Results 11 to 17 of about 22 (17)

Effects of Short-Wave Ultraviolet Treatment on Postharvest Quality and Flavor Substances of Fresh Tomatoes(短波紫外线处理对鲜食番茄采后品质及风味物质的影响) [PDF]

open access: yesShipin kexue jishu xuebao
Aiming at the problems of quality deterioration and flavor loss of fresh tomatoes after harvest, the effects of 4kJ/m2 short-wave ultraviolet (UV-C) treatment on storage quality of fresh tomatoes was studied by using “original No.
TAO Jiejie(陶杰杰)   +8 more
doaj   +1 more source

Nutrition and Aromatic Components Analysis and Antioxidant Activity Evaluation of Gu Nin Chio Banana(Gu Nin Chio香蕉果实营养、香气成分分析及抗氧化活性评价) [PDF]

open access: yesShipin kexue jishu xuebao
To clarify the nutritional value, aromatic composition and anti oxidation activity of a newly introduced Gu Nin Chio banana in China, spectrophotometry, HPLC(high-performance liquid chromatography), ICP-MS (inductively coupled plasma-mass spectrometry ...
TAN Lin(谭琳)   +4 more
doaj   +1 more source

剩余污泥中赋存有机污染物的好氧和厌氧生物降解

open access: yesGongye shui chuli, 2016
综述了三类典型有机污染物,即多环芳香烃(PAHs)、多氯联苯(PCBs)和壬基酚聚氧乙烯醚(NPnEO)在污泥中的污染现状及其在好氧及厌氧两种条件下的降解转化规律,并分析了相关机理。对今后污泥中有机污染物的研究发展方向进行了展望,指出今后应重点研究微生物降解机理、筛选和分离高效降解微生物等,以利于后续污泥土地利用。
房阔   +7 more
doaj   +2 more sources

圈养大熊猫人工配合饲料的气味特点与香气成分研究

open access: yes野生动物学报, 2020
为了探寻大熊猫喜食人工配合饲料的气味特点和香气成分,用嗅感品评和顶空—固相微萃取—气质联用法对圈养大熊猫所食的人工配合饲料进行了气味特点、挥发性有机物及香气成分研究。结果表明:嗅感品评人工配合饲料的气味较强,愉悦度较好,香味较持久,含有焦糖样甜香味、熟玉米香气、豆粕样香气、谷物发酵香气、酸香气息、油脂气息及肉腥气息,其中甜香浓郁; 顶空—固相微萃取—气质联用法共发现62种香气成分,归类为醛16种、醇15种、酮10种、杂环化合物6种、烯烃6种、羧酸4种、酚2种、醚1种、酯1种、芳烃1种 ...
鲜义坤 1 杨 楠 1 黄明亚 2 李裕冬 1 李松柏 2 朱 英 1 赵仁仟 2 熊铁一 1
doaj  

不同提取方法对樟树籽仁油品质的影响Effect of different extraction methods on quality of Cinnamomum camphora seed kernel oil

open access: yesZhongguo youzhi
旨在为樟树籽仁的开发提供参考,对樟树籽仁的主要成分进行测定,并分别以低温压榨法、热榨法、浸出法和超临界CO2萃取法制备樟树籽仁油,测定樟树籽仁油的基本理化指标、挥发性成分、脂肪酸组成及生育酚、多酚、甾醇、角鲨烯含量,考察不同提取方法对樟树籽仁油品质的影响。结果表明:樟树籽仁粗脂肪含量为61.5%;不同方法提取的樟树籽仁油的过氧化值及碘值无明显差异,超临界CO2萃取和低温压榨樟树籽仁油中磷脂含量较低;低温压榨樟树籽仁油的挥发性成分中含有较多的2-壬酮;樟树籽仁油中含有较高的饱和脂肪酸(≥95.88 ...
郭永生1,付建平1,徐志勇1,徐骏伟1,章力1,王慧宾1,吴磊1,曾哲灵2,文学方1GUO Yongsheng1, FU Jianping1, XU Zhiyong1, XU Junwei1, ZHANG Li1, WANG Huibin1, WU Lei1, ZENG Zheling2,WEN Xuefang1
doaj   +1 more source

微波预处理对油茶籽油综合品质的影响 Effect of microwave pretreatment on the comprehensive quality of oil-tea camellia seed oil

open access: yesZhongguo youzhi
为探究提升油茶籽油品质和风味的新型加工方法,分别在微波功率380、540、700 W下预处理油茶籽2~10 min后压榨制油,考察微波预处理对油茶籽出油率和油茶籽油综合品质的影响。结果表明:微波预处理可显著提高油茶籽的出油率,且对油茶籽油的脂肪酸组成无影响;微波预处理使油茶籽油的酸值和过氧化值升高,但均符合国家标准要求;微波预处理可显著提高油茶籽油总酚含量和角鲨烯含量;在微波功率380 W和540 W下预处理2~10 min可提高油茶籽油中α-生育酚含量,而在微波功率700 W下预处理时间超过4 ...
蒋黎艳,刘智辉,邓志薇,董加宝,肖新生 JIANG Liyan,LIU Zhihui,DENG Zhiwei,DONG Jiabao,XIAO Xinsheng
doaj   +1 more source

醇处理和热处理对樟树籽仁蛋白 风味的影响Effects of ethanol treatment and heat treatment on flavor of camphor seed kernel protein

open access: yesZhongguo youzhi
为了对樟树籽仁蛋白在食品中的利用提供参考,以脱脂樟树籽仁粉为原料,通过对原料醇洗前处理和碱溶酸沉法制备蛋白过程中的加热处理,分别制备醇处理和热处理樟树籽仁蛋白,采用顶空-固相微萃取-气相色谱-嗅闻-质谱联用(HS-SPME-GC-O-MS)技术结合感官评价,对醇处理和热处理前后樟树籽仁蛋白的风味物质进行对比分析。结果表明:樟树籽仁蛋白中的挥发性风味物质主要为酯类、酸类、醛类、酮类和醇类,不经醇处理和热处理制备的樟树籽仁蛋白风味物质总含量为1 542.01 μg/kg,主要呈腐败味和不舒服味,分别主要由n-
孙旦,姜秋水,叶德宏,陈璐,刘轩 SUN Dan, JIANG Qiushui, YE Dehong, CHEN Lu, LIU Xuan
doaj   +1 more source

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