Table 1.
Identification of the raspberry samples used in this study and their respective raspberry ketone concentration.
| No. | Source/Brand | Purchase/Harvest location | Purchase/harvest time | Content (μg/kg FW) |
|---|---|---|---|---|
| 1 | Driscoll’s, mature and red, USDA certified organic | Shoprite, Piscataway, NJ | October, 2017 | 293.5 ± 40.9 |
| 2 | Driscoll’s, mature and red | Target, Piscataway, NJ | October, 2017 | 82.0 ± 2.6 |
| 3 | Driscoll’s, mature and red, USDA certified organic | Target, Piscataway, NJ | October, 2017 | 93.9 ± 3.1 |
| 4 | Driscoll’s, mature and red | Stop & Shop, Piscataway, NJ | October, 2017 | 74.1 ± 14.5 |
| 5 | Driscoll’s, mature and red, USDA certified organic | Stop & Shop, Piscataway, NJ | October, 2017 | 296.0 ± 19.7 |
| 6 | Driscoll’s, mature and red, USDA certified organic, (trademark 1) | Trader Joe’s, New Brunswick, NJ | October, 2017 | 40.2 ± 1.4 |
| 7 | Driscoll’s, mature and red, USDA certified organic, (trademark 2) | Trader Joe’s, New Brunswick, NJ | October, 2017 | 9.9 ± 2.1 |
| 8 | Farm berries, half mature, pink to red | Hacklebarney Farms Cider Mill, Chester, NJ | August, 2016 | 480.9 ± 24.0 |
| 9 | Farm berries, mature, dark and deep red | Hacklebarney Farms Cider Mill, Chester, NJ | August, 2016 | 712.1 ± 67.0 |
| 10 | Farm berries, half mature, pink to red | Rutgers University Cook Organic garden, New Brunswick, NJ | July, 2016 | 416.4 ± 60.0 |
| 11 | Farm berries, mature, dark and deep red | Rutgers University Cook Organic garden, New Brunswick, NJ | July, 2016 | 622.0 ± 44.4 |
Notes: FW = fresh fruit weight.