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Normalized principal component analysis (PCA) representation in dimension 1–2 of the salmon dill gravlax sensory descriptors in the presence of the six protective cultures. The PCA is based on mean scores of each descriptor. A: C. maltaromaticum SF1944, B: L. piscium EU2229, C: L. gelidum EU2249, D: V. fluvialis CD264, E: C. inhibens MIP2551, F: A. viridans SF1044 and T: control, numbers following letters refer to the sampling time.
