Journal
MEAT SCIENCE
Volume 176, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2021.108474
Keywords
Homopolymer; Shelf life; Veal; Natural extract; Meat quality
Categories
Funding
- GAIN (Axencia Galega de Innovacion) [IN607A2019/01]
- CYTED [119RT0568]
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The study found that the combination of e-polylysine coating and stinging nettle extract had certain effects on the quality properties and shelf life of beef meat, with 1% e-PL coating with 9% SNE showing significant improvements in TBARS and TVB-N values, and 1% e-PL coating with 6% SNE performing the best in sensory evaluation.
Combination effects of e-polylysine coating (0.5 and 1%) and stinging nettle extract (3, 6 and 9%) on quality properties and shelf life of beef meat (2 ? 2 ? 2 cm) was evaluated at 4 ?C for 12 days. The results indicated that e-polylysine (e-PL) coating with stinging nettle extract (SNE) had no significant effects on ash, fat, protein and moisture content among packaged beef samples in polyethylene bags (in atmosphere condition). At the end of storage, beef samples coated with 1% e-PL and 9% SNE had significantly lower TBARS and TVB-N values compared to those found in control. Furthermore, 1% e-PL coating with SNE 9% showed the highest inhibitory effects against molds and yeast, total viable counts (TVC) and coliforms during storage. However, sensory evaluation showed that samples coated with 1% e-PL and 6% SNE had the highest scores for overall acceptability compared to the other groups. Based on the obtained results, e-PL coating with SNE could be effectively used for extending the beef meat shelf life without negative effects on sensory attributes.
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