shelf-life vs shelf life

Some examples from the web:

• Convenience, reduced shopping time, shelf-life
• Elastic yet resistant, with optimum protein balance, offering excellent workability and an ideal shelf-life.
• Fresh products achieve a longer shelf-life time thanks to this treatment.
• increases the shelf-life of the product.
• The shelf-life is 3 months after the package is opened.
• The second sample shall be kept refrigerated until the end of its shelf-life.
• Methods for establishing storage and shelf-life stability
• Methods for establishing storage and shelf-life stability
• It differs from the other types by the colour and taste particularly pronounced, firm flesh and high shelf-life.
• This criterion shall not apply to minced meat produced at retail level when the shelf-life of the product is less then 24 hours.
• Wine is a product with a long shelf-life and some wines are stored traditionally for several years in barrels or tanks before being placed on the market.
• However it should be taken into account that this might reduce the quality and/or shelf-life of the poppy seeds.
• Storage stability - stability and shelf-life.
• Without prejudice to point 1.2, all samples are kept refrigerated until the end of their shelf-life.
• The aim of these tests is to prove that a pharmaceutical product has the necessary stability or quality throughout the proven shelf-life.
• Smoked & processed meats, fish, poultry or cheese products with 6 and 10 days of shelf-life.
• Products referred to in paragraph 1, for which the food business operator has defined a shelf-life longer than the transitional period, may remain on the market until the end of their shelf-life.
• It's got a shelf-life of about 8 hours.
• Offer extended shelf-life in combination with Cryovac EOP and LID2050/3050 lidding films.
• By this process you can obtain the longest possible shelf-life of a fresh product.

Some examples from the web:

• It has a shelf life of 127 years.
• Besides, dupes have an average shelf life of two to three days and I've been trying to chase you down for months.
• Hops give beer its aroma, bitterness and long shelf life.
• The temperature in the door fluctuates, which decreases shelf life.
• And to preserve its shelf life, cosmetic companies used to use formaldehyde.
• If it has to have a shelf life, I hope it's 10,000 years.
• Expected shelf life of the additive as marketed.
• Processed canned fish products are high in protein and have a long shelf life.
• This also raises the issue of hygiene standards and the actual shelf life of food that is transported in this way.
• Irradiation can be used to inhibit sprouting and ripening and extend shelf life, however these are natural processes that allow the consumer to judge the age and freshness of products.
• The Commission's proposal is in essence reasonable, but should be subject to a time limit, as the shelf life of some processed foods is extremely long.
• Active materials interact with food in order to maintain or improve the condition of the food during its storage and to extend its shelf life.
• But what if passion has a finite shelf life?
• For infusion solution shelf life see section 6.3.
• Moving to Cleveland has extended our shelf life by 20 years.
• Check your expiration shelf life is over.
• Effective packaging can help maintain the taste and freshness of food and prolong its shelf life.
• The in-use shelf life is 4 weeks (not above 30ºC).
• Methods used to determine the storage stability and shelf life of the preparation must be provided.
• The shelf life of the plant protection product at ambient temperature shall be determined and reported.