A silver halide color photographic light-sensitive material, having, on a support, at least one silver halide emulsion layer containing a cyan dye forming coupler, at least one silver halide emulsion layer containing a magenta dye forming coupler, and at least one silver halide emulsion layer containing a yellow dye forming coupler, wherein at least one layer of said at least one silver halide emulsion layer containing a cyan dye forming coupler contains high-silver chloride emulsion grains, which are selenium-sensitized and have a silver chloride content of 90 mol % or more, and contains at least one coupler of formula (I): wherein R' and R'' each independently are a substituent; and Z is a hydrogen atom, or a group capable of being split-off upon coupling reaction with an oxidized aromatic primary amine color-developing agent.

 
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> Method for producing vitamin K2 from culture of Bacillus natto

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