Papaya, pineapple, and figs may be helpful in controlling internal parasites in horses, an English study has found. An enzyme found in these fruits may prevent parasite eggs from hatching.
Researchers at the University of Liverpool based their theory on the knowledge that cysteine proteinases in these fruits can digest adult worms.
They exposed small red worms at different stages of development to papaya extract and found that this inhibited the hatching of parasite eggs and the movement of infective larval stages.
The researchers report that the inhibited hatching appears directly related to cysteine proteinases; the inhibition of larval stages may occur because of a secondary compound in the extract.
Read more at EQUUS magazine
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