Turmeric (Curcuma longa L.) extract on oxidative stability, physicochemical and sensory properties of fresh lamb sausage with fat replacement by tiger nut (Cyperus esculentus L.) oil

[Display omitted] •Antioxidant activity of fresh lamb sausages was improved by turmeric extract.•Yellowness of fresh lamb sausages was increased.•The formation of oxidation volatile compounds was reduced with turmeric extract.•The aroma of lamb sausages was improved by turmeric extract.•Turmeric ext...

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Bibliographic Details
Published in:Food research international 2020-10, Vol.136, p.109487, Article 109487
Main Authors: de Carvalho, Francisco Allan L., Munekata, Paulo E.S., Lopes de Oliveira, Alessandra, Pateiro, Mirian, Domínguez, Rubén, Trindade, Marco Antonio, Lorenzo, José M.
Format: Article
Language:English
Subjects:
Animals
Antioxidant activity
Color
Curcuma
Curcuma longa L
Cyperus
Fat replacement
Natural antioxidant
Oxidative Stress
Plant Extracts - pharmacology
Sheep
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Summary:[Display omitted] •Antioxidant activity of fresh lamb sausages was improved by turmeric extract.•Yellowness of fresh lamb sausages was increased.•The formation of oxidation volatile compounds was reduced with turmeric extract.•The aroma of lamb sausages was improved by turmeric extract.•Turmeric extract can replace sodium erythorbate (500 ppm) in lamb sausages. This study aimed to evaluate the effect of turmeric extract as natural antioxidant on modified atmosphere-packaged fresh lamb sausages with fat replacement during storage (2 °C). Five treatments were prepared: control without antioxidant (CONT); with 500 mg/kg sodium erythorbate (E500); and three batches with 250, 500 or 750 mg/kg turmeric extract (T250, T500 and T750), respectively. The proximate composition, pH, color, texture, oxidative stability, sensorial analysis, free fatty acids and volatile compounds of sausages were analyzed. Turmeric extract improved the antioxidant capacity of lamb sausages and also slowed lipid oxidation and the generation of related volatile compounds. Moreover, physic-chemical parameters of lamb sausages were not greatly influenced by turmeric addition and concentration, except for yellow color. All samples were considered acceptable by consumers. These findings showed that turmeric extract is effective against lipid oxidation and could be a good strategy to enhance the shelf life of lamb sausage.
ISSN:0963-9969
1873-7145
DOI:10.1016/j.foodres.2020.109487