【摘要】 为分析评价野菜的营养价值,对永州市四种常见的野菜马齿苋、苦荬菜、车前和蕨菜的亚硝酸盐、硝酸盐、水分、粗蛋白、粗脂肪、粗纤维、维生素C等成分进行了测定和分析。结果表明:这四种野菜中粗蛋白含量在11.3-2.9g/kg,粗脂肪的含量在6.4-1.7g/kg,粗纤维含量在18.4-9.1g/kg,维生素C含量在174.0-56.2mg/kg,前三者维生素C的含量甚至比白菜要高,硝酸盐含量在4.5-1.9g/kg,亚硝酸盐含量在3.3-1.7mg/kg。马齿苋和车前中亚硝酸盐含量较低,而硝酸盐的含量略超标。研究认为,这四种野菜具有较高的营养价值。苦荬菜、蕨菜是可以放心食用的野菜。而马齿苋和车前在烹饪时除采取一定的处理措施外,还要限量食用。更多还原

【Abstract】 Contents of nitrite and nitrate, moisture, crude protein, crude fat, crude fiber, vitamin C and other components contained in four kinds of common potherb in Yongzhou, which are Portulaca Oleracea, Lactuca India, Plantago asiatica and Pteridium aquilinum, were determinated and analyzed to evaluate the nutritional value of potherbs. The results showed that the contents of protein, fat, fiber and vitamin C in this four kinds of potherb were 11.3~2.9g/kg, 6.4~1.7g/kg, 18.4~9.1g/kg, 174.0~56.2mg/kg respectively. The contents of vitamin C in those potherbs were much higher than that of the cabbage except that of Pteridium aquilinum. The contents of nitrite and nitrate were 4.5~1.9g/kg and 3.3~1.7mg/kg respectively. The nitrite contents of Portulaca Oleracea and Pteridium aquilinum were quite low, but their nitrates contents were slightly higher when compared with standard. In conclusion, these four kinds of potherbs have high nutritional value. Lactuca India and Pteridium aquilinum were safe to eat. Portulaca Oleracea and Plantago asiatica should be limited in consumption, in addition to take certain measures when cooking.更多还原