Table 1.

Ingredients (g) of samples of frozen chicken nuggets.

Ingredients (g)	Chicken nuggets
	Enriched with inorganic forms of Zn and Se				Enriched with organic forms of Zn and Se
	C	CRH+P	CRL+GS	CHYT+P+H	SZ	SZRH+P	SZRL+GS	SZHYT+P+H
Chicken meat (g)	675	672.5	672.5	672.25	675	672.5	672.5	672.25
Plant extract (ppm)
RH		1000				1000
P		1500		1500		1500		1500
RL			1000				1000
GS			1500				1500
HYT				750				750
H				500				500
Water (ml)	150	150	150	150	150	150	150	150
Ice (g)	100	100	100	100	100	100	100	100
Commercial mix® (g/kg)	75	75	75	75	75	75	75	75
Total	1000	1000	1000	1000	1000	1000	1000	1000

Abbreviations: C, control; C_RH+P, 1000 ppm rosemary extract + 1500 ppm pomegranate extract; C_RL+GS, 1000 ppm Nutrox OS + 1500 ppm grape seed extract; C_HYT+P+H, 1500 ppm pomegranate extract + 750 ppm hydroxytyrosol + 500 ppm Harpagophytum; GS, grape seed; H, Harpagophytum; HYT, hydroxytyrosol; P, pomegranate; R_H, rosemary extract; R_L, rosemary extract (Nutrox OS); SZ, control fortified with Zn and Se meat; SZ_RH+P, 1000 ppm rosemary extract + 1500 ppm pomegranate extract; SZ_RL+GS, 1000 ppm Nutrox OS + 1500 ppm grape seed extract; SZ_HYT+P+H, 1500 ppm pomegranate extract + 750 ppm hydroxytyrosol + 500 ppm Harpagophytum.

Commercial mix: mix of spices for the preparation of chicken nuggets, without preservatives or synthetic colors, supplied by Pimursa S.L. (Murcia, Spain).