Identification and characterization of the TmSnRK2 family proteins related to chicoric acid biosynthesis in Taraxacum mongolicum

Table 1 Summary of phenolic acid compounds identified by LC-MS from three different tissues in T. mongolicum

Name	tR (time)	Formula	Detected mass (m/z)	Root	Leaf	Flower
5-O-caffeoylshikimic acid	1.08	C₁₆H₁₆O₈	335	NA	4,293,770	5,949,565
tartaric acid	1.14	C₄H₆O₆	149	148,741,592	461,956,487	255,595,891
quinic acid	1.67	C₇H₁₂O₆	191	1,790,312,350	650,049,582	58,104,114
L-phenylalanine	2.20	C₉H₁₁NO₂	164	36,914,279	73,808,346	26,399,698
caftaric acid	12.34	C₁₃H₁₂O₉	311	49,185,566	414,459,731	72,392,367
p-coumalic acid	15.64	C₆H₄O₄	139	NA	15,626,781	13,597,985
caffeic acid	17.66	C₉H₈O₄	179	NA	40,390,192	14,809,587
chlorogenic acid	19.4	C₁₆H₁₈O₉	353	188,571,346	510,649,344	762,675,537
L-chicoric acid	24.41	C₂₂H₁₈O₁₂	473	9,875,936	1,706,070,695	NA
D-chicoric acid	29.86	C₂₂H₁₈O₁₂	473	537,100,170	4,057,936,374	978,947,266
isochlorogenic acid A	32.61	C₂₅H₂₄O₁₂	515	14,434,3609	152,238,351	258,167,407

Note: Signal-to-noise ratios (S/N > 3) were used in qualitative experiments for compounds to determine the presence or absence of compounds

ISSN: 1471-2164