toxalbumin


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toxalbumin

(tŏk′săl-byo͞o′mĭn)
n.
Any of various toxic proteins obtained from certain plants and bacterial cultures.

toxalbumin

a class of directly cytotoxic substances of a protein nature found in plants and snakes; plant toxalbumins, concentrated in seeds, occur in Abrus precatorius (abrin), Adenia digitata, Ricinus communis (ricin), Robinia pseudoacacia.
References in periodicals archive ?
The cytotoxic plants include (1) the toxalbumins, the toxin (ricin) of which one, the castor bean (Ricinus communis), has been weaponized; (2) the mitotic inhibitors, many of which are highly effective as cancer chemotherapeutics; and (3) the cyanogenic glycosides contained in the kernels of several fruits, including apples, apricots, cherries, peaches, and plums (Table 1).
Toxic proteins or toxalbumins have been found in Fabaceae, Euphorbiaceae, etc.
While the exact toxic principles are yet to be defined, various anthraquinones and their derivatives like emodin glycosides, toxalbumins, and other alkaloids are usually blamed for C.