Results 21 to 30 of about 1,686 (274)

Bioremediation of chromium contaminated water by diatoms with concomitant lipid accumulation for biofuel production [PDF]

open access: yesJournal of Environmental Management, 2018
Hexavalent chromium compounds such as chromate and dichromate, commonly designated as Cr (VI) compounds, are widely used heavy metals in different industries and are considered highly toxic to most life forms. Unfortunately, they have become a major pollutant of groundwater and rivers around dichromate using industries. Bioremediation is widely used to
Hedayatkhah, A.   +4 more
openaire   +4 more sources

Ocean warming-acidification synergism undermines dissolved organic matter assembly. [PDF]

open access: yes, 2015
Understanding the influence of synergisms on natural processes is a critical step toward determining the full-extent of anthropogenic stressors. As carbon emissions continue unabated, two major stressors--warming and acidification--threaten marine ...
Anaya, Jesse M   +4 more
core   +2 more sources

不同脱酸工艺对红花籽油储藏品质的影响Effect of deacidification process on storage quality of safflower seed oil

open access: yesZhongguo youzhi, 2023
为了选择合适的脱酸工艺,提高红花籽油的储藏品质,以脱胶红花籽油为原料,采用碱炼脱酸和超声波辅助乙醇萃取(UAEE)脱酸工艺制备脱酸红花籽油,并采用Schaal烘箱法进行加速氧化试验,比较加速氧化期间脱酸红花籽油的理化指标(酸值、过氧化值、p-茴香胺值)、脂质伴随物(α-生育酚、总酚、总甾醇)含量,以及体外抗氧化能力(DPPH、ABTS自由基清除能力),对比分析2种脱酸工艺对红花籽油储藏品质的影响,并预测货架期的差异。结果表明:随着储藏时间的延长,2种脱酸红花籽油的理化品质、脂质伴随物含量 ...
辛乐宇1,2,3,张泽鹏1,萨拉麦提·艾迪热斯2,3,过利敏2,3,杨海燕1 XIN Leyu1,2,3, ZHANG Zepeng1, SALAMET Edirs2,3, GUO Limin2,3, YANG Haiyan1
doaj   +1 more source

Effect of Superheated Steam Pretreatment on Storage Quality of Corn Germ [PDF]

open access: yesShipin Kexue
To investigate the effect of superheated steam (SHS) pretreatment on the storage quality of corn germ, samples were subjected to SHS pretreatment at three combinations of temperature and time (150 ℃-60 s, 180 ℃-120 s, and 210 ℃-120 s) followed by 8-week ...
ZHENG Liyou, HAN Guo, YANG Li, HUANG Yue, LI Xingming, CHEN Yan, ZHU Miaomiao, CHEN Jie, YU Miao, GUO Hongyan
doaj   +1 more source

姜酮酚复配脂质伴随物对菜籽油 氧化稳定性的影响Effect of 6-paradol coordination with lipid concomitant on oxidative stability of rapeseed oil

open access: yesZhongguo youzhi, 2023
为了促进天然抗氧化剂的开发与利用,以脱除脂质伴随物多酚、甾醇和生育酚的菜籽油(空白油样)为研究对象,以DPPH自由基清除率为指标,采用正交试验优化甾醇、α-生育酚与姜酮酚复配抗氧化剂的配方。随后通过Rancimat法测定添加最优配方复配抗氧化剂的油样(简称添加姜酮酚的油样)的氧化诱导时间,并通过Schaal烘箱法考察添加姜酮酚油样的酸值、过氧化值、茴香胺值、丙二醛含量、共轭二烯含量(K232)、共轭三烯含量(K270)、总酚含量、DPPH自由基清除率和脂肪酸组成的变化,并与添加BHT的油样(以0.2 g/
刘梦梦1,2,张炉1,2,肖航1,3,郭时印1,2,唐忠海1,2,范伟1,2 LIU Mengmeng1,2, ZHANG Lu1,2, XIAO Hang1,3, GUO Shiyin1,2,TANG Zhonghai1,2 ,FAN Wei1,2
doaj   +1 more source

Investigation of chemical modifiers for the determination of cadmium and chromium in fish oil and lipoid matrices using HR-CS GF AAS and a simple ‘dilute-and-shoot’ approach [PDF]

open access: yes, 2017
The authors are grateful to the Conselho Nacional de Desenvolvimento Científico and Tecnológico (CNPq), and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for financial support and scholarships.
Campo Menoyo, Javier Del   +7 more
core   +1 more source

Concomitant Production of Lipids and Carotenoids in Rhodosporidium toruloides under Osmotic Stress Using Response Surface Methodology [PDF]

open access: yesFrontiers in Microbiology, 2016
As a replacement to existing fossil fuels, biofuels, have proven their worth; however, their widespread use is limited due to inconsistent yields, higher costs and poor productivity. An oleaginous yeast, Rhodosporidium toruloides has been reported to accumulate substantial amounts of lipids (that can be converted to biofuels) and therefore, it was ...
Singh, Gunjan   +5 more
openaire   +3 more sources

Effect of Infrared Pretreatment on Quality and Storage Stability of Cold-Pressed Pecan Oil [PDF]

open access: yesShipin Kexue
After infrared (IR) pretreatment for 22, 41, 68, 104 and 148 s, the internal temperature of pecan kernels reached 70, 90, 110, 130 and 150 ℃, respectively.
JI Qin, PAN Lihua, LI Hexing, LUO Shuizhong, ZHENG Zhi
doaj   +1 more source

Lp-PLA2 activity is associated with increased risk of diabetic retinopathy:a longitudinal disease progression study [PDF]

open access: yes, 2018
Aims/hypothesis: The aim of the study was to examine the association between lipoprotein-associated phospholipase A2 (Lp-PLA2) activity levels and incident diabetic retinopathy and change in retinopathy grade.Methods: This was a cohort study of diabetic ...
A Thompson   +43 more
core   +3 more sources

Particular features of lipid metabolism in psoriasis patients with concomitant metabolic syndrome

open access: yesVestnik dermatologii i venerologii, 2014
Goal. To assess particular features of lipid metabolism in psoriasis patients with concomitant metabolic syndrome (MS). Materials and methods. Total cholesterol, triglycerides (TG) and high density lipoprotein cholesterol (HDL cholesterol) were determined in the blood serum of psoriasis patients by the enzymatic method using a spectrophotometer at the ...
A. G. Pashinyan, YE. V. Dontsova
openaire   +3 more sources

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