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KMID : 0613820180280020229
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Journal of Life Science
2018 Volume.28 No. 2 p.229 ~ p.239
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Effect of a Mixture with Silkworm Cocoon Powder, Cordyceps Powder, and Conjugated Linoleic Acid (CLA) on the Physicochemical Properties of Imitation Crab Containing Recovered Protein from Spent Laying Hens
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Lim Dong-Gyun
Jin Sang-Keun
Hur Sun-Jin
Shin Taek-Soon
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Abstract
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As customers pay more attention to choosing food that will support their health, many people in the academic and industrial world have focused on developing foods made with bioactive components. Thus, the use of bioactive components rather than synthetic materials has increased. Because there are no limits to how bioactive components can be used, customers assume they are highly reliable and healthy to consume. In the present study, imitation crab stick samples were made from Alaska Pollack with breast recovered protein from spent laying hens and silkworm cocoon powder (10 g) (T1), Alaska Pollack with breast recovered protein from spent laying hens and silkworm cocoon powder (5 g) + cordyceps powder (5 g) (T2), and Alaska Pollack with breast recovered protein from spent laying hens and cordyceps powder (5 g) + conjugated linoleic acid (CLA) (5 g) (T3). The pH and shear force increased after 2 weeks of storage in all three samples. Shear force was significantly higher in the T3 sample in comparison to the T1 and T2 samples. In meat color, redness (a*) and whiteness (W) increased as the storage periods increased in all three samples, whereas yellowness (b*) decreased during storage. The T2 sample was significantly higher in redness (a*), yellowness (b*), and deformation than the other two samples. The addition of bioactive components did not influence the texture properties in any of the samples. Lipid oxidation (thiobarbituric acid reactive substances [TBARS]) and microorganism count (total plate count [TPC]) were significantly higher in the T1 sample than the two other samples, whereas protein degradation (volatile basic nitrogen [VBN]) was higher in the T2 sample than the other samples. Total amino acid content decreased in the T1 and T3 samples as the storage period increased. Consequently, the T3 sample of Alaska Pollack with breast recovered protein from spent laying hens and cordyceps powder (5 g) + conjugated linoleic acid (CLA) was found to have the necessary functionality to be considered for use in making imitation crab sticks.
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KEYWORD
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Bioactive components mixture, imitation crab, meat quality, sensory evaluation, spent laying hens meat
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