Table 4.

Content of phenolic compounds (μg fruit⁻¹; mean value ± standard error, n = 3) in the fruit flesh of the three species of plum* at different development stages.

μg fruit−1	Neochlorogenic Acid	Catechin	Chlorogenic Acid	Chlorogenic Acid Derivatives §	Quercetin-3-O-Glucosides	Kaempferol-3-O-Glucosides	Quercetin	Kaempferol
M1	1576.04 ± 32.97	767.54 ± 18.99	652.92 ± 9.17	602.26 ± 0.37	nd	13.34 ± 0.46	nd	nd
M2	2082.00 ± 34.66	422.76 ± 19.60	1288.17 ± 6.37	262.02 ± 0.47	nd	38.99 ± 0.88	nd	nd
M3	1930.46 ± 5.58	278.70 ± 13.01	1230.27 ± 13.03	192.73 ± 5.85	29.93 ± 0.69	43.78 ± 1.05	nd	nd
M4	2649.69 ± 9.75	390.95 ± 8.06	2017.87 ± 11.43	175.56 ± 5.23	347.67 ± 5.45	61.48 ± 2.10	nd	nd
M5	2720.54 ± 3.55	185.92 ± 3.51	2188.98 ± 14.27	107.47 ± 0.80	510.51 ± 9.61	75.53 ± 1.01	nd	nd
P1	5716.42 ± 18.76	1703.12 ± 12.31	2560.43 ± 38.99	1751.87 ± 22.22	122.14 ± 1.57	nd	nd	nd
P2	13424.89 ± 211.38	4279.93 ± 30.91	3726.35 ± 29.24	1516.45 ± 1.71	81.21 ± 0.43	nd	nd	nd
P3	19500.09 ± 94.72	6038.34 ± 118.27	8248.39 ± 74.07	732.75 ± 14.95	285.42 ± 5.12	nd	nd	nd
P4	25917.90 ± 350.43	6105.60 ± 64.32	10345.19 ± 30.50	452.59 ± 13.61	535.55 ± 6.26	nd	nd	nd
P5	27236.76 ± 47.66	6072.68 ± 23.90	11400.52 ± 86.64	365.11 ± 3.29	1025.85 ± 6.87	nd	nd	nd
S1	234.73 ± 1.97	159.63 ± 2.45	167.62 ± 1.56	84.59 ± 1.02	76.22 ± 2.72	46.07 ± 1.43	16.39 ± 0.03	49.58 ± 4.01
S2	1129.58 ± 1.90	400.86 ± 9.63	897.49 ± 1.56	91.04 ± 0.30	308.69 ± 32.61	164.56 ± 10.77	80.96 ± 0.46	197.84 ± 1.18
S3	1826.98 ± 2.33	941.79 ± 1.73	1738.50 ± 10.03	31.99 ± 0.06	314.35 ± 2.80	121.44 ± 15.10	nd	298.35 ± 6.24
S4	3127.20 ± 2.22	571.82 ± 7.51	3039.10 ± 18.31	26.25 ± 0.05	229.56 ± 1.61	40.00 ± 0.33	nd	252.00 ± 3.15
S5	2677.35 ± 10.41	1674.63 ± 20.08	2775.05 ± 8.96	23.75 ± 0.33	2442.39 ± 43.65	1012.02 ± 38.74	419.53 ± 3.86	180.01 ± 0.53

* Plum samples abbreviations are described in Table 1; ^§ sum of chryptochlorogenic acid, isochlorogenic A, and isochlorogenic C; nd = not detectable.