sodium nitrate is additive e-251. used as a preservative in processed meats such as salami, ham or bacon whiltshire which thus easier retains the original red color of the meat.

How would the previous sentence be correctly capitalized?
Sodium Nitrate is additive E-251. Used as a preservative in processed meats such as salami, ham or bacon Whiltshire which thus easier retains the original red color of the meat.