103 Result(s)
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Du **n-hua
Medicinal Chemistry
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Article
Open AccessPurity and Uncertainty Study of CRM Betulin by DSC
Betulin (BE) can be obtained from many plants, such as those belonging Betulaceae family, and pharmacological investigations showed its notable biological properties and good potential for food and pharmaceuti...
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Open AccessAnalysis of Four Solvatomorphs of Betulin by TG–DTA–EI/PI–MS System Equipped with the Skimmer-Type Interface
Betulin (BE) has exceedingly become a potential natural product, providing multiple pharmacological and biological activities, including anti-cancer, anti-viral, and anti-inflammatory benefits. Previous research ...
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Berberine
Berberine is a quaternary ammonium salt that is found in some plants such as huanglian (Rhizoma coptidis), huangbo (Phellodendri Chinensis Cortex), and sankezhen (Berberidis Radix). Berberine hydrochloride has ex...
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Atropine
Atropine is a poisonous white crystalline alkaloid extracted from roots and leaves of dianqiecao (Belladonnae Herba) and mantuoluo (Mandala). Atropine sulphate is commonly used in clinics. Atropine is a blocker o...
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Matrine
Matrine is an alkaloid extracted by organic solvents from the dry roots, plants, and fruits of kushen (Sophora flavescens Ait). Matrine has significant effects of negative frequency and positive inotropic action,...
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Strychnine
Strychnine, first discovered in 1818, was the first alkaloid to be identified in plants of maqianzi (Strychnos nux-vomica Linn.). Pharmacological effect of strychnine is mainly manifested in the central nervous s...
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Erycibe Alkaloid II
Erycibe alkaloid II belongs to scopolamine alkaloids, whose chemical structure is different from other known cholinomimetic drugs. Erycibe alkaloid II has the remarkable therapeutic effect on glaucoma by contr...
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Vinblastine and Vincristine
Vinblastine and vincristine are all extracted from Catharanthus roseus, which is a common Apocynaceae ornamental plant. Vinblastine and vincristine drugs have a strong inhibitory effect on monozygotic leukemia, b...
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Cytisine
Cytisine is an alkaloid, which is isolated from Laburnum and Cytisus of the family Fabaceae. Cytisine has a similar chemical structure to that of nicotine, and it possesses selective binding affinity for neuronal...
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Eserine
Eserine is an alkaloid extracted from Physostigma venenosum, which is a reversible acetylcholinesterase (AChE) inhibitor. Eserine is the same as acetylcholine, which can combine with cholinesterase, while AChE in...
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Pilocarpine
Pilocarpine is an alkaloid extracted from Pilocarpus jaborandi, which is one of cholinomimetic drugs. Pilocarpine activates cholinergic M-receptor and has an obvious effect on eyes and salivary glands. Pilocarpin...
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Cocaine
Cocaine, is also called cocain, was mainly separated from the leaves of coca. Cocaine is white crystal powder and odorless. It is insoluble in water, soluble in chloroform, ethyl ether, ethanol, and other orga...
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Ephedrine
Ephedrine, also called ephedrine ingot, L-ephedrine, is from dry grass stems of ephedra plants such as ephedra, Zhong ephedra, and Equisetum ephedra. Ephedrine is a white needle-like crystal or crystalline pow...
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Galantamine
Galantamine is an Amaryllidaceae alkaloid which is first obtained from the plant of snowdrop (Galanthus nivalis). Although the plants of Galanthus are native species in many areas in Europe, its earliest pharmace...
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Camptothecin
As an alkaloid derived from Camptotheca acuminata, camptothecin exerted its anticancer activity by specifically targeted topoisomerase I. The intolerable toxicity and poor solubility and stability in vivo of camp...
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Daidzein
Daidzein mainly comes from leguminous plants, the seeds of soybean, red clover grass, or all Pueraria roots. Daidzein is a kind of isoflavone compound. It is mainly used for the treatment of hypertension, coronar...
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Securinine
Securinine is derived from the leaf of securinega suffruticosa Rehd., in which securinine is the most important alkaloid. Securinine mainly has nerve pharmacological activity; it also has antitumor, anti-infla...
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Andrographolide
Andrographolide is a diterpene lactone compound extracted from Andrographis paniculata (Burm. F) Nees, which is commonly used as traditional Chinese medicine. Andrographolide has effects of anti-inflammatory, ant...
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Rutin
Rutin is widely found in nature and is almost contained in all of the Rutaceae and Sectaceae plants. As a flavonoid substance, rutin has a significant protective effect on the cardiovascular system. Rutin and ...
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Tanshinone IIA
Tanshinone IIA is extracted from the roots of Salvia miltiorrhiza Bge., which exhibits a variety of pharmacological effects, such as promoting blood circulation and opening the energy channels. In the long histor...
