Table 2. Changes in flavonoid concentrations (mg/100 g) of citrus fruit pulp and peel during maturation

Date	Pulp (mg/100 g)					Peel (mg/100 g)
Date	Rutin	Narirutin	Hesperidin	Nobiletin	Tangeretin	Rutin	Narirutin	Hesperidin	Nobiletin	Tangeretin
Oct. 7	28.75 ±2.01^1)c2)	1,629.54 ±145.6^c	150.78 ±9.22^c	ND³⁾	ND	226.37 ±26.86^c	13,809.95 ±1,845.4^c	867.48 ±101.59^c	1478.86 ±156.85^d	91.42 ±8.85^c
Nov. 4	20.43 ±2.66^b	1,007.46 ±158.9^b	117.57 ±7.21^b	ND	ND	171.37 ±24.81^bc	8,128.73 ±1,215.92^b	560.43 ±93.30^b	1242.41 ±179.71^cd	74.11 ±13.23^bc
Dec. 9	18.11 ±1.99^ab	720.80 ±120.34^a	85.33 ±4.09^a	ND	ND	155.52 ±42.5^bc	6,837.90 ±873.54^ab	475.72 ±106.03^ab	1073.68 ±178.26^bc	63.19 ±10.54^b
Jan. 6	17.63 ±3.15^ab	673.02 ±110.68^a	78.17 ±9.71^a	ND	ND	163.03 ±76.69^bc	6,513.91 ±1,821.08^ab	463.22 ±206.34^ab	901.39 ±176.61^ab	53.07 ±12.08^ab
Feb. 9	19.34 ±1.88^ab	710.54 ±97.61^a	78.87 ±6.73^a	ND	ND	119.52 ±32.64^ab	5,448.03 ±1,203.17^ab	312.73 ±31.01^a	667.48 ±89.13^a	35.38 ±5.28^a
Mar. 9	17.69 ±1.63^ab	689.94 ±143.25^a	85.75 ±16.50^a	ND	ND	79.18 ±10.95^ab	5,085.26 ±690.34^a	279.22 ±38.47^a	652.26 ± 84.22^a	37.34 ±4.40^a
Mar. 23	15.01 ±0.72^a	555.67 ±92.01^a	79.44 ±11.48^a	ND	ND	111.51 ±36.82^ab	4,391.03 ±658.71^a	306.22 ±48.68^a	693.96 ±155.32^a	37.80 ±9.84^a

All values are mean±SD (n=5). Values are expressed as mg/100 g of dry extract basis.
Means with different superscript letters (^a-d) in the same column are significantly different (p<0.05) by Tukey’s honest significant difference (HSD) test.
ND, not detected.