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甘肃10个引进核桃品种坚果品质与营养成分分析

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为给甘肃核桃的生产和销售提供参考,对引入甘肃的10个核桃栽培品种的外观品质和种仁营养成分进行分析。结果表明,‘清香’、‘辽宁4号’、‘晋龙1号’、‘鲁光’坚果综合性状较优;10个品种核仁的蛋白质含量均较高,达到了国家特级标准;种仁粗脂肪含量达到国家特级标准的品种有‘薄壳香’、‘辽宁3号’、‘晋龙2号’、‘丰辉’、‘元丰’;10个品种种仁中的5种不饱和脂肪酸含量以亚油酸含量最高且品种间差异较大;在所测定的矿物质营养指标中,K、P的含量在品种间差异较大,元素Mg含量无明显差异,除了‘清香’,其它品种中元素Zn的含量远高于文献报道。
Analysis of nut qualities and nutrient components of ten introduced walnut cultivars in Gansu Province
In order to provide a reference for walnut production and market in Gansu Province, appearance quality and kernel nutrient components of 10 introduced walnut cultivars in Gansu Province were analyzed. The results showed that the cultivars including ‘Qingxiang’, ‘Liaoning No.4’, ‘Jinlong No.1’ and ‘Luguang’ had better comprehensive nut characteristics. The crude protein contents in kernels of 10 cultivars all were higher and reached national special standard. The crude fat contents in kernels of ‘Bokexiang’, ‘Liaoning No.3’, ‘Jinlong No.2’, ‘Fenghui’ and ‘Yuanfeng’ reached the national special standard. Linoleic acid content was the highest inifve kinds of unsaturated fatty acids in kernels of ten cultivars and had signiifcance differences among different cultivars. In the determined mineral nutrient components, K and P contents had significance differences among different cultivars, the element Mg contents had no significant differences among different cultivars, and the element Zn contents in the other cultivars was far higher content than reported that except ‘Qingxiang’.

walnutnut qualitynutrient component

李建红、赵生春、汪淑娟、李冬伟

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甘肃省林业技术推广总站,甘肃兰州 730046

核桃 坚果品质 营养成分

国家林业局项目

〔2009〕TK057

2015

经济林研究
中南林业科技大学

经济林研究

CSTPCD北大核心
影响因子:1.423
ISSN:1003-8981
年,卷(期):2015.(4)
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