Table 2.

Percent by weight of unhydrolyzed GbE constituents quantitated by NMR

Source/type2	GbE ID	Terpene trilactones					Rutin	Flavonols1
		Bilobalide	A	B	C	J		Quercetin	Kaempferol	Isorhamnetin
NTP UFP	1A	3.10	3.30	0.70	0.60	0.30	1.90	ND	ND	ND
NTP UFP	1F	9.80	10.60	1.80	2.10	1.00	7.40	ND	ND	ND
NTP UFP	1	10.30	8.60	1.60	1.90	0.90	6.50	ND	ND	ND
1 UFP	A	ND	ND	ND	ND	ND	8.80	0.10	ND	ND
1 UFP	B	ND	ND	ND	ND	ND	13.10	ND	ND	ND
1 UFP	C	ND	ND	ND	ND	ND	15.60	ND	ND	ND
2 UFP	D	0.90	2.20	0.70	1.50	0.70	1.90	2.50	1.00	ND
3 UFP	E	0.50	1.80	0.50	1.10	0.50	1.90	1.60	1.00	ND
4 UFP	F	ND	ND	ND	ND	ND	18.10	ND	ND	ND
5 UFP	G	ND	ND	ND	ND	ND	ND	ND	ND	ND
5 UFP	H	ND	ND	ND	ND	ND	ND	ND	ND	ND
5 UFP	I	0.50	1.10	0.40	0.50	0.30	ND	1.60	0.50	ND
6 UFP	J	1.10	2.10	0.60	0.50	0.30	ND	1.80	1.30	ND
7 UFP	K	3.90	3.50	1.10	1.50	0.90	2.70	3.70	2.70	ND
8 UFP	L	3.90	3.00	1.00	1.30	0.80	5.70	ND	ND	ND
9 UFP	M	0.60	0.60	0.20	0.20	0.10	ND	1.00	0.70	ND
9 UFP	N	1.50	4.30	1.40	0.50	0.40	ND	4.30	1.90	ND
10 UFP	O	2.90	4.50	1.40	1.00	0.70	ND	8.00	0.90	ND
11 UFP	P	ND	ND	ND	ND	ND	1.40	0.70	1.70	ND
12 UFP	Q	1.20	2.50	0.80	1.40	0.70	2.20	2.10	1.30	ND
13 UFP	R	0.80	1.60	0.60	0.50	0.30	1.30	1.10	0.80	ND
14 UFP	S	0.90	0.80	0.20	0.30	0.20	ND	1.20	0.90	ND
15 UFP	T	2.20	2.30	0.80	0.70	0.40	3.60	0.20	0.30	ND
NIST SRM	U	2.80	2.40	0.60	1.10	0.70	3.00	ND	0.20	ND
NIST SRM	V	0.90	0.70	0.20	0.30	0.20	0.90	ND	ND	ND
16 FP	W	1.90	1.50	0.60	0.80	0.30	0.40	ND	ND	ND
16 FP	X	5.83	5.25	1.75	2.33	1.17	6.42	ND	0.58	ND
16 FP	Y	4.58	4.58	1.25	1.67	1.25	4.58	ND	ND	ND
16 FP	Z	6.25	5.83	1.67	2.08	1.67	6.67	ND	ND	ND

¹Values reported for quercetin, kaempferol, and isorhamnetin are aglycone concentrations. Glycoside values may be obtained by multiplying the quercetin, kaempferol, and isorhamnetin values by 2.504, 2.588, and 2.437, respectively. ND, not detected

²FP, finished product; UFP, unfinished product; SRM, standard reference material