Table Info

Table 2.

Flavanol, dihydrochalcone, and flavonol composition and distribution in core, pulp, and peel of apple fruit (ug/g)

Variety	Part	Catechin	Epicatechin	Phloretin 2’-O-glucuronide	Phloretin	Quercetin	Quercetin-3-O-rhamnoside	Quercetin-3-O-galactoside	Quercetin-3-O-rutinoside
FS	Core	11.476 ± 0.057	24.164 ± 1.12	328.260 ± 3.457	2.407 ± 0.087	13.152 ± 1.211	18.001 ± 1.053	71.476 ± 2.331	LD
	Pulp	8.885 ± 0.044	28.191 ± 0.93	12.451 ± 0.786	0.626 ± 0.002	1.715 ± 0.033	6.826 ± 0.443	12.236 ± 1.327	LD
	Peel	35.044 ± 1.233	139.266 ± 5.67	61.064 ± 1.003	3.591 ± 0.232	10.576 ± 0.089	18.712 ± 0.321	37.161 ± 0.854	LD
QP	Core	37.201 ± 1.768	91.672 ± 3.82	234.08 ± 3.221	1.707 ± 0.095	5.305 ± 0.096	31.266 ± 0.965	195.532 ± 3.676	LD
	Pulp	12.478 ± 0.775	58.840 ± 1.77	11.699 ± 0.078	0.518 ± 0.008	2.077 ± 0.921	12.427 ± 0.883	23.779 ± 1.031	LD
	Peel	15.016 ± 0.853	73.534 ± 2.95	107.643 ± 2.191	3.477 ± 0.021	11.610 ± 0.997	38.852 ± 1.110	61.444 ± 1.221	LD
HH	Core	20.822 ± 0.929	1.272 ± 0.06	481.541 ± 3.889	5.298 ± 0.011	5.770 ± 0.893	23.249 ± 1.091	115.748 ± 2.973	LD
	Pulp	17.693 ± 0.893	61.041 ± 1.75	14.876 ± 0.989	1.184 ± 0.006	1.651 ± 0.076	6.669 ± 0.988	23.340 ± 0.965	LD
	Peel	55.486 ± 2.678	193.71 ± 6.89	98.484 ± 2.001	2.785 ± 0.004	8.058 ± 0.93	21.116 ± 1.212	97.106 ± 2.3332	LD
QG	Core	28.184 ± 1.077	14.572 ± 2.55	522.347 ± 4.878	9.765 ± 0.024	10.948 ± 0.992	44.376 ± 2.331	113.691 ± 2.136	LD
	Pulp	15.267 ± 0.436	5.796 ± 1.43	11.398 ± 0.911	4.822 ± 0.021	2.281 ± 0.065	3.708 ± 0.887	17.551 ± 0.981	LD
	Peel	10.679 ± 0.387	18.979 ± 3.87	56.608 ± 1.031	9.353 ± 0.053	13.717 ± 1.001	31.132 ± 1.223	40.378 ± 0.657	32.050 ± 0.881
JS	Core	22.144 ± 0.975	99.285 ± 2.21	749.750 ± 8.997	6.455 ± 0.005	8.417 ± 0.884	23.786 ± 0.999	202.443 ± 2.334	3.145 ± 0.765
	Pulp	19.930 ± 0.846	59.438 ± 1.76	40.905 ± 0.932	2.712 ± 0.031	2.831 ± 0.056	LD	30.200 ± 1.001	LD
	Peel	32.774 ± 1.773	126.095 ± 2.10	96.038 ± 1.005	5.754 ± 0.064	18.236 ± 0.108	27.091 ± 1.001	114.035 ± 5.342	4.549 ± 0.876
CMO	Core	35.267 ± 1.652	70.162 ± 1.98	11.433 ± 0.945	7.03 ± 0.057	7.063 ± 0.230	16.199 ± 0.922	71.770 ± 2.537	4.927 ± 0.342
	Pulp	7.647 ± 0.320	28.085 ± 0.97	18.643 ± 0.932	2.938 ± 0.009	2.059 ± 0.107	2.740 ± 0.934	26.751 ± 0.933	0.107 ± 0.002
	Peel	58.701 ± 2.351	165.489 ± 3.54	71.681 ± 1.034	4.874 ± 0.085	31.669 ± 1.336	LD	70.359 ± 1.897	23.368 ± 0.976
GL	Core	26.555 ± 1.112	97.293 ± 2.336	303.421 ± 3.425	7.22 ± 0.032	9.216 ± 0.887	19.572 ± 0.988	136.996 ± 2.365	2.074 ± 0.331
	Pulp	31.310 ± 1.973	80.697 ± 1.987	16.139 ± 0.887	3.328 ± 0.009	2.278 ± 0.006	4.119 ± 0.093	28.069 ± 1.021	LD
	Peel	70.957 ± 3.555	197.228 ± 3.354	62.385 ± 1.062	1.519 ± 0.007	125.675 ± 3.576	33.988 ± 1.009	56.590 ± 2.334	25.484 ± 2.101

Data are presented as mean ± SD of three independent experiments, different letters follow indicate significant differences (P < 0.05)

Declarations

Author contributions

XL, JXH and WYW: Conceptualization, Investigation, Writing—original draft, Writing—review & editing. JB: Validation, Writing—review & editing, Supervision. All authors read and approved the submitted version.

Conflicts of interest

The authors declare that they have no conflicts of interest.

Ethical approval

Not applicable.

Consent to participate

Not applicable.

Consent to publication

Not applicable.

Availability of data and materials

Not applicable.

Funding

This work is funded by China Agricultural Research system [CARS-27], and the earmarked fund for the National Natural Science Foundation of China, “Mechanism study of polyphenol-pectin interaction on the oxidation characteristics of polyphenols in dried apple storage process [31901714]” The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Copyright

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