[Research status of insect infestation of Chinese medicinal materials during storage].

During the storage process, Chinese medicinal materials are susceptible to insect infestation due to their own nature and external storage factors. Infestation by insects can have varying impacts on the materials. In mild cases, it affects the appearance and reduces consumer purchasing power, while in severe cases, it affects the quality, reduces medicinal value, and introduces impurities such as insect bodies, excrement, and secretions, resulting in significant contamination of the medicinal materials.

[Analysis of factors related to oil-spilling and establishment of limit standards of Asparagi Radix].

Some samples of Asparagi Radix were collected from medical markets.Colors of Asparagi Radix were observed by human vision and recorded to judge whether samples were degenerative.Water content of Asparagi Radix was determined by a drying method.

[Qualitative and quantitative research on sulfur fumigation of Angelicae Dahuricae Radix (Baizhi) by near-infrared spectroscopy].

The contents of coumarins in the sulfur fumigated Angelicae Dahuricae Radix (Baizhi, ADR) were reduced significantly. To achieve the quality control of ADR, the qualitative identification of sulfur fumigated ADR and quantitative model of imperatorin content should be established. The near-infrared (NIR) spectrograms of non-sulfur and sulfur fumigated ADR were collected by NIR diffuse reflectance spectroscopy technology and pretreated by the method of first derivative derivation and vector normalization.

[Chemical constituents contained in fatty oil from seeds of Cucumis sativus].

Objective: To study the chemical constituents contained in the seeds of Cucumis sativus.

Method: The fatty oil was extracted by heating and refluxing with petroleum ether. Potassium hydroxide-methanol solution was used for saponification.

[Review about structure-function relationships of anthraquinone derivatives from Radix et Rhizoma Rhei].

It review the structure-function relationship of natural anthraquinone derivatives from Radix et Rhizoma Rhei. The anthraquinone derivatives had many identical activities because they have the identical mother nucleus; but the strength of their activities were different, because they have different substitution groups. The anthraquinone derivatives shown the obvious structure-function relationship in many respects, such as antioxygenation, antibiosis, anticancer, the influence of immunity and so on.

[HPLC determination of chemical constituents produced in Radix Polygoni Multiflori after processing].

Objective: To analysis the changes of two chemical constituents, namely 2, 3-dihydro-3, 5- dihydroxy-6-methyl-4H-pyran-4-one (DDMP) and 5-hydryoxymethyl-furfural (5-HMF) produced in Radix Polygoni Multiflori after processing, with processing time, and to determine the contents of 5-HMF in samples of Radix Polygoni Multiflori and Radix Polygoni Multiflori preparata.

Method: An HPLC method was applied with a Zobax SB-C18 (3.9 mm x 150 mm, 5 microm) column by a elution using methanol-water (10: 90) as the mobile phase.

[New chemical constituents from Radix Polygoni Multiflori after processing].

Objective: To study the new chemical constituents from Radix Polygoni Multiflori after processing.

Methods: Various kinds of chromatographic methods were used to deparate the chemical constituents from Radix Polygoni Multiflori after processing. Their structures were determined by NMR and MS spectral data.

[Chemical constituents in unsaponifiable matter from seeds of Trichosanthes hupehensis].

Objective: To study the chemical constituents of unsaponifiable matter from the seed oil of Trichosanthes hupehensis.

Method: The fatty oil from the seeds of T. hupehensis was extracted with petroleum ether.

[Effects of testosterone and cortisol in sports fatigued organism by Chinese material medica of shixiang yaofa].

Objective: To study the endogenous hormone of testosterone and cortisol that secretes volume and rhythm in sports fatigued human bodies and animals. To determine secretory volume and rhythm in sports fatigued human bodies and animals when Shixiang yaofa's drug are used.

Method: Radio-immunity method was used to determine secretory volume and rhythm in sports fatigued human bodies and animals and to analyze secretory volume and rhythm.

[Chemical constituents of unsaponifiable matter from seed oil of Momordica cochinchinensis].

Objective: To study the chemical constituents of unsaponifiable matter from the seed oil of Momordica cochinchinensis.

Method: The fatty oil from the seeds of M. cochinchinensis was extracted with petroleum ether, and the saponification was carried out with potassium hydroxide.