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.
Distinction in color attributes L*, −a*, b*, and C* between Longjing tea infusions with different withering degrees. Different letters indicate a significant difference. And significant differences were obtained by one-way ANOVA with LSD post hoc test. p < 0.05 is considered as significant. A, L* (brightness). B, −a* (green). C, b* (yellow). D, C* (color saturation).
