Table 2. Saponin Content in the Most Known Rich Plant Sources.

common name	latin name	saponin content (% wt.)	ref
Alfalfa	Medicago sativa	0.14–1.7	(54)
American Ginseng	Panax quinquefolius	1.4–5.6	(55)
Chinese Ginseng	Panax ginseng	2–3	(31)
Fenugreek	Trigonella foenum-graecum	4–6	(56)
Green pea	Pisum sativum	0.2–4.2	(57)
Horse chestnut	Aesculis hipocastanun	3–6	(30)
Ivy	Hedera helix	5.9	(58)
Licorice root	Glycyrrhiza glabbra	22.2–32.3	(54)
Mullein	Verbascum nigrum	0.06	(59)
Oat	Avena sativa	0.1–0.13	(57)
Primula	Primula spp.	3.5–15	(60)
Puncturevine	Tribulus terrestris	20–40	(61)
Quillaja bark	Quillaja saponaria	15–20	(62)
Quinoa	Chenopodium quinoa	0.14–2.3	(54)
Butcher’s broom	Ruscus Aculeatus	0.11–1.8	(63)
Saffron crocus	Crocus savitus	1.2–3.4	(64)
Soapwort	Saponaria officinalis	4.4–5.8	(65)
Soybean	Glycine max	0.22–0.47	(54)
Sugar beet	Beta vulgaris	5.8	(57)
Tea seed	Camellia oleifera	13	(57)
Yam	Dioscorea composite	4–6	(7)
Yucca	Yucca schidigera	10	(66)