Bioaccessibility In Vitro of Nutraceuticals from Bark of Selected Salix Species

Table 1

Comparison of content and extractability factors of phenolic compounds.

	Plant material	Extracts				Extractability factors
		Chemical	Buffer	Digested	Absorbed	MEF	DEF	AEF
TPC	S.  alba	389.84±15.32^dA	114.64±6.11^dB	82.20±2.55^dC	51.88±2.12^dD	0.29	0.21	0.13
	S.  daphnoides	468.97±14.35^bA	162.50±5.98^bB	141.17±4.14^bC	135.61±5.54^bC	0.35	0.30	0.29
	S.  purpurea	414.93±17.25^cA	134.90±5.12^cB	113.29±3.29^cC	108.92±4.38^cD	0.33	0.27	0.26
	S.  d x p	740.12±20.21^aA	249.92±7.21^aB	190.49±9.22^aC	180.74±5.42^aD	0.34	0.26	0.24
TFC	S.  alba	21.93±0.99^dA	10.51±0.55^dB	15.48±0.77^dC	7.51±0.33^dD	0.48	0.71	0.34
	S.  daphnoides	275.95±9.58^aA	61.73±2.69^aB	69.72±1.23^aB	31.53±1.25^aC	0.22	0.25	0.11
	S.  purpurea	86.05±3.21^cA	27.47±1.41^cB	32.79±1.13^cC	17.04±0.81^cD	0.32	0.38	0.20
	S.  d x p	177.90±7.89^bA	52.29±2.54^bB	58.99±2.25^bB	26.22±0.84^bC	0.29	0.33	0.15
TPA	S.  alba	167.99±6.88^dA	210.07±9.25^bB	137.73±6.55^dC	145.19±3.45^cD	1.25	0.82	0.86
	S.  daphnoides	252.81±10.11^bA	269.44±9.13^aA	357.61±10.11^bB	297.74±9.18^bC	1.07	1.41	1.18
	S.  purpurea	202.24±8.45^cA	117.76±7.77^cB	210.22±9.23^cC	175.20±7.13^dD	0.58	1.04	0.87
	S.  d x p	322.94±9.48^aA	210.40±11.45^bB	454.87±12.25^aC	433.54±14.52^aD	0.65	1.41	1.34

The values designated by the different small letters in the columns of the table (within individual extract and fraction) are significantly different (𝛼=0.05).
The values designated by the different small letters in the lines of the table are significantly different (𝛼=0.05).