GC-MS analysis of the essential oil, aroma components and n-hexane extract of St. John Wort (Hypericum perforatum L., Hypericaceae)
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چکیده
منابع مشابه
Factors affecting polyphenol biosynthesis in wild and field grown St. John's Wort (Hypericum perforatum L. Hypericaceae/Guttiferae).
The increasing diffusion of herbal products is posing new questions: why are products so often different in their composition and efficacy? Which approach is more suitable to increase the biochemical productivity of medicinal plants with large-scale, low-cost solutions? Can the phytochemical profile of a medicinal plant be modulated in order to increase the accumulation of its most valuable con...
متن کاملCHEMICAL COMPOSITION OF Hypericum perforatum L. ESSENTIAL OIL
The essential oil isolated from fresh aerial parts of Hypericum perforatum L. was analyzed by GC and GC/MS. One hundred and thirty four identified compounds accounted for 98.7% of the total oil. The main components of the oil were: germacrene D (18.6%), (E)-caryophyllene (11.2%), 2-methyloctane (9.5%), α-pinene (6.5%), bicyclogermacrene (5.0%) and (E)-β-ocimene (4.6%). The volatile profile of H...
متن کاملEssential oil composition of Hypericum perforatum L. and Hypericum scabrum L. growing wild in Tajikistan
The essential oils obtained by hydrodistillation from the aerial parts of Hypericum perforatum L. and Hypericum scabrum L. from plants growing wild in Tajikistan were analyzed by GC-MS. Sixty-six compounds were identified in the essential oils of H. perforatum with germacrene D (13.7%), α-pinene (5.1%), (E)-caryophyllene (4.7%), n-dodecanol (4.5%), caryophyllene oxide (4.2%), bicyclogermacrene ...
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An 85-year-old male patient with a history of hypertension, old anterior wall myocardial infarction and atrial fibrillation was placed on warfarin one year previously. However, he did not comply with regular international normalized ratio (INR) measurements, but kept taking warfarin (5 mg) on a daily basis for almost a year without any problems. After watching a television program about herbal ...
متن کاملSt John's wort (Hypericum perforatum L.): a review of its chemistry, pharmacology and clinical properties.
The chemical composition of St. John's wort has been well-studied. Documented pharmacological activities, including antidepressant, antiviral, and antibacterial effects, provide supporting evidence for several of the traditional uses stated for St John's wort. Many pharmacological activities appear to be attributable to hypericin and to the flavonoid constituents; hypericin is also reported to ...
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ژورنال
عنوان ژورنال: Macedonian Pharmaceutical Bulletin
سال: 2018
ISSN: 1857-8969,1409-8695
DOI: 10.33320/maced.pharm.bull.2018.64.01.006