Rhubarb Tannins Extract Inhibits the Expression of Aquaporins 2 and 3 in Magnesium Sulphate-Induced Diarrhoea Model

Table 1

Traditional antidiarrhoeal plants with the composition of tannins.

Scientific name	Part used	Levels of tannins	Diarrhoea models	References
Libidibia ferrea (Mart. ex Tul.) L. P. Queiroz (Caesalpinia ferrea Mart.)	Bark	6.24	—	[49]
Caesalpinia pyramidalis Tul.	Bark	6.01	—	[49]
Croton blanchetianus Baill.	Bark	2.47	Castor oil	[49]
Eugenia uvalha Cambess.	Bark	1.68	—	[49]
Spondias tuberosa Arruda.	Bark	1.51	—	[49]
Cedrela odorata L.	Bark	2.09	—	[49]
Endopleura uchi	Bark	—	—	[50]
Rhododendron arboreum	Flower	—	Castor oil, MgSO4	[51]
Green tea	Leaf	—	—	[52]
Heeria insignisO. Ktze (Anacardiaceae)	Leaf	—	Castor oil	[53]
Trilepisium madagascariense	Bark	—	Castor oil	[54]
Ixora coccineaLinn. (Rubiaceae)	Flower	—	Castor oil	[22]
Capparis zeylanica	Leaf	—	Castor oil	[55]
Rhubarb	Root	13.55	Castor oil, MgSO4	[35]

Note: —: not detected.