Table 1. Characteristics of black currant juice

Trait		Value
pH		3.17±0.013
Color	L*	16.81±0.036
	a*	0.19±0.015
	b*	0.25±0.006
Antioxidant activity (mmol TE/g)	ABTS	112.64±0.934
	FRAP	126.46±1.346
	DPPH	104.85±3.741
	ORAC	231.57±6.563
Total phenol contents (mg GAE/g)		8.58±0.011
BAs (μg/g)	PUT	4.83±0.291
	CAD	14.41±0.452
	HIM	ND
	TYM	0.50±0.039
	SPD	1.19±0.058
	Total	20.93±0.676

Values were expressed as means±SD.
ABTS, 2,2-azinobis (3-ethyl-benzothiazoline-6-sulfonic acid) radical-scavenging activity; FRAP, ferric reducing antioxidant power; DPPH, 1,1-diphenyl-2-pricrylhydrazyl radical scavenging activity; ORAC, oxygen radical absorption capacity; BA, biogenic amine; PUT, putrescine; CAD, cadaverine; HIM, histamine; ND, not detected; TYM, tyramine; SPD, spermidine.