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I read that Mg2+ ions in vegetables are displaced by 2 H+ ions when vegetables are heated - this explains the color change.

But from my understanding, Mg is higher in the activity series than H, so how can H+ displace Mg2+ when heated?

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  • $\begingroup$ At a guess I'd say that it is due to displacement of Mg++ from the tetrapyrrole ring of chlorophyll. $\endgroup$ – user1136 Nov 5 '18 at 20:29
  • $\begingroup$ I'm voting to close this question as off-topic because it is about domestic science not the biological processes in living things. $\endgroup$ – David Nov 5 '18 at 22:15

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