Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 ml |
30.78 |
7.30 |
65.60 |
15.09 |
| mol/100 ml |
5.30e-05 |
1.26e-05 |
1.13e-04 |
2.60e-05 |
Values calculated by aggregating data from 28
different samples
from
8 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| Naringenin |
mg/100 ml |
14.43 |
3.42 |
30.76 |
7.08 |
| mol/100 ml |
2.49e-05 |
5.90e-06 |
5.30e-05 |
1.22e-05 |
Original Content Values Used to Produce Means
Rouseff, R.L., Martin, S.F., Youtsey, C.O. (1987) Quantitative analysis of narirutin, naringin, hesperidin, and neohesperidin in Citrus. Journal of Agricultural and Food Chemistry 35:1027-1030
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
41.90 mg/100 ml
|
Canned Grapefruit |
no |
1 |
|
19.70 mg/100 ml
|
Duncan Grapefruit |
no |
1 |
|
13.30 mg/100 ml
|
Foster Grapefruit |
no |
1 |
|
15.20 mg/100 ml
|
Marsh Grapefruit |
no |
1 |
|
12.40 mg/100 ml
|
Ruby Red Grapefruit |
no |
1 |
|
7.30 mg/100 ml
|
Starr Ruby Grapefruit |
no |
1 |
Mouly P., Gaydou E.M., Estienne J. (1993) Column liquid chromatographic determination of flavanone glycosides in Citrus : Application to grapefruit and sour orange juice adulterations. Journal of Chromatography A 634:129-134 PubMed (8486744)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
17.60 mg/100 ml
|
Grapefruit - Florida - Pure Juice |
no |
4 |
|
46.10 mg/100 ml
|
Grapefruit - Israel - Pure Juice |
no |
6 |
Mouly P., Gaydou E.M., Auffray A. (1998) Simultaneous separation of flavanone glycosides and polymethoxylated flavones in citrus juices using liquid chromatography. Journal of Chromatography A 800:171-179 PubMed (9561761)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
42.80 mg/100 ml
|
Grapefruit pure juice - Pink Marsh |
yes |
4 |
Mouly P.P., Arzouyan C.R., Gaydou E.M., Estienne J.M. (1994) Differentiation of citrus juices by factorial discriminant analysis using liquid chromatography of flavanone glycosides. Journal of Agricultural and Food Chemistry 42:70-79
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
33.13 mg/100 ml
|
Grapefruit juice - White |
no |
11 |
|
15.91 mg/100 ml
|
Grapefruit juice - Pink |
no |
14 |
|
27.54 mg/100 ml
|
Grapefruit juice - Red |
no |
9 |
|
25.16 mg/100 ml
|
Grapefruit juice - Green |
no |
8 |
Belajova E., Suhaj M. (2004) Determination of phenolic constituents in citrus juices: Method of high performance liquid chromatography. Food Chemistry 86:339-343
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
21.10 mg/100 ml
|
Fresh-pressed grapefruit |
no |
1 |
|
11.60 mg/100 ml
|
100% grapefruit |
yes |
1 |
Ho P.C., Saville D.J., Coville P.F., Wanwimolruk S. (2000) Content of CYP3A4 inhibitors, naringin, naringenin and bergapten in grapefruit and grapefruit juice products. Pharmaceutica Acta Helvetiae 74:379-385 PubMed (10812937)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
43.70 mg/100 ml
|
New Zealand Lot 1 |
no |
3 |
|
52.80 mg/100 ml
|
New Zealand Lot 2 |
no |
3 |
|
40.10 mg/100 ml
|
New Zealand Lot 4 |
no |
3 |
|
65.60 mg/100 ml
|
New Zealand Lot 5 |
no |
3 |
|
35.00 mg/100 ml
|
New Zealand Lot 6 |
no |
3 |
|
22.50 mg/100 ml
|
Rio Red Lot 1 |
no |
3 |
|
14.10 mg/100 ml
|
Rio Red Lot 2 |
no |
3 |
|
37.10 mg/100 ml
|
Dole 1 |
no |
3 |
|
45.40 mg/100 ml
|
Sunkist Lot 1 |
no |
3 |
|
41.60 mg/100 ml
|
Sunkist Lot 2 |
no |
3 |
|
25.70 mg/100 ml
|
Sunkist Lot 3 |
no |
2 |
Ross S.A., Ziska D.S., Zhao K., ElSohly M.A. (2000) Variance of common flavonoids by brand of grapefruit juice. Fitoterapia 71:154-161 PubMed (10727812)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
51.20 mg/100 ml
|
Commercial grapefruit juice 9 - Pure juice |
yes |
1 |
Aturki Z., Brandi V., Sinibaldi M. (2004) Separation of flavanone-7-O-glycoside diastereomers and analysis in citrus juices by multidimensional liquid chromatography coupled with mass spectrometry. Journal of Agricultural and Food Chemistry 52:5303-5308 PubMed (15315361)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
23.00 mg/100 ml
|
Red grapefruit juice - Hand squeezed |
no |
1 |