Results 31 to 40 of about 3,519 (168)
Zhongguo youzhi, 2023 为了对油茶籽高值化预处理技术的发展和高附加值山茶油产品的开发提供参考,以油茶籽为实验材料，未经任何预处理的油茶籽作为对照组，直接进行压榨制油，研究微波（800 W，4 min)、烘烤(140 ℃，30 min)、焙炒(120 ℃，1 h）和红外（150 ℃，55 min）预处理技术对油茶籽出油率，压榨山茶油酸值、过氧化值、脂肪酸组成及含量、总甾醇含量及挥发性风味成分的影响。结果表明：与对照组相比，微波、烘烤、焙炒和红外预处理使油茶籽的出油率分别提高了5.92、3.52、2.93、3.86百分点 ...
奉美桃，刘千千，刘智辉，夏楠，肖新生，蒋黎艳 FENG Meitao, LIU Qianqian, LIU Zhihui, XIA Nan, XIAO Xinsheng, JIANG Liyan
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Grasas y Aceites, 2023 Non-hydratable phospholipids as pro-oxidants are likely to cause a decrease in the quality of vegetable oils. The influence of phosphatidylethanolamine (PE) and phosphatidylserine (PS) on the oxidative stability, antioxidant capacity and color reversion
J.J. Zhong +4 more
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Zhongguo youzhi, 2023 为了对油茶籽油品质控制及评价提供支撑，以纯油茶籽油和掺假油茶籽油（分别掺入菜籽油、花生油、棕榈油和高油酸花生油）为试验材料，采用气相色谱法（GC）分析其脂肪酸组成，采用低场核磁共振技术（LF-NMR）测定其横向弛豫特性数据，结合主成分分析（PCA）、偏最小二乘判别分析（PLS-DA）和偏最小二乘分析（PLS）等化学计量学方法建立油茶籽油掺假的定性和定量分析模型。结果表明：5种植物油的脂肪酸组成和LF-NMR横向弛豫特性数据存在显著区别；油茶籽油和其他4种植物油在PCA得分图上可清晰区分；PLS ...
胡伯凯1,2，王纪辉1,2，刘亚娜1,2，耿阳阳1,2，王港2，张东亚3 HU Bokai1,2, WANG Jihui1,2, LIU Yana1,2, GENG Yangyang1,2, WANG Gang2, ZHANG Dongya3
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Antioxidation and hypolipidemia functions of three oils in vitro
Shipin yu jixieObjectiveTo investigate the antioxidant activity and hypolipidemic function of camellia seed oil, bitter apricot kernel oil, and peanut oil.MethodsThe antioxidant and hypolipidemic activities of the three oils are evaluated through in vitro antioxidant ...
WU Qiutong +3 more
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Zhongguo youzhi, 2022 为了了解不同制油工艺对油茶籽油生物活性成分含量和抗氧化活性的影响，以油茶果为原料，采取鲜榨法、浸提法、新水法、冷榨法和热榨法5种制油工艺分别制取油茶籽油，研究对比了5种制油工艺的提油率，所制取的油茶籽油的脂肪酸组成、生物活性成分(生育酚、角鲨烯及多酚)含量及其对DPPH自由基和ABTS自由基的清除能力。结果表明，5种制油工艺的提油率均在73%以上，其中浸提法（（96.45±3.02）%）最高，冷榨法（（73.72±2.76）%）最低，鲜榨法（（82.36±224）%）、新水法（（81.91±3.21）%
刘芳1，吴苏喜1，2，蒋明芳1，谭传波3，李普选2LIU Fang1, WU Suxi1,2, JIANG Mingfang1, TAN Chuanbo3, LI Puxuan2
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Impact of Drying Processes for Camellia Seeds on the Volatile Compounds of Camellia Seed Oil
ProcessesThe drying process employed for camellia seeds has a significant impact on the quality of camellia seed oil (CO), but research on its influence on the flavor of CO is limited. This study investigated the effects of two typical drying processes, sun-drying and hot-air-drying, on the volatile composition of CO using Gas Chromatography-Ion Mobility ...
Li Ma +8 more
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Study on the Process of Pressing Camellia Oleifera Seeds with Daily 10t Twin-screw Oil Press
Liang you shipin ke-jiIn order to improve the quality and reduce the loss of the nutritional content of camellia oil with the traditional press, this paper studied the process of pressing Camellia Oleifera Seeds with 10t/d Twin-Screw Oil Press.
ZHOU Wan-meng +6 more
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高品质油茶籽油的湿法提取工艺优化 Optimization of wet extraction of high quality oil-tea camellia seed oil
Zhongguo youzhi, 2022 为了获得富含生物活性成分的高品质油茶籽油，采用湿法提取油茶籽仁中油脂，并采用响应面实验优化工艺条件。结果表明:最佳工艺条件为加水量12%、提油助剂添加量1%、提取温度55 ℃、提取时间50 min；在最佳工艺条件下，油茶籽仁的提油效率达86%以上，所得油脂基本不含固杂，其中的生物活性成分维生素E、角鲨烯和谷甾醇含量分别高达189.0、221.9 mg/kg和385.2 mg/kg，高于T/LYCY 001—2020《特、优级油茶籽油》中优级油茶籽油的相应指标值，为高品质油茶籽油产品的开发提供了新思路 ...
吴苏喜1,2,周东蓉1,王彦心1,黄艳慧1,李普选2,李昌珠3 WU Suxi1,2, ZHOU Dongrong1, WANG Yanxin1, HUANG Yanhui1, LI Puxuan2, LI Changzhu3
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Comparative advantages of chemical compositions of specific edible vegetable oils
Oil Crop Science, 2023 As important supplementary to major edible oils, comparative chemical advantages of minor edible oils decide their development and usage. In this study, chemical composition of 13 kinds of specific edible vegetable oils were investigated. The comparative
Li Xue +6 more
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Food Safety and Health, EarlyView.This article reviews the basic characteristics, factors affecting properties of oleogels, and preparation methods of oleogels. Meanwhile, their applications in meat products, dairy products, baked goods, and delivering bioactive compounds are highly summarized.
Wenyuan Zhang +6 more
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