Bread is one of the most popular foods in Vietnam as well as around the world. Bread is usually made from wheat, or alternative grains, yeast and other ingredients, but bread after being bought or made only stays fresh for a short time before it starts to show signs of expiration. They can even produce mold bacteria that are harmful to the body when used.

Frozen vegetables are often considered a convenient and affordable alternative to fresh vegetables. Not only are they cheaper and easier to prepare, but they also have a longer shelf life and can be found year-round.

Calcium propionate is a food additive found in many foods, especially baked goods. It acts as a preservative to help extend shelf life by interfering with the growth and reproduction of microorganisms. While it offers many benefits to food manufacturers, is calcium propionate safe to consume?

Parabens are man-made chemicals commonly used in small amounts as preservatives in cosmetics, pharmaceuticals, foods and beverages. Common parabens are methylparaben, ethylparaben, propylparaben and butylparaben,... Usually there will be more than one paraben in a product.