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. 2020 Nov 28;9(12):1763. doi: 10.3390/foods9121763

Table 2.

Mass information and regression equation data of the 14 anthocyanins identified in blueberry extracts.

Anthocyanins Molecular Formula m/z Regression Equation R2 * LOD ** (ppm) LOQ *** (ppm)
Malvidin 3-O-galactoside C23H25O12 493.1346 y = 170,426.24x − 4292.66 0.9999 0.303 1.012
Malvidin 3-O-glucoside C23H25O12 493.1346 y = 170,426.24x − 4292.66 0.9999 0.303 1.012
Petunidin 3-O-galactoside C22H23O12 479.1190 y = 175,412.35x − 4292.66 0.9999 0.294 0.983
Petunidin 3-O-glucoside C22H23O12 479.1190 y = 175,412.35x − 4292.66 0.9999 0.294 0.983
Delphinidin 3-O-galactoside C21H21O12 465.1033 y = 180,699.41x − 4292.66 0.9999 0.286 0.955
Delphinidin 3-O-glucoside C21H21O12 465.1033 y = 180,699.41x − 4292.66 0.9999 0.286 0.955
Peonidin 3-O-galactoside C22H23O11 463.1240 y = 181,468.74x − 4292.66 0.9999 0.284 0.951
Peonidin 3-O-glucoside C22H23O11 463.1240 y = 181,468.74x − 4292.66 0.9999 0.284 0.951
Malvidin 3-O-arabinoside C23H23O11 463.1240 y = 181,468.74x − 4292.66 0.9999 0.284 0.951
Cyanidin 3-O-galactoside C21H21O11 449.1084 y = 187,132.66x − 4292.66 0.9999 0.276 0.922
Cyanidin 3-O-glucoside C21H21O11 449.1084 y = 187,132.66x − 4292.66 0.9999 0.276 0.922
Petunidin 3-O-arabinoside C21H21O11 449.1084 y = 187,132.66x − 4292.66 0.9999 0.276 0.922
Delphinidin 3-O-arabinoside C20H19O11 435.0927 y = 193,161.98x − 4292.66 0.9999 0.267 0.893
Cyanidin 3-O-arabinoside C20H19O10 419.0978 y = 200,531.32x − 4292.66 0.9999 0.257 0.860

* Coefficient of determination; ** Limit of detection; *** Limit of quantification.