An increased AST level is usually a sign of liver disease. Liver disease is even more likely when the levels of substances checked by other liver blood tests have also increased. An increased AST level may be due to any of the following:
In order to keep itself fresh, the lettuce gives off carbon dioxide, causing a slight odour. This carbon dioxide is not harmful and the odour should disappear quickly once the salad package is opened.
Butylated hydroxytoluene (BHT) is a food additive used as a preservative, and when it appears on food labels, it indicates that the manufacturer is concerned about the potential for the food to go rancid.It is also used as a preservative in a number of other things, ranging from cosmetics to jet fuel.utylated hydroxytoluene (BHT) is a food additive used as a preservative, and when it appears on food labels, it indicates that the manufacturer is concerned about the potential for the food to go rancid.