Swedish Researchers Put the Crunch Back Into Frozen Vegetables - Presented by: The Aol. On Network

When frozen, then defrosted, spinach leaves wilt like the one on the right, into a lifeless, unappetising mulch. But Lund University scientists say they have the answer. The sturdy leaf on the left was injected with trehalose, a substance found naturally in many species of fungi and grass that helps them to survive cold winters.



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