ChenGuang Biotech announced that the company has recently obtained three invention patents issued by the China National Intellectual Property Administration.

One of the patents is a preparation method of hawthorn leaf extract rich in Vitexin rhamnoside, with advantages of simple process, low production cost, low pollution, and being suitable for industrial production.

Another patent is a method of continuous static degumming of red chili pigment, which is simple and continuous, allowing for thorough degumming.

The last patent is a production method of low-soluble residual curcumin crystal, which greatly improves the safety of using curcumin crystals as a food additive, making the product safe, nutritious and functional. All these patents have validity period of 20 years. (Source:

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