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GREEN TEA EXTRACT SUBJECTED TO CATION EXCHANGE TREATMENT AND NANOFILTRATION TO IMPROVE CLARITY AND COLOR
GREEN TEA EXTRACT SUBJECTED TO CATION EXCHANGE TREATMENT AND NANOFILTRATION TO IMPROVE CLARITY AND COLOR
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机译:绿茶提取物经过阳离子交换处理和纳米过滤,以改善清晰度和色彩
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摘要
Green tea extracts having improved clarity and color. These extracts are obtained by treating the green tea extract with an amount of a food grade cation exchange resin effective to remove metal cations present in the extract. The treated extract is then contacted with a nanofiltration membrane while the treated extract is at a temperature of from about 100° to about 140 °F (from about 37.8° to about 60 °C) to provide a filtered green tea extract as the permeate. These green tea extracts can be included in a variety of beverages and are especially useful in suppressing the characteristic aftertaste of aspartame in diet beverages.
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