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Xin Zhang,Minghao Fan,Yongkai Yuan,Jianjun Dong,Hua Yin,Yang He,Lei Mao,Dongfeng Wang,Junhong Yu 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.114 No.-
Fucoxanthin (FX) is a carotenoid with antioxidant, anti-obesity, anti-diabetic, anti-cancer and antibacterialactivities. It is poorly water soluble and highly sensitive to light, heat and the surrounding environment. Therefore, how to effectively encapsulate it and stabilize it for entry into the human body hasbecome a key research question at present. This study developed a single-carrier to encapsulate FX andshowed excellent characterization results. The experimental results showed that the diameters of FX-ZHparticles prepared by the four encapsulation processes ranged from 143.83 to 216.93 nm. Comparison ofantioxidant activity and stability to temperature and pH of the four complexes showed significant differences,with the best performance of the nanoparticles prepared using water-soluble method and a slowspeedstirrer. The nanocomplexes were proved to be more stable and more bioavailable, with a significant34.41% increase in FX content relative to free FX in the intestinal phase. Inhibition of human leukaemiacells HL-60 cells remained high, with 11.14% ± 6.03% inhibition at FX concentrations of 1 lg/mL. Thisstudy encapsulated FX based on colloidal nanoparticle systems for the first time using a single-carriermaterial, an innovation and breakthrough that could simplify the experimental steps and provide thenecessary basis for industrial realization.
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Liu Jianbai,Yi Jiequn,Wu Han,Lu Yinglin,Mao Yongkai,Lin Mingjiang,Li Jihu,An Yuxing 한국곤충학회 2022 Entomological Research Vol.52 No.9
Chilo sacchariphagus Bojeris is one of the most dangerous pests of sugarcane. The larvae damage the seedlings and stems of sugarcane and also harm sorghum, corn and other crops, which causes great economic losses to the sugar industry every year. Transcriptome sequencing and expression profile analysis of cytochrome P450 monooxygenase (CYP), carboxylesterase and glutathione S-transferase (GST) were carried out, which could provide a basis for drug resistance monitoring and drug resistance management of the pest. Unigenes of C. sacchariphagus were obtained by using the Illumina HiSeqTM 4,000 platform as 150 bp paired-end reads. A total of 173,013 unigenes were obtained after data assembly and redundancy removal. 28,330 unigenes were annotated based on multiple public databases, and the number of unigenes annotated by NR database was the largest. According to the transcriptome analysis, 214 candidate detoxification enzyme genes were identified, including 44 GSTs,138CYPs, and 32 CarEs. Phylogenetic analysis showed that the CYPs were mainly clustered in CYP4, CYP6, CYP9 and CYP12 subfamilies; CarEs mainly include antennal CarEs, venom CarEs and CarEs NOTUM; while the GSTs cluster mainly contains subfamilies such as delta, omega, epsilon, theta, zeta and sigma. In this study, transcriptome information of C. sacchariphagus was obtained, and genes related to detoxification were identified, which could provide data and a basis for the further study of detoxification and host plant adaptation mechanism of C. sacchariphagus.
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