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首页> 外文期刊>Journal of the Institute of Brewing >Heartwood dry extract: a key fraction for the quality and the diversity of rums and spirits
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Heartwood dry extract: a key fraction for the quality and the diversity of rums and spirits

机译：心材干燥提取物：质量和朗姆酒和烈酒的多样性的关键分数

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摘要

Oak heartwood provides easily soluble dry extract. The fraction is rich in various polymers including polysaccharides, polyphenols and lignin. During cask ageing, spirit composition improves by the addition of oak dry extract. New spirits, such as white rums, develop colour and character such as softness and sweetness. Mouthfeel and presentation of the final product are completely changed. The content of alcohol and dry extract influence the thickness and taste of the spirit. Microviscosity was measured in a commercial rums and other spirits, highlighting a direct correlation between dry extract and microviscosity. Two indices are proposed for the evaluation of ageing in oak casks: the ratio of Total Polyphenols Index (TPI)/dry extract and the Global Tastefully Index integrating microviscosity and TPI. The proposed indices allowed the differentiation between (i) long aged products, (ii) short ageing and (iii) white spirits with short ageing and artificial treatments mimicking cask ageing. (c) 2020 The Institute of Brewing & Distilling
机译：橡树心材易溶性干燥提取物。级分富含各种聚合物，包括多糖，多酚和木质素。在桶式老化期间，精神组成通过添加橡木干燥提取物而改善。新烈酒，如白朗姆酒，开发颜色和性格，如柔软和甜味。口感和最终产品的呈现完全改变。酒精和干燥提取物的含量影响了精神的厚度和味道。在商业朗姆酒和其他烈酒中测量微处理，突出了干燥提取物和微溶液之间的直接相关性。提出了两种指数，用于评估橡木葫芦老化：总多酚指数（TPI）/干燥提取物的比例和全球高度指数整合微处理和TPI。拟议的指标允许（i）长老年产品之间的差异化，（ii）短老化和（iii）白色烈酒，具有短老化和人工治疗模仿桶老化。 （c）2020酿造和蒸馏研究所

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