The following components (A) and (B) contains from 0.00005 to 0.5 wt% alcohol (A) proline, and (B) 3~7 carbon atoms, with component (A) Component ( B) the mass ratio of [(B) / (a)] is from 0.005 to 2500, and a pH3~4, were heat sterilized in a state in which components (a) and (B) coexist, ethanol content is less than 1% by weight of malt extract containing beverages.次の成分(A)及び(B);(A)プロリン、及び(B)炭素数3~7のアルコール 0.00005~0.5質量%を含有し、 成分(A)と成分(B)との質量比〔(B)/(A)〕が0.005~2500であり、且つ、 pH3~4である、成分(A)及び(B)が共存した状態で加熱殺菌された、エタノール含有量が1質量%未満の麦芽エキス含有飲料。