TABLE 1.

Characteristic ions from detected lignans in positive mode mass spectral analyses

Base peaks are in bold.

Lignan	Molecular mass	ESI-MS m/z
	Daltons
(−)-Podophyllotoxin (1b)	414	437, 432, 415, 397, 247
(−)-α-Peltatin (20b)	400	423, 418, 401, 247
(−)-ß-Peltatin (27b)	414	415, 247, 203
Podophyllotoxin-glucoside (41)	576	599, 594, 397
α-Peltatin-glucoside (42)	562	580, 563, 409, 247
ß-Peltatin-glucoside (43)	576	594, 577, 415, 409, 247
4′-Demethylpodophyllotoxin (16)	400	423, 418, 401, 383, 247