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Brix (°Bx) is a way to measure the potential alcohol content of a wine before it’s made by determining the sugar level in grapes. Each gram of sugar that’s fermented will turn into about a 1/2 gram of alcohol.
- Evaluating Ripeness
- Determining Potential Alcohol
- Monitoring Fermentation
- How to Measure Brix
As harvest approaches, winemakers use Brix as a rough evaluation of grape maturity. “Testing for Brix is fast, and it has the strongest correlation to ripeness of any of the factors that we look at,” says Josh Maloney, who consults for a number of Washington wineries. Winemakers target a specific range based on variety, region, vintage and house st...
Once grapes are harvested, Brix measurements serve a different purpose. “It gives us a pretty good reflection of how much sugar is present and, therefore, the potential alcohol of the finished wine,” says Sabrina Lueck, interim director of winemaking at the Institute for Enology and Viticulture at Walla Walla Community College. As grape juice ferme...
After crushing grapes, winemakers check Brix daily to monitor fermentation. As yeasts convert sugar to alcohol, Brix drops, slowly at first and then more quickly. If one is fermenting to dryness, as opposed to leaving residual sugar, Brix readings ultimately go below zero. If Brix stalls before a wine is dry, that means yeasts have stopped converti...
There are three tools winemakers use to measure Brix. The first is a refractometer, a device that leverages light refracting differently in a liquid based on its density. Most of the density in grape juice comes from sugar. “It can only be used before fermentation, but it’s fantastically convenient and is a good tool in the vineyard,” says Lueck. T...
白利糖度（Brix）是测量糖度的单位，指的是在20℃情況下，每100克水溶液中溶解的蔗糖克数。 在一款葡萄酒的资料中，白利糖度一般指的是该款酒所使用的酿酒葡萄的含糖量，如“平均白利糖度19.5”的意思就是这批酿酒葡萄平均每100克里含有19.5克糖分。 就我们平时吃的葡萄来说，如果口感很甜，那就代表着白利糖度高，如果这个葡萄尝起来寡淡无味，那就说明葡萄的白利糖度低。 在葡萄酒的酿造过程中，葡萄果实的含糖量（白利糖度的高低）是考量葡萄成熟度的重要指标，决定了葡萄何时可以采收。 一般而言，酿造普通餐酒的葡萄在含糖量达到21-25白利糖度时就可以进行采收了。 通常情况下，1克糖分可以在发酵后转化为0.5克左右的酒精，因而葡萄糖分的高低基本决定了葡萄酒最终的 酒精度。
2018年11月5日 · What is Brix? A Brix value, expressed as degrees Brix (°Bx), is the number of grams of sucrose present per 100 grams of liquid. The value is measured on a scale of one to 100 and is used to...
2024年7月8日 · Brix is a scale measuring the sugar content in grapes or wine, expressed as a percentage. It helps winemakers determine the optimal harvest time and estimate the potential alcohol content after fermentation, as higher Brix levels indicate more sugar available for conversion into alcohol.
2024年1月4日 · Key Takeaways. Brix is a measurement used in winemaking to determine grape ripeness and potential alcohol level. Monitoring Brix levels throughout the winemaking process ensures desired style and flavor characteristics. Grapes harvested at the right Brix level produce wines with more complexity and depth.
2023年10月26日 · In layman’s terms, a wine’s “Brix level” is a measurement of the sugar content of the grape must prior to fermentation. From a consumer point of view, Brix levels aren’t telling of a wine’s...
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