Antioxidative Potential of a Streptomyces sp. MUM292 Isolated from Mangrove Soil

Table 3

Chemical constituents detected in of Streptomyces sp. MUM292 extract.

Number	Constituents	Retention time (min)	Molecular formula	Molecular weight (MW)	Similarity (%)	Biological activities	Ref.
(1)	Pyrazine,methyl	7.51	C5H6N2	94	86	Antioxidant	[37]
(2)	Pyrazine,2,5-dimethyl-	13.489	C6H8N2	108	83	Antioxidant
(3)	2(5H)-Furanone	13.844	C4H4O2	84	80	Antioxidant
(4)	Pyrazine,3-ethyl-2,5-dimethyl-	24.224	C8H12N2	136	90	Antimicrobial	[38]
(5)	2,3-Dimethyl-5-ethylpyrazine	24.63	C8H12N2	136	87	Antioxidant	[39]
(6)	Benzenethanol/2-phenylethanol	26.015	C8H10O	122	94	Antimicrobial, antityrosinase	[40]
(7)	3-Methyl-4-phenyl-1H-pyrrole	46.974	C11H11N	157	93	Antimicrobial
(8)	(3R,8aS)-3-Methyl-1,2,3,4,5,6,7,8,8a-octahydropyrrolo[1,2-a]pyrazine-1,4-dione	51.718	C8H12N2O2	168	91	Antioxidant	[41]
(9)	Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-	53.343	C7H10N2O2	154	94	Antioxidant	[42]
(10)	1,4-Diaza-2,5-dioxo-3-isobutyl bicyclo[4.3.0]nonane	59.465	C11H18N2O2	210	72	Antioxidant	[43]
(11)	9H-pyrido[3,4-b]indole	60.392	C11H8N2	168	93	Antioxidant	[44]
(12)	3-Benzyl-1,4-diaza-2,5-dioxobicyclo[4.3.0]nonane	72.088	C14H16N2O2	244	99	Antioxidant, Antimicrobial	[45, 46]
(13)	Phenol,2,2′-methylenebis[6-(1,1-dimethylethyl)-4-methyl-	73.501	C23H32O2	340	93	Antioxidant	[47]