Research Article

Effects of Bioactive Packaging Films Incorporated with Bifidocin A on Microbial Reduction and Quality Parameters of Chill-Stored Spanish Mackerel (Scomberomorus niphonius) Fillets

Table 3

Changes in sensory scores of chilled mackerel fillets packed with the films incorporated without/with 2 × MIC and 4 × MIC bifidocin A.

ParametersTreatments0 days3 days6 days9 days12 days15 days

AppearanceControl8.9 ± 0.0A,e8.2 ± 0.2A,d,e7.6 ± 0.3A,d5.2 ± 0.4A,c3.8 ± 0.1A,b2.6 ± 0.4A,a
2 × MIC8.9 ± 0.0A,e8.4 ± 0.1B,d.e8.1 ± 0.1B,d7.4 ± 0.1B,c5.8 ± 0.1B,b4.1 ± 0.2B,a
4 × MIC8.9 ± 0.0A,d8.4 ± 0.1B,c,d8.2 ± 0.1B,c8.0 ± 0.1C,c6.9 ± 0.1C,b6.0 ± 0.3C,a

OdorControl8.8 ± 0.1A,d8.3 ± 0.1A,d7.3 ± 0.2A,c5.9 ± 0.2A,b3.6 ± 0.4A,a3.3 ± 0.1A,a
2 × MIC8.9 ± 0.0A,d8.5 ± 0.2B,d8.0 ± 0.1B,c,d7.7 ± 0.1B,c5.9 ± 0.1B,b4.5 ± 0.2B,a
4 × MIC9.0 ± 0.0A,d8.5 ± 0.3B,c,d8.1 ± 0.1B,c8.0 ± 0.1C,c7.2 ± 0.1C,b6.2 ± 0.3C,a

TextureControl8.9 ± 0.0A,e8.4 ± 0.1A,e7.8 ± 0.1A,d5.8 ± 0.2A,c3.7 ± 0.3A,b2.4 ± 0.4A,a
2 × MIC8.8 ± 0.1A,e8.4 ± 0.1A,d,e8.1 ± 0.1B,d7.6 ± 0.1B,c6.0 ± 0.1B,b4.0 ± 0.1B,a
4 × MIC8.9 ± 0.0A,d8.7 ± 0.3B,c,d8.3 ± 0.1B,c8.1 ± 0.1C,c7.2 ± 0.1C,b6.3 ± 0.2C,a

Overall qualityControl9.0 ± 0.0A,e8.3 ± 0.1A,d7.6 ± 0.3A,c5.5 ± 0.2A,b3.4 ± 0.2A,a3.2 ± 0.2A,a
2 × MIC8.9 ± 0.0A,e8.5 ± 0.1B,d,e8.1 ± 0.1B,d7.5 ± 0.3B,c5.9 ± 0.2B,b4.4 ± 0.2B,a
4 × MIC8.9 ± 0.0A,d8.6 ± 0.2B,c,d8.2 ± 0.1B,c8.0 ± 0.1C,c7.1 ± 0.1C,b6.1 ± 0.3C,a

Values are expressed as means ± standard deviation. Different superscripts (A, B, and C) in the same column indicate significant difference (). Different superscripts (a, b, c, d, and e) in the same row indicate significant difference ().