Chemical and Antioxidant Charaterization of Native Corn Germplasm from Two Regions of Costa Rica: A Conservation Approach

Table 1

Total polyphenol content present in accessions of native corn from the Brunca and Chorotega regions, using the Folin–Ciocalteu method.

Germplasm ID	Color	mg GAE /100 g d.w.	Germplasm ID	Color	mg GAE/100 g d.w.
BTEC02	White	97 ± 6.0^d–i	CUNA05	Purple	135 ± 15^b–e
BTEC03	White	107 ± 7.0^d–i	CUNA08	White	80 ± 7.0^f–i
BTEC04	White	101 ± 8.0^d–i	CUNA11	Purple	172 ± 19^bc
BTEC05	White	102 ± 1.0^d–h	CUNA12	Purple	88 ± 5.0^e–i
BTEC06	White	112 ± 8.0^d–i	CUNA14	White	98 ± 4.0^d–i
BTEC07	Yellow	118 ± 8.0^def	CUNA15	Purple	92 ± 11^e–i
BTEC08	White	180 ± 9.0^b	CUNA17	White	63 ± 3.0^ghi
BTEC09	Yellow	132 ± 22^b–f	CUNA19	Yellow	61 ± 6.0^hi
BTEC10	Yellow	129 ± 8.0^b–f	CUNA20	Purple	274 ± 11^a
BTEC11	White	111 ± 9.0^d–i	CUNA24	Purple	134 ± 0.1^b–e
BTEC12	Yellow	118 ± 5.0^def	CUNA25	White	80 ± 5.0^f–i
BTEC13	White	80 ± 1.0^b–e	CUNA29	Yellow	124 ± 0.1^c–f
BTEC14	Yellow	132 ± 7.0^b–f	CUNA31	Yellow	112 ± 5.0^d–i
BTEC15	Yellow	117 ± 6.0^def	CUNA32	Yellow	112 ± 2.0^d–i
CUCR03	Purple	110 ± 1.0^d–i	CUNA35	Purple	146 ± 14^bcd
CUCR05	Purple	105 ± 6.0^d–i	CUNA38	White	115 ± 3.0^d–g
CUNA01	Purple	245 ± 12^a	CUNA39	White	135 ± 6.0^b–e
CUNA04	Yellow	59 ± 1.0^i	CUNA44	Yellow	149 ± 2.0^bcd

Data are expressed as mean ± SD. BTEC comes from the Brunca region, while the rest are from the Chorotega region. Different letters indicate significant differences () using the Tukey test in the total set of accessions.