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. 2021 Sep 23;6(39):25397–25411. doi: 10.1021/acsomega.1c03355

Table 1. Qualitative Phytochemical Screening for the Aqueous Extract of RC Seedsa.

no test name phytochemical compound result
1 Ferric chloride test tannins +++
2 Dragendorff’s test alkaloids +++
3 Foam test saponins ++
5 Alkaline reagent test flavonoids +++
6 Molisch’s test carbohydrates ++
7 Potassium ferricyanide test phenols +++
8 Copper sulfate test fats and fixed oils +++
9 Hydroxyanthraquinone test anthraquinone glycosides +
a

(+++) = high amount [appears immediately after addition of reagent]; (++) = moderate amount [appears after 5 min of reagent addition]; (+) = low amount [appears after 10 min of reagent addition]; and (−) = absence of active compound [not detected after 20 min].