Peptides yog luv-saw lwg tsim los ntawm cov amino acids sib txuas los ntawm Peptide Bonds, thiab lawv ua lub luag haujlwm tseem ceeb hauv kev muaj sia. Raws li lub tsev hauv paus ntawm cov protein, cov qauv siv tshuaj lom neeg thiab cov qauv ntawm peptides txiav txim siab lawv cov khoom siv roj ntsha sib txawv, thiab lawv tau siv ntau yam kev noj qab haus huv roj ntsha, thiab lawv cov tshuaj pleev ib yam thiab lwm thaj chaw.
Los ntawm cov tshuaj ntsuam xyuas, peptides yog tsim los ntawm ob lossis ntau cov amino acids sib txuas los ntawm lub cev qhuav dej kom tsim kom muaj peptide bondens (-co nh-). Raws li tus naj npawb ntawm cov amino acids, peptides tuaj yeem faib rau hauv dipeptides (2 amino acids nrog tsawg dua 50 amino acids), thiab cov muaj ntau dua 50 tau cais cov protein. Cov qauv tshuaj ntawm peptides ncaj qha cuam tshuam lawv cov haujlwm. Piv txwv li, qee qhov peptides muaj antioxidant, anti-inflammatory lossis immunomodatory cuam tshuam, thaum lwm tus koom nrog cov kev tswj hwm ntawm kev tswj hwm lossis ntawm tes taw qhia.
Cov tshuaj lom neeg muaj pes tsawg leeg ntawm peptides tsuas yog muaj cov amino acid seem thiab peptide bonds. Cov amino acids yog lub tsev pib ntawm peptides. Cov amino acids muaj nrog 20 tus qauv amino acids xws li glycine, alanine, thiab leucine. Cov kev sib xyaw sib txawv ntawm cov amino acids muab peptides tshwj xeeb thiab muaj xyoob ntoo. Tsis tas li ntawd, cov folding hom ntawm peptide saw (xws li -helix lossis -fold) kuj tseem yuav cuam tshuam nws txoj kev ruaj khov thiab kev sib tsoo muaj peev xwm rau lub hom phiaj.
Hauv kev tshawb fawb tshiab niaj hnub thiab thev naus laus zis, kev thov peptides tau dhau los ua ntau thiab ntau dua. Hauv kev kho mob hauv tsev kho mob, kev ua haujlwm roj ntsha ntawm peptides yog siv los tsim cov tshuaj ntshav qab zib, thaum cov tshuaj tiv thaiv kab mob antomin) rau cov tshuaj ntsuam uas tau ua rau lawv muaj peev xwm tshawb fawb. Cov khoom lag luam kev saib xyuas kev noj qab haus huv tau pib cov khoom lag luam xws li collagen peptides thiab glutathione, thov kom muaj kev zoo nkauj, tiv thaiv kev laus lossis antioxidant lossis antioxidant los yog antioxidant cuam tshuam. Peptides kuj tau siv nyob rau hauv lub tshuaj pleev ib ce teb los txhawb kev kho cov tawv nqaij thiab anti-wrinkle, piv txwv li, tooj liab peptides yog siv los txhim kho cov tawv elasticity.
Nrog kev nce qib ntawm biotechnology, cov txheej txheem synthesis ntawm peptides tau txuas ntxiv mus rau caj ces engetteering, uas tau txhim kho kev coj dawb huv thiab tawm los. Yav tom ntej, peptides tau muaj peev xwm zoo rau kev thov tshuaj tshuaj thiab kev saib xyuas tus kheej li cas, thiab cov kev saib xyuas tus kheej kev kho mob, thiab kev tsim kho cov kev lag luam muaj feem cuam tshuam thiab kev txhim kho muaj kev lag luam ntsig txog kev lag luam.
