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Citric Acid

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  • More than just a good flavor

    Not only do citric acid and spicy 6-gingerol from ginger add special flavors to food and beverages; both substances also stimulate the molecular defenses in human saliva. That is the result of a human clinical trial by a team from the Technical University of Munich (TUM) and the Leibniz-Institute fo more

  • Artificial tongue made from polymer gel

    Scientists in China have made polymer gels that behave like artificial tongues. By measuring how the gels swell, bend and fluorescence, the researchers found that the gels selectively respond to and can distinguish between sourness (citric acid and gluconic acid), sweetness (glucose), saltiness (sod more

  • DSM to sell Citrique Belge to Adcuram

    Royal DSM N.V. announced that it has reached an agreement regarding the sale of Citrique Belge to Adcuram. The intended sale is expected to close in Q4 2010, subject to regulatory and other customary approvals and notifications. The intended sale of Citrique Belge is a result of DSM's ambitions to more

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What Makes Jam Set?

If you’ve ever tried your hand at jam-making, you’ll know that it’s something of a tricky process. A number of factors need to be just right to achieve a perfectly set jam – and chemistry can help explain why. There are three key chemical entities that go into jam-making: sugar, pectin, and acids. H more

Why Doesn’t Honey Spoil?

Honey is something of an oddity, in that, unlike most foods, it doesn’t spoil over time. In fact, the oldest known sample of honey, found in an Ancient Egyptian tomb and dated to approximately 3000 years ago, was still perfectly edible (supposedly*). What is it, then, that gives honey this unusual p more

Sourness & Scurvy

It seems like a good time to look at the chemistry of the humble lemon, and the compounds that give it its sour taste. Of course, citric acid is already well known – it even has its own E number (E330). However, a couple of other acid compounds are also contributors towards the chemical make up of a more

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Citric acid

Citric acid Citric acid is a weak organic acid found in citrus fruit s. It is a natural preservative and is also used to add an acidic (sour) taste to foods and soft drink s. In biochemistry , it is important as an intermediate in the citric ... more


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