Table 6.

Bioactive compounds identified in R. beninensis roots.

Peaks	Compound	Relative Abundance (%)	Molecular Formula	Retention Time (Mins.)	Molecular Weight (g/mol)	Structure	Biological activity
1	Bicyclo[3.1.0]hexane- 6-methanol, 2-hydroxy-1,4,4-trimethyl-	11.02	C10H18O2	9.446	170.13		Anti-Candida, Anti-inflammatory41,42
2	4-Terpinenyl acetate	13.26	C12H20O2	11.105	196.15		Antioxidant Antimicrobial43
3	Quercetagetin	4.92	C15H10O8	11.231	318.04		Antioxidant Antilipemic Antidiabetic44
4	Methanone, (3-benzoyl-2,6-dihydroxyphenyl)phenyl-	2.31	C20H14O4	11.345	318.09		–
5	Bis(trimethylsilyl) 4-methoxyphenylphosphonate	2.39	C13H25O4PSi2	11.471	332.10		–
6	L-Tyrosine, N-(trifluoroacetyl)-, trimethylsilyl ester, trifluoroacetate (ester)	2.93	C16H17F6NO5Si	11.563	445.08		–
7	Benzoic acid, 3,4,5-trihydroxy-	4.32	C7H6O5	12.003	170.02		Antimicrobial45 Analgesic46 Anti-HIV47
8	Apigenin	11.94	C15H10O5	14.086	270.05		Antipyretic Antiviral Antioxidant48,49 Antimicrobial50
9	4′-Methoxy-5,7-dihydroxy isoflavone	2.54	C16H12O5	14.618	284.07		Estrogenic Anti-inflammatory Anti-proliferative Antioxidant 51
10	Genkwanin	13.73	C16H12O5	15.145	284.07		Anti-inflammatory52 Antimicrobial53 Anti-plasmodial54 Anti-radical55
11	9,10-Anthracenedione, 1,8-dihydroxy-4-methoxy- 2-methyl-	5.73	C16H12O5	15.562	284.07		–
12	4H-1-Benzopyran-4-one, 7-hydroxy-3-(4-methoxyphenyl)-	16.27	C16H12O4	16.095	268.07		Anticancer56,57
13	Thioflavin t	8.66	C17H19ClN2S	16.152	318.10		Antioxidant Anti-Inflammatory Anti-Obesity58