TODAY | October 29, 2012 >>> millions of people loaded up on
supplies and food to prepare for sandy, but what happens if you
lose power for an extended period of time? what should you eat
first? madeline personstrom is today's diet and nutrition
expert. good morning. >> good morning, nat. >> officials say be
prepared you could lose power from seven to ten days, worst case
scenario . what should we do? how many hours will food typically
last? >> a rule of thumb . four hours, 40 degrees. it means with
an unopened refrigerator you have at least four hours until you
hit the danger zone . if you have a thermometer in your
refrigerator, economical, if you have one it's great because
your food can last much longer. if it goes 40 degrees or higher
that's when bacteria starts to grow and can contaminate your
food and if you don't have one you have to be very cautious, and
we'll talk about what to save and what to toss because when it
comes to this, if in doubt, throw it out. >> what do you save
and what do you throw o