The Therapeutic Properties of Plants Used Traditionally to Treat Gastrointestinal Disorders on Groote Eylandt, Australia

Table 1

The concentration (mg/mL) and qualitative phytochemical screening evaluations of the plant decoctions.

Decoction concentration (mg/mL)	BO	CE	ET	PC	TC	VV
	7.8	3.4	2.9	4.2	10.2	1.2
Total phenolics	+++	++	+++	+++	+++	++
Water-soluble phenolics	+++	+++	++	+++	+++	+
Water-insoluble phenolics	+++	+++	+	+++	++	++
Cardiac glycosides	—	—	—	—	—	—
Saponins	—	++	++	+	++	—
Triterpenoids	—	—	—	—	++	—
Phytosterols	—	—	—	—	-	—
Alkaloids (Mayer test)	—	—	—	—	+	—
Alkaloids (Wagner test)	—	—	—	—	-	—
Flavonoids	++	+	+	+	++	+
Tannins	+++	++	++	+++	+++	—
Anthraquinones	—	—	—	—	—	—

+++ indicates a large response; ++ indicates a moderate response; + indicates a minor response; — indicates no response in the assay; BO = B. obovata extract; CE = C. equisetifolia extract; ET = E. tetrodonta extract; PC = P. careya extract; TC = T. carpentariae extract; VV = V. vexillata extract.