ORIGINAL RESEARCH
How Exogenous Selenium Affects Anthocyanin
Accumulation and Biosynthesis-Related Gene
Expression in Purple Lettuce
Dandan Liu, Hui Li, Yongzhu Wang, Zhengzheng Ying, Zhiwei Bian,
Wenli Zhu, Wei Liu, Lifei Yang, Dahua Jiang
Pol. J. Environ. Stud. 2017;26(2):717-722