Tshiab txoj kev tshawb exposes panda qab zib

New study exposes panda sweet tooth

Nyob rau lub kuaj qhov muag tsis pom saj, pandas yim ntawm yim pom zoo — qab qab zib heev.

Ib tug tshawb tawm Wednesday tshiab, muab cov panda saj receptors mus kuaj zaum, wondering seb lub cuddly critters puas txawm pom qhov txawv ntawm cov dej dawb thiab cov khoom qab zib.

“Feem ntau hais lus, tsiaj uas muaj lub qab zib saj receptor vim tias enables lawv ntes cov suab thaj uas nyob hauv tej nroj tsuag uas yog qhov chaw uas muaj calorie ntau ntau,” tshab txhais txog Gary Beauchamp, thawj coj ntawm lub chaw Monell uas nyob tawm txoj kev soj ntsuam.

Tab sis, tsis zoo li cov herbivores, pandas lo rau ib tsob nroj — xyoob — Nws yog ib qho notoriously uas tsis muaj nyob rau qab zib.

Ces cov soj ntsuam ntawm wondered seb — ib yam li tej tsiaj noj nqaij ntau, xws li miv — pandas muaj poob peev xwm mus ntes tsos.

Txij carnivores “tsis txhob noj nroj tsuag, tsis txhob hu rau suab thaj, yog tsis tau nws lub siab rau tej qhov chaw tswj lub qab zib receptor luag,” Hais Beauchamp AFP.

Qhov kev tshawb xav tau ntawd xyoob-munching pandas, uas kuj tsis zoo li yuav raug piam thaj ntau, tej zaum kuj muaj coob lawv muaj peev xwm saj qab zib.

Deutsch: Großer Panda im Ocean Park, Hongkong

Deutsch: Großer Panda txhij dej ntuj chaw ua si, Hongkong (Diam duab daim credit: Wikipedia)

Tab sis nws muab tawm pandas, ib yam li lwm cov herbivores, tseem muaj ib tug nyiam qab zib fine-tuned.

Thaum txhaj ob tais cov kua, ib tug dej thiab ib tug tsis, lub pandas yim universally slurped cia rau tej brew.

Cov soj ntsuam ntawm kev tshuaj ntsuam ntau hom suab thaj, xws li fructose, qabzib, sucrose, lactose, maltose, thiab galactose. Nyob rau txhua kis, dej qab zib heev dua, thiab cov laug tshwj xeeb tshaj yog cov fructose thiab sucrose, cov tib neeg uas perceive li cov sweetest.

Cov tseem tsom cellular poo qab zib receptor hlwb los ntawm pandas thiab los puas mus qhia lawv teb cov suab thaj.

Lawv xav pandas yuav tuav mus ua hauj lwm qab zib receptor hlwb vim, tshaj ntawd tus saj tau, lawv kuj yuav siv rau tej chaw zoo li cov txiav thiab lub plab los pab nrog cog kev zom.

Tab sis, yog hais tias pandas hlub khoom qab zib, vim li cas thiaj ua tau lawv tsuas noj xyoob?

Nyob rau hauv captivity, pandas txaus siab rau tej khoom noj qab zib — suav Washington newest panda menyuam dais tij niam tij, leej twg “yog thaj relishing qos ua ib yam khoom noj uas ntej thaum weaning,” Txawm hais tias Danielle Reed, leej twg sau tau daim ntawv luam tawm nyob rau ntawm phau ntawv journal PLOS IB.

Tab sis pandas tseem xav xyoob ntau ntau, los yog lawv muaj mob. Ib lub hypothesis yog tias tsob nroj reedy tau muab tej yam tsim nyog, siab thiaj evolutionary tau coj lawv mus khi nyuaj rau tsob nroj.

Lwm cov tseem tuaj kuaj, Hais Beauchamp, uas yog rau pandas, xyoob yeej qab qab xws li khoom qab zib.

thaum kawg no, muaj pov thawj tseeb txawv tej tsiaj ua zaub mov txawv — zoo li dag sweeteners, uas, pandas thiab ntau lwm yam tsiaj, tsis txhob saj tsis qab zib.

Repost.Us – Republish no Tshooj
Cov tshooj no, Tshiab txoj kev tshawb exposes panda qab zib, yog syndicated ntawm cov AFP thiab muaj tso ntawm no nrog tso cai. Copyright 2014 AFP. Qoob loo

Enhanced by Zemanta