PROBLEM TO BE SOLVED: To provide a technique for highly refining a beverage with the incorporation of acidic milk as a premise.SOLUTION: Provided is an acidic milk-containing highly refined beverage containing acidic milk and soybean polysaccharide, in which the content of milk solids-not-fat derived from the acidic milk is 0.009 mass% or lower to the whole quantity of the acidic milk-containing highly refined beverage, the content of the soybean polysaccharide is 0.5 mass% or lower to the whole quantity of the acidic milk-containing highly purified beverage, the pH of the acidic milk-containing highly refined beverage is 2.8 to below 3.5, and the absorbance at the wavelength 650 nm of the acidic milk-containing highly refined beverage is 0.02 or lower.SELECTED DRAWING: None【課題】酸性乳を含むことを前提とした飲料の高清澄化技術を提供する。【解決手段】酸性乳と、大豆多糖類と、を含む酸性乳含有高清澄飲料であって、前記酸性乳に由来する無脂乳固形分の含有量が、当該酸性乳含有高清澄飲料全量に対して０．００９質量％以下であり、前記大豆多糖類の含有量が、当該酸性乳含有高清澄飲料全量に対して０．５質量％以下であり、当該酸性乳含有高清澄飲料のｐＨが２．８以上３．５未満であり、当該酸性乳含有高清澄飲料の波長６５０ｎｍにおける吸光度が０．０２以下である。【選択図】なし
