Capsaicin (trans-8-methyl-N-vanillyl-6-nonenamide) is the principal substance in hot chili peppers and has been in clinical use as a cream to treat various types of painful conditions [18, 19].
In a 2003, in The Atlantic magazine, interviewer Jennie Rothenberg Gritz quoted Goldhagen saying that "moral issues" are the "principal substance" of A Moral Reckoning, that his concern was a "consideration of culpability and repair".
This may be explained by the nature of the principal substance, punicalagin, which is a tannin.
Melatonin is the principal substance secreted by the pineal gland with roles of biologic regulation of circadian rhythms, aging and reproduction.
Substance abuse was the principal means the participants used to mask the pain of the past, allowing them to relax and cope with, or temporarily forget their problems.
The principal food substances taken by primates may be divided into vegetable (fruits, flowers, leaves, nuts, barks, pith, seeds, grasses, stems, roots, and tubers) and animal (birds, birds' eggs, lizards, small rodents and bats, insects, frogs, and crustacea).
Endotoxin is considered one of the principal biological substances that cause gram-negative septic shock [ 2, 4].
As tea principal flavor substances, catechins usually account for 25%to30%0% of the dry weight of fresh tea plant leaves [ 19, 20].
Polymyxin B binds endotoxin, one of the principal biological substances that cause gram-negative septic shock, but has adverse nephrotoxic and neurotoxic effects.
On Pt, ethanol is the principal resulting substance at this temperature.
