Fig. 2: Chemical diversity and distribution of ATDs in Salvia. The most prevalent ATDs identified by LC-MS in both roots and leaves from Salvia.

a Thirty-six ATDs were divided into five groups based on different structural characteristics. ATDs in groups A, C, D, and E (which accumulated specifically in leaves) exhibited higher intensities in the negative ion mode, and ATDs in group B (which accumulated specifically in roots) exhibited higher intensities in the positive ion mode. 1: 7, 20-Dihydroxyabietaquinone; 2: 16, 20-Dihydroxyabietaquinone; 3: 7-Keto, 20-hydroxyabietaquinone; 4: 11, 20-Dihydroxysugiol; 5: 20-Hydroxyabietaquinone; 6: Miltirone; 7: Cryptotanshinone; 8: Tanshinone IIA; 9: 1, 2-Dihydrotanshinquinone; 10: Dihydrotanshinone I; 11: Methylenetanshinquinone; 12: Tanshinone I; 13: Przewaquinone C; 14: 7-Keto-royleanone; 15: Royleanone; 16: 11-Hydroxysugiol; 17: 7-Hydroxyroyleanone; 18: 6-Hydroxyroyleanone; 19: 6-Keto-11-hydroxysugiol; 20: 7, 11-Dihydroxyferruginol; 21: 11, 14-Dihydroxysugiol; 22: 11-Hydroxyferruginol; 23: 20-Keto-2, 11-dihydroxyferruginol; 24: 20-Keto-11-hydroxysugiol; 25: 20-Keto-7-hydroxyferruginol; 26: 20-Keto-6-hydroxyferruginol; 27: 20-Keto-7-acetyferruginol; 28: 7-Hydroxy-20-carboxyabietaquinone; 29: 7-Hydroxyisocarnosol; 30: 6-Hydroxycarnosol; 31: 7-Keto-carnosic acid; 32: 7-Methoxycarnosol; 33: 6-Methoxycarnosol; 34: Carnosol; 35: Carnosic acid; 36: Methyl carnosate. b Distribution patterns of the 36 ATDs in 71 Salvia species. PR, subgenera Perovskia and Rosmarinus. Source data are provided as a Source Data file.