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(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. Sentencedict.com

(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.