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Dr Sarah Taber @SarahTaber_bww
, 8 tweets, 2 min read Read on Twitter
So we've all heard apples give off ethylene

so do a lot of other fruits- bananas, mangoes, melons, kiwis, the peach/plum/apricot group, etc

Ethylene is a gas that's also a plant hormone- it tells plant cells that it's time to die.
From the plant's POV, ripening is just a controlled, florid, drawn-out Shakespearean death. When fruit gets hit with ethylene, it goes through its death cycle faster- aka faster ripening.
But vegetables that *aren't* ripe fruits- like leafy greens, herbs, cukes, green beans, mushrooms, summer squash, etc- don't need to ripen to be edible.

When ethylene touches them, they just straight-up die and start to rot ASAP.
Funny coincidence, our meal kits always got there with two things off:

-meat was often just-barely cool 🙄

-ethylene-sensitive vegetables were usually TRASHED and unusable.
It's almost like someone stuffed those veggies in a barely-refrigerated box and packed it with ethylene-generating produce, sparking a rapid cellular death and spoilage cascade?
Putting a mishmash of veggies in a box and toting them around town for deliveries is a phenomenally bad idea.

It will destroy your produce. Even putting them in the same truck can do that, depending on the situation.

And that's why ~mainstream grocers~ don't really do delivery. They know they're doing.

The startups *are* doing it. And I just. How you supposed to trust a "food co" that doesn't even know you can't put melons & lettuce in the same box? These dudes are gonna solve food waste?
anyway @zalambar call me crazy but I'm pretty sure grocery delivery startups in fact *don't* want to hear this, since it means their entire business model is grievously flawed lol
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