VIETNAM NATIONAL UNIVERSITY OF AGRICULTURE FACULTY OF BIOTECHNOLOGY -------------***------------- GRADUATION THESIS TITLE: RESEARCH ON THE PROCESS OF SEPARATING COLLAGEN FROM HORSE SKIN HANOI – 2022 VIETNAM NATIONAL UNIVERSITY OF AGRICULTURE FACULTY OF BIOTECHNOLOGY -------------***------------- GRADUATION THESIS TITLE: RESEARCH ON THE PROCESS OF SEPARATING COLLAGEN FROM HORSE SKIN Student name : VU THI YEN Student code : 637193 Class : K63CNSHE Faculty : BIOTECHNOLOGY Supervisor : Dr. LE THI BICH THAO : Dr. NGUYEN THANH HAO HANOI – 2022 i DECLARATION OF AUTHORSHIP I hereby declare that this is my research work under the guidance of Dr. Le Thi Bich Thao and the co-direction of Dr. Nguyen Thanh Hao. The data and results presented in the thesis are honest and partly published in the proceedings of the Vietnam National Conference on Biotechnology 2022 with the consent and permission of the co-authors. The rest has not been published by anyone in any other work. Hanoi, day 22 month 2 year 2023 Student Vu Thi Yen