protoanemonin

protoanemonin

pentadienoic lactone in all members of the plant family Ranunculaceae. In the living plant it is present as an inert glycoside ranunculin. When it is released enzymatically it is irritant, causing erythema and blistering of the skin and mucosae. See also ranunculus.
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Mae yna gemegyn o'r enw Protoanemonin yn y sudd a hwn sy'n rhoi'r blas chwerw ar y dail, ac mi all achosi swigod neu bothelli ar y croen.
Y protoanemonin yn y sudd sy'n rhoi'r blas chwerw i'r planhigyn, ac mi all y sudd chwerw yma godi swigod neu bothelli ar y croen.
The factors isolated contained umbelliferone, protoanemonin, and plant phenols.