| 近成熟期及采后晾晒的油茶种仁淀粉与油脂含量研究 |
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| 引用本文： | 何超银,梁琴,吴鸿廷,曾艳玲.近成熟期及采后晾晒的油茶种仁淀粉与油脂含量研究[J].经济林研究,2019,37(3):168-172. |
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| 作者姓名： | 何超银 梁琴 吴鸿廷 曾艳玲 |
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| 作者单位： | 中南林业科技大学 经济林培育与保护教育部重点实验室,湖南 长沙 410004;中南林业科技大学 经济林育种与栽培国家林业局重点实验室,湖南 长沙 410004;中南林业科技大学 经济林培育与利用湖南省协同创新中心,湖南 长沙 410004;中南林业科技大学 经济林培育与保护教育部重点实验室,湖南 长沙 410004;中南林业科技大学 经济林育种与栽培国家林业局重点实验室,湖南 长沙 410004;中南林业科技大学 经济林培育与利用湖南省协同创新中心,湖南 长沙 410004;中南林业科技大学 经济林培育与保护教育部重点实验室,湖南 长沙 410004;中南林业科技大学 经济林育种与栽培国家林业局重点实验室,湖南 长沙 410004;中南林业科技大学 经济林培育与利用湖南省协同创新中心,湖南 长沙 410004;中南林业科技大学 经济林培育与保护教育部重点实验室,湖南 长沙 410004;中南林业科技大学 经济林育种与栽培国家林业局重点实验室,湖南 长沙 410004;中南林业科技大学 经济林培育与利用湖南省协同创新中心,湖南 长沙 410004 |
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| 基金项目： | 湖南省教育厅科学研究重点项目;国家自然科学基金 |
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| 摘 要： | 为了探究油茶种仁油脂与淀粉之间转化的可能性,提高油茶果实采后可溶性淀粉和油脂的含量,从而为油茶果实的科学采摘及晾晒提供参考依据,以国家审定品种‘华硕’不同发育时期的果实为试材,研究了近成熟期种仁油脂与淀粉含量的变化规律,以及采后自然晾晒和不同光质条件下晾晒对其油脂与淀粉含量的影响情况。结果表明:油茶近成熟期果实发育及采后自然晾晒过程中油脂与可溶性淀粉的含量变化均呈极显著正相关;采后自然晾晒能促进近成熟期果实对油脂和可溶性淀粉的积累,但对成熟果实却没有促进作用;不同光质条件下晾晒过程中油脂和可溶性淀粉的含量变化间虽然存在负相关性,但其相关性不显著;覆蓝色膜晾晒最有利于近成熟期果实采后可溶性淀粉转化为油脂。
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| 关 键 词： | 油茶 油脂 淀粉 晾晒 光质 含量 |
Study on starch and oil contents in kernels at near mature stage and air-dried kernels after harvested in Camellia oleifera |
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| HE Chaoyin,LIANG Qin,WU Hongting,ZENG Yanling.Study on starch and oil contents in kernels at near mature stage and air-dried kernels after harvested in Camellia oleifera[J].Economic Forest Researches,2019,37(3):168-172. |
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| Authors: | HE Chaoyin LIANG Qin WU Hongting ZENG Yanling |
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| Institution: | (The Key Lab of Cultivation and Protection for Non-Wood Forest Trees of Education Ministry, Central South University of Forestry & Technology, Changsha 410004, Hunan, China;The Key Lab of Non-Wood Forest Products of Forestry State Forestry Administration, Central South University of Forestry & Technology, Changsha 410004, Hunan, China;Collaborative Innovation Center of Cultivation and Utilization for Non-Wood Forest trees, Central South University of Forestry & Technology, Changsha 410004, Hunan, China) |
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| Abstract: | In order to explore possibility of conversion between oil and starch in Camellia oleifera kernel, to improve contents of soluble starch and oil in harvested kernels, and to provide some scientific bases for scientific harvesting and air-drying of C. oleifera fruits, using ‘Huashuo’ fruits at different development periods as test materials, we studied changes of oil and starch contents in kernel at near mature stage, and effects of natural drying and drying under different light quality conditions on oil and starch contents. The results showed that there was a very significant positive correlation between oil content and soluble starch content during fruit development at near mature stage and natural drying process after harvest. Natural drying after harvest could promote accumulation of oil and soluble starch at near mature stage, but it has no effect on mature fruits. There was a negative correlation between oil content and soluble starch content during drying under different light quality conditions, but their correlation was not significant. Drying with blue film was most beneficial to conversion of soluble starch into oil in fruits after harvest at near mature stage. |
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| Keywords: | Camellia oleifera oil starch air-drying light quality content |
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