| 11. | Pepper can also lose flavour when exposed to light, which can transform piperine into nearly tasteless isochavicine.
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| 12. | Important secondary metabolites found in pepper plants are piperine and chavicine, which were first isolated from Black Pepper.
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| 13. | Refined piperine, by weight, is about one percent as hot as the capsaicin found in chili peppers.
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| 14. | :Black pepper comes from the berries of the Piper nigrum plant, and the heat comes from piperine.
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| 15. | Some sources say that piperine, a substance present in black pepper, irritates the nostrils, causing the sneezing.
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| 16. | He published a number of studies on garlic oil, piperine, quinine and coniine in Liebig s Annalen der Chemie.
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| 17. | Anderson first hydrolysed piperine by alkalis into a base and an acid, which were later named piperidine and piperic acid respectively.
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| 18. | The poisoning inspires him to add pepper to the dinner meal, since the piperine in it would act as an insecticide.
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| 19. | A few Alzheimer's drugs that have been studied especially are rivastigmine, tacrine, quinoline, piperine, and curcumin.
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| 20. | The spiciness of black pepper is due to the chemical piperine, not to be confused with the capsaicin characteristic of chili peppers.
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