Nyob rau xyoo 2003, Dennis Drayna thiab nws cov npoj yaig ntawm National Institutes of He alth (NIH), nrog rau pab pawg kws tshawb fawb coj los ntawm Un-kyung Kim, nrhiav pom tias ib qho Kev hloov pauv ntawm TAS2R38 gene locus yog lub luag haujlwm rau feem ntau ntawm qhov sib txawv hauv PTC saj rhiab heev (50-80%).
YPhenylthiocarbamide yog dab tsi?
Phenylthiocarbamide tasting, tseem hu ua PTC tasting, ib lub peev xwm tswj tau caj ces kom saj phenylthiocarbamide(PTC) thiab ntau yam tshuaj muaj feem xyuam, tag nrho cov uas muaj qee yam tshuaj tiv thaiv kab mob.
Leej twg nrhiav tau lub hauv paus caj ces rau PTC saj?
About 66 years ago, A. L. Fox, tus kws tshuaj Du Pont, tau tshaj tawm qhov kev tshawb pom tsis txaus ntseeg (Anonymous 1931, Fox 1932).
Phenylthiocarbamide pom hauv dab tsi?
Introduction: Cov zaub mov zoo li cabage, broccoli, kua txob thiab cawv, muaj cov proteins xws li phenylthiocarbamide (PTC), ua rau ib txhia neeg. Cov kev tshawb fawb pom tau tias muaj kev sib raug zoo ntawm kev noj qab haus huv thiab kev loj hlob ntawm kev rog, thiab ua rau muaj kab mob plawv.
Lub npe ntawm cov noob uas txiav txim siab PTC saj rhiab heev yog dab tsi?
Cov noob caj noob ces Qab Zib Qab Zib Pom Kev Pom Zoo
TAS2R38 noob yog ib qho uas txiav txim siab seb koj puas nkag siab rau cov saj iab txuam nrog PTC lossis glucosinolates. Nws encodes cov protein uas tswj koj lub peev xwm los xyuas cov iab-tasting compounds thiab qee zaum hu ua PTC gene.
