Keeping Fruits and Vegetables Safe to Eat

Posted on February 21, 2017 by cheryle

Here’s a quick food safety question for you: which of these foods needs to be refrigerated for best food safety?

Cut watermelon
Washed and cut leafy greens
Sliced tomatoes
Freshly-cut cantaloupe cubes
Fruit salad

If you answered ALL of them, then you would be correct.

While many people don’t consider these items risky — after all, we often leave whole fruits and vegetables at room temperature for storage or to ripen further — once cut, all fruits and vegetables need to be refrigerated for safety.

Once a fruit or vegetable has been cut, the barrier to the outside world has been broken and the plant’s natural defenses have been compromised. This opens the food up to the environment. Plus, the moisture and natural sugars in fruits and vegetables help create a great place for bacteria to grow. Refrigerator temperatures, on the other hand, can help slow this development of bacteria.

Other foods that are quite often forgotten are things like smoothies and juices. These drinks should be consumed within two hours or refrigerated. Just like with cut fruit, with smoothies and juices you’ve disrupted the cell structure by blending or squeezing, which in turn makes them more susceptible to bacteria development.

Another way to help prevent bacteria growth on fruits and vegetables is to wash them carefully — even if you’re not going to eat the outside. There could be bacteria on the skin or rind and it can be dragged across the moist flesh of the food during your preparation. This additional bacteria on the inside of the food can just add to potential problems if left at room temperature.

Always remember to wash your hands, countertops, and cutting boards before and after cutting fresh fruits and vegetables. Take care to avoid cross-contamination with raw meats, poultry, and seafood.

The same caution should be taken with cooked fruits and vegetables. Once they’ve been heated, the cell structure has been broken down, making it an ideal setting for pathogen development.

Here’s the key take-home message: Once cut, cleaned, peeled, chopped, blended, or cooked, all fruits and vegetables should NOT be kept at room temperature for more than two hours. Refrigerate them for safety.

By Cheryle Jones Syracuse, MS, Professor Emeritus at The Ohio State University

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Keep Your Family Healthy in the New Year

Posted on December 20, 2016 by cheryle

Everywhere you look this time of year, someone is suggesting a resolution (or two or three) that you should keep. I’m going to chime in on this, too, with four really simple things that you can do to help keep your family healthy.

Invest in a good tip-sensitive digital-read food thermometer and use it! Cooking food to the recommended minimum internal temperature is the only sure way to destroy bacteria that can cause foodborne illnesses such as salmonella and E. coli.
Buy a couple of refrigerator and freezer thermometers and put them to use. Monitor these temperatures frequently. Your refrigerator should be below 40 degrees F and the freezer should be close to zero degrees F. These are also great tools to have in place when determining the safety of foods after a power outage. Proper refrigerator and freezer temps can extend the time food can be kept. Recommended leftover storage is 4 days at 40 degrees or below.
Get yourself several dishwasher-safe plastic cutting boards. Designating specific colors for different foods (such as yellow for raw chicken and green for fresh veggies) can help prevent cross-contamination. Change mats frequently during food prep and wash them thoroughly in the dishwasher.
Wash your hands frequently and encourage your family to do it, too! You probably don’t need to be reminded to wash after using the restroom, but also think about washing before cooking, before eating (even in a restaurant), after blowing your nose or sneezing and especially after changing diapers. Be extra diligent with handwashing when you are living with someone who is ill or in a confined area with a large group of people, such as a cruise ship or college dorm. Handwashing is the best way to prevent the transfer of norovirus.

Best wishes for a happy and food safe new year!

By Cheryle Jones Syracuse, MS, Professor Emeritus at The Ohio State University

Here’s a free printable handout that features these resolutions. How will you use your copy?

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Carrots!

Posted on September 23, 2015 by cheryle

What should I do with 10 pounds of carrots?

Actually, the first question should be “Why do I have so many carrots?”

The short answer is because I’m frugal. Carrots were on my grocery list; I use carrots frequently and consider them a vegetable staple. I can’t bear to spend $1 to $1.50 for a pound of carrots at the grocery store when I can get 10 pounds at our big box store for about $6. That’s just $.60 cents a pound — half the price, but a whole lot of carrots.

This large amount of carrots does cause a bit of a problem. Can I use them up while they’re still fresh?

Yes, I admit that there is a certain level of convenience in the bagged, ready-to-eat carrots. It’s no surprise that baby carrots are among the most popular items in the produce aisle, accounting for over 80% of all retail carrot sales.

One pound of carrots equals 3 to 3½ cups of peeled and sliced, chopped, or grated raw carrots. In case you’re counting, one 7-inch-long carrot has only 30 calories. A single cup of grated carrots has 45 calories. And boy, there are lots of nutrients packed into those calories! Few other vegetables or fruits contain as much carotene as carrots, which the body converts to vitamin A. Carrots are also a good source of potassium, fiber, and vitamin C.

But now, back to my 10 pounds of carrots.

Storage of this many carrots can pose a conundrum. It’s best to store carrots in a plastic bag in the refrigerator, unwashed and uncut, until you’re ready to use them. Most references say that carrots will keep for at least two weeks this way. However, I think we’re more inclined to eat our vegetables if they’re ready to use — that’s why baby carrots and pre-cut carrots are so popular (and $2 a pound!). So I left some carrots uncut and sliced some others for easy snacking on the go.

To use up my bounty, I turned to the Food and Health Communications recipe files. If you’re ever in the same boat as me, may I recommend the following recipes? They’re great for carrots!

Anyway, I’ve done this before, and after a while my husband finally said, enough is enough, he can’t eat any more carrots. Which is fine, but what do I do with the few that are lingering in the crisper drawer?

The answer: I chop or grate them and throw them in the freezer in 1 cup portions. The National Center for Home Food Preservation says that carrots should be blanched before freezing for the best quality and texture. Since I plan to use the frozen carrots in cooked foods, I don’t worry too much about this, but I do try to use them up sooner rather than later. I actually like to have this extra stash in the freezer, ready to go for soups and casseroles when I don’t have fresh carrots available.

I’ve said this many times, a bargain isn’t a bargain if some of it goes to waste. But, in this case, I keep trying to convince myself that even losing a few last carrots would be cheaper than buying fewer at the $1.50 per pound price. I think I’m still ahead financially, but I admit, I had to work at it!

By Cheryle Jones Syracuse, MS, Professor Emeritus at The Ohio State University

Here are a few more cooking and shopping resources from the Nutrition Education Store. We’re here to help you look your very best, right now.

Lighten Up Your Shopping Cart Poster

The Cooking Demo Book

Shop Smart for Diabetes PowerPoint

And here’s a handout that offers a great introduction to carrots, including their nutrient profile, how to cook with them, and how to store them. Enjoy!

Sharol Cripe, RDN, LDN, has also sent in a fantastic carrot resource. Visit the Englewood Farmers’ Market homepage to see recipes for roasted carrots and carrots with a Moroccan twist!

Summer Food Safety Quiz

Posted on August 12, 2015 by cheryle

Summer just seems to scream “let’s eat outdoors!” It’s important to remember that these opportunities for picnics, patio dining, and special summer foods also bring different problems and situations into the food safety picture. Here’s a quick quiz that can be used as a refresher for food safety in the summer.

Are the following questions true or false?

The safest homemade ice cream is made with a cooked custard.
It’s safe to eat hot dogs that have been stored unopened in the refrigerator for up to ten days.
Because it’s in a picnic cooler, it’s safe to leave food on the picnic table in a sunny location for over five hours.
This is a great time to marinate meat for the barbeque. Since most of these marinades contain acids, which slows bacteria growth, it’s OK to allow the meat and marinade to “steep” at room temperature like the recipe indicates.
Since it’s already been cooked, it’s OK to leave fried chicken set out all afternoon at the family reunion picnic.

Are you ready for the answers? Here they are!

1. TRUE. If you’re making homemade ice cream, look for a recipe that uses cooked custard. If you must use a recipe that calls for uncooked eggs, get pasteurized eggs or egg whites. Why? Well, there can be salmonella bacteria in raw, uncooked eggs and just because a food has been kept cold or frozen doesn’t eliminate the risk.
2. TRUE. Check the expiration date on those hot dogs. Hot dogs should be used or frozen within three days of the sell-by or use-by date on the package. An unopened package of hot dogs can stay safely in your refrigerator until the expiration date (or two weeks if there is no date). An opened bag of hot dogs should be eaten within a week of opening. Never eat hot dogs that have a cloudy liquid in the bag.
3. FALSE. The “two hour rule” changes to the “one hour rule” when temperatures creep up above 90 degrees F. This means that you should not allow food to sit out at room temperature for longer than one hour. Hot temperatures are just right for allowing the bacteria in food to multiply to numbers that could make people sick. When everyone is done eating, get that food quickly into coolers or a refrigerator. When storing food in coolers, use lots of ice. It’s hard to keep the temperature of food in coolers below 40 degrees. Five hours may be too long to ensure that food is safe. In that case, don’t eat or save those leftovers! It may seem a waste to throw out half a bowl of potato salad or sliced fruit, but there may be several problems with it in addition to the uncertain temperatures (i.e. bugs, lots of people around — did they double dip?). Unless you are absolutely sure of the safety of the food, pitch any leftovers.
4. FALSE. Marinate your meats in the refrigerator. Yes, most recipes for marinades contain an acid. This may slow but does not stop bacteria growth. Just because the recipe says to allow it to “steep” at room temperature doesn’t mean that it’s safe. Remember, not every celebrity chef or recipe developer has had a food safety or food science class.
5. FALSE. Remember that “one hour rule” for large buckets of fried chicken or plates of burgers and hot dogs. Just because a food item has been cooked does not make it immune to bacteria growth.

While the living can be easy in the summer months, food safety takes a little more effort and planning.

By Cheryle Jones Syracuse, MS, Professor Emeritus at The Ohio State University

There are lots of other amazing summer resources in the Nutrition Education Store! We’re here to help you look your very best, right now!

PowerPoint: Healthy Vacation How-Tos

Food Safety Poster

How Old Is That Egg?

Posted on February 11, 2015 by cheryle

If you open up almost any refrigerator, you’re likely to find some eggs. But how old are they?

If you’re like most people, eggs can hang out in your refrigerator for a while. At what point are they unsafe to eat?

Food safety specialists and the folks at the American Egg Board assert that eggs can keep in the refrigerator at below 40 degrees for 4-6 weeks after purchase.

So what does the code on the carton mean?

The code on the carton is a “Julian date” and it’s the date the egg was packed into the carton.

Let’s look at an example. I recently found a package of eggs in my refrigerator that had the code of 281. Checking the “Julian date” calculator on the web, I learned that that the egg was packed on the 281st day of the year — that’s October 8. The use-by date is November 21, which is 45 days after the “Julian date.” That’s right on target at 5 weeks.

Okay, so now that we’ve talked about when eggs are good, let’s review how to keep them in the best shape. I’m talking about storing them — should you put eggs in the door or the carton?

The general consensus these days is to keep eggs in their carton and put the carton in the coldest part of the refrigerator. Skip those little shelves on refrigerator doors. With the door opening and closing throughout the day, the eggs stored in the door are subjected to temperature changes, which can cause quality loss. Storing the eggs in the original carton also helps eggs keep their moisture.

But what if you don’t have the carton? How well can you tell the age of your eggs?

For many years, I believed that the age of an egg could be estimated by the size of the air cell inside. The theory was that an egg evaporates as it ages. Since the shells are porous, moisture and carbon dioxide escape and air enters the shell. This makes the air cell larger, and with more air inside, the egg floats. That’s a good theory… but, it’s not always reliable.*

According to a representative of the American Egg Board, just because an egg floats does not necessarily mean that it’s old. Instead, it may just be that the chicken laid the egg with a large air cell in the first place.

Therefore, you can’t always tell the age of an egg by putting it in a bowl of water.

On the other hand, evaporation is the premise used in the recommendation for using a “slightly older” (7-10 days) egg for hard-cooking. An egg that’s a bit older allows for easier peeling. As the egg ages, it “looses” the egg membrane’s connection to the shell, which in turn makes it easier to peel.

So, to tell the age of an egg, we need to look at what else happens when an egg ages.

When cracked open, an older egg will appear flatter. It will spread out more and the yolk membrane will be weaker and easier to break. These eggs won’t look as good when served sunny-side up, but when the appearance isn’t important, they’ll still work fine.

An “older egg” (I’m talking about eggs that are near that 45-day “use by” date) may also not look great for when it comes to hard-cooking eggs because that air cell is more prominent. See the photos here — those are oddly-shaped hard-cooked eggs.

According to the American Egg Board, a properly-handled egg rarely spoils or becomes unsafe if it’s stored properly, no matter how long it is kept.

That said, as an egg ages, it dries out and the quality diminishes. The American Egg Board recommends throwing out eggs after 4-6 weeks.

You’ll know right away if an egg has spoiled because it will have a very unpleasant sulfur stench. Once you open the shell, you will be able to smell it. This is pretty rare, but very memorable.

So there you have it. A guide to the age of eggs.

By Cheryle Jones Syracuse, MS, Professor Emeritus at The Ohio State University

*Note: The Egghead Quiz has been changed to reflect this new information.

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