Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Jack D, Williams"'
Publikováno v:
Organic & Biomolecular Chemistry. 19:8018-8020
The stereocontrolled three-step synthesis of either enantiomer of α-thujone from commercially available 3-methyl-1-butyne is described. The enantioselectivity originates from a Brown crotylation which is then conferred to the all-carbon quaternary c
Publikováno v:
American Journal of Plant Sciences. :1265-1269
Artemisia vulgaris L. was collected from various regions in the USA and Montreal Canada. Gas Chromatography-Mass Spectrometry was used to identify the analytes present in the volatiles extracted by headspace solid-phase microextraction of the crushed
Autor:
Kristin A. Anderson, Jessica A. Yazarians, Chelcie C. Almeyda, Gregory R. Boyce, Jack D. Williams
Publikováno v:
Journal of agricultural and food chemistry. 64(21)
The discovery of the (+)-α-thujone and (−)-β-thujone stereoisomers in the essential oil of sage (Salvia officinalis L.) and dietary supplements is documented for the first time. The detection was accomplished using a chiral resolution protocol of
Publikováno v:
The Open Food Science Journal. 6:1-4
Garlic has been widely used throughout history as a food additive for both its flavor and medicinal effects. The actual sulfide compounds found in garlic as well as the potential health benefits associated with garlic have been extensively studied. I
Solid Phase Microextraction Gas Chromatography Mass Spectroscopy Analysis of Confectionery Volatiles
Autor:
Jack D. Williams, Chi Bui
Publikováno v:
Current Nutrition & Food Science. 7:275-278
Autor:
Kevin J. Schneider, Jack D. Williams
Publikováno v:
Current Organic Chemistry. 15:2893-2896
Publikováno v:
BMC Complementary and Alternative Medicine
Background The essential oil (EO) of Artemisia vulgaris L. has been traditionally used worldwide for treating a large number of diseases. Although major components in A. vulgaris EO have been shown to inhibit growth of different cancer cells, as pure
Publikováno v:
Natural product communications. 7(5)
Essential oil from wild growing Artemisia vulgaris L. originating in Erie, Pennsylvania was obtained by hydrodistillation of the aerial parts of the plant. Gas chromatographic-mass spectral analysis was used to identify the major volatiles present. U
Publikováno v:
The Journal of Organic Chemistry. 39:2946-2950
Autor:
Jack D. Williams, Thad H. Pope
Publikováno v:
Archives of Otolaryngology - Head and Neck Surgery. 98:306-309
One thousand tonsillectomies performed by otolaryngologists at McPherson Hospital are reviewed. The dissection-snare technique was used, and hemostasis was maintained by electrocautery. Cauterization of the midfossa and both poles in 500 patients res