What Makes Noodles Yellow

As a major carbohydrate in many Asian countries, noodles are a versatile ingredient which can be cooked in many ways. Good noodles are usually dense and chewy, hence suitable for cooking with a variety of ingredients. If you've been paying attention, you will notice that most noodles are usually yellow. So what makes noodles yellow?

Is it because of the use of eggs? A common misconception is that yellow noodles are yellow because of the use of eggs. However, this is not true.Typically, most commercial yellow noodles are made from 4 key ingredients: wheat flour, water, salt and alkaline salt. Noodles are yellow due to a reaction that happens between the alkaline water and flour. Flavones, a naturally occurring component in flour, are usually colourless. However, when placed at alkaline pH, flavones turn yellow. Therefore, it is the reaction between flavones in flour and alkaline salt that causes noodles to turn yellow.

Why add alkaline salt in noodle making process? A common form of alkaline salt used to make yellow noodles is lye water, which is a food-grade alkaline solution that is used in many cuisines all over the world. The addition of lye water gives the noodles a springy, elastic and firm texture and a better taste.

Broadyea Machinery has more than 30 years of experience. We can provide different kinds of noodle production line for you according to your requirements. Hope we can establish the business relations with you in near future. Don't hesitate to contact us!