Industrial liquid curd is one of the modern and hygienic dairy products that is produced by diluting solid curd or directly processing buttermilk and whey in industrial factories. This product is completely safe in terms of hygiene by undergoing standard processing, packaging and pasteurization stages and has become a suitable alternative to traditional types of curd due to its uniform texture, mild taste and ease of use. Liquid curd is mainly used as a seasoning in preparing dishes such as soup, eggplant curd and soup, and thanks to its proper packaging and high shelf life, it has found a permanent place in the food basket of many households.