'What is the author&#39;s purpose for writing this Biography?' was asked by a user of Poll Everywhere to a live audience who responded via text messaging or the web. Poll Everywhere How it works Pricing Support Enterprise
MPa, 3 min) ranch dressing during 2 wk of storage at 26 â¦C. Simi-. larly, no yeast colonies were recovered during the same storage pe-. riod from T. delbrueckii-inoculated dressing that was treated with. 400 or 600 MPa for 3 min; however, when ranch dressing was con-.
The USDA recommends only storing mayonnaise in the refrigerator. From the same page: Perishable food should not be left out more than 2 hours at room temperature (1 hour when the temperature is above 90 Â°F, 32.2 Â°C).From what I understand, it doesn't last in the backcountry.p vote 3 down vote. Perishable food should not be left out more than 2 hours at room temperature (1 hour when the temperature is above 90 Â°F, 32.2 Â°C). From what I understand, it doesn't last in the backcountry. The recommended shelf-life for commercial mayonnaise, opened and inside the refrigerator, is two months.