Dr Norman Swan

speaker

1,216 appearances 8 recordings 1 series first heard Jul 2026 last heard 15 Sep

Dr Norman Swan’s voice in public audio — every appearance, attributed to the second.

Trend

recordings per month · last 12 months

Recordings per month over the last 12 months — 8 in all, peaking in Sep 2026 with 3.

newest first · ▶ plays the moment

What's That Rash? · Eat the rainbow: what can food colour tell us? · 15 Sep 2026 podcast

So for example, the availability of curcumin is enhanced by piperine, which is in pepper.

Which is in pepper.

So putting pepper on your food could well release some of these uh phytochemicals to become more bioavailable in your body.

It looks as though fermenting food, like say yogurt.

Also makes some of these antioxidants and these bioactive compounds more available.

Cooking is is chemistry, as any chef will tell you, and cooking at a moderate heat with extra virgin olive oil can release some of these substances.

Now, work done in Melbourne by the late Karen O'Day and her colleagues looking at the classic fruit that produces Are you talking

Story on tomatoes.

I think you've

You tell us the story, Tegan.

Go on.

What's the story of tomatoes?

You got it right.

And it it's an illustration of how potent these bioactive compounds are and you can't possibly buy anything that comes close in the pharmacy.

And in food, it's at a lower dose.

And dose matters.

of these substances may well perform differently at the drug level dose.

And when you take one of these supplements, you're taking them at the level of a d a medication, a drug.

You're not taking them at the level that you wouldn't take them in the mix of foods.

And the one I always quote is vitamin C.

Showing 121–140 of 1,216 · page 7 of 61