submitted by joeno 7 months ago - Topic: Medicine
To study the chemical constituents of Macleaya cordata (Willd.) R. Br. Crude alkaloids were isolated and purified from the fruits with column chromatography of cation exchange, silica gel ad Sephadex LH-20 followed by recrystallization. The structure elucidation was carried out by extensive spect...
submitted by grenzy 4 months ago - Topic: Medicine
To study the chemical constituents of the stem of Dasymaschaon trichophorum Merr‥ The compounds were isolated and purified by the methods of various chromatography. Their structures were elucidated on the basis of spectroscopic methods. Five aristolactam alkaloids were obtained and their struct...
submitted by BrockIsra 2 years and 1 month ago - Topic: Medicine
Evodia rutaecarpa (Chinese name: Wu-Chu-Yu) is a well-known traditional Chinese medicine and has long been used in Chinese medical practice. Rutaecarpine is an indolopyridoquinazolinone alkaloid isolated from E. rutaecarpa and related herbs, which has shown to have cardiovascular biological effec...
submitted by MicDean 2 years and 1 month ago - Topic: Medicine
Harmine is a beta-carboline alkaloid from the plant Peganum harmala. Previous studies found that harmine inhibited metastasis of B16F-1 melanoma cells. This study aims to elucidate the role of harmine in apoptosis of B16F-1 cells. B16F-1 melanoma cells were treated in the presence and absence of ...
submitted by ondriomclork 3 months ago - Topic: Medicine
To study the phytochemical screening of different extracts from Citrullus colocynthis (C. colocynthis) seeds extracts and to assess their antioxidant activity on the DPPH free radical scavenging. Phytochemical screening, total content of polyphenols and flavonoids of C. colocynthis seeds extracts...
submitted by zaleono 3 months ago - Topic: Medicine
To investigate the antioxidant and cytotoxic activity of the flower of Acanthus ilicifolius (A. ilicifolius). Antioxidant activity was determined as antiradical efficiency with diphenyl picrylhydrazil (DPPH) method and cytotoxic assay was undertaken using brine shrimp lethal toxicity test. A. ili...
submitted by motherearth 2 years and 9 months ago - Topic: Medicine
Alkaloid (AF), essential oil (EOF), flavonoid (FF), saponin (SF) and polysaccharide (PF) fractions obtained from Oxytropis falcata Bunge were investigated for their anti-inflammatory and antioxidant activities in vivo and in vitro for the first time.Method:Two anti-inflammatory animal models (TPA...
submitted by Hicivilmiff 2 years and 9 months ago - Topic: Medicine
Arecoline, an areca nut alkaloid, has been noted for its potential cognitive enhancing effects in patients with Alzheimer's dementia. However, it has been confirmed that areca nut use is associated with oral and pharyngeal cancers. In addition, arecoline is genotoxic and cytotoxic both in vitro a...
submitted by sinteno 2 years and 8 months ago - Topic: Medicine
The column chromatographic fractions of chloroform (CH1, CH2, CH3) seed extracts of Argemone mexicana (A. mexicana) were screened for antibacterial activity and phytochemical analysis.CH3 fraction was isolated and identified by column chromatography, thin layer chromatography, spectral data analy...
submitted by DarMisael 10 months ago - Topic: Medicine
There is evidence that Trigonella foenum-graecum L. (fenugreek), a traditional Chinese herb, and its components are beneficial in the prevention and treatment of diabetes and central nervous system disease. The pharmacological activities of trigonelline, a major alkaloid component of fenugreek, h...
