Results 21 to 30 of about 1,821,013 (198)
The physicochemical properties and fatty acid composition of two new woody oil resources: Camellia hainanica seed oil and Camellia sinensis seed oil [PDF]
Woody plants are important source of edible oil, and Camellia hainanica and Camellia sinensis are two new option. The physicochemical properties and fatty acid composition were determined in both species. The oil content of C. hainanica was 37.60–41.60%, and that of C. sinensis was 31.04–33.20%.
Xu Zhenggang +6 more
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Camellia seed oil is a top-end quality of cooking oil in China. The oil quality and quantity are formed during seed maturation and desiccation. So far, it remains largely unresolved whether lipid degradation occurs and contributes to Camellia oil traits.
Mingjie Chen +4 more
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海南岛油茶籽油品质独特,为促进海南岛油茶资源开发利用并为油茶籽油品质性状育种提供参考依据,选取海南岛不同油茶主产区的油茶籽,对油茶种仁含油率及油茶籽油理化指标、无机元素含量、脂肪酸组成和生物活性物质含量进行测定,并对考察指标进行相关分析、品质综合评价和聚类分析。结果表明:海南岛油茶籽种仁平均含油率为49.13%;油茶籽油无机元素含量丰富,不饱和脂肪酸含量在90%左右,角鲨烯含量为78.33~96.23 mg/kg,茶多酚含量为64.78~77.36 mg/kg,维生素E含量为430.7~484.4 mg/
夏腾飞1,2,陈加利1,2,熊子君3,孙秀秀1,2,马光耀2,王春梅2, 梁振儒2,冯依欣2, 郑道君1,2 XIA Tengfei1,2, CHEN Jiali1,2, XIONG Zijun3, SUN Xiuxiu1,2, MA Guangyao2, WANG Chunmei2, LIANG Zhenru2, FENG Yixin2, ZHENG Daojun1,2
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为了探索基于近红外光谱技术快速无损鉴别掺假油茶籽油的可行性,以赣南茶油为研究对象,通过掺入不同植物油如玉米油、花生油、菜籽油、葵花籽油和大豆油等制备掺假油茶籽油,应用近红外光谱技术采集其光谱特征信息,对比不同预处理方法和主成分数,并结合线性和非线性建模方法建立油茶籽油掺假鉴别模型,以识别准确率(纯油茶籽油样品和掺假油茶籽油样品被正确判别的比例)、灵敏度(纯油茶籽油样品被正确判别为纯油茶籽油的比例)、特异性(掺假油茶籽油样品被正确判别为掺假油茶籽油的比例)作为模型的评价指标,优选出最佳模型。结果表明 ...
沈乐丞,曾秀英,温志刚,张远聪,刘贤标,王玫,刘婷,范伟华,邹辉SHEN Lecheng, ZENG Xiuying, WEN Zhigang, ZHANG Yuancong, LIU Xianbiao, WANG Mei, LIU Ting, FAN Weihua, ZOU Hui
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红外与微波预处理油茶籽对其原油 DPPH自由基清除能力的影响
为了研究油茶籽油氧化稳定性机制,了解不同预处理方式对油茶籽油抗氧化能力的影响,以DPPH自由基清除能力为指标,对油茶籽分别经红外与微波预处理后得到的油茶籽原油及其极性组分和非极性组分抗氧化能力进行分析。结果表明:油茶籽分别经红外和微波预处理后,得到的油茶籽原油及其极性、非极性组分DPPH自由基清除能力变化显著;红外预处理的油茶籽所制油茶籽原油及其非极性组分的DPPH自由基清除能力高于相应微波预处理,其最大值分别高3.53 μg/g和6.47 μg/g ...
王龙祥1,2,罗凡1,钟海雁2,方学智1,杜孟浩1,胡立松1 WANG Longxiang1,2,LUO Fan1,ZHONG Haiyan2, FANG Xuezhi1, DU Menghao1,HU Lisong1
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Camellia oil is one of the four major woody oils in the world and has high nutritional value due to its richness in monounsaturated fatty acids (MUFAs) and bioactive substances. In order to compare the effects of pretreatments of camellia seeds on the quality, phenolic profile, and antioxidant capacity of camellia oil, three different pretreatment ...
Mei Wang +12 more
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Biodiesel Production from Rubber Seed Oil via Esterification Process [PDF]
One promise source of alternative energy is biodiesel from rubber seed oil, because the raw materials available in plentiful quantities and can be renewed.
W, Widayat,, S, Suherman
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为探究贵州不同油茶的生产适应性,分析贵州本土油茶物种与普通油茶的差异性,研究不同产地对油茶籽油品质的影响,对贵州2个主要油茶物种(威宁短柱油茶、西南红山茶)和3个主要产地(贵阳、平塘、册亨)的普通油茶籽仁含油率及其制取油脂的理化特性、脂肪酸组成与活性物质含量进行检测,应用聚类分析和主成分分析进行综合评价。结果表明,威宁短柱油茶和西南红山茶籽仁的含油率较高,分别达到了57.76%和56.08%,与普通油茶差异显著(p<0.05)。各物种及产地的油茶籽油不饱和脂肪酸相对含量差异不显著(p>0.05 ...
刘海, 王进, 许杰, 陈瑶, 缪明胜, 郭少海 LIU Hai, WANG Jin, XU Jie, CHEN Yao, MIAO Mingsheng, GUO Shaohai
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This paper summarizes the existing research results on the content of lipid concomitants in oil-tea camellia seed oil, especially the content change during processing.
Cui-rong, HUANG +5 more
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为促进油茶籽油的安全生产,针对目前部分油茶籽油产品中存在的苯并(a)芘、塑化剂等有害物质含量超标,品质不稳定,功能性营养物质流失等问题,通过对油茶籽油加工技术的深入调研,分析了油茶籽油质量安全生产技术的现状,提出了油茶籽油质量安全生产技术规范,包括油茶果前处理,油茶籽预处理、压榨,油脂浸出,油脂精炼,油脂包装、储存与运输等各生产加工过程的技术规范,以及生产技术管理、技术培训、设备与生产场所管理方面的技术规范。油茶籽油质量安全生产技术规范的提出,可以实现产品的标准化 ...
魏冰1,李红霞1,孟橘1,杨敏1, 赖琼玮2,陈志红3 WEI Bing1,LI Hongxia1,MENG Ju1,YANG Min1,LAI Qiongwei2,CHEN Zhihong3
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