, 1 000-grain weight, moisture content and germination rate, etc. The statistical software SPSS was used to perform the K-means clustering on experimental data. [Result] A three grade quality standard of Andrographis paniculata seeds was preliminarily set up mainly based on germination rate combining moisture content, 1 000-grain weight and purity. [Conclusion] The established grading standard was of practical value that could be used as quality control standards for Andrographis paniculata seeds.

    2011年08期 v.2 17-20页 [查看摘要][在线阅读][下载 108K]
  • CABI Database

    <正>CABI Database,one of the most authoritative and prestigious abstract data bases concerning agriculture and forestry,is compiled by Centre for Agricultural Bioscience International. This data base,since 1973,has embodied 5 million records,with an

    2011年08期 v.2 20页 [查看摘要][在线阅读][下载 64K]
  • Extraction and Purification of the Antimicrobial Active Components from RADIX PAEONIAE RUBRA by Using HP20 Resin

    [Objective] The aim was to extract and determine the major antimicrobial active constituents from RADIX PAEONIAE RUBRA. [Method] RADIX PAEONIAE RUBRA was treated by ethanol ultrasonic extraction, HP20 colophony column chromatogram and other processes. And the in vitro antimicrobial tests on Klebsiella pneumoniae ATCC 49790, Acinetobacter baumannii 36 and Serratia marcescens ATCC 14041 were carried out by the two-fold dilution of extracts. FTIR spectra of the extracts were analyzed by Fourier transform infrared spectroscopy. [Result] 100% ethanol elution had the optimum inhibitory effects on the three strains, with the MICs of 32.00, 32.00 and 125.00 g/L, respectively. The FTIR spectrum of the extracts was very similar to that of peoniflorin. [Conclusion] Peoniflorin was the main active components of RADIX PAEONIAE RUBRA, and had significant antimicrobial effect.

    2011年08期 v.2 21-23+25页 [查看摘要][在线阅读][下载 177K]
  • Inhibitory Effect of Agrimol on K562 Leukemia Cell

    [Objective] To explore the inhibitory effect of agrimol on K562 leukemia cell. [Method] Effects of agrimol on the cytoactive and apoptosis rate of K562 leukemia cell were respectively investigated through MTT assay and flow cytometry. [Result] Agrimol (0.1, 1, 10 mg/ml) could dose-dependently inhibit the cytoactive and improve significantly the apoptosis rate of K562 leukemia cell (P<0.05). [Conclusion] Agrimol had obvious inhibitory effects on K562 leukemia cell.

    2011年08期 v.2 24-25页 [查看摘要][在线阅读][下载 90K]
  • Determination and Analysis of Heavy Metal in Wild Oenanthe javanica (Blume) DC and Its Growing Soil in Taihu

    [Objective] To determine content of heavy metal in wild Oenanthe javanica (Blume) DC and its growing soil, so as to analyze the relationship between the two. [Method] The content of heavy metal in tested samples collected from Taihu located in Suzhou and Wuxi was determined by ICP, followed by the correlation analysis. [Result] Among soil samples, only Pb content reached the rank 2 soil requirement ruled in Environmental Quality Standard for Soils (GB15618-1995). Contents of Cd, Cr, As and Ni in growing soils were all out of limits apart from Cu, Zn and Pb. Cd, Cr, As, Ni and Pb were not detected in wild Oenanthe javanica (Blume) DC. Content of Mn in stems and leaves showed a significant correlation with that in soil (-0.96). [Conclusion] The soil of Taihu was polluted slightly by heavy metal, but the wild Oenanthe javanica (Blume) DC was edible.

    2011年08期 v.2 26-28页 [查看摘要][在线阅读][下载 174K]
  • Determination of the Trace Elements in Psidium guajava L. Fruits by Atomic Absorption Spectrometry

    [Objective] The aim was to establish a method for determining the trace elements in Psidium guajava L. fruits. [Method] Cu and Zn were determined by FAAS and Ni, Cr, Pb, As, Cd and Hg by GFAAS. [Result] Among these samples, content of Cu was the highest, while contents of Zn, Cr, As, Ni, Pb, Cd and Hg were lower. The sample recovery rates of Cu and Zn were found in the range of 99.2%-100.4%,and those for Pb, Cd, Cr, Ni, As and Hg were among the range of 97.6%-102.1%, with all the values of RSD less than 4.46%. [Conclusion] This method was simple, rapid, sensitive and accurate. It could be used for determining the content of trace elements in Psidium guajava L. fruits.

    2011年08期 v.2 29-31页 [查看摘要][在线阅读][下载 102K]
  • GC-MS Analysis of Volatile Oils from the Barks, Stems and Branches of Lindera obtusiloba Bl.

    [Objective] The aim was to analyze the volatile oils from the barks, stems and branches of Lindera obtusiloba Bl.. [Method] The volatile oils were extracted from the barks, stems and branches of L. obtusiloba by steam distillation, and meanwhile GC-MS method was used to analyze and identify the components in L. obtusiloba. [Result] A total of 51 compounds were successfully identified from the volatile oils of L. obtusiloba barks, stems and branches. [Conclusion] The main components of the volatile oils were low-molecular aliphatic compounds, terpenoids, alcohol compounds, and ester compounds.

    2011年08期 v.2 32-33+36页 [查看摘要][在线阅读][下载 120K]
  • GC-MS Analysis of the Chemical Components of the Volatile Oil from Leaves of Aquilaria sinensis (Lour.) Gilg.

    [Objective] The aim was to study on the extraction and determination of the volatile oil from Aquilaria sinensis (Lour.) Gilg. leaves. [Method] The volatile oil was extracted by from A. sinensis leaves by the method of steam distillation. Its chemical components were analyzed by GC-MS. Peak area normalization method was used to calculate the relative percentage content of each component in volatile oil of A. sinensis leaves. [Result] Chemical components were identified from the volatile oil of A. sinensis leaves. And the major chemical components were 9-Hexacosene (4.17%), Pyridine-3-carboxamide,oxime.N-(2-trifluorometh) (3.95%), Octacosane (3.76%), Tetracosane (3.50%), Docosane (3.32%), Hexadcane,1-iodo-(2.82%), Dodecane,4,6-dimethyi-(2.76%), and 1-Bromodocosane (2.58%). [Conclusion] The research provided theoretical foundation for the development and utilization of A. sinensis leaves.

    2011年08期 v.2 34-36页 [查看摘要][在线阅读][下载 122K]
  • Analysis of the Volatile Substances in Psophocarpus tetragonolobus D.C Seeds

    [Objective] The aim was to analyze volatile substances from Psophocarpus tetragonolobus D.C seeds, so as to provide a basis for the better utilization of this resources. [Method] Volatile substances extracted from Psophocarpus tetragonolobus D.C seeds were identified by GC-MS, and their relative contents were determined by area normalization method. [Result] A total of 125 kinds of compounds were identified from 4 varies of P. tetragonolobus seeds, which belonged to alkanes, alkenes, acids, aromatic compounds, esters, ketones, ethers and heterlcyclic compounds. Moreover each variety of seeds had 42 volatile substances, which were mainly ketones, alcohol, esters and so on. There were no significant differences in the types and total amount of volatile substances from P. tetragonolobus seeds among different varieties, but their relative contents differed obviously. [Conclusion] The differences of volatile substances formed their own characteristic flavors, which could contribute to products variation in the processing of P. tetragonolobus.

    2011年08期 v.2 37-40+43页 [查看摘要][在线阅读][下载 242K]
  • Study on the Extraction Process of Resveratrol from RHIZOMA ET RADIX POLYGONI CUSPIDATI Using Ultrasonic-assisted Technology

    [Objective]This study was to optimize the extraction process of resveratrol from RHIZOMA ET RADIX POLYGONI CUSPIDATI. [Method]An orthogonal design was adopted to investigate the effects of extraction temperature, extraction time and ultrasonic power on the extraction rate of resveratrol from RHIZOMA ET RADIX POLYGONI CUSPIDATI by using ultrasonic-assisted wave method. [Result] The optimum extraction process of resveratrol was found as follows: extraction temperature of 80 ℃, extraction time of 45 min and ultrasonic power of 200 W. Under the above conditions, the extraction rate of resveratrol could reach as high as 0.940%. [Conclusion] The ultrasonic-assisted technology is liable and simple, which is a safe and efficient method for extracting resveratrol from RHIZOMA ET RADIX POLYGONI CUSPIDATI.

    2011年08期 v.2 41-43页 [查看摘要][在线阅读][下载 105K]
  • Purification of Total Saponins in FRUCTUS TRIBULI by Macroporous Adsorption Resins

    [Objective] The aim was to select a resin suitable for the purification of total saponins in FRUCTUS TRIBULI from the 10 types of macroporous adsorption resins. [Method] The static absorption rate and desorption rate of total saponins in FRUCTUS TRIBULI by different types of macroporous adsorption resins were compared. And HPD-300 resin was eluted by different concentrations of ethanol to calculate the purity and recovery rate of total saponins. [Result] The recovery rate and purity of HPD-300 resin was as high as 87% and 68%, respectively. [Conclusion] HPD-300 resin showed good comprehensive property, and was suitable for the isolation and purification the total saponins in FRUCTUS TRIBULI.

    2011年08期 v.2 44-45+48页 [查看摘要][在线阅读][下载 128K]
  • Optimization of the Extraction Technology for Flavonoids from RADIX RHIZOMA GLYCYRRHIZAE

    [Objective] The aim was to study on the effects of different experimental conditions on the extraction rate of flavonoids from RADIX RHIZOMA GLYCYRRHIZAE. [Method] Effects of ethanol content, solid-liquid ratio, and extraction time on the extraction rate of flavonoids from RADIX RHIZOMA GLYCYRRHIZAE were studied by orthogonal test. Under the optimal extraction conditions, effects of ultrasonic power and ultrasonic time on the extraction rate of flavonoids were investigated by single factor test. [Result] Results of orthogonal test showed that the optimal extraction conditions for the flavonoids from RADIX RHIZOMA GLYCYRRHIZAE were 75% ethanol as solvent, 1∶14 solid-liquid ratio, and 2 h extraction time. Under these conditions, ultrasonic pretreatment of raw materials was conducted. And the optimal ultrasonic conditions were 100 W ultrasonic power and 1 h ultrasonic time. [Conclusion] Under the optimal extraction conditions, the extraction rate of flavonoids from RADIX RHIZOMA GLYCYRRHIZAE reached 2.69%.

    2011年08期 v.2 46-48页 [查看摘要][在线阅读][下载 132K]
  • Microwave-assisted Extraction of Total Flavonoids from FRUCTUS HIPPOPHAE

    [Objective] The aim was to find out the optimal conditions for total flavonoids extraction from FRUCTUS HIPPOPHAE. [Method] Both of the single factor test and the orthogonal test were adopted. With ethanol concentration, microwave extraction time and solid-liquid ratio as factors, each factor had three levels; and the L9 (33) orthogonal test was selected. Total flavonoids content determined by UV spectrophotometry was taken as the evaluation index to select the optimal extraction technology. [Result] Solid-liquid ratio was the main factor affecting the microwave-assisted extraction of total flavonoids from FRUCTUS HIPPOPHAE, followed by ethanol concentration and extraction time. Under 400 W microwave power, the optimal extraction conditions were 1∶25 solid-liquid ratio, 80% ethanol concentration, and 90 s extraction time. Under these conditions, the extraction rate of total flavonoids was 4.99%. [Conclusion] Microwave-assisted extraction of total flavonoids from FRUCTUS HIPPOPHAE enhanced the extraction speed and rate, which had the characteristics of no noise, low energy consumption, high efficiency and no destroying of the active components.

    2011年08期 v.2 49-51+55页 [查看摘要][在线阅读][下载 234K]
  • Study on the Semi-bionic Extraction Technology of Total Flavonoids from RADIX WIKSTROEMAE

    [Objective] To study the opyimum semi-bionic extraction technology of total flavonoids from RADIX WIKSTROEMAE. [Method] Orthogonal test was carried out to investigate the effects of extraction temperature (A), extraction time (B), solid-liquid ratio (C), and ethanol concentration (D) on the extracting yield of total flavonoids. [Result] When RADIX WIKSTROEMAE sample power was refluxed at 80 ℃ for 70∶ 35∶ 35 min for three times with 14 volumes of 70% ethanol, the yield of total flavonoids was the highest at 4.73%. [Conclusion] Semi-bionic extraction was applicable to extract total flavonoids from RADIX WIKSTROEMAE.

    2011年08期 v.2 52-55页 [查看摘要][在线阅读][下载 225K]
  • Pilot Production and Product Index of Flavonoids from the Leaves of Momordica grosvenori Swingle

    [Objective] The aim was to study on the production and product index of flavonoids from the leaves of Momordica grosvenori Swingle. [Method] Pilot production test on the flavonoids from M. grosvenori leaves was carried out by the methods of water extraction, macroporous resin adsorption, 75% ethanol elution, and so on. [Result] Total flavonoids contents in crude sample and refined sample were 25.52% and 45.8%, respectively. [Conclusion] Production process for the flavonoids from M. grosvenori leaves was preliminarily establised and its product index was formulated.

    2011年08期 v.2 56-57+60页 [查看摘要][在线阅读][下载 140K]
  • Optimization of the Extraction process of Astragaloside IV from ASTRAGALI RADIX

    [Objective] To optimize the extraction process of astragaloside IV from ASTRAGALI RADIX. [Method] Using TS-NS extraction and concentration industrial equipment to extract ASTRAGALI RADIX, effects of ethanol concentration, solid-liquid ratio, extraction time and extraction times on the yield of astragaloside IV were respectively investigated by uniform design experiment. Taking the content of astragaloside IV determined by HPLC-ELSD as index, the extraction process was optimized. [Result] The optimum extraction process of astragaloside IV from ASTRAGALI RADIX was: ethanol concentration of 80%, solid-liquid ratio of 1∶ 8 g/ml, extraction times of 3 and extraction time of 1 h. [Conclusion] The optimum process for extracting astragaloside IV was simple, reliable and more suitable for industrial production compared with the reported methods.

    2011年08期 v.2 58-60页 [查看摘要][在线阅读][下载 107K]
  • Separation Technology of Polysaccharides from FRUCTUS LYCII by Ultrafiltration Method

    [Objective] The aim was to find out the optimal conditions to separate polysaccharides from FRUCTUS LYCII by microfiltration and ultrafiltration membrane technology. [Method] Polysaccharides were separated and purified from FRUCTUS LYCII by combining microfiltration with ultrafiltration membrane. According to the determination results of polysaccharides, influencing factors of membrane separation were evaluated, such as operating pressure, operating temperature, liquid concentration and operating time. [Result] The optimum conditions for ultrafiltration treatment were: 0.65 MPa operating pressure, 45 ℃ operating temperature, 0.72 g/L polysaccharides concentration in raw solution, and 25 min ultrafiltration treatment before the stabilized membrane flux. The optimal conditions for microfiltration treatment were: 0.20-0.22 MPa operating pressure, 50 ℃ operating temperature, and 25 min ultrafiltration treatment before the stabilized membrane flux. [Conclusion] Compared with traditional vacuum concentration method, extracting polysaccharides from FRUCTUS LYCII by membrane separation method improved product purity, reduced energy consumption, and was suitable for industrial production of polysaccharides.

    2011年08期 v.2 61-65页 [查看摘要][在线阅读][下载 243K]
  • Study on the Extraction Process of Rhein from RADIX ET RHIZOMA RHEI by Uniform Design

    [Objective] To discuss the relationship between related factors and content of rhein in extracts, and optimize the extraction process of rhein from RADIX ET RHIZOMA RHEI by uniform design method. [Method] Taking the content of rhein as index, uniform design with 4 investigated factors including comminution degree, ethanol concentration, solid-liquid ratio and extraction time was performed to optimize the extraction process of rhein from RADIX ET RHIZOMA RHEI by uniform design in TS-NS extraction and concentration device. [Result] The extraction rate of rhein was the highest in extracts when RADIX ET RHIZOMA RHEI powder sieved with 18 meshes was extracted for 0.5 h with 85% ethanol as solvent under solid-liquid ratio of 1∶10 g/ml. [Conclusion] The technology was scientific and reasonable that could provide scientific basis for optimizing the extraction process of rhein from RADIX ET RHIZOMA RHEI using ethanol as extracting solvent.

    2011年08期 v.2 66-67+71页 [查看摘要][在线阅读][下载 106K]
  • Optimization of the Microwave-assisted Extraction Process of Polysaccharides from FRUCTUS CORNI

    [Objective] To optimize the microwave-assisted extraction technology of polysaccharides from FRUCTUS CORNI. [Method] Firstly, the most 3 influential factors were selected by Plackett-Burman design test with 7 factors on the basis of single-factor test, and the optimum levels of other factors were determined. Secondly, a quadratic polynomial model was established from experimental data that was obtained from the optimization of three main factors by response surface design. [Result] The microwave power, solid-liquid ratio and ethanol volume fraction were the main factors affecting the extraction of polysaccharides from FRUCTUS CORNI. The optimum extraction conditions were as follows: FRUCTUS CORNI powder between 300-450 μm in diameter, solid-liquid ratio of 1∶19.7(g∶ml), microwave power of 624 W, irradiation time of 55 s, extraction temperature of 90 ℃, extraction time of 2 h, ethanol volume fraction of 68.4%. Under the above conditions, the yield of polysaccharides from FRUCTUS CORNI reached 20.94%. [Conclusion] The method was less in error, accurate in data, and available for extracting polysaccharides from FRUCTUS CORNI.

    2011年08期 v.2 68-71页 [查看摘要][在线阅读][下载 186K]
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