Polysaccharides,a class of complex macromolecules,are distinguished by their diverse biological functions and essential role in functional foods.The distinctive biological activities of polysaccharides from medicine a...Polysaccharides,a class of complex macromolecules,are distinguished by their diverse biological functions and essential role in functional foods.The distinctive biological activities of polysaccharides from medicine and food homology materials(MFPs),including immunomodulation,carbohydrate metabolism regulation,and lipid metabolism regulation properties,have attracted considerable scientific attention.The relationship between polysaccharides and gut microbiota is fundamental to human health,as polysaccharides demonstrate efficacy in ameliorating various conditions—from inflammatory bowel disease(IBD)to obesity and diabetes—through their influence on intestinal flora composition and diversity.Although polysaccharide research and applications show promise,significant challenges persist,particularly regarding extraction and purification methodologies,and the complete understanding of their biological mechanisms.Future investigations should prioritize understanding the correlation between polysaccharide structure and function,advancing large-scale production and application technologies,and establishing productive interdisciplinary collaborations.MFPs demonstrate significant potential for advancing sustainable development and human health,building upon current research findings.This paper presents a comprehensive review of global developments in the extraction,purification,structural characterization,biological activities,and applications of MFPs,emphasizing opportunities for scientific and technological innovations in specialized dietary food development.展开更多
In this work,a fast and efficient microwave-assisted extraction(MAE) method was developed to extract main bioactive alkaloids from lotus plumue.To optimize MAE conditions,three main factors were selected using univari...In this work,a fast and efficient microwave-assisted extraction(MAE) method was developed to extract main bioactive alkaloids from lotus plumue.To optimize MAE conditions,three main factors were selected using univariate approach experiments,and then central composite design(CCD).The optimal extraction conditions were as follows:methanol concentration of 65%,microwave power of 200 W,and extraction time of 260 s.A high performance liquid chromatography–diode array detector(HPLC–DAD) method was established to quantitatively analyze these phytochemicals in different lotus plumule samples and in different part of lotus.Chromatographic separation was carried out on an Agilent Zorbax Extend-C_(18) column(4.6 mm×150 mm,3.5 μm).Gradient elution was applied with the mobile phase constituted with 0.1% triethylamine in water(A)and acetonitrile(B):40%-70% B at 0-8 min,70%-100% B at 8–9 min,100% B for 2 min,and then equilibrated with 40% B for 2 min.展开更多
基金supported by the National Key R&D Program of China(No.2023YFF1104305)。
文摘Polysaccharides,a class of complex macromolecules,are distinguished by their diverse biological functions and essential role in functional foods.The distinctive biological activities of polysaccharides from medicine and food homology materials(MFPs),including immunomodulation,carbohydrate metabolism regulation,and lipid metabolism regulation properties,have attracted considerable scientific attention.The relationship between polysaccharides and gut microbiota is fundamental to human health,as polysaccharides demonstrate efficacy in ameliorating various conditions—from inflammatory bowel disease(IBD)to obesity and diabetes—through their influence on intestinal flora composition and diversity.Although polysaccharide research and applications show promise,significant challenges persist,particularly regarding extraction and purification methodologies,and the complete understanding of their biological mechanisms.Future investigations should prioritize understanding the correlation between polysaccharide structure and function,advancing large-scale production and application technologies,and establishing productive interdisciplinary collaborations.MFPs demonstrate significant potential for advancing sustainable development and human health,building upon current research findings.This paper presents a comprehensive review of global developments in the extraction,purification,structural characterization,biological activities,and applications of MFPs,emphasizing opportunities for scientific and technological innovations in specialized dietary food development.
基金partially supported by grants from the Science and Technology Development Fund of Macao(FDCT059/2011/A3)the University of Macao(MYRG085 to Jing Zhao and MYRG201400041 to LSP,respectively)
文摘In this work,a fast and efficient microwave-assisted extraction(MAE) method was developed to extract main bioactive alkaloids from lotus plumue.To optimize MAE conditions,three main factors were selected using univariate approach experiments,and then central composite design(CCD).The optimal extraction conditions were as follows:methanol concentration of 65%,microwave power of 200 W,and extraction time of 260 s.A high performance liquid chromatography–diode array detector(HPLC–DAD) method was established to quantitatively analyze these phytochemicals in different lotus plumule samples and in different part of lotus.Chromatographic separation was carried out on an Agilent Zorbax Extend-C_(18) column(4.6 mm×150 mm,3.5 μm).Gradient elution was applied with the mobile phase constituted with 0.1% triethylamine in water(A)and acetonitrile(B):40%-70% B at 0-8 min,70%-100% B at 8–9 min,100% B for 2 min,and then equilibrated with 40% B for 2 min.
