Knowing food hygiene tips is essential not only in restaurants but also at home. In today’s fast-paced world, managing food safely amidst the busyness of daily life can be challenging. However, it’s important to be aware that millions of people are hospitalized each year due to food poisoning. By storing and consuming food properly, you not only prevent spoilage but also enjoy better taste and quality over time. Proper handling and storage of food are vital both for health and for reducing food waste.

Here, we answer some of your most important questions about food storage and consumption, including:

  • Is the egg float test reliable for checking if an egg is safe?

  • Can cooked rice be reheated?

  • Is it safe to eat fruit if you cut off the rotten parts?

  • Are fresh red kidney beans toxic?

Rice
If you want to eat rice cold, let it cool after cooking and then store it in the refrigerator. Rice in the fridge is only safe to eat for up to 24 hours. Reheating rice can cause food poisoning—not because of the reheating itself, but due to improper storage beforehand. Make sure the rice is thoroughly heated when reheated. Raw rice can contain Bacillus cereus spores, which survive cooking and can produce toxins if rice is left at room temperature too long. To reduce risks, rice should be properly cooked, cooled, and stored.

Can rice be reheated?
Yes, rice can be reheated, but only once. When reheating, ensure every part of the rice is steaming hot. Refrigerate leftover rice as soon as possible, ideally within one hour. Dividing rice into smaller portions helps it cool faster. Don’t let rice cool in rice cookers or pots.

Can takeout rice be reheated?
Yes, but be cautious—never reheat rice more than once. Eat it soon after purchase or delivery. Some restaurants pre-cook rice and reheat it before serving, so the safety of reheating depends on how it was stored and prepared. Ask the restaurant about their process if in doubt.

Can rice be frozen?
Yes, rice can be frozen after it’s completely cooled. Divide it into smaller portions or cool it by placing the container in cold water before freezing. Freeze rice within one hour of cooking to avoid bacterial growth. Thaw and reheat thoroughly before eating, and consume immediately.

Milk & Dairy
Expiration date: This marks the period after which consumption is not recommended. Consume dairy products within their best-before dates for optimal taste and texture.

Smell test: If the product doesn’t smell bad and shows no signs of spoilage (like mold or texture change), it’s likely still safe.

Visual indicators: Check for changes in color or consistency. If anything looks off, it’s best not to consume it.

Eggs
Is the egg float test useful?
No, it only indicates freshness, not safety. As eggs age, air enters the shell, causing them to float. This test doesn’t detect harmful bacteria.

Can eggs be consumed after the expiry date?
Yes, if they are fully cooked (both white and yolk), they can be safe a few days after expiration.

Can eggs be consumed raw?
Recent improvements in egg safety mean that children, pregnant women, and older adults can consume raw or undercooked eggs if from a reliable source. However, those with compromised immune systems should still avoid raw eggs.

Should eggs be refrigerated?
Yes. Keep eggs in a cool, dry environment to avoid condensation, which can allow salmonella to penetrate the shell.

Can eggs be frozen?
Yes. Crack them into a container, seal tightly, and freeze. You can beat them before freezing or separate yolks and whites and freeze separately. Label with the freeze date.

Fruits
Are brown bananas edible?
Yes, as long as there’s no mold. Overripe fruits like bananas and apples are great for baking and smoothies.

Can you eat fruit after cutting off the rotten part?
No. Mold may have spread beyond visible parts, producing toxins that aren’t visible and can be harmful, especially for vulnerable groups like children, pregnant women, and immunocompromised individuals.

Vegetables
Are sprouted potatoes safe?
Remove sprouts and green parts before cooking. These areas contain high levels of glycoalkaloids, which can cause digestive issues.

Can potatoes be frozen?
Yes, cooked or partially boiled potatoes (boiled for 5 minutes) can be frozen. They should be heated thoroughly before consumption.

Can potatoes be stored in the fridge?
Yes, though storing in a cool, dark place is also acceptable. Recent studies show storing in the fridge doesn’t significantly increase harmful acrylamide formation.

How long can vegetables be kept?
As long as they look fresh and aren’t moldy or slimy, they’re generally safe. Quality and shelf life vary by type and storage method.

Are fresh red kidney beans toxic?
Yes, if not cooked properly. They contain a toxin called lectin, which is destroyed during proper cooking or canning. Never cook them in a slow cooker, as it may increase toxicity.

Meat
Can meat be reheated in a microwave?
Yes, once, and it must be fully heated throughout. Cut into small portions to ensure even heating. Stir food while heating to avoid cold spots.

Can meat be reheated more than once?
No. Previously cooked and frozen meat should only be reheated once.

Canned Foods
Can you use canned food from a damaged can?
Minor dents may be okay, but if there are deep dents, cracks, rust, or bulges, do not consume the food.

What is the shelf life of canned food?
Depends on the product and storage conditions. Always check the label for storage instructions and expiration date.

Can canned food be eaten cold?
Depends on the product. Always follow manufacturer instructions.

Can you store food in the can after opening?
No. Once opened, transfer contents to another container before refrigerating to avoid harmful chemical transfer. Cans with resealable lids are the exception.


Today, observing food hygiene standards is one of the key factors for success in the food and restaurant industry. Customers are looking for places that prioritize health and quality. By registering with SFBBCERT, you take a trusted step toward gaining customer confidence and maintaining food hygiene standards.

  • Obtain food health and safety certification

  • Increase credibility and attract more customers

  • Comply with SFBB standards and expert supervision

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