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D3099-1headline bar  Asian giant hornet being cryopreserved**Image Number d3099-1** Purple sweetpotatoes are high in beneficial phytochemical nutrients called anthocyanins. ARS and North Carolina State University researchers found a way to preserve anthocyanin content during processing into juice or natural colorants.  Photo by Van-Den Truong. 640 pixels wide: (d3099-1.jpg)   Please visit our Image Gallery.


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