Assertion: alkaloid | /r/AtLocation | plant
Facets:
value: as salts
type: MANNER
value: primarily
type: DEGREE
value: according to statistics
type: OTHER
value: as n-oxides
type: MANNER
value: as amine
type: OTHER
value: as alkaloid
type: MANNER
value: naturally
type: MANNER
value: in association with characteristic acids
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: Alkaloids are found primarily in plants and are especially common in certain families of flowering plants.
text: In the plant they may exist in the free state, as salts or as N-oxides (see below).
text: Alkaloids often occur in plants in association with characteristic acids—for example, the tropane alkaloids of the Solanaceae and
text: Alkaloids with curare-like activity are present in plants belonging to the fabaceous genus Erythrina.
text: Alkaloids are physiologically active compounds that occur naturally in many plants.
text: The California poppy (Eschscholzia californica Cham.) contains a variety of natural compounds including several alkaloids found exclusively in this plant.
text: According to statistics, at least 140 alkaloids have been found in plants, especially Papaveraceae, Anti-family, Solanaceae, Leguminosae, Oleaceae, Ranunculaceae, and Polygonaceae.
text: According to statistics, at least 140 alkaloids have been found in plants, especially Papaveraceae, Anti-family, Solanaceae, Leguminosae, Oleaceae, Ranunculaceae, and Polygonaceae.
text: Nicotine, like heroin, comes from an alkaloid found in plants.
text: In the plant, alkaloids may exist in the free state, as salts or as amine or alkaloid N-oxides.
text: The powdered material is moistened with water and mixed with lime which combines with acids, tannins and other phenolic substances and sets free the alkaloids (if they exist in the plant as salts).