Posts tagged 'beer'

Choosing the right scale for a brewery
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Choosing the right scale for a brewery

Consumers are becoming choosier when it comes to beer. Hobbyists and microbreweries are rising, as are craft beer sales. The market is becoming saturated, and even big brands buy off smaller craft breweries to get in the game. Because of these factors, it’s important to create a quality recipe and scale production efficiently to get in the market. Scales are used throughout various stag...
Sulphur Dioxide in Wine
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How to measure the amount of Sulphur Dioxide in Wine

Sulphur dioxide ( SO2) is used in food and drinks for it's preserving and anti-oxidising properties. It was used back by the Romans in wine making, when they found that burning sulphur candles inside the empty wine vessels kept them fresh and free from the vinegar smell. Nowadays Sulphur dioxide is used to preserve the colour, flavour and stability of the wine. As an antimicrobial SO2 interf...

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How can I measure the amount of haze in beer?

Ingredients in beer can precipitate forming a hazy or milky appearance which can affect the end product quality. Proteins, carbohydrates, polyphenols, fatty acids, nucleic acids amino acids, etc. present in the beer whilst at room temperature may be clear, when chilled reacts and clump into larger particles known as haze. These particles are large enough to reflect light and the turbidity can b...

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Measuring the pH of Beer & Ale

You will find there are a lot of different models of pH meter ranging from simple pen devices to high end bench top meters and not to mention the large choice of electrodes to choose from. Here's an overview of what you need to know about pH: What is pH? pH meters measure the degree of acidity or basicity of a solution which is proportional to the amount of Hydrogen ions there are in ...

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Testing the bitterness of Beers and Ales

Bitterness in beer is measured on the International Bitterness Units (IBU) scale. This measures the amount of primarily iso-α-acids in a beer which is the acid found in hops that gives beer it's bitter taste. [caption id="attachment_9660" align="aligncenter" width="300"] Hops growing[/caption] The most widely used method to measure IBU is through spectrophotometry. Whilst some procedures ...

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How can I measure the Colour of Beer?

The chemical reaction, known as the Maillard reaction, between amino acids and reducing sugars gives your beer the identifiable brown and amber hues. Not only is the colour important by effecting the consumer's sensory anticipation of the beer's taste, monitoring the colour will also help diagnose if there are any issues in the production of the beer. To maintain the same high quality be...

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How can I test my water is suitable for beer brewing?

The quality of water used has a huge effect on the quality of the beer produced. Several different parameters are key when brewing, all of which have different effects on the final product. For example Sulphate brings out the bitterness in hops, Chloride  can enhance the flavour in low concentrations, but can give a medical taste in high amounts, and Calcium lowers the pH which contribute...

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