30 Bananas a Day!

Recently I've noticed some difference between some nutrition profiles in crono and nutritiondata. Especially for vitamins. For example (serving size 100g):

Lettuce, green leaf, raw / nutritiondata / cron-o-meter

Vitamin A:                     / 7404 IU         / 1232.1 IU

Vitamin K:                     / 174 mcg        / 126.3 mcg

Lettuce, cos or romaine, raw / nutritiondata / cron-o-meter

Vitamin A:                             / 8711 IU         / 1451.9 IU

Vitamin C:                             / 24 mg           / 4 mg

WTF? Why is this happening?

Tags: cronometer, nutritiondata, vitamin A

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anyone?

I went to the national database that actually supplies these values, USDA. Here's what I found interesting:

Cron-o-meter got the Vit C right on the romaine lettuce and the Vit K right on the green leaf, but Nutritiondata got the Vit A on both...

So, yeah, that is weird and I don't know what is going on with that...

Ok, ive got the answer from cronometer's creator:

nutritiondata.self.com uses a much older data set (USDA sr21) whereas we have the most recent data (USDA sr24).

They also report Vitamin A IU in a very outdated manner -- the absorbability of vitamin A from plant sources is much lower than once previously thought. Our reported values are reflecting the more current scientific analysis.

so Cronometer +1

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