Yuan’s quality oyster sauce is mainly made of fresh “Oyster” juice. The fresh oyster juice is extracted from the oyster and then concentrated into this fine and delicious tasting sauce. The fragrance of the sauce will stay in your mouth to mellow. The sauce is fine for cooking abalone, mushroom, vegetables and could be a dipping for chicken. Para-ben as a Preservative (Below the International Standard). ” Keep Refrigerated After Opening “