Determination of royal jelly freshness by ELISA with a highly specific anti-apalbumin 1, major royal jelly protein 1 antibody. - Shen, Li-rong; Wang, Yi-ran; Zhai, Liang; Zhou, Wen-xiu; Tan, Liang-liang; Li, Mei-lu; Liu, Dan-dan; Xiao, Fa (Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2015)