| 11. | The biophysiological conversion from cathinone to cathine is to blame for the depotentiation of khat leaves over time.
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| 12. | Bantamweight David Munyasia, 24, tested positive for the banned stimulant cathine, the International Olympic Committee said.
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| 13. | Fresh leaves have a greater ratio of cathinone to cathine than dried ones, therefore having more psychoactive effects.
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| 14. | Coppins also was above the legal limit for the amphetamine cathine, showing a level of 7.4 micrograms.
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| 15. | Cathine is somewhat less understood, being believed to act upon the adrenergic receptors causing the release of epinephrine and norepinephrine.
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| 16. | By reducing the ketone, it becomes cathine if it retains its stereochemistry, or norephedrine if its stereochemistry is inverted.
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| 17. | His doctor later admitted medicines he had given Ali, when mixed together could have created the positive test for Cathine.
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| 18. | On 10 August 2004, the IOC announced that Munyasia, a bantamweight, had tested positive for cathine on 6 August.
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| 19. | When khat leaves dry, the more potent chemical, cathinone, decomposes within 48 hours, leaving behind the milder chemical, cathine.
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| 20. | In Hong Kong, cathine is regulated under Schedule 1 of Hong Kong's Chapter 134 " Dangerous Drugs Ordinance ".
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