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

Table 3

Concentration of total anthocyanins in accessions of native corn from the Brunca and Chorotega regions, obtained using the differential pH method.

Germplasm	Color	mg E C3G/g d.w.
CUNA01	Purple	3.962 ± 0.068^a
CUNA31	Yellow	3.072 ± 0.264^b
CUNA20	Purple	2.803 ± 0.158^bc
CUNA11	Purple	2.738 ± 0.254^bcd
CUNA32	Yellow	2.670 ± 0.386^bcd
CUNA44	Yellow	2.608 ± 0.118^bcd
CUCR03	Purple	2.597 ± 0.063^bcd
CUNA35	Purple	2.597 ± 0.181^bcd
CUNA29	Yellow	2.382 ± 0.239^cde
CUNA24	Purple	2.253 ± 0.097^de
CUNA05	Purple	2.016 ± 0.229^e
CUCR05	Purple	1.474 ± 0.062^f
CUNA12	Purple	1.161 ± 0.081^f
CUNA15	Purple	1.126 ± ± 0.211^f
BTEC08	White	0.560 ± 0.449^g
CUNA19	Yellow	0.555 ± 0.081^g
CUNA04	Yellow	0.492 ± 0.208^g
BTEC15	Yellow	0.435 ± 0.434^g

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