[1] [1] LIU B Q, LIU J F, HUANG D D,et al. Separation and purification of hydroxytysol and oleuropein fromOlea europaeaL. (olive) leaves using macroporous resins and a novel solvent system [J]. Journal of Separation Science, 2020, 43(13): 2619-2625.

[2] [2] ELHRECH H, AGUERD O, EL KOURCHI C,et al. Comprehensive review ofOlea europaea: a holistic exploration into its botanical marvels, phytochemical riches, therapeutic potentials, and safety profile [J]. Biomolecules, 2024, 14(6): 722.

[4] [4] XYNOS N, PAPAEFSTATHIOU G, GIKAS E,et al. Design optimization study of the extraction of olive leaves performed with pressurized liquid extraction using response surface methodology [J]. Separation and Purification Technology, 2014, 122: 323-330.

[5] [5] WANG X F, LI C, SHI Y P,et al. Two new secoiridoid glycosides from the leaves ofOlea europaeaL. [J]. Journal of Asian Natural Products Research, 2009, 11(11): 940-944.

[7] [7] ZCAN A A, DEMIRLI . Molecular imprinted solid-phase extraction system for the selective separation of oleuropein from olive leaf [J]. Separation Science and Technology, 2014, 49(1): 74-80.

[8] [8] ZHANG J, HUANG X Y, SUN X M,et al. Efficient method for the screening and identification of anti-diabetic components in the leaves ofOlea europaeaL. [J]. New Journal of Chemistry, 2014, 38(8): 3796-3802.

[9] [9] KHEMAKHEM I, AHMAD-QASEM M H, CATALN E B,et al. Kinetic improvement of olive leaves’ bioactive compounds extraction by using power ultrasound in a wide temperature range [J]. Ultrasonics Sonochemistry, 2017, 34: 466-473.

[10] [10] OTERO D M, OLIVEIRA F M, LORINI A,et al. Oleuropein: methods for extraction, purifying and applying [J]. Revista Ceres, 2020, 67(4): 315-329.

[20] [20] SIVAKUMAR G, UCCELLA N A, GENTILE L. Probing downstream olive biophenol secoiridoids [J]. International Journal of Molecular Sciences, 2018, 19(10): 2892.