Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Principal component analysis (PCA) score plots of 3 groups of samples in (A) positive [electrospray ionization (ESI+)] (R2X = 0.537) and (B) negative (ESI−) (R2X = 0.555) ion modes. MFM: milk fermented with L. brevis NZ4 + K. marxianus SY11 (1:1); LFM: milk fermented with L. brevis NZ4; KFM: milk fermented with K. marxianus SY11; and QC: quality control; the shadow represents the confidence interval.
