Not exact matches
«Currently, mechanisms for this conversion are not completely understood, nor how long it takes the molecules to transform
from one spin
isomer to the other,» said Salvatore Mamone, a post-doctoral physicist at the University of Southampton and lead author on the JCP paper.
Disappointments with outcomes - based studies investigating α - tocopherol are, in large part, the result of abstracting this single compound
from the vitamin E family and ignoring the interplay among the eight
isomers that constitute natural vitamin E. Best clinical outcomes will be achieved with vitamin E supplementation providing mixed tocopherols and tocotrienols in ratios similar to those found in nature.
Lycopene
from heat - induced cis -
isomer - rich tomato sauce is more bioavailable than
from all - trans - rich tomato sauce in human subjects.
«The impact of feeding practices becomes even more evident in light of recent reports
from Canada which suggests a shift in the predominate trans C18: 1
isomer in grain - fed beef.
Dugan et al (2007) reported that the major trans
isomer in beef produced
from a 73 % barley grain diet is 10t - 18:1 (2.13 % of total lipid) rather than 11t - 18:1 (TVA)(0.77 % of total lipid), a finding that is not particularly favorable considering the data that would support a negative impact of 10t - 18:1 on LDL cholesterol and CVD»
New vitamin E
isomers (gamma - tocomonoenol and alpha - tocomonoenol) in seeds, roasted seeds and roasted seed oil
from the Slovenian pumpkin variety «Slovenska golica».