Single cell protein

Potatoes form one of the most important of all food crops. We eat them in ever-growing quantities, not just prepared at home but processed as fries in fast-food restaurants, frozen in different forms for oven-cooking, as chips or crisps in packets for casual snacking: we can’t do without them.

This is a worldwide phenomenon now. Demand for potato-based food products is rising in Asia faster than anywhere else, although growing and processing potatoes still happens mainly in the US and north west Europe.

This explosion in the use of processed potato leads to an equally remarkable growth in one major by-product: steamed peelings. Food companies remove the skin through steaming and that leaves thousands of tonnes of organic material surplus to their requirements.

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