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| 盾叶木籽营养成分分析 |
| Analysis of nutrients of Macaranga adenantha Gagnep.seeds |
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| DOI： |
| 中文关键词: 盾叶木籽 营养成分 神经酸 |
| 英文关键词:Macaranga adenantha Gagnep.seed nutrient nervonic acid |
| 基金项目: |
| Author Name | Affiliation | | LI Hongguo1, LI Yunmu2, DENG Zhenhai3, HUANG Xuguang1,XIONG Junfei1,WANG Yanan1, WANG Qingling1, MENG Fengli1, TIAN Yuhui1 | 1.Experimental Center of Tropical Forestry, Chinese Academy of Forestry,Pingxiang 532600,Guangxi,China
2.Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning 530022,China
3.Management Center of Yachang Orchid National Nature Reserve, Baise 533200,Guangxi,China |
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| 中文摘要: |
| 为研究盾叶木籽的营养价值，依据国标及常规方法对其千粒质量、水分、粗脂肪、粗蛋白质、氨基酸、5种矿物元素及其油脂脂肪酸组成及相对含量进行测定。结果表明：盾叶木籽千粒质量为25.657 g，水分、粗脂肪和粗蛋白质含量分别为 8.70、2.20 g/100 g和 6.90 g/100 g；盾叶木籽检出16种氨基酸，7种必需氨基酸含量占总氨基酸含量的38.06%，必需氨基酸与非必需氨基酸的比值为61.44%，必需氨基酸比值系数分（SRC值）为61.83，营养价值较高；盾叶木籽中钙和铁含量较高，分别为7.84×103 mg/kg 和 50.60 mg/kg；盾叶木籽油中共检出14种脂肪酸，其中饱和脂肪酸有6种，占脂肪酸总含量的14.26%，主要是棕榈酸（9.21%），不饱和脂肪酸有8种，占脂肪酸总含量的85.66%，主要是油酸（35.60%）和神经酸（18.10%）。综上，盾叶木籽有一定的经济价值，具有较好的开发前景。 |
| 英文摘要: |
| To study the nutritive value of Macaranga adenantha Gagnep.seed, the 1 000 seeds mass， contents of water,crude fat, crude protein,amino acid composition and content, and five mineral element of Macaranga adenantha Gagnep. seed,and the fatty acid content and composition of the seed oil were determined by the relevant national standards and conventional methods. The results showed that the 1 000 seeds mass，and content of water ,crude oil, crude protein of Macaranga adenantha Gagnep. seed were 25.657 g, 8.70 g/100 g, 2.20 g/100 g and 6.90 g/100 g,respectively. Sixteen kinds of amino acids were detected in Macaranga adenantha Gagnep. seed, and seven kinds of essential amino acids accounted for 38.06% of the total amino acids. The ratio of essential amino acids to non-essential amino acids was 61.44%, and the ratio coefficient score of essential amino acids (SRC value) was 61.83, indicating high nutritional value of Macaranga adenantha Gagnep. seed. Ca and Fe were higher mineral elements in Macaranga adenantha Gagnep. seed，with contents of 7.84×103 mg/kg and 50.60 mg/kg respectively. Fourteen kinds of fatty acids were detected from Macaranga adenantha Gagnep. seed oil, six of which were saturated fatty acids, accounting for 14.26%, mainly palmitic acid (9.21%), and eight kinds of unsaturated fatty acids, accounting for 85.66%, mainly oleic acid (35.60%) and nervonic acid (18.10%). In conclusion, there is a certain economic value and a good prospect of development of Macaranga adenantha Gagnep.seed. |
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