大象传媒

Women who choose organic milk could be compromising the brain development of their children according to new research by the University of Surrey. The study claims organic milk has a 42% lower concentration of iodine than conventional milk - deficiencies of which they say can lead to a lower IQ and reading levels. Anna Hill speaks to the researchers and hears form dairy co-operative OMSCO which says the study is alarmist and that organic milk has other nutritional and health benefits.

New packaging has been developed which means a sandwich can last for up to two weeks. Anna finds out how the technology can help other fresh foods stay on the shelves for longer.

As the vegetable harvest continues Anna visits potato growers who supply one of the world's largest crisp manufacturers who are ready to respond to an hour by hour demand from the processors.

Presented by Anna Hill. Produced by Anne-Marie Bullock.