Leminal Space

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Leminal Space is an instance of the social link aggregation and discussion platform Lemmy. It is completely free and open, and not controlled by any company. This means that there is no advertising, tracking, or secret algorithms. Content is organised into communities, so it is easy to subscribe to topics that you are interested in, and ignore others. Voting is used to bring the most interesting items to the top.

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Bigotry will not be tolerated. This includes racism, sexism, ableism, homophobia or transphobia. Please also familiarise yourself with the Lemmy Code of Conduct.
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Status

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founded 1 year ago

ADMINS

chrisbit

Kenneth

The vegetables folks, they're no good. (www.theguardian.com)

submitted 5 months ago by [email protected] to c/[email protected]

0 comments fedilink

https://archive.is/20240328221739/https://www.theguardian.com/environment/2024/mar/28/vegetables-losing-nutrients-biofortification

255

Vegetables are losing their nutrients. Can the decline be reversed? (www.theguardian.com)

submitted 5 months ago by [email protected] to c/[email protected]

58 comments fedilink

In 2004, Donald Davis and fellow scientists at the University of Texas made an alarming discovery: 43 foods, mostly vegetables, showed a marked decrease in nutrients between the mid and late 20th century.

According to that research, the calcium in green beans dropped from 65 to 37mg. Vitamin A levels plummeted by almost half in asparagus. Broccoli stalks had less iron.

Nutrient loss has continued since that study. More recent research has documented the declining nutrient value in some staple crops due to rising atmospheric carbon dioxide (CO2) levels; a 2018 study that tested rice found that higher CO2 levels reduced its protein, iron and zinc content.

While the climate crisis has only accelerated concerns about crops’ nutritional value, prompting the emergence of a process called biofortification as a strategy to replenish lost nutrients or those that foods never had in the first place.