Neutral is around 7 and anything under a ph of 4 is considered very acidic.
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In the tea industry, tea leaf grading is the process of evaluating products based on the quality and condition of the tea leaves themselves. Neutral is around 7 and anything under a ph of 4 is considered very acidic. Sipping acidic drinks such as fruit teas and flavoured water can wear away teeth and damage the enamel, an investigation by scientists has shown.
This article explores the question of how acidic tea is, and whether or not its acidity can contribute to any negative impacts on health.
Tea contains tannic acid, which becomes bitterer as the tea is steeped. A neutral ph level of can be found in pure water, however most food and drinks are at least slightly acidic. To ensure that tannins remain water soluble during extraction of caffeine from tea, sodium carbonate is added to the extraction medium. Apart from tasting good, brewed tea has many health benefits.
