Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/7151
Title: The Effects of Sunflower and Maize Crop Residue Extracts as a New Ingredient on the Quality Properties of Pork Liver Pâtés
Authors: Glišić, Milica
Bošković Cabrol, Marija
Čobanović, Nikola
Starčević, Marija
Samardžić, Stevan
Veličković, Ivona 
Maksimović, Zoran
Keywords: agricultural waste;antioxidant activity;lipid oxidation;meat emulsions;microbial quality;sensory properties;sunflower and maize stalks
Issue Date: 3-Mar-2024
Rank: M21
Publisher: National Library of Medicine
Journal: Foods (Basel, Switzerland)
Volume: 13
Issue: 5
Start page: 788
Abstract: 
The present study aimed to evaluate the antioxidant capacity of ethanolic extracts from post-harvest sunflower and maize stalk residues, and their impact on the chemical composition, physicochemical parameters, lipid oxidative stability, microbiological properties, and sensory characteristics of pork liver pâtés over a 90-day storage period. Four formulations were prepared: a control group (CON), a batch with butylated hydroxytoluene as a synthetic antioxidant (BHT), 1% ethanolic extract from sunflower residues (SSRE), and 1% ethanolic extract from maize residues (MSRE). The MSRE had a higher total phenol content and showed better antioxidant activity relative to the SSRE (p < 0.01). The addition of SSRE decreased the lightness and increased the redness in the pork liver pâtés, with these pâtés showing the highest total color difference compared to the control (p < 0.01). The crop extracts increased the n-6 and total PUFA contents in pâtés and improved the PUFA/SFA ratio (p < 0.01). Formulations containing crop residue extracts showed higher TBARs and POV values than the control and BHT group (p < 0.01), indicating a pro-oxidant effect and accelerated lipid oxidation in pâtés during storage. As far as microbiological quality, the presence of crop residue extracts decreased the total viable count, lactic acid bacteria, and psychotropic aerobic bacteria (p < 0.01). The incorporation of crop extracts in the pork pâtés impaired their sensory quality, particularly color, odor, aroma, and flavor, and decreased their overall acceptability. These results indicated that, while the crop residue extracts were not as effective as synthetic antioxidants in preserving the lipid stability of pâtés, they demonstrated potential for enhancing the microbial quality of this type of meat product.
URI: https://biore.bio.bg.ac.rs/handle/123456789/7151
ISSN: 2304-8158
DOI: 10.3390/foods13050788
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