(1) New Skeleton Diterpenoid Alkaloid from Aconitum Vilmorinianum Kom.

(2) Tryptanthrin is a kind of indole quinazoline alkaloid.

(3) Yohimbine is a kind of poisonous alkaloid.

(4) It has alkaloid, polysaccharide, organic acid and guanosine etc.

(5) Nicotine is a colorless, poisonous alkaloid.

(6) Objective:To study the effects on the alkaloid components in Strychnos nux-vomical L. uncombined and combined with Glycyrrhiza uralensis Fisch.

(7) The systematic pharmacological study shows that this alkaloid possesses good anticholinesterase effect, and therefore it is a new structure type of reversible acetylcholinesterase inhibitor.

(8) Objective To investigate the non - alkaloid constituent of Hippeastrun vittatum ( Amaryllidaceae ).

(9) Yunaconitine, a diterpenoid alkaloid native to Yunnan in the plants of Acordtum species, is the rich-est in content and the widest in distribution, but its toxicity is high.

(10) The invention provides a long pepper total alkaloid extractive separated from long pepper and a preparation method thereof.

(11) Matrine is the main alkaloid of foxtail-like sophora herb and seed and one of newfashioned antitumor drugs.

(12) Object: To improve the extraction method of corydalis alkaloid, and determine the content of tetrahydropalmatine.

(13) The author carried out study on alkaloid extraction of flavescent sophora root grown in Heilongjiang province by solvent process and made major investigation for alkalized part in process.

(14) Caffeine, a purine alkaloid, is a key component of tea and coffee.

(15) Objective:Sinomenine, a alkaloid monomer extracting from a plant Sinomenium acutum, has been used to relieve rheumatoid arthritis in human having well therapeutic effect and a few side effect.

(16) Objective To study the effects of alkaloid of Solanum nigrum on membrane fluidity and membrane protein level of tumor cells in H22 tumor-bearing mice (H22 mice).

(17) Objective:To explore the poisonous effects of the total alkaloid of Papaver Nudicaule L. (TAPN) and its extract on human gene.

(18) Capsicine is a kind of natural plant alkaloid extracted and refined from chilies with special crafts.

(19) Results The alkaloid content was the highest after circumfluence extraction by ethanol acid - base precipitation.

(20) Neferine (Nef) is a dibenzylisoquinoline alkaloid isolated from a Chinese medicinal herb ( Nelumbo nucifera Gaertn ).

(21) Soladulcidine is a steroidal alkaloid abundant in Solanum dulcamara L. with antitumor and other biological activities.

(22) Sanguinarine belongs to the benzophenanthridine alkaloid analog, and is derived mainly from the root of Sanguinaria Canadensis L. (), Chelidonium majus L.

(23) Never use aluminium as poisonous seepage will react with the plant alkaloids and its vitamin content, thus damaging the therapeutic properties.

(24) Papaver somniferum, is the only commercial source of codeine, an alkaloid widely used in cough suppressants and pain killers.

(25) Not just a beautiful flower, papaver somniferum contains the natural alkaloid morphine which is used and abused the world over.

(26) The natural product library 1 (see image 1) is made of 1,271 different compounds, based on the alkaloid cytisine, and delivers VE-PTP inhibitors in the low, micromolar range.

(27) The natural aldehyde compounds are present as phenylpropanoid, terpenoid , saponin, alkaloid, coumarin, anthraquinone and so on.

(28) Objective : To observe the expectorant and relieving cough effects of total alkaloid from Chelidonium majus L.

(29) A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from Oxytropis glabra.

(30) Osmuim-catalyzed asymmetric dihydroxylation reaction (AD reaction) of olefins, with cinchona alkaloid derivatives as chiral ligands, is the most effective method to obtain chiral vicinal diols.

(31) To understand the principal of using ion - exchange resin to extract alkaloid.

(32) This paper belongs to one part of research of yohimbine alkaloid.

(33) It was found that both Smilax china L and Smilax glabra Roxb contain alkaloid.

(34) Conclusion ? Alkaloid salt possesses better effect on lowering blood lipid than alkaloid.

(35) Coniine, an alkaloid drug narcotic to insects, has been discovered in the nectar-like secretions of at least S. flava.

(36) Objective : To study the alkaloid constituents of Phlegmariurus fordii ( Baker ) Ching.

(37) It's actually an alkaloid plant toxin (like nicotine and cocaine), a bug killer that stimulates us by blocking neuroreceptors for the sleep chemical adenosine.

(38) OBJECTIVE To determine the content of total alkaloid in Kangfengtong Capsule with spectrophotography.

(39) In germplasm evaluation studies of Pinellia ternate, the assaying methods of extractives and total alkaloid are established.

(40) Neferine ( Nef ) is a dibenzylisoquinoline alkaloid from a Chinese medicinal herb ( Nelumbo nucifera Gaertn ).

(41) Chinese herbal drugs are rarity of traditional medicine , which effective constituents are polysaccharide, alkaloid, glycoside, cerolein, et. al.

(42) Morphine: Heterocyclic compound, narcotic analgesic alkaloid originally isolated from opium.

(43) ObjectiveTo determine the total alkaloid and berberine contents in and petiole organs from Coptis omeiensis.

(44) Objective:To analyze the content of guanosine, total alkaloid and individual yield of Pinellia ternata from different populations in China and evaluate its quality.

(45) The alkaloid in embryo of the seed of Nelumbo nucifera Gaertn has many medicinal and health care functions, such as lowering blood pressure, resisting oxidation and protecting the cardiac muscle.

(46) The lotion has total flavescent sophora alkaloid as effective component and glycerin and sodium benzoate.

(47) On the other hand , deoxythymidine might be derived from the combination of pyrimidine alkaloid in tea leaves with microbial secondary metabolite .

(48) Cocaine is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant.

(49) Object To elucidate the structure of a new alkaloid isolated from Fritillaria pallidiflora Schrenk.

(50) Objective To study the effect of Solanum nigrum total alkaloid (SNTA) on sialic acid (SA) and blocking degree of erythrocyte membrane in S180 tumor-bearing mice.

(51) Objective(1) To study the anti-tumor effects of Oxytropis kansuensis Bunge alkaloid fraction on murine ascites sarcoma cell line S180 and research its effect on immunity function at the same time.

(52) Use: Used as an analytical reagent, to determine alkaloid and cesium.

(53) In particular, the chiral phase transfer catalysts (PTC) have been almost limited to Cinchona alkaloid, such as Cinchonine (CN), Quinine (QN) and related compounds.

(54) OBJECTIVE To observe the relieving cough and eliminate phlegm effects of total alkaloid from Chelidonium majus L. (TACM).

(55) This paper reported a main alkaloid 2 - demethyldemecolcine isolated from flowers of Colchicum autumnale Liliaceae, which was introduced from Europe and planted in Yunnan Zaotong, China.

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(56) In natural populations, the correlation of total alkaloid with nicotine and nornicotine decreased, and that with anabasine and anatabine did not change.

(57) Methods The total indole alkaloid was extracted after the calli were treated with fungal elicitors. Then, the determination of ajmalicine and catharanthine was carried out by RP HPLC.

(58) A bitter, colorless alkaloid, C7H8N4O2, derived from the cacao bean, found in chocolate products and used in medicine as a diuretic, vasodilator , and myocardial stimulant.

(59) A crystalline alkaloid, C16H 16N 2O 2, derived from ergot and used in medical research as a psychotomimetic agent.

(60) A new alkaloid, nauelefiline, was isolated from Nauclea officinalis Pierre ex Pitard.

(61) Methods chloroform, ethanol ultrasonic and ethanol infiltration extraction in extracting alkaloid from Vera - U were compared.

(62) Lycorine is a kind of alkaloid constituent which is highly-contained in plant medicine Lycoris radiata .

(63) The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.

(64) Objective To establish a method for the determination of Alkaloid in cut crude drug of aconite root.

(65) Conclusion Dipole, molecular surface area, stability of acid amide bond and Q C13 are important factors affecting the anti-HBV activity of matrine type alkaloid compounds.

(66) A micropipette aspiration technique was adopted to investigate the viscoelasticity of K562 cells and compared with alkaloid of Sophora flavescens Ait treated K562 cells.

(67) Trichodinella of fish was also studied. The results showed that the alkaloid from Sophora flavescens Ait could lustrate Trichodinella ninuta efficiently.

(68) A bitter-tasting crystalline alkaloid, C29H40N2O4, derived from ipecac root and used in the treatment of amebiasis and as an emetic.

(69) A decoction from the plant, containing the alkaloid bursin, has been used medicinally as an antidysenteric , a diuretic, and a febrifuge.

(70) A white, odorless, powdered or crystalline alkaloid, C10H15NO, isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma.

(71) Camptothecin(CPT) is a monoterpenoid indole alkaloid of Camptotheca acuminata, an anticancer plant native in China.

(72) Objective To study the in vivo anti-tumor effect of Oxytropis kansuensis alkaloid fraction (OKAF) in live cancer cell line H22 and its influence on immune function in KM mice.

(73) A poisonous alkaloid, C21H26N2O3, derived from the bark of a tree, Corynanthe yohimbe, and formerly used as an aphrodisiac, a local anesthetic, and a mydriatic.

(74) Galantamine is an alkaloid originally extracted from the bulbs of the plant Leucojum aestivum and shows reversible acetylcholinesterase(AChE) inhibitory activity.

(75) The results showed that the ultrafiltration with discontinuous diafiltration could effectively remove proteins and other impurities. The recovery ratio of alkaloid from the permeate was high.

(76) Study on Relation between Collecting Stages and Alkaloid Content of Sophora flavescens Ait.

(77) The effect of extractives on lustrating Trichodinella of fish was also studied. The results showed that the alkaloid from Sophora flavescens Ait could lustrate Trichodinella ninuta efficiently.

(78) Objective To optimize the extract technology for Veratum nigrum var . ussuriense Nakai ( Vera - U ) alkaloid.

(79) A yellowish-white, amorphous powdered alkaloid, C36H51NO11, obtained from sabadilla seeds and from the rhizome of hellebore.

(80) Berberine is isoquinoline alkaloid, which has many pharmacological activities, and recently its effect on heart failure was found.

(81) METHOD Alkaloid was first turned into hydrochloric alkaloid, which was made to react with bromothymol blue, and the total alkaloid was then extracted using chloroform for determination.

(82) ResultsRhizome, fibre, lamina and petiole organs obtain alkaloid and berberine contents.

(83) Objective To study the alkaloid structures of stemona japonica Miq.

(84) It is a curare alkaloid derived from the South American plant.

(85) Conclusion: 1 . The overall alkaloid of radish's seed can resist hypertension. 2 . "

(86) A poisonous, crystalline alkaloid derived from certain nightshade plants, especially Egyptian henbane.

(87) To develop an RP-HPLC method for the determination of Chelerythrine in total alkaloid of macleaya cordata.

(88) Result The method of determining Alkaloid content in crude drug of aconite root was established and 25 lots of crude drugs were determined.

(89) Conclusion It has good prospect in development and application for isoquinoline alkaloid composition of Tongbangchui.

(90) Two terpene alkaloid of meadowsweet is elaborated to be true alkaloids based on its serine biogenesis. The possibility of biomimetically synthesizing their analogues from iridoids is discussed.

(91) An alkaloid, C19H22N2O, derived from the bark of various cinchona trees and used as an antimalarial agent.

(92) Berberine is an isoquinoline alkaloid with a long history of medicinal application. It has been used as an antipyretic, antidotal and antibacterial drug for many years.

(93) Heroin: Heterocyclic compound, a highly addictive alkaloid derivative of morphine (chemically, it is diacetylmorphine) that makes up a large portion of illicit narcotics traffic.

(94) Alkaloid glucoside is contained in potato bud and green tomato (Long Kui alkaline) , ate these two kinds of alimental any a kind hind, after take food 10 minutes appear to several hours symptom.

(95) Colchicine, the major alkaloid isolated from Colchicum autumnale Liliaceous, is an alkaloid of the earliest studies, and is an important drug intermediate with wide application prospect.

(96) Atropine : Anticholinergic drug. A poisonous, crystalline alkaloid derived from certain nightshade plants, especially Egyptian henbane.

(97) Objective To identify the structure of the alkaloid extract of Gelsemium from east Guangdong province of China.

(98) A bitter - tasting yellow alkaloid, C20H19NO5, obtained from several plants such as goldenseal and having medical uses as an antipyretic and antibacterial agent.

(99) So we survey Kunyu mountain alkaloid plant while our practice emphatically.

(100) This paper focuses on the synthesis of cinchona alkaloid catalysts which contains rigid polybenzene moieties and their application in asymmetric catalytic reactions.

(101) The true alkaloid nicotine in Nicotiana functions as an allomone against many insect species.

(102) Quinine: Alkaloid found in the bark of cinchona trees and shrubs.

(103) Li says the ants were able to cross the cleaned silk but were unable to cross in the two cases where pyrrolidine alkaloid was present.

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(104) This species is used medicinally and for stabilizing dunes. The annual branches contain the alkaloid anabasine (C10H14N2), a botanical insecticide.

(105) A new alkaloid, neodichroine, along with several known alkaloids, a coumarin, a flavanone and vanillin were isolated from leaves of Dichroa febrifuga.

(106) A poisonous, pale-yellow alkaloid, C22H 25NO 6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.

(107) Another known alkaloid talatisamine 10 was obtained from the roots of Aconitum hemsleyanum var. circinatum.

(108) Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

(109) Alkaloid in the roots of Smilax china L and Smilax glabra Roxb were analysed qualitatively.

(110) Various applications of the cinchona alkaloid derivatives in asymmetric synthesis have been reported in recent years.