期刊
FOODS
卷 11, 期 20, 页码 -出版社
MDPI
DOI: 10.3390/foods11203156
关键词
goji berries; Moringa oleifera leaves; functional eggs; cholesterol content; carotenoids; laying hen
This study evaluated the effects of hen diet supplementation with dried Moringa leaves and goji berries on the functional properties of eggs. The results showed that the supplementation positively influenced the carotenoid content and antioxidant activity of the eggs. The recommended diet for producing functional eggs is the one containing 5% dried Moringa leaves and 10% goji berries.
The biofortification of basal laying hen feed with natural matrices can improve the beneficial potential of eggs produced without relying on artificial fortification. The present study aimed to evaluate the effects of hen diet supplementation with dried Moringa leaves (DML) and goji berries (DGB) on egg functional properties in terms of cholesterol and carotenoid content. Forty Lohman Brown Classic laying hens were randomly divided into four groups. The control group (G1) received the basal poultry diet, group G2 received a diet with 5% DML + 10% DGB, group G3 received a diet with 3% DML + 7% DGB, and group G4 received a diet with 15% DML. HPLC-DAD analysis showed that feed supplementation positively influenced the egg carotenoid content, with a valuable increase in xanthophylls concentration, especially lutein (+333.24% in G4, +258.15% in G2, +189.24% in G3, compared to G1). The same trend was also followed by the beta-carotene concentration (+181.38% in G3 and +116.01% in G4, compared to G1). Furthermore, the eggs obtained from G3 showed the lowest cholesterol content (-47.08%). Additionally, the performed antioxidant assays showed maximum activity in G2 (+39.11 compared to G1 for the DPPH test) and in G4 (+31.11 compared to G1 for the ABTS test). In conclusion, the G2 experimental diet could be potentially used in poultry industries to produce functional eggs.
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