bioactivity

生物活性
  • 文章类型: Journal Article
    最近的研究主要集中在修饰不溶性膳食纤维(IDF)以增强其性能和功能的策略上。IDF是从各种廉价来源获得的,可以被操纵来改变其生物效应,使食品加工和营养革命成为可能。在这次审查中,对多种IDF改性技术进行了彻底的检查和讨论,特别强调由此产生的物理化学性质的变化,生物活动,和纤维的微观结构。提供了改性IDF在食品加工中的实际应用的广泛概述。我们的研究旨在提高人们对改良IDF带来的巨大可能性的认识,并鼓励在食品生产领域进一步探索和利用这一领域。
    Recent research has primarily focused on strategies for modifying insoluble dietary fiber (IDF) to enhance its performance and functionality. IDF is obtained from various inexpensive sources and can be manipulated to alter its biological effects, making it possible to revolutionize food processing and nutrition. In this review, multiple IDF modification techniques are thoroughly examined and discussed, with particular emphasis on the resulting changes in the physicochemical properties, biological activities, and microstructure of the fiber. An extensive overview of the practical applications of modified IDF in food processing is provided. Our study aims to raise awareness about the vast possibilities presented by modified IDF and encourage further exploration and utilization of this field in the realm of food production.
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  • 文章类型: Journal Article
    皮肤是身体的第一道屏障,时刻为抵御侵袭性病原体和环境压力而保持警惕。有害暴露的皮肤代谢变化,皮肤功能障碍和疾病。大量研究报道,从海藻中提取的多糖在治疗皮肤病方面表现出多维生物活性。然而,很少有文献系统地对它们进行评论。本文的目的是总结结构,藻多糖对皮肤的生物活性和结构-功能关系。藻类多糖显示抗氧化,免疫调节,水化调节,抗黑色素生成和细胞外基质(ECM)调节能力通过多路径方式在皮肤。这些生物活性由各种参数决定,包括海藻种类,分子量,单糖组成和取代基团。此外,还阐述了藻类衍生的多糖在皮肤护理和治疗中的潜在用途。藻类多糖是为皮肤提供抗衰老功效的制剂中的潜在成分。
    Skin is the first barrier of body which stands guard for defending aggressive pathogens and environmental pressures all the time. Cutaneous metabolism changes in harmful exposure, following with skin dysfunctions and diseases. Lots of researches have reported that polysaccharides extracted from seaweeds exhibited multidimensional bioactivities in dealing with skin disorder. However, few literature systematically reviews them. The aim of the present paper is to summarize structure, bioactivities and structure-function relationship of algal polysaccharides acting on skin. Algal polysaccharides show antioxidant, immunomodulating, hydration regulating, anti-melanogenesis and extracellular matrix (ECM) regulating abilities via multipath ways in skin. These bioactivities are determined by various parameters, including seaweed species, molecular weight, monosaccharides composition and substitute groups. In addition, potential usages of algae-derived polysaccharides in skin care and therapy are also elaborated. Algal polysaccharides are potential ingredients in formulation that providing anti-aging efficacy for skin.
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  • 文章类型: Journal Article
    人母乳的成分是婴儿身体健康发育所必需的物质的理想组合,同时保护免受病原体和微生物群的平衡发展。它的组成是动态的,并且随着孩子的年龄而变化,满足他们当前的需求。该研究提供了人乳成分的全面概述,如免疫学成分,生长因子,荷尔蒙,碳水化合物,脂质,矿物,和维生素。作者专注于捕捉这些物质对新生儿身体影响的最重要方面,同时还要寻找特定的连接并描述对给定系统的影响。还讨论了成分的补充和使用。本文的目的是介绍有关人乳的生物活性成分及其对生长的影响的知识现状,发展,和孩子的健康。
    The composition of human breast milk is an ideal combination of substances necessary for the healthy development of an infant\'s body while protecting from pathogens and the balanced development of the microbiota. Its composition is dynamic and changes with the age of the child, meeting their current needs. The study provides a thorough overview of human milk components, such as immunological components, growth factors, hormones, carbohydrates, lipids, minerals, and vitamins. Authors focus on capturing the most important aspects of the effects of these substances on a newborn\'s body, while also looking for specific connections and describing the effects on given systems. Supplementation and the use of ingredients are also discussed. The purpose of this paper is to present the current state of knowledge about the bioactive components of human milk and their impact on the growth, development, and health of the young child.
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  • 文章类型: Journal Article
    以制造更健康的产品为目标,食品制造公司寻找天然的营养保健品,可以潜在地改善食品系统的物理化学性质,同时对消费者有营养,并提供额外的健康益处(生物活性)。在这方面,芒果苷加入了所有这些需求,作为一种潜在的营养保健品,通常包含在芒果产品及其副产品中。不幸的是,知道芒果及其副产品的复杂化学成分,芒果苷的提取和纯化仍然是一个挑战。因此,这篇全面的综述修改了科学家提出的芒果苷提取和纯化的主要策略。重要的是,这篇评论指出,到目前为止,还没有报告对这一领域的文献进行审查和批评。我们的注意力集中在对初级提取技术的及时发现以及对分离和纯化的相关见解上。我们的讨论强调了拟议战略的优点和局限性,包括溶剂,提取条件和与目标黄原酮的关键相互作用。此外,在对文献进行分析后,我们报告了该领域目前的研究空白,以及含有芒果苷的功能性食品的一些例子。
    With the target of fabricating healthier products, food manufacturing companies look for natural-based nutraceuticals that can potentially improve the physicochemical properties of food systems while being nutritive to the consumer and providing additional health benefits (biological activities). In this regard, Mangiferin joins all these requirements as a potential nutraceutical, which is typically contained in Mangifera indica products and its by-products. Unfortunately, knowing the complex chemical composition of Mango and its by-products, the extraction and purification of Mangiferin remains a challenge. Therefore, this comprehensive review revises the main strategies proposed by scientists for the extraction and purification of Mangiferin. Importantly, this review identifies that there is no report reviewing and criticizing the literature in this field so far. Our attention has been targeted on the timely findings on the primary extraction techniques and the relevant insights into isolation and purification. Our discussion has emphasized the advantages and limitations of the proposed strategies, including solvents, extracting conditions and key interactions with the target xanthone. Additionally, we report the current research gaps in the field after analyzing the literature, as well as some examples of functional food products containing Mangiferin.
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  • 文章类型: Journal Article
    血蓝蛋白,一种氧转运蛋白,广泛分布在海洋节肢动物和软体动物的血淋巴中,在他们的生理过程中起着重要的作用。最近,血蓝蛋白已被认为是参与水生无脊椎动物免疫反应的多功能糖蛋白。因此,血蓝蛋白功能及其潜在应用之间的联系引起了越来越多的关注。这篇综述提供了血蓝蛋白结构的综合概述,物理化学特性,和生物活性,进一步促进海产品中血蓝蛋白的利用。具体来说,我们回顾了它在食品和水产养殖业两个方面的含义:质量和健康。血蓝蛋白的诱导型酚氧化酶活性被认为是甲壳类动物黑变病的诱导剂。需要探索新的靶向血蓝蛋白的抗黑变病药物。在虾壳中观察到的红色变化与血蓝蛋白有关,影响消费者偏好。血蓝蛋白响应于水生环境的适应性修饰可作为生物标志物。此外,血蓝蛋白具有抗微生物的生物活性,抗病毒,和治疗活动。血蓝蛋白也是一种新型变应原,其变应原特征仍未完全表征。
    Hemocyanin, an oxygen-transport protein, is widely distributed in the hemolymph of marine arthropods and mollusks, playing an important role in their physiological processes. Recently, hemocyanin has been recognized as a multifunctional glycoprotein involved in the immunological responses of aquatic invertebrates. Consequently, the link between hemocyanin functions and their potential applications has garnered increased attention. This review offers an integrated overview of hemocyanin\'s structure, physicochemical characteristics, and bioactivities to further promote the utilization of hemocyanin derived from marine products. Specifically, we review its implication in two aspects of food and aquaculture industries: quality and health. Hemocyanin\'s inducible phenoloxidase activity is thought to be an inducer of melanosis in crustaceans. New anti-melanosis agents targeted to hemocyanin need to be explored. The red-color change observed in shrimp shells is related to hemocyanin, affecting consumer preferences. Hemocyanin\'s adaptive modification in response to the aquatic environment is available as a biomarker. Additionally, hemocyanin is endowed with bioactivities encompassing anti-microbial, antiviral, and therapeutic activities. Hemocyanin is also a novel allergen and its allergenic features remain incompletely characterized.
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  • 文章类型: Journal Article
    壳聚糖,一种多功能的生物聚合物,由于具有突出的特性,在牙科种植学学科中获得了认可。这篇全面的综述探讨了壳聚糖在牙种植体中的潜力,专注于它的生物相容性,生物活性,以及已用于牙科种植治疗的各种基于壳聚糖的材料。该综述还强调了在牙科植入物中进行表面处理以增强骨整合和抑制细菌生物膜形成的重要性。此外,化学结构,属性,并描述了壳聚糖的来源,以及其不同的结构形式。壳聚糖的特点特别是颜色,分子量,粘度,讨论了脱乙酰度对其应用的影响。这篇综述为聚合壳聚糖在增强牙科植入物的成功和功能方面的有希望的利用提供了有价值的见解。这项研究强调了壳聚糖在口腔种植学中的潜在应用。壳聚糖具有各种有利的性质,包括粘膜粘附性,止血作用,生物相容性,生物降解性,生物活性,和抗菌和抗真菌活性,这增强了其在牙科种植中的用途。然而,它在生理pH下具有有限的水溶性,这有时会限制其生物学应用,但是这个问题可以通过使用改性壳聚糖或壳聚糖衍生物来克服,这也显示出令人鼓舞的结果。最近的研究表明,壳聚糖可能作为涂层钛基植入物的一种有前途的材料,改善骨整合与抗菌性能。
    Chitosan, a versatile biopolymer, has gained recognition in the discipline of dental implantology due to possessing salient properties. This comprehensive review explores the potential of chitosan in dental implants, focusing on its biocompatibility, bioactivity, and the various chitosan-based materials that have been utilized for dental implant therapy. The review also highlights the importance of surface treatment in dental implants to enhance osseointegration and inhibit bacterial biofilm formation. Additionally, the chemical structure, properties, and sources of chitosan are described, along with its different structural forms. The characteristics of chitosan particularly color, molecular weight, viscosity, and degree of deacetylation are discussed about their influence on its applications. This review provides valuable insights into the promising utilization of polymeric chitosan in enhancing the success and functionality of dental implants. This study highlights the potential applications of chitosan in oral implantology. Chitosan possesses various advantageous properties, including muco-adhesiveness, hemostatic action, biocompatibility, biodegradability, bioactivity, and antibacterial and antifungal activities, which enhance its uses in dental implantology. However, it has limited aqueous solubility at the physiological pH, which sometimes restricts its biological application, but this problem can be overcome by using modified chitosan or chitosan derivatives, which have also shown encouraging results. Recent research suggests that chitosan may act as a promising material for coating titanium-based implants, improving osteointegration together with antibacterial properties.
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  • 文章类型: Journal Article
    背景:Elsholtzia属于唇形科,由草本亚灌木和灌木组成。其中,挥发油是Elsholtzia的重要化学成分,具有各种生物活性药用和发育价值。
    方法:这篇综述中有关Elsholtzia挥发油的参考文献来自WebofScience,SciFinder,PubMed,威利,Elsevier,SpringLink,ACS出版物,谷歌学者,百度学者,Scopus,和CNKI。有关Elsholtzia的其他信息来自古典作品或古代书籍。
    结果:传统上,来自Elsholtzia的挥发油用于中药治疗霍乱,腹痛,呕吐,和分散的水肿。相关研究表明,Elsholtzia含有许多不同类型的挥发油,它们中的大多数都具有生物活性,包括抗氧化剂,抗菌,抗病毒,降血脂,杀虫,和抗炎活性,治疗脾胃。此外,本文对挥发油的应用进行了总结和分析。
    结论:传统使用的内容,成分分析,生物活性,本文综述了香菇挥发油的应用。这将为今后对Elsholtzia植物的深入研究提供重要的研究价值和科学依据。
    BACKGROUND: Elsholtzia belongs to the Labiatae family, which consists of herbaceous subshrubs and shrubs. Among them, volatile oils are an important chemical component in Elsholtzia, which have various bioactive medicinal and developmental values.
    METHODS: The references about volatile oils of Elsholtzia in this review were obtained from Web of Science, SciFinder, PubMed, Willy, Elsevier, SpringLink, ACS publications, Google Scholar, Baidu Scholar, Scopus, and CNKI. The other information about Elsholtzia was obtained from classical works or ancient books.
    RESULTS: Traditionally, the volatile oils from Elsholtzia were used in Chinese medicine to treat cholera, abdominal pain, vomiting, and scattered edema. Relevant research revealed that Elsholtzia contains many different types of volatile oils, and most of them display bioactivities, including anti-oxidant, anti-bacterial, anti-viral, hypolipidemic, insecticidal, and antiinflammatory activities, treating spleen and stomach. Furthermore, the applications of volatile oils were summarized and analyzed in this paper.
    CONCLUSIONS: The contents of traditional use, constituent analysis, bioactivity, and application of volatile oils from Elsholtzia were reviewed in this paper. This will provide important research value and a scientific basis for the in-depth study of the plants of Elsholtzia in the future.
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  • 文章类型: Journal Article
    微生物多糖(MPs)是微生物如细菌和真菌在其代谢过程中分泌的生物聚合物。与来自植物和动物的多糖相比,议员有优势,如来源广泛,生产效率高,对自然环境影响的敏感性较低。国会议员最吸引人的特征在于其多样化的生物活性,如抗氧化,抗肿瘤,抗菌,和免疫调节活动,它们在功能性食品中的巨大应用潜力,化妆品,和生物医学。这些生物活性由其复杂的分子结构精确调节。然而,这种精确监管背后的机制尚未完全理解并继续发展。本文对最具代表性的MPs物种进行了全面的综述,包括它们的发酵和纯化过程以及近年来的生物医学应用。特别是,这项工作提供了对MPs在多个分子水平上的结构-活性关系的深入分析。此外,这篇综述讨论了研究结构-活动关系的挑战和前景,为国会议员的广泛和高价值利用提供有价值的见解。
    Microbial polysaccharides (MPs) are biopolymers secreted by microorganisms such as bacteria and fungi during their metabolic processes. Compared to polysaccharides derived from plants and animals, MPs have advantages such as wide sources, high production efficiency, and less susceptibility to natural environmental influences. The most attractive feature of MPs lies in their diverse biological activities, such as antioxidative, anti-tumor, antibacterial, and immunomodulatory activities, which have demonstrated immense potential for applications in functional foods, cosmetics, and biomedicine. These bioactivities are precisely regulated by their sophisticated molecular structure. However, the mechanisms underlying this precise regulation are not yet fully understood and continue to evolve. This article presents a comprehensive review of the most representative species of MPs, including their fermentation and purification processes and their biomedical applications in recent years. In particular, this work presents an in-depth analysis into the structure-activity relationships of MPs across multiple molecular levels. Additionally, this review discusses the challenges and prospects of investigating the structure-activity relationships, providing valuable insights into the broad and high-value utilization of MPs.
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  • 文章类型: Journal Article
    背景:所有大陆的许多土著人民已将Cymbopon(禾本科科)植物用于各种目的。特别是,传统上,该属中的几乎所有物种都被用作治疗疾病的民间药物。传统的应用记录表明,Cymbopogon可能被广泛用于治疗感冒,头晕,头痛,食欲不振,腹痛,风湿病,腹泻,整个草的寒冷,喉咙痛,支气管炎和其他。
    目的:尽管有几项研究证实,金波根含有一系列活性成分,尚未进行任何审查以整合有关其传统用途的信息,植物化学,药理学,和/或质量控制。因此,本文旨在对传统用途进行全面的回顾,植物化学,药理学,栽培技术,经济效益,贸易,威胁,和未来的保护意义。它可以为这一重要植物群的未来发展和进一步调查提供信息数据。
    方法:整理了1992年至2023年与Cymbogon有关的传统医学书籍和民族医学出版物,以调查其民族植物学,植物化学和药理信息。包括谷歌学者在内的在线数据库,SciFinder,WebofScience,Scopus,SpringerLink,PubMed,威利,中国国家知识基础设施(CNKI),百度学者,并对万方数据库进行了筛选。
    结果:在全世界范围内都种植了Cymbopogon(禾本科或禾本科)植物。中医和其他药物系统认为,丁香具有缓解咳嗽的作用,镇痛,治疗头晕,外伤并能缓解腹痛。共有153个化合物,包括类黄酮,萜类化合物,通过植物化学研究从Cymbopon物种中分离或鉴定了脂肪酸和其他化合物。从Cymbopon中提取的提取物或化合物具有许多生物活性,例如抗菌,抗炎,抗病毒,抗肿瘤,抗心律失常,抗糖尿病和其他活性。香茅醛含量丰富,cymbopogon中发现的香茅醇和香叶醇也提供了显着的营养益处。
    结论:基于它们的传统用途,植物化学物质,和药理活性,丽香植物是潜在的药用和食用资源,具有多种药理作用。由于该组的各种优势,它们在食品和制药行业具有巨大的应用潜力,和畜牧业。其中,香茅对经济发展非常重要。未来的发展需要进一步的综合研究来评估Cymbopon物种的药用特性。
    BACKGROUND: Cymbopogon (Poaceae) plants have been used for various purposes by many indigenous peoples in all continents. In particular, almost all species in the genus have traditionally been used as folk medicine to treat ailments. Traditional application records indicated that Cymbopogon might be used extensively to treat cold, dizziness, headache, loss of appetite, abdominal pain, rheumatism, diarrhea, whole grass for cold, sore throat, tracheitis and others.
    OBJECTIVE: Despite several research confirmed that Cymbopogon includes a range of active components, no review has been undertaken to consolidate information on its traditional uses, phytochemistry, pharmacology, and/or quality control. Thus this article aims to update a comprehensive review about the traditional uses, phytochemistry, pharmacology, cultivation techniques, economic benefits, trade, threats, and future conservation implications of Cymbopogon species. It may provide informative data for future development and further investigation of this important plant group.
    METHODS: Traditional medicinal books and ethnomedicinal publications related to Cymbopogon from 1992 to 2023 were collated to investigate its ethnobotanical, phytochemical and pharmacological information. The online databases including Google Scholar, SciFinder, Web of Science, Scopus, Springer Link, PubMed, Wiley, China National Knowledge Infrastructure (CNKI), Baidu Scholar, and WanFang Database were screened.
    RESULTS: Cymbopogon (Gramineae or Poaceae) plants have been grown worldwide. Traditional Chinese medicine and other medicinal systems believes that Cymbopogon has the effect of relieve a cough, analgesia, treating dizziness, traumatic injury and can relieve abdominal pain. A total of 153 compounds, including flavonoids, terpenoids, fatty acid and other compounds were isolated or identified from Cymbopogon species by phytochemical studies. The extracts or compounds from Cymbopogon have exhibited numerous biological activities such as antibacterial, antiinflammatory, antiviral, antineoplastic, antiarrhythmic, antidiabetic and other activities. The rich contents of citronellal, citronellol and geraniol found in Cymbopogon also provide significant nutritional benefits.
    CONCLUSIONS: Based on their traditional uses, phytochemicals, and pharmacological activities, Cymbopogon plants are potential medicinal and edible resources with diverse pharmacological effects. Due to various advantages of this group, they possess huge application potential in food and pharmaceutical industries, and animal husbandry. Among them, citronella is very important in terms of economic development. Further comprehensive research to evaluate the medicinal properties of Cymbopogon species will be necessary for future development.
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  • 文章类型: Journal Article
    相对较小的弗兰肯科以盐生植物为代表,在干旱和半干旱气候中生长,碱性或钙质土壤。由于他们的生活条件,它们通常产生大量的化合物,经常表现出生物活性。该属的一些物种长期以来被用作治疗痢疾的传统草药,腹泻,淋病,阴道白带,呼吸道疾病和伤口。迄今为止,关于植物化学或药理学方面的几项研究,或者两者兼而有之,已经揭示了这个属是一个丰富的来源多样和新颖的生物活性化学物质,包括酚类物质,黄酮类化合物,生物碱和脂肪酸。这篇综述描述了所有报道的弗兰肯物种的化学概况,以及相应的生物学特性,可用时。这篇综述的目的是展示这些植物在各种应用中的潜力,尤其是治疗性的。
    The relatively small Frankeniaceae family is represented by halophyte plants, growing in arid and semi-arid climates in saline, alkaline or calcareous soils. Due to their living conditions, they usually produce a large diversity of compounds, which often exhibit bioactivities. Some species of this genus have long been used as traditional herbal medicines to treat dysentery, diarrhea, gonorrhea, vaginal leucorrhea, respiratory diseases and wounds. To date, several studies on either phytochemical or pharmacological aspects, or both, have revealed that this genus is a rich source of diverse and novel bioactive chemicals, including phenolics, flavonoids, alkaloids and fatty acids. This review describes all the reported chemical profiles of Frankenia species, as well as the corresponding biological properties, when available. The aim of this review is to show the potential of these plants for various applications, especially therapeutic ones.
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