Results 81 to 90 of about 6,408 (192)

Significant differences in alkaloid content of Coptis chinensis (Huanglian), from its related American species

open access: yesChinese Medicine, 2009
Background The growing popularity of Chinese herbal medicine in the United States has prompted large-scale import of raw herbs from Asia. Many of the Asian herbs have phylogenetically related North American species.
Skeels Matthew   +2 more
doaj   +1 more source

Extraction and Purification of Various Organic Compounds in Selected Medicinal Plants of Kotli Sattian, District Rawalpindi, Pakistan

open access: yes, 2006
The medicinal values of roots, leaves and fruits of Funnel (Foeniculum vulgare Mill), Berbery (Berberis lyceum Royle), Vasaka and (Justicia adhatoda L) were explored in this study. The root, leaf and fruit samples of these plant species were collected
Gulfraz, Muhammad, et al.
core   +1 more source

Optimized Centrifugal Partition Chromatography (CPC) Protocol for Isolation of Urease Inhibitors: Magnoflorine and Berberine from Berberis vulgaris Extracts

open access: yesSeparations
In recent years, an increasing interest in phytotherapy has been observed. Parallel to the research on the total extracts of plant material, numerous studies on the activity of single molecules derived from plants are being conducted to address their ...
Sylwia Nakonieczna   +6 more
doaj   +1 more source

Acetylcholinesterase Inhibitory Activity of Alkaloids Isolated from

open access: yesNatural Product Communications, 2016
Stephania venosa (Blume) Spreng or “Sa-Bu-Leud” is a Thai medicinal plant used for treatment of cancer and diabetes, and as a blood-tonic and aphrodisiac.
Sumet Kongkiatpaiboon   +3 more
doaj   +1 more source

Rethinking Synthetic Berberine in Nutraceuticals: Nitrosamine Risks, Regulatory Oversight, and Safer Alternatives

open access: yesMolecules
Berberine hydrochloride, a bioactive isoquinoline alkaloid with metabolic, lipid-lowering, and antimicrobial properties, is increasingly synthesized for nutraceutical applications due to its high yield and, therefore, cost-effectiveness.
Anil Kumar Meher   +2 more
doaj   +1 more source

Activity Guided Isolation of Nematicidal Constituents from the Roots of Berberis brevissima Jafri and Berberis parkeriana Schneid

open access: yesJournal of Agricultural Sciences, 2019
Biological screening of different parts of the selected Berberis species (B. brevissima Jafri and B. parkeriana Schneid) showed that methanolic root extract possessed significant efficacy against Meloidogyne javanica (a root knot nematode).
İshrat Naz   +3 more
doaj   +1 more source

Alkaloids as natural anti-allergy agents: A mini review

open access: yesAllergy Medicine
Alkaloids, a diverse group of naturally occurring organic compounds have demonstrated significant potential in the management of allergic responses. These bioactive compounds are commonly found in plants and possess various pharmacological properties ...
Ansar Javeed   +3 more
doaj   +1 more source

Biosíntesis de alcaloides bencilisoquinolínicos

open access: yesUniversitas Scientiarum, 2012
Benzylisoquinoline alkaloid biosynthesis. The benzylisoquinoline alkaloids (BIA) are specialized metabolites with an ancient phylogeneticdistribution, but still preserved in modern clades.
Christian Anabí Riley-Saldaña   +2 more
doaj  

The Protective Effect of Berberine Against Memory Impairment Induced by Intrahippocampal Injection of Aluminium Chloride in Rats

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2022
Background and Objectives: Aluminum is a component of environmental pollutants, which causes neurotoxicity. Berberine is in the group of plant-derived alkaloids such as barberry and its beneficial therapeutic properties in various diseases have been ...
Atefeh Jafari   +2 more
doaj  

A concise enzyme cascade enables the manufacture of natural and halogenated protoberberine alkaloids

open access: yesNature Communications
The application and drug development of plant-derived natural products are often limited by their low abundance in medicinal plants and the lack of structural complexity and diversity.
Fei Li   +6 more
doaj   +1 more source

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