Try looking at the ingredient list on the pickling spice jar in the grocery store.  Ours has no msg or preservatives of any kind.  Why would you need them?  Your pickle recipe will be plenty, thank you.

Ingredients: Coriander, Yellow Mustard Seed, Black Pepper, Bay Leaves, Fennel, Chili, Allspice

Pickling Spices (per oz)

$2.50Price