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I recently cut into a russet and it had a long line of pink running across top. Looked like I cut it in half and ran a pink highlighter across the length about 1/4 inch from the side. Is that normal?
Most often, a pink or purple streak thru the potato is caused by cold weather during the growing season. Sometimes it is a potato reverting back partially to another variety that may have been crossed with the original at one point. Worst case scenario, is if the colored part turns soft, from a disease known as pink rot. This usually develops in affected tuber tissue when the potatoes are cut and exposed to air for 15 to 30 minutes.
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Established in 1937, the Idaho Potato Commission (IPC) is a state agency that is responsible for promoting and protecting the famous "Grown in Idaho®" seal, a federally registered trademark that assures consumers they are purchasing genuine, top-quality Idaho® potatoes. Idaho's ideal growing conditions, including rich, volcanic soil, climate and irrigation differentiate Idaho® potatoes from potatoes grown in other states.
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