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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Biopharm Drug Dispos. 2017 Feb 14;38(3):251–259. doi: 10.1002/bdd.2061

Table 1.

Absorption model inputs

Naringin Naringenin Hesperidin DHB Bergamottin Nobiletin Tangeretin
[I]GFJ (μM)
6540 [38] 595 [39] 117 [30] 52.5 [40] 36.6 [40] 28.4* [41] 78.4* [42]
Predicted physicochemical properties
Molar mass (daltons) 580.55 272.257 610.57 372.42 338.397 402.39 370.36
pKa 9.94; 8.10 9.81; 9.12
7.38
9.71; 8.10 - - - -
Diffusion coefficient 0.56 0.86 0.54 0.67 0.68 0.66 0.71
O:W partition −0.26 2.42 −0.33 2.79 5.85 2.77 2.92
O:W distribution −0.34 2.10 −0.40 2.79 5.85 2.77 2.92
Peff (cm/s × 104) 0.12 2.99 0.13 1.08 2.12 2.55 2.75
SW (mg/mL) 4.37 0.31 4.89 0.02 0.00 0.00 0.00
SLgastric fast (mg/mL) 1.27 0.13 1.09 0.05 0.00 0.03 0.04
SLgut fast (mg/mL) 1.46 0.36 1.31 0.03 0.00 0.04 0.03
SLgut fed (mg/mL) 2.26 0.58 1.96 0.07 0.05 0.12 0.13
Simulated fa (%)
27.27 99.65 44.58 98.62 99.83 99.90 99.94

[I]GFJ, maximum reported concentration in grapefruit juice. O:W partition, octanol-water partition coefficient. O:W distribution, octanol-water distribution coefficient. Peff, effective human jejunal permeability coefficient. SW, native water solubility. SLgastric fast, solubility in GastroPlus simulated gastric fluid in the fasted state. SLgut fast, solubility in simulated intestinal fluid in the fasted state. SLgut fed, solubility in simulated intestinal fluid in the fed state. DHB, 6′,7′-dihydroxybergamottin. fa, fraction of the dose absorbed into enterocytes.

*

Concentration in flavedo (peel).