Calculated Mean Content Values
Units |
Average |
Min |
Max |
Standard Deviation |
mg/100 g FW |
0.99 |
0.00 |
4.50 |
2.03 |
mol/100 g |
3.46e-06 |
0.00 |
1.57e-05 |
7.11e-06 |
Values calculated by aggregating data from 5
different samples
from
5 unique
publications.
Aglycone Mean Content Values
Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
Kaempferol |
mg/100 g FW |
0.99 |
0.00 |
4.50 |
2.03 |
mol/100 g |
3.46e-06 |
0.00 |
1.57e-05 |
7.11e-06 |
Original Content Values Used to Produce Means
Justesen, U.;Knuthsen, P.;Leth, T. (1998) Quantitative analysis of flavonols, flavones, and flavanones in fruits, vegetables and beverages by high-performance liquid chromatography with photo-diode array and mass spectrometric detection. Journal of Chromatography A 799:101-10 PubMed (9550103)
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
0.00 mg/100 g FW
|
Onion - Red |
yes |
3 |
Mattila, P.;Astola, J.;Kumpulainen, J. (2000) Determination of flavonoids in plant material by HPLC with diode-array and electro-array detections. Journal of Agricultural and Food Chemistry 48:5834-41. PubMed (11312761)
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
0.00 mg/100 g FW
|
Red onion - Supermarkets |
yes |
1 |
Crozier, A., Lean, M.E.J., McDonald, M.S., Black, C. (1997) Quantitative analysis of the flavonoids content of commercial tomatoes, onions, lettuce and celery. Journal of Agricultural and Food Chemistry 45:590-595
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
0.00 mg/100 g FW
|
Red onion - Commercial - 3 Aug 1994 |
no |
1 |
Bahorun T., Luximon-Ramma A., Crozier A., Aruoma O.I. (2004) Total phenol, flavonoid, proanthocyanidin and vitamin C levels and antioxidant activities of Mauritian vegetables. Journal of the Science of Food and Agriculture 84:1553-1561
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
4.50 mg/100 g FW
|
Vegetables - Red onion - Allium cepa L. - Local Red - Skinned |
no |
1 |
Lugasi A., Hovari J. (2000) Flavonoid aglycons in foods of plant origin I. Vegetables. Acta Alimentaria 29:345-352
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
2.43 mg/100 g FW
|
Red onion - Local market - Edible parts |
yes |
1 |