TABLE 1.
Summary of the studies that contained the original data of glucosinolate contents of foods in the United States and Canada (1980–2020)1
| Year | Sample location | Foods | Analytical method | Reference |
|---|---|---|---|---|
| 2003 | Urbana, IL, USA | Broccoli | HPLC after desulfation | (41) |
| 1994 | Washington DC, USA | Broccoli (green sprouting broccoli) | HPLC after desulfation | (47) |
| 2002 | IL, USA | Broccoli | HPLC after desulfation | (72) |
| 1981 | Madison, WI, USA | Rutabaga, turnip | GC | (73) |
| 1987 | Madison, WI, USA | Broccoli, Brussels sprouts, cauliflower, collards, kale, mustard greens, kohlrabi | GC | (74) |
| 1985 | Madison, WI, USA | Radish | GC | (75) |
| 1987 | Madison, WI, USA | Turnip | GC | (76) |
| 2000 | Knoxville, TN, USA | Broccoli | HPLC after desulfation | (77) |
| 2005 | Knoxville, TN, USA | Broccoli, Brussels sprouts, red cabbage, cauliflower, kale | HPLC after desulfation | (43) |
| 1980 | OR, NY, WI, USA | Cabbage | GC-MS | (78) |
| 2014 | USA | Brussels sprouts, cabbage | HPLC after desulfation | (79) |
| 1988 | Syracuse, NY, USA | Broccoli, Brussels sprouts, green cabbage | HPLC after desulfation | (53) |
| 1989 | USA | Brussels sprouts, broccoli | HPLC after desulfation | (52) |
| 1995 | Salinas, CA, USA | Broccoli | HPLC after desulfation | (80) |
| 2011 | USA | Broccoli | HPLC after desulfation | (81) |
| 2014 | IL, USA | Broccoli | HPLC after desulfation | (82) |
| 2015 | IL, USA | Horseradish | HPLC after desulfation | (83) |
| 1999 | Champaign, IL, USA | Cabbage, broccoli, kale, Brussels sprouts, cauliflower | HPLC after desulfation | (48) |
| 2004 | Champaign, IL, USA | Horseradish | HPLC after desulfation | (84) |
| 2001 | Champaign, IL, USA | Broccoli | GC-MS | (44) |
| 2005 | Wooster, OH, USA | Green cabbage | HPLC after desulfation | (85) |
| 2014 | ME, OR, USA | Broccoli | HPLC after desulfation | (86) |
| 2005 | CA, USA | Broccoli | GC-MS | (87) |
| 2005 | Becker, MN, USA | Red cabbage, green cabbage | HPLC after desulfation | (42) |
| 1991 | Ontario, Canada | Rutabaga | HPLC after desulfation | (88) |
| 1993 | Ontario, Canada | Broccoli | HPLC after desulfation | (54) |
| 2017 | College Station, TX, USA | Green kohlrabi, green cabbage | HPLC after desulfation | (89) |
| 2015 | MD, USA | Broccoli microgreens | UPLC after desulfation | (90) |
| 2005 | Columbus, OH, USA | Broccoli, broccoli sprouts, Brussels sprouts, cauliflower | HPLC-MS | (91) |
| 1997 | Canada; Harmony, NJ, USA | Winter cress | HPLC-MS | (92) |
1UPLC, ultra performance liquid chromatography.