Table 1.
Polyphenol composition of raspberry extract.
| Compound | mg/100 g |
|---|---|
| Ellagitannins (ET) n = 3 | |
| Lambertianin C | 18,314.0 ± 1172.6 |
| Lambertianin C minus ellagic acid moiety 1 a | 764.1 ± 28.8 |
| Lambertianin C minus ellagic acid moiety 2 a | 196.4 ± 10.9 |
| Lambertianin C minus ellagic acid moiety 3 a | 426.6 ± 6.7 |
| Sanguiin H-6 | 16,975.8 ± 350.4 |
| Sanguiin H-6 minus gallic acid moiety b | 221.6 ± 9.7 |
| Sanguiin H-6 plus gallic acid moiety b | 356.3 ± 22.4 |
| Sanguiin H-10 isomer 1 b | 466.4 ± 14.0 |
| Sanguiin H-10 isomer 2 b | 533.0 ± 20.7 |
| Sanguiin H-10 isomer 3 b | 301.2 ± 10.7 |
| Ellagic acid pentose conjugate c | 171.7 ± 11.4 |
| Ellagic acid | 196.7 ± 18.1 |
| Total ET | 38,088.9 ± 1503.6 |
| Total EAC | 368.3 ± 29.4 |
| Total ET + EAC | 38,923.6 ± 1547.0 |
| Flavanols (FLAVA) n = 3 | |
| Total FLAVA | 8371.7 ± 486.5 |
| (+)-Catechin | 208.0 ± 5.4 |
| (−)-Epicatechin | 343.5 ± 5.5 |
| Proanthocyanidins | 7820.2 ± 475.7 |
| Extension units (%) | |
| (+)-Catechin | 28.5 ± 0.1 |
| (−)-Epicatechin | 3.0 ± 0.0 |
| Terminal units (%) | |
| (+)-Catechin | 13.5 ± 0.0 |
| (−)-Epicatechin | 55.0 ± 0.1 |
| mDP (°) | 1.5 ± 0.0 |
| Anthocyanins (ACY) n = 3 | |
| Cyanidin-3-O-spohoroside d | 314.6 ± 11.5 |
| Cyanidin-3-O-glucosyl-rutinoside d | 27.0 ± 0.7 |
| Cyanidin-3-O-glucoside | 152.0 ± 0.9 |
| Cyanidin-3-O-rutinoside d | 11.5 ± 0.1 |
| Pelargonidin-3-O-glucoside d | 4.5 ± 0.3 |
| Total ACY | 509.6 ± 10.9 |
| Total polyphenols (TPH) | 47,804.8 ± 1060.5 |
Values are expressed as the mean ± standard deviation (mg/100 g); n, number of measurements; mDP, mean degree of polymerisation; total EAC (total content of ellagic acid), the total content of ellagic acid and its conjugates. a The content of these substances was calculated based on the lambertianin C standard. b The content of these substances was calculated based on the sanguiin H-6 standard. c The contents of these substances were calculated based on ellagic acid standards. d The content of anthocyanins was calculated based on the cyanidin-3-O-glucoside standard.mDP: mean degree of polymerisation.