Table 5.
Phenolic Compounds in Cranberry
peak |
tR min) |
[M + H]+/ [M - H]− (m/z) |
[A + H]+/[A - H]− and other PI ions (m/z) |
UV/vis Abs λmax (nm) |
identification |
---|---|---|---|---|---|
anthocyanins (group VI) | |||||
C1 | 6.01 | 449/447 | 287/285 | 280, 516 | cyanidin 3-O-galactosidea |
C2 | 7.99 | 419/417 | 287/285 | 280, 516 | cyanidin 3-O-arabinoside |
C3 | 9.26 | 463/461 | 301/299 | 278, 516 | peonidin 3-O-galactosidea |
C4 | 11.54 | 433/431 | 301/299 | 278, 516 | peonidin 3-O-arabinoside |
catechin (group V) | |||||
C5 | 15.79 | 291/289 | 280 | epicatechina | |
glycosylated flavonols (group II) | |||||
C6 | 20.23 | 481/479 | 319/317 | 264, 358 | myricetin 3-O-galctoside |
C7 | 22.18 | 451/449 | 319/317 | 264, 358 | myricetin 3-O-xylopyranoside |
C8 | 22.80 | 451/449 | 319/317 | b | myricetin 3-O-arabinopyranoside |
C9 | 23.23 | 451/449 | 319/317 | 264, 358 | myricetin 3-O-arabinofuranoside |
C10 | 25.04 | 465/449 | 319/317 | 264, 358 | myricetin 3-O-rhamnosidea |
C11 | 26.02 | 465/463 | 303/301 | 256, 266 sh, 352 | quercetin 3-O-galactosidea |
C12 | 27.40 | 465/463 | 303/301 | 256, 266 sh, 352 | quercetin 3-O-glucoside a |
C13 | 28.71 | 435/433 | 303/301 | 256, 266 sh, 352 | quercetin 3-O-xyloside |
C14 | 29.73 | 435/433 | 303/301 | 256, 266 sh, 352 | quercetin 3-O-arabinopyranoside |
C15 | 31.29 | 435/433 | 303/301 | 256, 266 sh, 352 | quercetin 3-O-arabinofuranoside |
C16 | 30.15 | 449/447 | 303/301 | 256, 266 sh, 352 | quercetin 3-O-rhamnosidea |
flavonols (group II) | |||||
C17 | 36.23 | 319/317 | 254, 372 | myricetina | |
C18 | 48.01 | 303/301 | 256, 266 sh, 370 | quercetina |
Identification with standard.
Not determined.