Table 3. Total polyphenol and flavonoid contents of spray-dried powders prepared with Pueraria thunbergiana extracts

(mg/mL, dry basis)

Samples¹⁾ Polyphenols(mgGAE²⁾/g) Flavonoids(mgRHE³⁾/g)

FD 11.28±0.39^e⁴⁾ 6.91±0.26^c

SD 17.41±0.13^a 10.51±0.22^b

CD 13.81±0.26^d 11.19±0.22^a

DE10 13.52±0.12^d 10.17±0.51^b

DE20 14.99±0.10^c 10.33±0.02^b

GA 15.73±0.17^b 11.25±0.29^a

¹⁾FD; freeze-dried powder from Pueraria thunbergiana extracts, SD; spray-dried powder from Pueraria thunbergiana extracts, CD; spray-dried powder added 20% β-cyclodextrin, DE=10; spray-dried powder added 20% dextrin(DE=10), DE=20; spray-dried powder added 20% dextrin(DE=20), GA; spray-dried powder added 20% gum arabic
²^-³⁾Abbreviations: GAE, gallic acid equivalents; RHE, rutin hydrate equivalents.
⁴⁾Values are mean±SD of triplicate determinations. Different superscripts within a column indicate significant differences (p<0.05).

Samples¹⁾	Polyphenols(mgGAE²⁾/g)	Flavonoids(mgRHE³⁾/g)
FD	11.28±0.39^e⁴⁾	6.91±0.26^c
SD	17.41±0.13^a	10.51±0.22^b
CD	13.81±0.26^d	11.19±0.22^a
DE10	13.52±0.12^d	10.17±0.51^b
DE20	14.99±0.10^c	10.33±0.02^b
GA	15.73±0.17^b	11.25±0.29^a