Table 2.

Levels of various polyphenols found in nine elderberry genotypes from three Missouri sites across three growing seasons (2009-2011).

	Chlorogenic acid (mg/kg)	Neo- chlorogenic acid (mg/kg)	Crypto- chlorogenic acid (mg/kg)	Isoquercitrin (mg/kg)	Rutin (mg/kg)	Kaempferol 3-rutinoside (mg/kg)	Isorhamnetin 3-rutinoside (mg/kg)	Isorhamnetin 3-glucoside (mg/kg)
Year (Y)
2009	20.1 b z	8.67 b	2.16 b	3.7 c	66.8 b	7.56 b	29.4 c	0.35 b
2010	22.5 b	7.32 b	2.71 ab	10.6 b	88.5 b	6.56 b	49.4 b	1.52 b
2011	49.2 a	15.29 a	4.36 a	31.1 a	190.6 a	11.14 a	107.5 a	5.76 a
Site (S)
MV	22.2 b	8.31 b	2.77 b	10.7 c	95.7 c	7.60 b	57.2 c	1.58 c
MG	29.4 b	8.96 b	3.17 ab	27.3 b	142.5 b	8.40 b	74.2 b	6.59 a
JC	61.5 a	18.63 a	4.77 a	30.9 a	202.4 a	12.00 a	107.6 a	4.92 b
Genotype (G)
Bob Gordon	29.0 b	15.52 b	3.35 bc	22.3 bc	121.3 cd	12.17 a	43.9 cd	2.34 cd
Dallas	13.3 cd	6.17 de	2.60 bcd	21.2 bcd	91.6 d	12.64 a	25.7 de	3.69 bc
Marge	24.1 bc	3.24 de	0.94 bcd	27.5 a	217.6 b	10.31 a	146.6 a	3.05 bc
Ocoee	98.2 a	27.95 a	7.48 a	18.9 cde	264.2 a	9.03 ab	69.3 c	2.26 cd
Ozark	92.3 a	28.83 a	9.18 a	25.7 ab	83.6 d	5.24 b	97.6 b	5.93 a
Ozone	23.9 bc	8.65 cd	3.40 b	14.0 e	134.5 c	11.87 a	169.1 a	4.42 ab
Sperandio	4.2 d	0.25 e	0.01 d	6.3 f	37.8 e	4.89 b	22.6 de	0.92 d
Wyldewood	34.5 b	12.72 bc	3.53 b	25.4 ab	199.0 b	5.06 b	14.2 e	4.17 abc
York	4.7 d	1.15 e	0.51 cd	16.2 de	99.2 cd	10.99 a	99.9 b	4.56 ab
Overall mean	36.1	11.74	3.48	20.2	138.4	9.15	76.5	3.55
Interactions y
Y × S	NS	NS	*	***	NS	NS	NS	NS
Y × G	***	**	NS	***	***	**	***	NS
S × G	***	***	NS	***	***	**	***	NS
Y × S × G	NS	**	**	***	*	NS	NS	NS

^zMeans within sub-columns with the same letters are not significantly different according to the least significant difference test (P ≤ 0.05).

^yNS, *, **, ***: Interactions not significant (P ≤ 0.05), or significant at the P ≤ 0.05. 0.01, or 0.001 levels, respectively.