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A device in the shape of a pepper can reveal how hot the pepper is-ScienceDaily

 


Some people like spicy food. The hotter it is, the better. Others do not get in the way to avoid scorching burns on the palate of capsaicin, a compound that kicks peppers. Currently, researchers have developed a mobile device (a capricious shape like a pepper) that can reveal the amount of capsaicin contained in a pepper before it is chewed.They give their results ACS AppliedNanoMaterials..

Peppers are a popular ingredient all over the world. Capsaicin in peppers not only gives a spicy flavor, but also has several health benefits such as antioxidant, anti-carcinogenic and anti-inflammatory properties. Therefore, the demand for capsaicin as a food additive and pharmaceutical product is increasing. Warakorn Limbut et al. Wanted to develop a simple, accurate and inexpensive method for quantifying capsaicin content in peppers and food samples. Other methods developed for this purpose require complex, time-consuming, expensive and bulky equipment.

Researchers have created a small pepper-shaped portable device that can be connected to a smartphone to view analysis results. The paper-based electrochemical sensor in the device consisted of graphene nanoplatelets doped with nitrogen atoms to improve electrical conductivity. When the team added a drop of diluted capsaicin to the sensor, the compound oxidized and reduced, producing the current detected by the device. After optimizing the sensor, researchers used it to determine capsaicin levels in six dried pepper samples. They added the pepper to the ethanol-containing solution, swung it up, and then introduced a drop of sample. The device accurately measured capsaicin concentrations from 7.5 to 90 μM in 6 samples and was able to detect up to 0.37 μM in diluted samples.

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material Provided by American Chemical Society.. Note: The content can be edited in style and length.

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