Chemistry advent, mineral hardness, and mulled wine
Regarding the mulled wine graphic, there seems to be some debate about the importance of D-limonene in contributing to the aroma of oranges. A list of papers is given in: https://www.acs.org/content/dam/acsorg/pressroom/reactions/infographics/why-do-oranges-and-lemons-smell-different.pdf,
including this: https://search.informit.org/doi/epdf/10.3316/informit.383254343845378
Regarding the mulled wine graphic, there seems to be some debate about the importance of D-limonene in contributing to the aroma of oranges. A list of papers is given in: https://www.acs.org/content/dam/acsorg/pressroom/reactions/infographics/why-do-oranges-and-lemons-smell-different.pdf,
including this: https://search.informit.org/doi/epdf/10.3316/informit.383254343845378