Table 3.

Categorization of Gingko biloba commercial unfinished products via different analyses

Method of analysis	Characteristic GbE samples	Intermediate	Uncharacteristic GbE samples
HPLC-ELSD chromatographic visual inspection	1, 1F, L, T, U1	D, E, I, J, K, N, O, P, Q, R, S	A, B, C, F, G, H, M
HPLC-ELSD PCA	1, 1F, U1	D, E, I, J, K, L, M, N, O, P, Q, R, S, T	A, B, C, F, G, H
NMR qualitative/unsupervised	1, 1A, 1F, I, J, K, L, N, O, Q, R, S, T, U1		A, B, C, D, E, F, G, H, M, P
HPTLC	1A, L, T		D, E, G, I, J, K, N, O, P, Q, R, S
HPLC analysis of GbE marker constituents	1, 1A, 1F, L, T, U1	D, E, I, J, K, N, O, Q, R, S	A, B, C, F, G, H, M, P
NMR quantification	1, 1A, 1F, K, L, U1, T	D, E, I, J, N, O, Q, R, S	A, B, C, F G, H, M, P

¹NIST unfinished GbE SRM 3247