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Words related to alkaloid

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References in periodicals archive ?
Workers and alate queens of Solenopsis geminata share qualitatively similar but quantitatively different venom alkaloid chemistry.
Tartaric acid methanol extract basified by the addition of ammonium hydroxide (N[H.sub.4]OH), then extracted with chloroform to separate the alkaloids. Then the alkaloid content of Sambiloto was determined using Thin Layer Chromatography (TLC) and column chromatography, followed by High-Performance Liquid Chromatography (HPLC).
Introduction: Unsaturated pyrrolizidine alkaloids have long been considered hepatotoxic and potentially carcinogenic, and herbs containing them are banned from use in Australia.
Finally, spirobenzylisoquinolines showed not only the neutral loss of substituents of the alkaloid core but also the breakage at the isoquinoline core generating ions at m/z 177 ([C.sub.10][H.sub.11]N[O.sub.2]) (fumariline), 179 ([C.sub.10][H.sub.13]N[O.sub.2]) (parfumidine), and 193 ([C.sub.11][H.sub.15]N[O.sub.2]) (parfumine), and its subsequent fragmentation (e.g., m/z 135 and 137).
For an acute study, 10 mg/kg fluoxetine or 60 mg/kg alkaloid extract from MS were administered intragastricaily.
The ratio of each compound in the extract was exhibited as the percentage of the total alkaloid content in Table 1 and Figure 1.
Viewed by region, 34 percent of Alkaloid's sales went to Southeast Europe, 8 percent to Russia and the other countries of the Commonwealth of Independent States, 20 percent to the Western European countries (the EU and EFTA) and 2 percent to other markets.
Croomine alkaloid showed 33.9%, the largest inhibition, and epi-croomine showed lower but considerable inhibition.
To provide the quantitative analysis of alkaloids, four reference compounds--representatives of each class of studied alkaloids--were evaluated: berberine (a protoberberine alkaloid), berbamine (a benzylisoquinoline alkaloid), sanguinarine (a benzophenanthridine type), and magnoflorine (an aporphine alkaloid).
99%, p.a.), ethanol 96%, and sodium carbonate decahydrate (p.a.) were purchased from Alkaloid Skopje, Macedonia.
Table I.- Ergot alkaloid production by various Penicillium species.
Rutherford, NJ, April 01, 2016 --( SGS expands on the publication of Regulation (EU) 2016/239 to amend maximum levels for tropane alkaloids (TA) in certain cereal-based foods for infants and young children.