Do oats contain any special alkaloidal or stimulating principle?.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

SIDDIQUI, S. (1962a) A re-investigation of the alkaloidal constituents of Peganum harmala.    From Wordnik.com.  [Chapter 5] Reference

SIDDIQUI, S. (1962b) Note on a re-investigation of the alkaloidal constituents of Peganum harmala.    From Wordnik.com.  [Chapter 5] Reference

We may take piperidine and coniine as examples of the methods followed in alkaloidal synthesis; these are pyridine bases.    From Wordnik.com.  [Scientific American Supplement, No. 623, December 10, 1887] Reference

Both plant and animal foods undergo bacterial changes resulting in the production of alkaloidal bodies known as ptomaines, of which there are a large number.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

Recent investigations, however, show that there is no alkaloidal material in oats, and whatever stimulating effect they may have results from the nutrients they contain.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

A cup of tea as served at tea tables contains usually only a trace of the alkaloidal principle, but infinitesimal quantities are capable of exerting baneful effects upon some tea drinkers.    From Wordnik.com.  [Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics] Reference

This theory has also gained great importance as a guide when determining intricate structures, and it has rendered it possible to trace hidden connections within the multifarious group of alkaloidal substances.    From Wordnik.com.  [Nobel Prize in Chemistry 1947 - Presentation Speech] Reference

Since the active alkaloidal and resinoidal principles of roots, barks and gums have been isolated and put in better and more convenient forms, there is no longer need of alcoholic tinctures and elixirs.    From Wordnik.com.  [Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say] Reference

"Ptomaines are chemical compounds of an alkaloidal nature formed in protein substances during putrefaction.    From Wordnik.com.  [The Dream Doctor] Reference

It is true that the original package might have been annexed by a clerk, office boy or domestic servant; but the probabilities are that X received the package himself, and this is borne out by the fact that he was able to obtain access to a powerful alkaloidal poison -- such as this undoubtedly is. ".    From Wordnik.com.  [The Red Thumb Mark] Reference

In relation to the first, it has been suggested that if consciousness be regarded as dependent upon a certain rate of atomic vibration, it is possible that this rate depends on a store of intramolecular oxygen, which, owing to fatigue, may become exhausted; or it may be supposed that alkaloidal substances may collect as fatigue products within the brain, and choke the activity of that organ.    From Wordnik.com.  [Scientific American Supplement, No. 1178, June 25, 1898] Reference