Advanced biomass-based Janus materials: Classification, preparation and application: A review

Xu, Jingyu; Zhang, Mingyu; Shan, Yutong; Wang, Bo; Cao, Qiping; Xu, Shuangping; Qu, Yanqing; Jia, Hongge; Wang, Xing; Xiao, Ling-Ping

doi:10.1016/j.ijbiomac.2024.131085

Cited by 5 publications

(2 citation statements)

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“…The better mechanical properties, physicochemical properties, and bioactivities make lignin a great potential for various applications. 29 There are two main applications of lignin, 19 direct incorporation into matrices without chemical modification to enhance or introduce new properties and chemical modification to generate a wide range of chemicals, structural units, and polymers. Chemical modifications of lignin can be categorized into three main types: (a) degradation of lignin, (b) creation of new chemically active sites, and (c) modification of hydroxyl groups.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…The better mechanical properties, physicochemical properties, and bioactivities make lignin a great potential for various applications . There are two main applications of lignin, direct incorporation into matrices without chemical modification to enhance or introduce new properties and chemical modification to generate a wide range of chemicals, structural units, and polymers.…”

Section: Resultsmentioning

confidence: 99%

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Lipase-Responsive Lignin Composite Nanoparticles for the Delivery of Insoluble Bioactives

Bai,

Liu,

et al. 2024

Langmuir

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Low solubility and chemical instability are the main problems with insoluble bioactives. Lignin, with its exceptional biological properties and amphiphilicity, holds promise as a delivery system material. In this study, glycerol esters were incorporated into alkali lignin (AL) through ether and ester bonds, resulting in the successful synthesis of three hydrophobically modified alkali lignins (AL-OA, AL-OGL, and AL-SAN-OGL). Subsequently, lignin composite nanoparticles (LNPs@BC) encapsulating β-carotene were prepared using antisolvent and sonication techniques. The encapsulation rates were determined to be 37.69 ± 2.21%, 84.01 ± 5.55%, 83.82 ± 5.23%, and 83.11 ± 5.85% for LNP@BC-1, LNP@BC-2, LNP@BC-3, and LNP@BC-4, respectively, with AL, AL-OA, AL-OGL, and AL-SAN-OGL serving as the wall materials under optimized preparation conditions. The antioxidant properties and UV-absorbing capacity of the four lignins were characterized, demonstrating their efficacy in enhancing the oxygen and photostability of β-carotene. Following 6 h of UV irradiation, LNP@BC-4 exhibited a retention rate of 83.03 ± 2.85% for β-carotene, while storage under light-protected conditions at 25 °C for 7 days retained 73.33 ± 7.62% of β-carotene. Furthermore, the encapsulated β-carotene demonstrated enhanced thermal and storage stability. In vitro release experiments revealed superior stability of LNPs@BC in simulated gastric fluid (SGF), with β-carotene retention exceeding 77% in both LNP@BC-3 and LNP@BC-4. LNP@BC-4 exhibited the highest bioaccessibility in simulated intestinal fluid (SIF) at 46.96 ± 0.80%, that LNP@BC-1 only achieved 10.87 ± 0.90%. The enzymatic responsiveness of AL-OGL and AL-SAN-OGL was confirmed. Moreover, LNPs@BC exhibited no cytotoxicity toward L929 cells and demonstrated excellent hemocompatibility. In summary, this study introduces a novel enzyme-responsive modified lignin that has promising applications in the fields of food, biomedicine, and animal feed.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%