نتایج جستجو برای: anise
تعداد نتایج: 435 فیلتر نتایج به سال:
BACKGROUND Head louse infestations are prevalent worldwide. Over the past 20-25 years, 15-20% of all children in Israel between 4 and 13 years of age have been infested with head lice. This is mainly due to the existence of ineffective pediculicides on the market. OBJECTIVE To examine the pediculicidal efficacy and safety of a natural remedy ("Chick-Chack") and to compare it in an open clinic...
Background: This study aimed at investigation of the chemical composition, antimicrobial activity, and antioxidant properties of clove, cumin, origanum, and anise Essential Oils (EOs). Methods: Chemical compositions of the EOs were identified using Gas Chromatography/Mass Spectrometry (GC/MS). The antibacterial activities of EOs against four important food-borne bacteria were assessed by disc ...
We report the first chemical syntheses of both (-)-majucin and (-)-jiadifenoxolane A via 10 net oxidations from the ubiquitous terpene (+)-cedrol. Additionally, this approach allows for access to other majucin-type sesquiterpenes, like (-)-jiadifenolide, (-)-jiadifenin, and (-)-(1R,10S)-2-oxo-3,4-dehydroxyneomajucin (ODNM) along the synthetic pathway. Site-selective aliphatic C(sp3)-H bond oxid...
In order to identify natural products for plant disease control, the essential oil of star anise (Illicium verum Hook. f.) fruit was investigated for its antifungal activity on plant pathogenic fungi. The fruit essential oil obtained by hydro-distillation was analyzed for its chemical composition by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). trans-Anethole (89.5%)...
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