[Compared studies on the effect and toxicity of extractions of Fructus Meliae Toosendan in mice].

Objective: To evaluate the effect and acute toxicity of different extraction of Fructus Meliae Toosendan.

Methods: Samples were extracted from Fructus Meliae Toosendan using petroleum ether (I), ethyl acetate (II), 80% alcohol (III) or water (IV). Miceś writhing response were induce by ip 0.

[Quantitative analysis of volatile oils and isoimperatorin in rhizoma et Radix notopterygii].

Objective: To establish scientific and efficient quality control standard of Rhizoma et Radix Notopterygii through two quantitative parameters.

Method: The contents of isoimperatorin and volatile oils in 29 commercial samples from 22 localities of Rhizoma et Radix Notopterygii were determined by HPLC and the method in the pharmacopoeia respectively. The data were statistically analyzed.

[Protective action of ulinastatin against lipopolysaccharides-induced acute lung injury in mice and the relation of it to iNOS and c-Jun expressions].

Aim: To study the protective action of ulinastatin against lipopolysaccharide (LPS)-induced acute lung injury in mice and the mechanism of its action.

Methods: Mice were intraperitoneally injected with ulinastatin (50 and 100 ku x kg(-1)) or saline at a period of 12 h, separately, 30 min after the last injection of ulinastatin, except normal control, all mice of other groups were injected a dose of LPS 15 mg x kg(-1) via tail vein. The levels of TNFalpha in serum and lung were measured by ELISA.

[Effects of seeding and sowing methods on the yields of root tubers of Curcuma longa].

Objective: To provide a scientific basis for standardizing the cultivation method for Curcuma longa.

Method: Plant heights and seeding numbers were sampled periodically, the plot yields were counted a tharvested.

Result: The effects of seeding method on yields, plant height and number were significant.

[Studies on the preparation technology of beta-cyclodextrin inclusion compound for chuanxiong volatile oil extracted with CO2 supercritical fluid].

Objective: To explore the preparation technology of beta-cyclodextrin inclusion compound for chuanxiong volatile oil.

Method: Orthogonal test was used to evaluate the influence of the 4 factors, including the proportion of volatile oil to beta-cyclodextrin, the mode of mixing, inclusion temperature and mixing time.

Result: The best inclusion condition is the proportion of volatile oil to beta-cyclodextrin 1:9, the mode of mixing grinding, inclusion temperature 60 degrees C and inclusion time 90 min.

[Effects of rhein on the function of human mesangial cells in high glucose environment].

Aim: To study the mechanisms of anti-diabetic nephropathy of rhein on cultured human mesangial cells (HMCs).

Methods: To mimic the hyperglycemic (HG) environment of diabetic nephropathy, 30 mmol x L(-1) glucose were added to 10% FBS RPMI 1640. The HMCs were treated with rhein for 8, 24, 48 or 72 h, at these time, the bioactivity, total activity of transforming growth factor-beta1 (TGFbeta1), activity of p38MAPK (p38 mitogen-activated protein kinases, by using immunoprecipitate and Western blot), MMP-2 (matrix metalloproteinase-2), and MMP-9 (matrix metalloproteinase-9, by using gelatinase zymography) and the proliferation of HMCs in high glucose media were measured.

[Studies on the chemical constituents of Pseudotsuga sinensis].

Aim: To study the chemical constituents of Pseudotsuga sinensis Dode (Pinaceae).

Methods: To separate the constituents of P. sinensis by using various kinds of chromatography and identify their structures on the basis of spectral analysis.

[Morphological and histological identification of Lysimachia christinae].

This paper reports the identification of morphological and histological characteristics of Lysimachia christinae. It can supply basis for the identification of the true and false medicinal materials.

[Studies on medicinal plant resources of heizhu ravine in Ebian County and their sustainable utilization].

Objective: To find out the medicinal plant resources of Heizhu Ravine in Ebian County and put forward some principles and measures for their sustainable utilization.

Method: On-the-spot investigation and sample measuring, calculating, visiting and assessing.

Results: The general situation about these resources was expounded.

[Chemical constituents of Tetrastigma hemsleyanum Diels. et Gilg].

Objective: To investigate the chemical constituents of Tetrastigma hemsleyanum.

Method: Compounds were separated by rechromatography on silica gel from the chloroform solubles of its ethanol extracts, and the structures were determined by spectral analysis and chemical evidence.

Result: Three compounds were isolated and elucidated as 6'-O-benzoyldaucosterol, daucosterol and beta-sitosterol.

[A preliminary study on alternation of generations of Cordyceps sinensis (Berkey) Sacc].

The insect pathogeny of parasitic hepialus by Cordyceps sinensis is, reported in this paper. The infestation of hepialus larvae by Cordyceps sinensis, growth and reproduction of hypha body in the hemolymph of host larvae, growth of stroma, maturity of hymenium and the abjection and germination of ascospores were observed.

[A survey on botanical origins of drug tiannanxing produced in Sichuan].

According to the investigation and identification of botanical origins of 7 species and 1 variety of the traditional Chinese drug Tiannanxing produced in Sichuan, it has been found out that the main species available on the market are Arisaema erubescens and A. heterophyllum, while A. asperatum, A.

[Studies on the chemical structure of lucyoside R from leaves of Luffa cylindrica roem].

A new pentacyclic triterpenoid saponin, lucyoside R, has been isolated from the leaves of Luffa cylindrica along with lucyoside G. Its stucture was established as 2 alpha, 21 beta-dihydroxyhederagenin-3-O-beta-D-glucopyranoside based on spectral and chemical evidence.

[Contents of free amino acids and water-soluble carbohydrates in Curcuma longa L. at different stages of growth].

Closely related to the development of plant organs, the contents of free amino acids and water-soluble carbohydrates in Curcuma longa vary with the course of growth. The ratio of the two contents rises with the growing periods, and reaches a maximum in the later stages of growth.

[Ontogeny of Curcuma longa L].

Based on the research of growth of organs, accumulation of dry matter, distribution of photosynthetic production and displacement of growth centre, the growth of turmeric can be divided into three stages. There are 13 leaves in the life of turmeric. Leaf formation takes place rapidly to form 8 leaves in the seedling stage.

[Effects of new constituents L-6a and L-10 from leaves of Luffa cylinderica on learning, memory, and hippocampal somatostatin in rats].

Aim: To study the effects of two constituents L-6a and L-10 from the leaves of Luffa cylinderica Roem on learning, memory, and hippocampal somatostatin in rats.

Methods: The learning and memory in rats were determined using the passive avoidance response of shuttle-box, by i.c.

[Pharmacological actions of different species form genus Pyrola].

This paper reporst the pharmacological actions and toxicities of the water extracts from Pyrola calliantha, Pyrola decorta and P. forrestiana. The results show that the actions of P.

[Comparison of pharmacological studies on ootheca Mantidis].

The pharmacological effects of three species of Ootheca Mantidises were compared. The results indicate that Tenodera sinensis can increase the index of testis and thymus gland, and has an antidiuretic effect in mice; Statilia maculate can prolong the swimming time and ordinary pressing anoxia, increase the index of spleen and thymus gland, raise the temperature in mice, decrease the content of LPO in liver of the hypercholesteremia rats, and has an antidiuretic effect; Hierodula patellifera can increase the index of testis and thymus gland, raise the temperature in mice, and decrease the content of LPO in liver of the hypercholesteremia rets. The LD50 of the three species of Ootheca Mantidises are all over 320 g/kg.

[A model atlas of the crude drug Radix Ophiopogonis in tri-dimensional computer reconstraction from their serial transections].

In this paper, the tri-dimensional computer reconstruction and animated display from the serial transections of the crude drugs Radix Ophiopogonis and Radix Liriopes have been achieved. Accordingly, some tri-dimensional image techniques and information for the computer aided teaching and identification of pharmacognosy have been offered.

[Investigation on new resources of medicinal plant Scrophulariaceae in Sichuan province].

In this paper, 3 species of Scrophulariaceae which are found in Sichuan for the first time and 15 species of the same plant with their medical effects are reported. All of these species are described in detail including their distributions, environments and functions.

[Tri-dimensional computer reconstruction and animated display from serial sections of the Chinese crude drugs].

In this paper, the tri-dimensional computer reconstruction and animated display from serial sections of the genuine crude drug Radix Aconitii have been addressed. Accordingly, some tridimensional image technique and information for the teaching and identification of pharmacognosy have also been offered.

[Studies on the iridoid glucosides of the root of Lamiophlomis rotata (benth.) kudo, a medicinal plant in Xi zang (Tibet)].

Lamiophlomis rotata (Labiatae) is a Chinese folk medicinal plant in Xi-zang (Tibet), which has effects of promoting blood circulation to remove blood stasis, subduing swelling and alleviating pain. Four iridoid glucosides were isolated from the root of the species. On the basis of IR, UV, NMR, MS spectral data and chemical methods, their structures were identified as: 8-O-acetylshanzhiside methyl ester(I), 6-O-acetylshanzhiside methyl ester(II), penstemoside(III) and 7, 8-dehydropenstemoside(IV).

[Effect of light colours and illumination intensity on the sexual behaviour of Hepialus gonggaensis Fu et Huang].

The sexual behaviour of Hepialus gonggaensis has close relations with ecological environment and varies with its ecotypes. The more intense the illumination, the faster the sexual drive of Hepialus gonggaensis begins and the longer its sexual intercourse continues, light colours have a bearing on its sexual intercourse time. This study has provided an evidence for the artificial cultivation of Hepialus gonggaensis.

[Effect of cultivating measures on the tuber yield of Curcuma longa L].

The effect of cultivating measures on the tuber yield of Curcuma longa was observed. dibble planting has been proved move effective in raising the tuber yield than drill culture, and the dibble planting quantity has no effect on the tuber. The rational producing area, soil, seed tuber and so on were selected according to the experiments.