Old produce is dyed
Sometimes when people want their products to continue looking fresh and appealing, they’ll dye it, so consumers won’t realize it’s old. This is something that’s commonly done in India where rhodamine B is apparently the additive of choice. Plenty of produce there is covered in this ingredient to maintain a fresh appearance, despite being on their way out.
You can always tell when it’s been used by rubbing the food with a wet cotton ball. If the color seeps into the cotton, then you know you’re dealing with dye. Thankfully, this isn’t done in the US because rhodamine B contains carcinogenic properties.
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