Table 2.

Average total and soluble oxalate contents in 22 herbs (mg/100 g dry weight; means of n = 22)

No.	Name	Family	Parts analyzed	Total oxalate	Soluble oxalate
1	Perilla frutescens	Lamiaceae	Stems and leaves	908	176
2	Nelumbo nucifera	Nelumbonaceae	Leaves	3066	211
3	Hedyotis diffusa	Rubiaceae	Stems	857	152
4	Heliotropium peruvianum	Boraginaceae	Leaves	1503	719
5	Siegesbeckia orientalis	Asteraceae	Stems and leaves	2034	165
6	Glechoma hederacea	Lamiaceae	Stems and leaves	1389	154
7	Eupatorium cannabinum	Asteraceae	Stems and leaves	1003	110
8	Scutellaria barbata	Lamiaceae	Stems and leaves	258	123
9	Orthosiphon spiralis	Lamiaceae	Stems and leaves	499	197
10	Houttuynia cordata	Saururaceae	Stems and leaves	3204	2146
11	Selaginellae doederleinii	Selaginellaceae	Leaves	165	71
12	Plantago asiatica	Plantaginaceae	Stems and leaves	511	83
13	Eclipta prostrata (Linn.)	Asteraceae	Stems and leaves	521	1218
14	Leonurus artemisia	Lamiaceae	Stems and leaves	1332	429
15	Folium eriobotryae	Rosaceae	Leaves	3203	93
16	Agastache	Lamiaceae	Stems and leaves	1482	340
17	Schizonepeta	Lamiaceae	Stems and leaves	213	134
18	Folium isatidis	Acanthaceae	Leaves	569	127
19	Hypericum sampsonii	Hypericaceae	Leaves	192	101
20	Taraxacum officinale	Asteraceae	Leaves and flowers	168	104
21	Artemisia indica	Compositae	Leaves	1340	462
22	Mentha arvensis	Lamiaceae	Leaves	245	167