不同牡丹品种开花期间花瓣花青素和类黄酮组成的动态变化

崔虎亮,贺霞,张前

Anthocyanins and Flavonoids Accumulation Forms of Five Different Color Tree Peony Cultivars at Blooming Stages

CUI HuLiang,HE Xia,ZHANG Qian

表2 牡丹品种花瓣中黄酮类化合物的色谱、光谱和质谱特征数据

Table 2 Chromatographic, spectroscopic, and mass spectrometric features of identified flavonoids from tree peony cultivars

峰序号 Peak number	推定物质 Putative identification matter	保留时间 Rt (min)	最大波长 λ_max (nm)	质谱离子ESIMS (m/z)				参考依据 Reference
峰序号 Peak number	推定物质 Putative identification matter	保留时间 Rt (min)	最大波长 λ_max (nm)	母离子+ [M+H]⁺	二级离子+ MS²-PI	母离子- [M-H]^-	二级离子- MS²-NI	参考依据 Reference
1	未知 Unknown	14.41	352.7	-	-	-	-
2	未知 Unknown	15.78	331.9	465.08	303.02/229.05	463.09	271.00
3	Km3g7g	16.54	265.11, 345.81	633	449	609	447/285.04	[6,8]
4	Km3g	17.24	266.22, 352.43	471.24	287.05	447.34	284.16/249.04	[8]
5	Rutin	22.76	326.9	610.53		609.1	301.04	std
6	Km7g	23.2	266.03, 362.07	449.11	287.05	447.09	285.04	[8]
7	Qu3g	24.08	254.08, 347.39	487.12	303.01	463.09	301.03	std
8	未知Unknown	26.27	269.81, 336.57	625.17	479.12	-	-
9	Ap5g	26.97	268.33, 336.57	433.11	256.96	431.36	269.22	[6,8]
10	Aphg	27.59	265.21, 336.51	601.28	579.26/433.2/271.07	577.44	431.36/269.17	[6,8]
11	Lt7g	27.88	266.01, 344.77	449.1	287.05/135.05	447.21	285.01	[6,8]
12	My	28.56	269.11, 345.29	319.04	217.05	463.1	179	std