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How much prawn's in a prawn cracker? What's in low-salt food instead of salt? Plus the new high-tech method of keeping fresh herbs alive for longer
Bergamot gives Jimmy's Earl Grey tea flavour, but what exactly is it? How does instant tea match up against tea bags? Plus Kate visits a jelly bean factory. And pork scratchings.
Could a scientist's genetically engineered goats' milk save 500,000 lives a year? Is the fish we're buying really what we think it is? And what exactly is spreadable butter?