To provide a tea beverage that is suppressed in generation of turbidity even though it contains chitosan.SOLUTION: A non-fermented tea beverage or semi-fermented tea beverage contains chitosan having a molecular weight of 7 kDa or less at a concentration of 200 ppm or less. Preferably, the beverage has a concentration of chitosan of 1 to 80 ppm. More preferably, the beverage has a molecular weight of chitosan of 5 kDa or less. The beverage is a green tea beverage or an oolong tea beverage. The beverage has a pH of 3.5 to 7.5. The beverage is a container-packed beverage.SELECTED DRAWING: Figure 1【課題】キトサンを含有しながらも濁りの発生が抑制された茶飲料の提供。【解決手段】分子量が７ｋＤａ以下のキトサンを２００ｐｐｍ以下の濃度で含有する非発酵茶飲料又は半発酵茶飲料。キトサンの濃度が１～８０ｐｐｍであることが好ましい前記飲料。キトサンの分子量が５ｋＤａ以下であることが更に好ましい前記飲料。緑茶飲料又は烏龍茶飲料である、前記飲料。ｐＨが３．５～７．５である、前記飲料。容器詰飲料である、前記飲料。【選択図】図１
