Comparative Analysis of Nutritional Components of Different Varieties of Peanut in Three Major Producing Areas of China
Objective:To identify the differences in nutrient contents among the major peanut varieties from Liaoning,Shandong and Henan,the three major peanut producing areas of China,and to screen for micronutrient,vitamins,resveratrol and β-sitosterol in peanut varieties provide a theoretical basis,also to give full play to the regional advantages of peanut cultivation to provide a reference.Method:The contents of micronutrient,vitamin E,resveratrol and β-sitosterol in 22 peanut varieties from the three regions were determined,after that,the average value of component content of peanut varieties in three areas was calculated and compared.Result:Peanut cultivars from three regions were rich in nutrients,and the calcium,resveratrol and β-sitosterol contents were all ranked in the order of Liaoning＞Henan＞Shandong;the iron and selenium contents were all ranked in the order of Liaoning＞Shandong＞Henan.The Zinc content ranking was Henan＞Shandong＞Liaoning;the total vitamin E content ranking was Henan＞Liaoning＞Shandong.Conclusion:The contents of calcium,iron,selenium,resveratrol and β-sitosterol in peanut varieties from Liaoning region were better than those from Henan and Shandong provinces.The contents of total vitamin E and zinc in peanut varieties from Henan were higher than those from Shandong and Liaoning.In Liaoning region,Huludao had a geographical advantage in peanut cultivation compared with Jinzhou Heishan,Yixian and Fuxin Fumeng counties.The content of β-sitosterol in'Silihong'was higher than that in other varieties.
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