alkaloid

Theobromine, like caffeine, and also like the asthma drug theophylline, belong to the chemical group known as xanthine alkaloids.

The water solvable parts of the total alkaloids of S. alopecuroides inhibited caterpillars " feeding significantly. "

Conclusion The content of total alkaloids in herba leonuri was all high, but seeding time in spring was more suitable.

Ultrafiltration followed by discontinuous diafiltration was carried out to examine the result of purification of alkaloids.

After seeding, the total alkaloids of E. sinica, ephedrine and pseudoephedrine content in aerial part increased fast.

Study on the Microwave-Assisted Extraction of the Total Steroidal Alkaloids from Solanum nigrum L.

UV was used to determine the process parameters by compared with synephrine, and the content of total alkaloids from eluent as criteria.

In literature, the two alkaloids had antibacterial activity and the total alkaloids from Macleaya microcarpa had acaricidal activity.

Results: The main ingredients with reproductive toxicity are alkaloids, glycosides, toxoprotein, animal toxins, phenols, heavy metals etc.

Conclusion: The total alkaloids in rhynchophylla have the effects of protecting vascular endothelium and inhibiting cell aging.

Nitrogen application combined with phosphorus application significant influence alkaloids concentration and Total alkaloids yield.

This method is practical and simple without using complex equipment and it could be used for determination of total alkaloids in Fri. . .

Most of alkaloids have significantly physiological activity, which are the effective ingredients in many medicinal plants.

Vinblastine is one of the alkaloids from catharanthus roseus.

Objective To obtain effective materials from the total alkaloids of Fuzi Lizhong sustained-release tablets.

Meanwhile, these alkaloids also could effectively reduce the eclamptic ratio of the mice and significantly prolong the convulsion latency.

RESULTS In the thin-layer chromatogram of Rhizoma Arundo donax L. , the spots of the main alkaloids were round, clear, and well separated.

The applications of cinchona alkaloids and parts of their derivatives in asymmetric synthesis were reviewed with 34 references.

cigarettes . determination of alkaloids retention by the filters . spectrometric method.

All of the above results demonstrated that the mulberry polysaccharide, flavonoids and alkaloids could prevent and treat diabetes.

Objective: To test the different methods of extraction result of total alkaloids from Semen Strychni.

Alkaloids , as substances with physiological activity, are effective components of many drug plants.

Result: The peaks' type and number of different drying methods extracts was same, slight differences in the content of Evodia alkaloids.

or accidental ingestion of belladonna alkaloids or other classes of drugs with atropinic properties is a major cause of poisonings.

METHODS Acidic dye colorimetry with bromothymol blue as ion pair reagent was employed to determine the alkaloids in samples.

Tobacco - Determination of the content of total alkaloids content as nicotine - Continuous-flow analysis method.

Asteroidea (starfish) contains saponins, sterols, anthraquinones, alkaloids, phospholipids and some other components.

Banana: Banana contains substances called alkaloids, can inspire the human spirit and improving confidence.

MethodsThe factors that affect the result of purification to total alkaloids were determined.

Simple and accurate method for water phase extraction and liquid chromatographic determination of alkaloids in tobacco was established.

The current study provides useful information for the introduction and breeding of high-alkaloids content C. roseus varieties.

RESULTS: In different varieties, the differences of total alkaloids and diester diterpenoid alkaloids were significant.

It is found that the pod of the seeds of Gleditsia sinensis Lam. contains tannins, alkaloids, organic acid, carbohydrates, and axunge.

Conclusion: Water-solubility alkaloids of Eucommia male flowers possess obviously sedative and hypnotic effects in mice.

Conclusion: Total alkaloids from Sinisan can be purified by cation resins. The purification process is simple and affordable.

Macleaya includes a variety of alkaloids with activity, which has a broad application prospects in animal production.

The result showed that both product of tissue culture and cultispecies contain imperialine which is an essential elements of the alkaloids.

They include alkaloids, steroids, phenolics, saponins, tannins, resins, essential oils, various organic acids, and other compounds.

The result showed that The migration distance of VSMC was decreased as the concentration of Sophora Flavescens Alkaloids increasing.

OBJECTIVE: To research the content of alkaloids and polysaccharides in different varieties of Aconitum carmichael i.

It is concluded that the plants consist of amino acids, vitamins, inorganic elements, flavonoids, tannins and alkaloids, ect.

Appendices are included, as are a listing of alkaloids, plants containing alkaloids and some basic protocols of alkaloid analysis.

Mate also contains caffeine; xanthine alkaloids (including a mood elevator and muscle relaxant found in chocolate).

Relationships of some families of dicotyledons and genera of Papaveraceae viewed from the stand points of their isoquinoline alkaloids.

The plant of Lycoris radiate. Herb is a novel starchy feedstock that contains various alkaloids and polysaccharide.

Senecio liver toxic components contain pyrrolizidine alkaloids. Their existence has been generally concerned about the potential risks.

Bisindole alkaloids are a family of very important natural products isolated from marine organisms recently .

Of course, alkaloids can serve as plant hormone as well.

Alkaloids, for their physiological autivity are one of the effective components in many medicine herbs.

The alkaloids are the main components of gelsemium elegans.

The alkaloids of Zanthoxylum and problem on the combination of two subgenera.

Abstract: Objective: Study the sedative and hypnotic effects of water soluble alkaloids in Eucommia male flowers with different dose.

Strychnine is used to kill rodents and pyrrolizidine alkaloids have significant activity against microbes.

Bananas contain substances called alkaloids, can boost morale and improve confidence.

Hallucinogenic alkaloids produced by this fungus Can lead to altered behavior, abortion, and death if infected grains are eaten.

The Alkaloids of Astragalus variabills Bunge (yellow flower) was the main high polar part, accounting for about 97. 25%.

In it, there are many compounds with different structures, including alkaloids, organic acids, anthraquinone, and cyclopeptides.

Alkaloids are alkaline nitrogenous organic compounds, which are widely existed in the natural plant.

Ionizing Rule and Characteristic Spectra Analysis of Electrospray Ionization for Alkaloids in Menispermum Dauricum DC.

Vegetable alkaloids, natural or reproduced by synthesis, and their salts, others, esters and other derivatives.

The conclusions of containing glycosides, alkaloids, drugs, proteins, mushroom and other components of food fast.

Banana contains a substance called alkaloids, can boost morale and improve confidence.

Preliminary Study on Ultrasonic Extraction of Total Alkaloids from Seeds of Peganum harmala L.

a lot of bromopyrrole alkaloids have been isolated from marine sponges , and exhibited good or excellent biological activities.

Method Review the influence of bionomics, phenological phase, yield and total alkaloids in herba leonuri at different seeding time.

OBJECTIVE: To determine content of aconitine type alkaloids in Baoxin decoction.

Objective: To analyze the transformation of lipo-alkaloids in the Kusnezoff Monkshood root under high temperature and pressure.

The results show that feeding macleaya alkaloids can improve the quality of chicken carcass.

The mass spectrometric behavior of four types of Stemona alkaloids was studied.

Method: Alkaloids determined by the Ammoniun Reineckate-Differential-Colorimetry method.

Sweating " may further decrease the alkaloids content. "

Some researchers have speculated that a group of compounds in the vegetables called alkaloids might worsen inflammation in sensitive people.

This article reviews the recent progresses in the studies of marine bis(indole) alkaloids .

Pyrrolizidine alkaloids are a large class of natural products with hepatotoxicity and have been identified in more than 6 000 plant species.

OBJECTIVE To establish a new TLC method for identification of some active components alkaloids in Rhizoma Arundo donax L.

It is shown that all cultures are producers of alkaloids and mycotoxins that belong to different structural groups.

The active ingredient for opium alkaloids, most notably morphine.

Camptothecin is a kind of anti-cancer activity of terpene indole alkaloids. Camptothecin has important uses and research value.

Sophora Flavescens Alkaloids can significantly inhibit the vasculars smooth muscle cell proliferation and migration in vitro.

The occurrence of some important tropane alkaloids in Chinese solanaceous plants.

He was given narcotics, barbiturates and ergot alkaloids.

It is a precursor of many aromatic compounds and of alkaloids such as curare and morphine.

ConclusionThe optimum purification technology of total alkaloids from Rhizoma Coptidis is simple, stable and feasible.

Diagnosis is based on history of exposure, physical symptoms, chemical detection of alkaloids in the stomach contents, serum or urine.

EXPLORATION FOR PESTICIDE ACTIVITY OF ALKALOIDS FROM SOPHORA ALOPECUROIDES L.

Objective: To find the rule of accumulation and distribution of Alkaloids of Cortex Magnoliae Officinalis.

abstract: Objective: To explore the South Tinglizi determination of total alkaloids in the method.

Most of active ingredients of medicinal plants are secondary metabolites including alkaloids, terpenoids, phenols, glycosides , and so on.

Objective: To compare influence of different drugs to the quantities of alkaloids of Bulbus Fritillariae thunbergii .

They are a source of ALKALOIDS; STEROLS; and other complex molecules useful in medicine and biological research.

CONCLUSION: The process is stable and feasible for the extraction of total alkaloids from C. decumbens.

Besides, the biosynthetic approach of the alkaloids is summarized. 1.

Results: Berberine hydrochloride and total alkaloids in root or stems of 3 species were determined.

Furthermore, H. assulta and H. armigera have stronger ability of nicotine metabolism and alkaloids excretion capacity than S. liter.

Study on Extraction of Alkaloids from the Stem of Solanum melongena Linn.

AIM: To investigate the effect of lobelia chinensis lour alkaloids (LCLAs) on vascular remodeling in renal hypertension.

The effect of nitrogen on growth, total alkaloids concentration and total alkaloids yield of Sophora flavescens was studied.

In vivo process of protoberberine alkaloids by oral administration is relatively complex.

Alkaloids are extracted by dissolving the plant in dilute acid.

The alkaloids refer to some organic compounds which contain nitrogen atom except proteins, peptides, amino acids and vitamin B.

Betel seeds are eaten, which contain alkaloids that have a stimulating effect on the entire body.

However, Ag played a limited role in the biosynthesis of alkaloids in A. acutangulus hairy roots.

Their bright coloration is associated with their toxicity and levels of alkaloids.

OBJECTIVE To investigate into the anti - tumor effect of total alkaloids of Radix Sophorae Tonkinensis .

Now as one of the major sources of Beimu, it contains 10 steroid alkaloids, 2 diterpenes and 3 diterpenoid dimers.

Studies on Extraction of Alkaloids in seeds of Sophora alopecuraides L.

It is also used illicitly, either raw or purified as alkaloids and their derivatives (including heroin).

Determination of Alkaloids in Portulaca Oleracea L.

Nitrogenous compounds such as alkaloids interfere with the KF chemistry and may give misleading results .

The opposite of acids are bases, or alkaloids.

Study on extraction process of alkaloids in sophora alopecuroides L.

Aim To investigate the alkaloids of Thesium chinense Turcz.

Objective: Compare the effect on alkaloids of Bulbus Fritillariae thunbergii in different menstruum.

The anti-tumor mechanism of alkaloids in Sophora flavescens Ait has been breaking in the level of cell and metabolism and gene.

It may be composed of allelochemics such as alkaloids or terpenes.

t is thought that compounds found in potatoes - called alkaloids - have an antacid effect.

Under the conditions of optimal extraction process, the average total alkaloids extraction rate was 0. 211%.

But refine the alkaloids in coca, and you get cocaine.

This experiment was carried out by supercritical CO2 fluid technology to extract the drifting alkaloids from Fritillaria cirrhosa.

We can extract alkaloids from Sophoraflavscens Ait and stemona by using HSCCC.

Motherwort by observing the total alkaloids of acetic acid in mice caused pain to understand the impact of its analgesic effect;

Objective: To study the extract technology of alkaloids chemical constituents in Berberis triacanthophora Fedde.

Trial 2 was conducted to study the effects of macleaya alkaloids on the intestinal morphological structure and gut flora in chickens.

AIM: To study the anti-inflammatory and antipyretic effects of total alkaloids of Aconitum sungpanense Hand-Mazz (TAS).

abstract: Aim To study the analgesic and anti-inflammatory effects of total alkaloids from Stephania hainanensis H.

abstract: OBJECTIVE: To study the extraction technology of total alkaloids from Corydalis decumbens by supercritical CO2 extraction.

Object To study the chemical constituents of alkaloids of Amsonia sinensis Tsiang extracted with methanol.

Objective: To study the effect of total alkaloids Extracts of lotus leaf on the lipids of hyperlipemia rats.

Determination of the total alkaloids of pinellia tuber and its anti-vomiting study in minks

Belladonna alkaloids, semisynthetic, quaternary ammonium compounds

Study on the total alkaloids in fumitory and melia toosendanin and their combinations

Synthesis of Chiral Diamine Ligands Derived from Cinchona Alkaloids and Their Catalytic Performance for Asymmetric Transfer Hydrogenation

Comparative study of uniform design and orthogonal design in the extraction of Gelsemium alkaloids

Determination of the Coptis Extract Alkaloids Using Near-Infrared Diffuse Reflectance Spectroscopy

Advances of the Determination of Alkaloids in Traditional Chinese Medicine by Capillary Electrophoresis

Promoting Effects of the Total Alkaloids of Sophora alopecuroides on Tree Growth

for his investigations on plant products of biological importance, especially the alkaloids

Cigarettes - Determination of alkaloids in smoke condensates - Spectrometric method

Effects of Veratrum nigrum var. Ussuriense alkaloids on platelet aggregation and time of coagulation and bleeding

Results: Water-solubility alkaloids of Eucommia male flowers could induce mice to significantly inhibit the spontaneous activity;

In vitro experimental study of the anticancer effect of total alkaloids of Tripterygium hypoglaucum

Lobelia Chinensis Lour Alkaloids Inhibiting Rat Aortic Vascular Smooth Muscle Cell Proliferation Induced by Endothelin

Determination of ephedrine alkaloids in Ephedra sinica by nonaqueous capillary electrophoresis

Progress of study on pharmacological activities and mechanisms of benzylisoquinoline alkaloids

Advances in studies on biological activity and structure-activity relationships of isoquinoline alkaloids

The separation of alkaloids using preparative high speed countercurrent chromatography from chinese herbs

Preconcentration and separation of tobacco alkaloids by capillary zone electrophoresis

Technological Improvement of Yiqi Huiyang Injection and Limited Determination of Diester Alkaloids

Determination of ephedrine alkaloids in extract powder of ephedra sinica by high performance liquid chromatography

Separation of ephedrine alkaloids and non-ephedrine alkaloids in Ephedra sinica and study on thrombolysis effect of non-ephedrine alkaloids

Study on Extraction Technology of Alkaloids from Thermopsis lanceolate by Supercritical Carbon Dioxide

The Extraction, Isolation and Identification of Alkaloids from Thermopsis Lanceolate

On Extraction, Isolation, Identification and General Toxicity of Gelsemium Total Alkaloids

Analysis of Acontium Alkaloids in the Roots of Baishan Aconitum Plants by Electrospray Ionization-Tandem Mass Spectrometry

Determination of two alkaloids in Nitraria tangutorum Bobr. Seed by capillary electrophoresis

Studies on the Antiasthmatic Effect and Its Mechanism of Total Alkaloids from Fritillaria pallidiflora in Guinea Pigs

Study of Aconitum Alkaloids using Mass Spectrometry

Purification of Rhizoma Corydalis Decumbentis total alkaloids by ultrafiltration membrane technology

Effects of different pH buffer solution and corneum on the absorption of Aconitum alkaloids introduced by direct current in vitro

Determination of Total Alkaloids from Aconitum Medicinal Plants in Sichuan by Acid Dye Spectrophotometry

Application of Microemulsions to the Thin Layer Chromatographic Analysis of Alkaloids

Plasma Concentration and Tissue Distribution of Total Alkaloids of Lianzixin after Intragastric and Intravenous Administration in Rats

Checking and measuring double-ester alkaloids in aconites medicinal materials and in unknowing materials poisoning cases

Study on the Antibacterial Activity of Isoquinoline Alkaloids by Microcalorimetry

Resolution of Chiral Drug Enantiomers of Alkaloids by High Performance Liquid Chromatography

Studies on Electrospray Ionization Mass Spectra of Diterpene Alkaloids From Spiraea japonica

Affection of Thunberg Fritillary bulb omni-alkaloids on Pharmacokinetic of Aconite Alkaloids in Rabbit

Plants Containing Pyrrolizidine Alkaloids and Their Hazards to Animal Husbandry

The overview to chemical constituents and pharmacological activities of pyrrolizidire alkaloids from the boraginaceae

Effects of Phenolic Alkaloids of Menispermum Dauricum on Platelet Aggregation and Its Mechanism

Preparative Separation of Alkaloids from Cortex Phellodendri by High Speed Countercurrent Chromatography

drugs compatibility; Acid dye colorimetry; Total alkaloids contents;

Determination of Alkaloids in Cigarettes by Capillary Zone Electrophoresis

Chemical Ecology of Alkaloids and its Application in Pest Management

Capillary Gas Chromatographic Determination of Alkaloids in Tobacco

Analysis of alkaloids by high performance capillary electrophoresis

Progress of extraction and purification of alkaloids from botanical pesticides

Pharmacokinetics of the alkaloids from the processed seeds of Strychnos nux-vomica in rats

Studies on Quality Standard of Alkaloids in Strychnos nux-vomica by Capillary Zone Electrophoresis

Study and utilization of acridone alkaloids, the natural bioactive compounds from citrus

Isolation and identification of two related alkaloids in Huangyangning

Effects of total alkaloids from Rhizoma Corydalis Decumbentis on scopolamine and D-galactose-induced learning and memory impairment in rats

Study on Aconitum diterpenoid alkaloids from flowers of Aconitum kusnezoffi and its decoction by ESI-MS

Protective effect of Uncaria rhynchophylla total alkaloids pretreatment on hippocampal neurons after acute hypoxia

Advances in studies on analytical methods and pharmacokinetics of alkaloids in Sophora Root

Effects of alkaloids from Sophora alopecuroids on the activities of digestive and protective enzymes in Clostera anastomosis

Changes of Free and Total Alkaloids in Tobacco during Conditioning, Casing and Drying Processes

Contact laxatives in combination with belladonna alkaloids

Skin Safety Study of Aconite Total Alkaloids Patch

Electrospray Ionization Mass Spectrometry for Analyses of Alkaloids in Sophoraflavescens Ait

Neuroprotection of Veratrum nigrum var. Ussurience alkaloids on focal cerebral ischemia-reperfusion injury in rats

High Performance Liquid Chromatography of Some Alkaloids on n-Octadecylphosphonic Acid Modified Magnesia-Zirconia Stationary Phase

Extraction of alkaloids from Solanum lyratum Thunb and its antibacterial effect in vitro

Effects of phenolic alkaloids of Menispermum dauricum on the hemodynamics and coronary circulation in anesthetized dog

In this study, flavonoids and alkaloids of whole-plant Sophora alopecuroides were prepared by applying conventional methods;

Advances in extraction of alkaloids by supercritical fluid extraction

Study on Content Variation of Chemical Constituents During Combination of Rhizoma Coptidis Alkaloids with Fructus

Metabolites of Aconitum alkaloids from compound formula of Chinese medicine in human body

Separation of alkaloids from swertia mileensis by high-speed countercurrent chromatography

Study on Optimum Extraction Conditions of Alkaloids from Pinellia ternate

Study on extraction conditions of flavonoids and alkaloids from mistletoe

Determination of the Content of Alkaloids in Wild Pinellia ternate

Effects of Vera-U alkaloids on action potential and calcium current of cardiac myocytes in guinea pigs

Antimutagenic activity of phenolic alkaloids from menispermum dauricum

Extraction and separation of koumine from Gelsemium alkaloids

Study on direct electrochemical behaviors and the electroanalytical method of matrine type alkaloids at glassy carbon electrode

Mass Spectroscopic Studies on Some Lycopodium Alkaloids

Applications of Cinchona Alkaloids in Chiral Separation

Screening for Antitumor Activities of Strychnos Alkaloids in Vitro

Determination of Alkaloids of Coptis chinensis by Spectral Analysis Based on Local Fitting Principal Component Regression

The preparation and the bio-activity of the hydrochloric salts of the Tripterygium wilfordii alkaloids

Investigation on Dissolution of Phenolic Alkaloids of Menispermum Dauricum Tablet

Photolysis of total alkaloids of Sophora alopecuroides and the effects on imported cabbageworm and vegetable quality

Pharmacokinetics and cumulative toxicity of Veratrum nigrum L. Var. Ussuriense Nakai alkaloids in mice

Generation of alkaloids in cell cultures of Corydalis saxicola Bunting

Rapid Determination of 4 Vinca Alkaloids by Reversed Phase High Performance Liquid Chromatography

Lobelia Chinensis Lour Alkaloids Inhibit Expression of Endothelin-1 mRNA and Protein in Renal Hypertensive Rats

The Application of Regression Model on Eomecon Chinanthe Alkaloids against Oncomelania

Structure identification of four new alkaloids of Goniothalamus cheliensis

Effects of Rhynchophylla total alkaloids on experimental cerebral ischemia

Experimental study on deactivating endotoxin of Sophora Alopecuroides L. Alkaloids in Vitro

Study on extraction procedure for flavonoids and alkaloids in Abrus cantoniensis by orthogonal design

Content Determination of Aconitine-type Alkaloids in Bitongxiao Ointment by Acid-dye Colorimetry

Study on different methods for extraction of alkaloids from mistletoe

Effect of Alkalized Condition on Yield Rates of Total Alkaloids of Flavescent Sophora Root

Research Progress on the Insecticidal Alkaloids of Tripterygium wilfordii

effects of berberine , palmatine and total alkaloids from rhizoma coptidis on cholinergic nerve

Antithrombotic effects of Veratrum nigrum var. Ussuriense alkaloids

Studies on the ultrasonic wave extracting method of total alkaloids in corydalis

Effect of Total Alkaloids from Rhizoma Corydalis Decumbeutis on Platelet Aggregation Function

Effects of Corydalis ambailis migo total alkaloids on experimental cerebral ischemia

Effect of rare-earth elements on callus growth and alkaloids content in Coptis chinensis

Relaxant action of berberine, palmatine and total alkaloids from Rhizoma Coptidis on rat gastric fundus

Progress in extraction and purification of alkaloids

The Dynamic Change of Total Alkaloids Content from Pinellia ternate

Progress of Study on Extraction of Alkaloids by Supercritical Fluid

Study on experimental factors for extraction of alkaloids from Aconitum carmichaili

Regulatory Effects of Total Alkaloids of Tongbiling Prescription on Cellular Immunity in Rats

Study on the extraction and purification of alkaloids from lotus leaves

Studies on tobacco alkaloids in main cigarette processing

Alkaloids Recovery from Natural Plant Extracts

Changes of Alkaloids and Aroma Constituents in Cut Tobacco before and after HXD

Effect of Total Alkaloids from Zanthoxylum nitidum on Gastric Mucosal Defensive Factors in Rats with Gastric Ulcer

Stripping and hydrolyzing balance of aconitic alkaloids in processing of Sini Decoction

Recycling Leaching of Alkaloids from Plant Tripterygium Wilfordii

Tissue distribution of strychnos nux-vomica alkaloids in rats

Extraction and Isolation of Main Alkaloids of Goldenseal

Anti-diabetic mechanism of alkaloids in Coptis chinensis

Effects and mechanism of total alkaloids from Rhizoma Coptidis on ethanol-induced gastric lesion in rats

RP-HPLC determination of the berberine type alkaloids from the Rhizoma coptidis