Traditional Sardines in Mustard. Wide Caught. Natural Souce Omega-3: contains 0.93g of Omega-3 fatty acid per serving. Ingredients: sardines, soy bean oil, mustard powder, modified tapioca, starch, vinegar, sugar, salt, citric acid, cumin powder, guar gum. Net Wt: 3.53oz (100g). Crown Prince Quality Products Since 1948. Fresh from the sea to your table. We work close with quality-conscious fishermen to ensure that our wild caught Sardines are of the finest quality. Rich in flavor and containing beneficial omega-3 fatty acids, our Sardines are the perfect complement to your snack, meals or all on their own.