However, Kelley and Kelley (2000) recently employed a powerful quantitative research technique known as meta-analysis, to better ascertain what is truly known about the use of resistance exercise as a nonpharmacological intervention in lowering resting blood pressure in adults.
Angela Fraser of North Carolina State recommends a year, to a year and a half, for home canned salsa: If canned and stored properly, its shelf life is about 12 to 18 months. Salsa older than this is safe to eat if the jar is in good condition and the seal is intact. Its quality, however, may be poor.â.
As long as the container remains intact, canned foods have a long shelf life even at room temperature. The sealed containers prevent contamination of food by organisms that can spoil the contents or cause illness to people. While canned foods do not change suddenly, slow changes do occur in the container and food quality may change over time. The storage life depends on a number of factors, including conditions of storage and the nature of food. As a general rule, the best shelf life will be obtained when canned foods are kept in a cool, dry place. For best results, it is recommended that your supplies of canned food are refreshed periodically.