Product shelf life is the period during which a food item retains its declared quality and safety characteristics when stored under specified conditions, directly affecting contract terms, logistics planning and buyer acceptance criteria.
In trade practice
Suppliers confirm product shelf life on specification sheets, referencing storage temperature and packaging type. Buyers typically require that a minimum proportion of the total shelf life remains on arrival, a condition written into purchase contracts as a remaining shelf life clause. QA teams verify shelf life through stability studies and microbiological testing at production. A common error is quoting shelf life without specifying the storage condition, making the figure unenforceable.
In a specification
Specifications state the total shelf life in months from production date, the required storage temperature, and the minimum remaining shelf life at point of delivery expressed as a percentage of total or as a fixed number of months.