Double digest: Why do some foods refuse to break down?

We don’t even notice them in our raita and chaat, but plant fibres are impossibly, helpfully hardy. How do they work? Swetha Sivakumar takes on the insolubles.

Double digest: Why do some foods refuse to break down?
We don’t even notice them in our raita and chaat, but plant fibres are impossibly, helpfully hardy. How do they work? Swetha Sivakumar takes on the insolubles.