| characterisation of phenolics in flor-essence--a compound herbal product and its contributing herbs. | commercially available herbal mixture fe, a proprietary natural health product manufactured by flora manufacturing and distributing ltd (flora), is a unique north american traditional herbal product. fe is a chemically complex mixture of eight herbs and has not been subjected to phytochemical analysis. | 2009 | 19609882 |
| changes in composition, structure and aboveground biomass over seventy-six years (1930-2006) in the black rock forest, hudson highlands, southeastern new york state. | we sought to quantify changes in tree species composition, forest structure and aboveground forest biomass (agb) over 76 years (1930-2006) in the deciduous black rock forest in southeastern new york, usa. we used data from periodic forest inventories, published floras and a set of eight long-term plots, along with species-specific allometric equations to estimate agb and carbon content. between the early 1930s and 2000, three species were extirpated from the forest (american elm (ulmus americana ... | 2008 | 18244941 |
| component and whole-system respiration fluxes in northern deciduous forests. | we measured component and whole-system respiration fluxes in northern hardwood (acer saccharum marsh., tilia americana l., fraxinus pennsylvanica marsh.) and aspen (populus tremuloides michx.) forest stands in price county, northern wisconsin from 1999 through 2002. measurements of soil, leaf and stem respiration, stem biomass, leaf area and biomass, and vertical profiles of leaf area were combined with biometric measurements to create site-specific respiration models and to estimate component a ... | 2004 | 14996654 |
| essiac tea: scavenging of reactive oxygen species and effects on dna damage. | essiac, a tea reportedly developed by the ojibwa tribe of canada and widely publicized as a homeopathic cancer treatment, is prepared from a mixture of four herbs arctium lappa, rumex acetosella, ulmus rubra and rheum officinale. each of these herbs has been reported to possess antioxidant and anti-cancer activity. essiac itself has also been reported to demonstrate anti-cancer activity in vitro, although its effects in vivo are still a matter of debate. we prepared an extract of essiac tea from ... | 2006 | 16226859 |