Test if whitish chocolate has bloom or is spoiled
My friend (who lives in a warm, humid climate) often has issues with chocolate, due to the formation of a light-colored coating on it. I believe it is just chocolate bloom, but she thinks it's mold and should trash the chocolate. Visual inspection alone does not seem sufficiently precise to identify which of these has happened.
Is there a reliable way to test which one is the case? i.e., re-heating it, or trying to remove the coating with a knife, or some other technique which does not require using a microscope?
Best Answer
It is is almost impossible for chocolate to mold as it doesn't have any moisture, required for mold growth.
There are two types of bloom:
Sugar bloom -- wipe the chocolate with a wet finger, it will dissolve.
Fat bloom -- wipe the chococolate with a dry finger, it will feel waxy or greasy
Either tends to look like a chalky coating, not very thick, definitely not fuzzy (like mold).
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Quick Answer about "Test if whitish chocolate has bloom or is spoiled"
The easiest way to tell if your chocolate is wrong is if it has white spots. If it has these, you'll need to throw it out. The white spots can signify a mold or bacteria problem, and you should not eat them. A stale bar of chocolate will lose its flavor and aroma and is past its prime.How do I know if my white chocolate is bad?
How can you tell if white chocolate is bad or spoiled? The best way is to smell and look at the white chocolate: if the white chocolate develops an off odor, flavor or appearance, it should be discarded.How do you know if chocolate has bloomed?
Fat bloom can be identified by greyish or whitish streaks on the surface of the chocolate that typically feels slick. This blooming happens when the chocolate has been exposed to warm temperatures.Is chocolate with a white bloom OK to eat?
The good news is that whatever type of bloom is affecting your chocolate, it's still completely safe to eat. Ultimately, chocolate bloom doesn't affect the taste or shelf life of your chocolate, you just have to accept a slightly different appearance \u2014 which can still be frustrating if you're giving it as a gift!Can white chocolate spoil?
White chocolate: The outlier of the group\u2014some might even say it's not real chocolate, but that's for another day. Since white chocolate is made up of dairy and cocoa butter, it's likely to go bad earlier. It can last up to six months unopened.What is the White Stuff that appears on Old Chocolate? | Food Unwrapped
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Answer 2
Chocolate cannot grow mold. Sugar bloom or fat bloom are the only things you'll see happening on chocolate. This only happens when the chocolate is improperly tempered or improperly stored. May not look pretty or taste good, but it's not moldy. You can re-temper it as long as it's just plain chocolate (no filling, nuts etc).
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