Comparison of instrumental techniques for the determination of vitamin c in citrus fruits

Abstract

Vitamin C is one of the water-soluble vitamins that has been given greater importance and study over the years, due to its relationship to providing great health benefits. During the Covid-19 pandemic, one of the main recommendations was the consumption of vitamin C to counteract the effects of the virus and strengthen the immune system, due to its great antioxidant effect. Vitamin C is found in different foods such as fruits and vegetables, however, it is mostly related to citrus fruits. The consumption of citrus fruits is very common in tropical countries due to its ease of supply in the local market. There have been many studies related to the determination of the vitamin C content in different types of food using a variety of techniques. This study carries out a documentary review through different sources of the instrumental techniques for the determination of vitamin C in citrus fruits carried out by other authors who have shown interest in the subject. A comparison is made of the instrumental techniques used for the determination of vitamin C, resulting in those chromatographic techniques are the most used due to their versatility and variety of presentations, but other techniques of equal importance are also used, such as spectrometric and volumetric.