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8-hexamethylcyclopenta-gamma-2-benzopyran (HHCB) 1

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Effects of

Yuping ZHANG, Yanfei ZHOU, Xingxu ZHANG, Tingyu DUAN, Zhibiao NAN

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 1,   Pages 148-158 doi: 10.15302/J-FASE-2017195

Abstract: The activities of the antioxidant enzymes ascorbate peroxidase, catalase, peroxidase and superoxide dismutaseE+ plants from the WLS and QY populations had significantly higher antioxidant enzyme activities andThus, endophyte infection significantly affected antioxidant enzyme activities ( <0.05), photosynthesis

Keywords： antioxidant enzymes     Elymus dahuricus     Epichloë     fungal endophyte     photosynthesis    

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Production of rhamnolipids-producing enzymes of

Kata Kiss,Wei Ting Ng,Qingxin Li

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 133-138 doi: 10.1007/s11705-017-1637-z

Abstract: Five proteins/enzymes, namely RhlA, RhlB, RhlC, RhlG and RhlI, are critical for the production of rhamnolipids

Keywords： rhamnolipids     Pseudomonas     RhlA     RhlB     RhlI     protein folding    

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EMBRYOGENESIS ABUNDANT FAMILY GENE FROM PONCIRUS TRIFOLIATA, CONFERS ENHANCED DROUGHT TOLERANCE BY ENHANCING ANTIOXIDANT

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract: In addition, transgenic plants had much higher expression levels of three antioxidant enzyme genes (CATthis study demonstrates that PtrLEA7 can confer enhanced drought tolerance partially via enhancing antioxidant
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Polyamines and antioxidant defense system are associated with cold tolerance in centipedegrass

Jingjing CHEN, Junyang FANG, Zhenfei GUO, Shaoyun LU

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 1,   Pages 129-138 doi: 10.15302/J-FASE-2017197

Abstract: Exogenous Put or Spd increased antioxidant enzyme activities and chilling tolerance.

Keywords： antioxidants     centipedegrass     chilling     photosynthesis     polyamines    

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OVEREXPRESSION OF

Tonglu WEI, Dalong GUO, Jihong LIU

Frontiers of Agricultural Science and Engineering   Pages 236-246 doi: 10.15302/J-FASE-2020368

Abstract: In addition, transgenic plants had much higher expression levels of three antioxidant enzyme genes (CATthis study demonstrates that PtrLEA7 can confer enhanced drought tolerance partially via enhancing antioxidant

Keywords： abiotic stress     antioxidant     drought     late embryogenesis abundant     Poncirus trifoliata    

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Expression profiles of genes and enzymes related to ascorbic acid metabolism in fruits of

Yingying CHEN,Zhihui ZHAO,Jin ZHAO,Mengjun LIU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 2,   Pages 131-136 doi: 10.15302/J-FASE-2016096

Abstract: the expression patterns of the nine genes related to AsA metabolism as well as the activities of five enzymeslactone dehydrogenase, ascorbate peroxidase and monodehydro-ascorbate reductase are the crucial genes/enzymes

Keywords： Chinese jujube     ascorbic acid     metabolism     gene     enzyme    

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Microbial biodegradation of plastics: Challenges, opportunities, and a critical perspective

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1596-6

Abstract:

● Health hazards of plastic waste on environment are discussed.

Keywords： Plastic-waste     Polymers     Health-hazards     Biodegradation     Microorganisms     Enzymes    

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Biodegradation and detoxification of the triphenylmethane dye coomassie brilliant blue by the extracellular enzymes

Jin Zhao, Qing-Xi Wu, Xiao-Du Cheng, Ting Su, Xiao-Hui Wang, Wen-Na Zhang, Yong-Ming Lu, Yan Chen

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 421-436 doi: 10.1007/s11705-020-1952-7

Abstract: Fungi play an important role in dying wastewater treatment. In this work, the mycelia of exhibited an excellent capacity in decolorizing coomassie brilliant blue (CBB). The results demonstrated that the mycelia could treat CBB with high concentrations over a broad range of pH and temperature. The decolorization rate of 99.19% and the removal rate of 16.31 mg·L ·h were realized. The mycelia could be recycled from decolorizing process for 19 times, indicating a good re-usability. It verified that the lignin peroxidase (121.65 U·L ) and manganese peroxidase (36.77 U·L ) were involved in the degradation and decolorization process of CBB. Toxicity assessments indicated the seed germination rate was up to 82.22% while inhibition to decreased dramatically and no significant effect on growth was found. The removal of CBB was a synergistic process accomplished by adsorption and biodegradation. The mycelia could be used for eco-friendly CBB treatment.

Keywords： fungus mycelia     biodegradation     extracellular enzymes     coomassie brilliant blue     Lactarius deliciosus<    

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Antioxidant and antitumor effects and immunomodulatory activities of crude and purified polyphenol extract

Xiaohong Kou,Lihua Han,Xingyuan Li,Zhaohui Xue,Fengjuan Zhou

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 108-119 doi: 10.1007/s11705-016-1553-7

Abstract: The antioxidant and antitumor effects as well as the immunomodulatory activities of crude and purifiedThe antioxidant and antitumor effects of the polyphenol extract were measured both and , and theirassays demonstrated that blueberry purified polyphenol extract (BBPP) exhibited higher antioxidant activitiesThese results indicate that BBCP has significant antioxidant and antitumor activities and that it can

Keywords： crude polyphenol extract     purified polyphenol extract     blueberry     antioxidant     antitumor     immunity    

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Inhibition of NO emission by adding antioxidant mixture in

A. PRABU,R. B. ANAND

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 238-245 doi: 10.1007/s11708-015-0356-8

Abstract: In this paper, the effect of adding an antioxidant mixture in biodiesel as fuel, in a single cylinderThe comparison showed that NO emission was reduced drastically for the test fuels with the antioxidantThe maximum reduction of 10% of NO emission was observed for the antioxidant mixture in neat biodiesel

Keywords： NO emission     antioxidants     Succinimide     N     N-dimethyl-p-phenylenediamine-dihydrochloride     N-phenyl-p-phenylenediamine    

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Valorisation of protein waste: An enzymatic approach to make commodity chemicals? ?

Madura B. A. Kumar, Yuan Gao, Wei Shen, Lizhong He

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 295-307 doi: 10.1007/s11705-015-1532-4

Abstract: provides a general overview on valorisation of protein waste and then further summarises the use of enzymesThe emerging opportunities and challenges in the field are discussed: engineering powerful enzymes and

Keywords： amino acids     protein waste     reactor     conversion     commodity chemicals     enzymes    

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Zinc homeostasis in the metabolic syndrome and diabetes

Xiao Miao, Weixia Sun, Yaowen Fu, Lining Miao, Lu Cai

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 31-52 doi: 10.1007/s11684-013-0251-9

Abstract: complications, thus, stem from the multiple roles of Zn: (1) a constructive component of many important enzymesor proteins, (2) a requirement for insulin storage and secretion, (3) a direct or indirect antioxidant

Keywords： zinc     zinc transporters     metallothionein     diabetes     diabetic complications     insulin resistance     antioxidant    

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Joint effects of Penta-BDE and heavy metals on

Baohua TANG, Lingyan ZHU, Qixing ZHOU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 99-110 doi: 10.1007/s11783-010-0260-8

Abstract: Results suggested that Pe-BDE, Cd, and Cu could induce different patterns of antioxidant enzyme responses, such as antioxidant/prooxidant responses, depending on their capability to produce reactive oxygenspecies and antioxidant enzymes to detoxify them.

Keywords： polybrominated diphenyl ethers (PBDEs)     heavy metal     mixture toxicity     toxic units (TUs)     antioxidant enzyme    

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EXTRACTION AND EVALUATION OF EDIBLE OIL FROM SCHIZOCHYTRIUM SP. USING AN AQUEOUS ENZYMATIC METHOD

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 623-634 doi: 10.15302/J-FASE -2021400

Abstract:

Schizochytrium sp., a marine microalga, is a potential source of edible oil due to its short growth cycle and rapid lipid accumulation, especially of docosahexaenoic acid. An approach to isolate edible microalgal oil from Schizochytrium sp. using aqueous enzymatic extraction (AEE) was developed. Parameters were optimized by single-factor experiments followed by Box-Behnken design. Proteases were effective in extracting oil. The maximum free oil recovery (49.7%±0.58%) and total oil recovery (68.1%±0.94%) were obtained under optimum conditions of liquid-to-solid ratio of 4.8:1, a 2.5% enzyme concentration of papain and an extraction time of 2.2 h. There was a significant difference (P<0.05) in polyunsaturated fatty acid composition between microalgal oil obtained by AEE and by Soxhlet extraction, with the former having superior physiochemical properties and higher concentrations of bioactive components including total phenolic compounds and total tocopherols. These findings indicate a potential application of AEE for extraction of oil from Schizochytrium sp.

 

Keywords： antioxidant activity / aqueous enzymatic extraction / edible microalgal oil / fatty acid composition    

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Single and joint effects of HHCB and cadmium on zebrafish (

Lei ZHANG, Jing AN, Qixing ZHOU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 360-372 doi: 10.1007/s11783-011-0353-z

Abstract: The index of the antioxidant enzyme system including superoxide dismutase (SOD) and peroxidase (POD),Joint effects on antioxidant enzymes depended more on the effect of single Cd in the first one or two

Keywords： 1     3     4     6     7     8-hexahydro-4     6     6     7     8     8-hexamethylcyclopenta-gamma-2-benzopyran (HHCB)     cadmium (Cd)     antioxidant    

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Title Author Date Type Operation

Effects of

Yuping ZHANG, Yanfei ZHOU, Xingxu ZHANG, Tingyu DUAN, Zhibiao NAN

Journal Article

Production of rhamnolipids-producing enzymes of

Kata Kiss,Wei Ting Ng,Qingxin Li

Journal Article

EMBRYOGENESIS ABUNDANT FAMILY GENE FROM PONCIRUS TRIFOLIATA, CONFERS ENHANCED DROUGHT TOLERANCE BY ENHANCING ANTIOXIDANT

Journal Article

Polyamines and antioxidant defense system are associated with cold tolerance in centipedegrass

Jingjing CHEN, Junyang FANG, Zhenfei GUO, Shaoyun LU

Journal Article

OVEREXPRESSION OF

Tonglu WEI, Dalong GUO, Jihong LIU

Journal Article

Expression profiles of genes and enzymes related to ascorbic acid metabolism in fruits of

Yingying CHEN,Zhihui ZHAO,Jin ZHAO,Mengjun LIU

Journal Article

Microbial biodegradation of plastics: Challenges, opportunities, and a critical perspective

Journal Article

Biodegradation and detoxification of the triphenylmethane dye coomassie brilliant blue by the extracellular enzymes

Jin Zhao, Qing-Xi Wu, Xiao-Du Cheng, Ting Su, Xiao-Hui Wang, Wen-Na Zhang, Yong-Ming Lu, Yan Chen

Journal Article

Antioxidant and antitumor effects and immunomodulatory activities of crude and purified polyphenol extract

Xiaohong Kou,Lihua Han,Xingyuan Li,Zhaohui Xue,Fengjuan Zhou

Journal Article

Inhibition of NO emission by adding antioxidant mixture in

A. PRABU,R. B. ANAND

Journal Article

Valorisation of protein waste: An enzymatic approach to make commodity chemicals? ?

Madura B. A. Kumar, Yuan Gao, Wei Shen, Lizhong He

Journal Article

Zinc homeostasis in the metabolic syndrome and diabetes

Xiao Miao, Weixia Sun, Yaowen Fu, Lining Miao, Lu Cai

Journal Article

Joint effects of Penta-BDE and heavy metals on

Baohua TANG, Lingyan ZHU, Qixing ZHOU

Journal Article

EXTRACTION AND EVALUATION OF EDIBLE OIL FROM SCHIZOCHYTRIUM SP. USING AN AQUEOUS ENZYMATIC METHOD

Journal Article

Single and joint effects of HHCB and cadmium on zebrafish (

Lei ZHANG, Jing AN, Qixing ZHOU

Journal Article