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马铃薯土豆中含有难溶于水的龙葵碱,一般含量很少,但在贮存过程中逐渐增加,土豆发芽后,其幼芽和芽眼部分的龙葵碱含量就增达到0.3%-0.5%,正常人食入0.2-0.4克即可引起中毒。中毒表现为咽喉瘙痒感及烧灼感,上腹部烧灼或疼痛,其后出现胃肠炎症状,还有头晕、头痛、轻度意识障碍、呼吸困难,重症者可因心脏衰竭、呼吸中枢麻痹而致死。当土豆贮存不当,至土豆发芽或部分变黑绿色时,其中的龙葵碱大量增加,烹调时又未能除去或破坏龙葵碱,食后即发生中毒。尤其以
Potato potatoes contain solanine which is hardly soluble in water, and generally content is very little, but gradually increased during storage. After potato germinated, the content of solanine in the shoots and buds increased by 0.3% -0.5% Normal intake of 0.2-0.4 grams can cause poisoning. Poisoning manifested as itchy throat and burning sensation, upper abdomen burning or pain, followed by symptoms of gastroenteritis, as well as dizziness, headache, mild disturbance of consciousness, difficulty breathing, severe cases may be due to heart failure, respiratory center paralysis and death . When the potatoes stored improperly to the germination of potatoes or part of the dark green, which greatly increased solanine, cooking failed to remove or destroy solanine, poisoning occurs after eating. Especially