. 2022 Apr 15;13:894840. doi: 10.3389/fpls.2022.894840

Table 1.

Biochemical compositions of leaves in two tea cultivars under different shading periods.

Cultivar	Shading periods (day)	Theanine	Caffeine	DL-C	EC	ECG	GCG	EGC	EGCG
XFL	0	10.55 ± 0.23^bc	35.58 ± 1.92^c	6.48 ± 0.38^a	7.32 ± 0.03^a	11.21 ± 0.21^b	6.82 ± 0.65^b	32.52 ± 0.72^a	50.50 ± 1.04^b
	4	11.89 ± 0.09^a	42.57 ± 0.47^b	6.80 ± 0.06^a	7.72 ± 0.47^a	11.82 ± 0.75^b	9.17 ± 0.96^a	24.87 ± 0.64^b	49.74 ± 0.31^b
	12	10.90 ± 0.11^b	51.83 ± 1.79^a	4.09 ± 0.96^b	4.29 ± 0.13^c	9.16 ± 0.73^c	5.38 ± 0.53^b	8.51 ± 1.02^d	31.36 ± 0.84^c
	16	10.08 ± 0.48^c	44.55 ± 0.99^b	5.87 ± 0.28^a	6.36 ± 0.44^b	14.45 ± 0.26^a	5.49 ± 0.82^b	23.51 ± 0.33^c	59.49 ± 1.17^a
JXL	0	5.10 ± 0.20^b	27.29 ± 1.29^c	3.90 ± 0.57^a	6.49 ± 0.47^a	6.47 ± 0.37^bc	3.57 ± 0.25^a	19.51 ± 0.64^a	27.86 ± 0.12^b
	4	7.28 ± 0.23^a	30.61 ± 1.64^b	4.16 ± 0.31^a	6.01 ± 0.68^a	7.54 ± 1.10^b	3.02 ± 0.09^b	13.00 ± 0.33^c	27.28 ± 0.54^b
	12	7.74 ± 0.01^a	34.73 ± 1.25^a	2.93 ± 0.30^b	4.35 ± 0.32^b	5.90 ± 0.23^c	2.90 ± 0.31^bc	12.35 ± 0.22^c	22.87 ± 1.20^c
	16	5.07 ± 0.05^b	31.75 ± 0.29^b	4.35 ± 0.56^a	6.16 ± 0.54^a	11.75 ± 0.32^a	2.58 ± 0.19^c	16.05 ± 0.14^b	39.26 ± 2.38^a

Concentrations (dry weight, mg/g). Data were presented as mean ± SD (standard deviation) and were assessed by one-way ANOVA followed by Duncan's multiple range test. DL-C, Catechin; EC, (–)-Epicatechin; ECG, (–)-Epicatechin gallate; GCG, (–)-Gallocatechin gallate; EGC, (–)-Epigallocatechin; EGCG, (–)-Epigallocatechin gallate; XFL, leaf of “Xiangfeicui”; JXL, leaf of “Jinxuan”.

^a,b,c

Different letters of same cultivar in row represent p < 0.05.