**Acknowledgements**

Thankful for the project of UDSPTM.04/20-21, VAST03.08/20-21, and VAST06.06/20-21 are under the VAST, chaired by Associate Professor Dang Xuan Cuong, Dr. Nguyen Dinh Thuat, and Dr. Pham Duc Thinh for funding to contribute to the implementation of the book chapter.

Thankful for the project of antioxidant lignin-alginate pharmaceutical material is under the Ministry of Industry and Trade, chaired by Associate Professor Nguyen Xuan Hoan for funding to contribute to the implementation of the book chapter.
