Peptide

A tetrapeptide (example Val-Gly-Ser-Ala) with green marked amino end (L-valine) and
blue marked carboxyl end (L-alanine)

Peptide ("phé-phuh-thait") 是 (sī)氨基酸 (an-ki-sng)單元 (tan-goân)受 (siū)peptide結合 (kiat-ha̍p)作用 (chok-iōng)連 (liân)做伙 (chò-hóe)星生 (san-seng)的 (ê)生物 (seng-bu̍t)物質 (bu̍t-chit)。