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Comparative analysis of the nutrients of three varieties of Osmund

Zhang Zhong,Shi Zhulan(Anhui Science And Technology University,Fengyang 233100)  
South dried Osmund,North dried Osmund and Poached Osmund were used as material.Nutrient components were studied such as water content,ash content,crude protein,crude fiber,crude fat,carotene,Vc,K,Na,Ca,Mg,Fe,Cu,Se,etc..The result shows : Water content of Poached Osmund was 85.7 %,the water of two kinds of dried osmunds was not prominent,it was extremely prominent compared with the poached Osmund.Ash content and K content of two dried Osmunds had prominent difference,but the Poached Osmund content was the lowest,it had extremely prominent difference compared with two kinds of dried Osmunds;Crude fat and carotene content of the Poached Osmund were the lowest,it had extremely difference compared with the South dried Osmund,the fat content of North and South dried Osmund had prominent difference;Ca content of three kinds of osmund had extremely prominent difference, but three Fe content had not prominent difference.The contains of crude protein,crude fibre,Vc,Na,Mg,Se,Cu of North and South dried Osmund had no prominent difference,the content of all of the Poached Osmund was the lowest,and it had extremely prominent difference compared with two kinds of dried Osmund.
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