Funding for this research was provided by:
the National Science Foundation of China (No.21565001, No. 31271868)
Key Project of North Minzu University (No. 2015KJ30)
Article History
Received: 27 August 2018
Revised: 29 April 2019
Accepted: 8 May 2019
First Online: 22 May 2019
Compliance with Ethical Standards
:
: There are no conflicts to declare.
: This article does not contain any studies with human participants or animals performed by any of the authors. In this experiment, we did not collect any samples of human and animals. The milk sample used in this paper is only a China national-certified reference standard material, which was purchased from a commercial institute in China.