盾叶木籽营养成分分析  

Analysis of nutrients of Macaranga adenantha Gagnep.seeds

作　　者：李洪果[1] 黎云睦 邓振海 黄旭光[1] 熊俊飞 王亚南[1] 王庆灵[1] 蒙凤丽 田玉慧 LI Hongguo;LI Yunmu;DENG Zhenhai;HUANG Xuguang;XIONG Junfei;WANG Yanan;WANG Qingling;MENG Fengli;TIAN Yuhui(Experimental Center of Tropical Forestry,Chinese Academy of Forestry,Pingxiang 532600,Guangxi,China;Guangxi Institute of Chinese Medicine&Pharmaceutical Science,Nanning 530022,China;Management Center of Yachang Orchid National Nature Reserve,Baise 533200,Guangxi,China)

机构地区：[1]中国林业科学研究院热带林业实验中心,广西凭祥532600 [2]广西中医药研究院,南宁530022 [3]广西雅长兰科植物国家级自然保护区管理中心,广西百色533200

出　　处：《中国油脂》2023年第3期130-134,共5页China Oils and Fats

基　　金：广西自然科学基金项目“木本油料树种蒜头果表型变异规律及经济性状研究”(2020GXNSFAA297261);中国林科院热带林业实验中心主任基金项目“广西格木种质资源收集与基因库营建”(RL-2017-02)。

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7.84×103mg/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。To study the nutritive value of Macaranga adenantha Gagnep.seed,the 1000 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 1000 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 7.84×10^(3) 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.

关 键 词：盾叶木籽 营养成分 神经酸 

分 类 号：TS222.1[轻工技术与工程—粮食、油脂及植物蛋白工程] TQ646[轻工技术与工程—食品科学与工程]