Table 1.
Groups of phenolic compounds identified by LC/MS in the analyzed puree, juices and smoothies
| Compounds | R t (min) | λmax (nm) | MS [M-H]− (m/z) | MS/MS [M-H]− (m/z)b | SCP | AJ | SCP [%] ÷ AJ [%] | PJ | SCP [%] ÷ PJ [%] | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80÷20 | 50÷50 | 20÷80 | 80÷20 | 50÷50 | 20÷80 | ||||||||
| Anthocyanins | |||||||||||||
| Cyjanidyno-3-O-sophoroside | 3.428 | 515 | 611.162+a | 287.055 | x | nd | x | x | x | nd | x | x | x |
| Cyjanidyno-3-O-glucosylo-rutinoside | 3.583 | 517 | 757.219+ | 611.162/287.055 | x | nd | x | x | x | nd | x | x | x |
| Cyjanidyno-3-O-glucoside | 3.774 | 516 | 449.109+ | 287.055 | x | nd | x | x | nd | nd | x | x | nd |
| Cyjanidyno-3-O-rutinoside | 3.929 | 517 | 595.166+ | 287.055 | x | nd | x | x | x | nd | x | x | x |
| Peonidyno-3-O-rutinoside | 4.513 | 517 | 609.183+ | 463.785/301.884 | x | nd | x | x | nd | nd | x | x | nd |
| Hydroxycinnamic acids | |||||||||||||
| Neochlorogenic acid | 3.081 | 323 | 353.094 | 191.057 | x | nd | x | x | x | x | x | x | x |
| 3-p-coumarylquinc acid | 3.619 | 310 | 337.091 | 191.057/183.087 | x | x | x | x | x | nd | x | x | x |
| Chlorogenic acid | 4.135 | 324 | 353.094 | 191.057 | x | x | x | x | x | x | x | x | x |
| 4-O-caffeoylquinic acid | 5.221 | 320 | 353.086 | 191.057 | x | x | x | x | x | x | x | x | x |
| 3,5-dicaffeoylquinic acid | 7.650 | 320 | 515.140 | 353.069/191.055 | x | nd | nd | nd | nd | nd | x | x | x |
| Flavan-3-ols | |||||||||||||
| (+)-catechin | 3.360 | 278 | 289.073 | x | nd | x | x | x | x | x | x | x | |
| Procyanidin B1 | 3.670 | 278 | 577.133 | 289.073 | nd | nd | nd | nd | nd | x | nd | nd | x |
| (−)-epicatechin | 4.823 | 278 | 289.073 | nd | x | x | x | x | x | nd | x | x | |
| Procyanidin B2 | 6.649 | 278 | 577.133 | 289.073 | nd | x | nd | nd | x | x | nd | nd | x |
| Flavonols | |||||||||||||
| Quercetin-3-O-rutinoside-glucoside | 5.530 | 337 | 771.196 | 301.028 | x | nd | x | x | x | nd | x | x | x |
| Quercetin-3-O-rutinoside | 6.494 | 353 | 609.148 | 577.241/301.029 | x | x | x | x | x | x | x | x | x |
| Quercetin-3-O-galactoside | 6.737 | 350 | 463.091 | 301.036 | x | nd | x | nd | nd | nd | x | x | x |
| Kaempferol-3-O-rutinoside | 7.017 | 352 | 593.151 | 285.039 | x | x | x | x | x | x | x | x | x |
| Isorhamnetin-3-O-rutinoside | 7.148 | 352 | 623.156 | 315.047 | x | nd | x | x | x | nd | x | x | x |
| Isorhamnetin-3-glucoside-7-rhamnoside | 7.303 | 350 | 623.156 | 315.047 | nd | nd | nd | nd | nd | nd | nd | nd | nd |
| Dihydrochalcone | |||||||||||||
| Phloretin-2`xylo-glucoside | 7.701 | 280 | 567.169 | 273.076 | nd | x | nd | x | x | nd | nd | nd | nd |
| Compounds | QJ | SCP [%] ÷ QJ [%] | FQJ | SCP [%] ÷ FQJ [%] | ||||
|---|---|---|---|---|---|---|---|---|
| 80÷20 | 50÷50 | 20÷80 | 80÷20 | 50÷50 | 20÷80 | |||
| Anthocyanins | ||||||||
| Cyjanidyno-3-O-sophoroside | nd | x | x | x | nd | x | x | x |
| Cyjanidyno-3-O-glucosylo-rutinoside | nd | x | x | x | nd | x | x | x |
| Cyjanidyno-3-O-glucoside | nd | x | x | x | nd | x | x | x |
| Cyjanidyno-3-O-rutinoside | nd | x | x | x | nd | x | x | x |
| Peonidyno-3-O-rutinoside | nd | x | x | x | nd | x | x | x |
| Hydroxycinnamic acids | ||||||||
| Neochlorogenic acid | x | x | x | x | nd | x | x | x |
| 3-p-coumarylquinc acid | x | x | x | x | x | x | x | x |
| Chlorogenic acid | x | x | x | x | x | x | x | x |
| 4-O-caffeoylquinic acid | x | x | x | x | x | x | x | x |
| 3,5-dicaffeoylquinic acid | x | x | x | x | x | x | x | x |
| Flavan-3-ols | ||||||||
| (+)-catechin | x | x | x | x | x | x | x | x |
| Procyanidin B1 | x | nd | x | x | x | x | x | x |
| (−)-epicatechin | x | nd | nd | x | x | x | x | x |
| Procyanidin B2 | x | nd | nd | x | x | x | x | x |
| Flavonols | ||||||||
| Quercetin-3-O-rutinoside-glucoside | nd | x | x | nd | nd | x | x | x |
| Quercetin-3-O-rutinoside | nd | x | x | x | nd | x | x | x |
| Quercetin-3-O-galactoside | nd | x | x | x | x | x | x | x |
| Kaempferol-3-O-rutinoside | nd | x | x | x | x | x | x | x |
| Isorhamnetin-3-O-rutinoside | nd | x | x | x | x | x | x | x |
| Isorhamnetin-3-glucoside-7-rhamnoside | nd | nd | nd | nd | x | x | x | x |
| Dihydrochalcone | ||||||||
| Phloretin-2`xylo-glucoside | nd | nd | nd | nd | nd | nd | nd | nd |
SCP sour cherry puree, AJ apple juice, PJ pear juice, QJ quince juice, FQJ flowering quince juice. [M + H] (m/z) for anthocyanins were obtained in the positive ion mode. The m/z values of the predominant ions are given in bold type