Fruit Ripeness Sticker
An assistant professor at the University of Arizona has invented a sticker that indicates fruit ripeness. Picking out fruit is currently something of an art (or just plain potluck).
The "RediRipe" sticker works by detecting levels of ethylene gas coming from the fruit. As the gas is released the sticker turns from white to blue.
The color shift is not instantaneous once a sticker is attached. It takes about 24 to 48 hours, depending on how fast the fruit is ripening, Riley said.The product is not quite complete, but I suspect that this will be big. Currently a large amount of fruit is wasted due to ripening issues.
See also: Timestrips - labels that count the days.
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A small rant here. How annoying is it when you have to peel off those little stickers on apples before you eat them... What's that all about?
ReplyI think the stickers indicate the kind of apple, so that the people operating the checkouts know which kind to charge for. I could be wrong. It's some kind of identifier, and I could see that being useful in a lot of ways.
ReplyThat is really cool. It will be very helpful to tell when the fruit is really to eat or when it is too old and might not taste that great.
ReplyI hope this idea comes to fruition (no play on words intended). I hate biting into fruit and finding it hard as a rock!
ReplyWhat an awesome idea! I spend so much time agonizing (yes "agonizing") in the Produce department, only to be frustrated the next morning when the nectarine I bought for my breakfast is all mooshy and nasty. These stickers will definately make that part of my life easier.
ReplyMeh, I think experience has saved me from trouble with this. My fruit always seems great. (At least, when I go to the *good* Kroger. I have no reason for why this might be, but when I go to the Kroger in the low-income part where I live, can never find good fruit... it's so worth it for the fresher food and better shopping experience to drive down into the higher-income part of town to shop)
ReplyThat might be a pretty decent idea, actually. Although, I've never really had issues with my produce going rotten too fast. It has a high "turnover" rate in my house...we eat it as soon as we buy it and we store it properly, so we don't throw too much out. Properly storing your fruit and veggies does wonders for it's shelf life. Example: apples. My parents keep apples on the counter in the bag...they go rotten in a week. I keep apples in the crisper and they keep fresh for at least a month. This sticker thing would be a good idea for stores though. I mean, how gross is it when you are picking out apples or peaches and you find that the bottom layer of fruit in the display is all rotty?
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