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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 |
Appears in Collections: | Journal Article |
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