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Antioxidant and immunomodulatory properties of aqueous acetic acid macromolecular extract from Saccharina japonica holdfast and its effects on the caecal microbiota of mice fed a high-sucrose and low-fibre diet 高糖低纤维日粮小鼠盲肠菌群的影响及其对食糜乙酸大分子水提物的抗氧化和免疫调节作用
IF 1.9 Pub Date : 2023-03-22 DOI: 10.1016/j.fhfh.2023.100132
Gayang Lee , Takashi Kuda , Yuko Midorikawa , Makoto Nishizawa , Takashi Yamagishi , Ayaka Nakamura , Hajime Takahashi

A large quantity of Saccharina japonica holdfast (SjH) is discarded as an unused by-product of the cultivation process. In this study, we isolated a functional fucoidan extract (FE) from SjH as an aqueous acetic acid macromolecular (>3 kDa) fraction. The main compounds in FE were fucoidans and phenolic compounds (phlorotannins). FE demonstrated notable superoxide anion radical-scavenging capacity in vitro, promoted nitric oxide (NO) secretion in RAW264.7 cells in the absence of lipopolysaccharide (LPS) from E. coli O111, and exerted an inhibitory effect on NO secretion in the presence of LPS. Mice were fed a high-sucrose diet containing no fibre (NF), 0.5% FE (FL) or 1.0% FE (FH) for 14 days. Compared with that in the spleen tissue of NF group mice, pro-inflammatory cytokines such as interleukin (IL)-1β, IL-6, and tumour necrosis factor-α were suppressed in FL- and FH-fed mice. Interferon-γ was suppressed by FH. The caecal microbiota was analysed using 16S rDNA (V4) amplicon sequencing. Allobaculum- and Bacteroides acidifaciens–like bacteria were abundant in FL- and FH-fed mice. In contrast, the abundances of Desulfovibrionaceae, which are inflammation- and gut dysbiosis–related microbes, and Prevotellaceae-like bacteria were reduced in FH-fed mice. These results suggest that SjH FE is a functional food with antioxidant and immunomodulatory properties that correlates with beneficial gut microbiota composition.

大量的日本糖精(SjH)作为培养过程中未使用的副产品被丢弃。在本研究中,我们从SjH中分离出一种功能性褐藻糖胶提取物(FE),作为一种含水乙酸大分子(>;3kDa)级分。FE中的主要化合物是褐藻糖胶和酚类化合物(根皮藤素)。FE在体外表现出显著的超氧化物阴离子自由基清除能力,在大肠杆菌O111缺乏脂多糖(LPS)的情况下促进RAW264.7细胞的一氧化氮(NO)分泌,并在LPS存在的情况下对NO分泌产生抑制作用。给小鼠喂食不含纤维(NF)、0.5%FE(FL)或1.0%FE(FH)的高蔗糖饮食14天。与NF组小鼠的脾脏组织相比,FL和FH喂养的小鼠的促炎细胞因子如白细胞介素(IL)-1β、IL-6和肿瘤坏死因子-α受到抑制。FH对干扰素-γ有抑制作用。盲肠微生物群使用16S rDNA(V4)扩增子测序进行分析。异杆菌和类酸性拟杆菌在FL和FH喂养的小鼠中大量存在。相反,在FH喂养的小鼠中,脱硫弧菌科(与炎症和肠道微生态失调相关的微生物)和普雷沃菌科样细菌的丰度降低。这些结果表明,SjH FE是一种具有抗氧化和免疫调节特性的功能性食品,与有益的肠道微生物群组成相关。
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引用次数: 0
Valorization of surplus onion for the development and characterization of antioxidant-rich gummies 利用剩余洋葱开发和表征富含抗氧化剂的软糖
IF 1.9 Pub Date : 2023-03-21 DOI: 10.1016/j.fhfh.2023.100130
Krishnan Abinaya , Kumar Sharmila , Santhanvelayudham Priya , Marimuthu Ponmozhi , Radhakrishnan Linekha

Allium cepa is an herbaceous biennial plant cultivated for its edible bulb and the elementary ingredient in Indian cooking. The surplus onion presents a huge loss due to drying rotting, sprouting, fungal damage, etc. Formulating an onion gummy is a rich source of antioxidants that can promote healthy living and prevent diseases. Our study developed an antioxidant-rich gummy using red onion transforming its pungent taste using tamarind. The gummy samples were subjected to physicochemical analysis where the pH of the samples was in the range of 5.64 to 5.51, the moisture and sugar content ranged from 59.6 to 57.9 and 60.97 to 59.10 respectively, the texture properties of the gummy jelly showed hardness in the range from 571.81±0.2 to 378.26±0.9 g, chewiness from 1,819.1 ± 64.22 to 1,390.9 ± 56.7 g, adhesiveness from 57.4 ± 1.33 to 58.6 ± 1.55, and springiness from 48.78±0.2 to 40.73±0.4 and finally the chromaticity values (L*, a*, and b*) of gummy jelly were, lightness in the range from 7.78±0.08 to 5.83±0.08, redness from 3.39±0.10 to 0.54±0.08 and yellowness from 1.65±0.05 to 1.27±0.05. The antioxidant activity was analyzed using DPPH and ABTS radical scavenging activity and was in the range of 29.75 to 78.85% and 18 to 62% respectively. The sensory evaluation showed that buying intention was highly ranked followed by appearance, taste, flavor, overall preference, and texture. In this study, we conclude that the antioxidant-rich red onion gummy jelly (ROGJ) developed with potential antioxidant activity can be commercialized and could be a healthy substitute for commercial unhealthy gummy jellies.

洋葱是一种草本二年生植物,因其可食用的球茎和印度烹饪的基本成分而种植。剩余的洋葱因干燥、腐烂、发芽、真菌破坏等造成巨大损失。洋葱软糖含有丰富的抗氧化剂,可以促进健康生活,预防疾病。本研究开发了一种富含抗氧化剂的红洋葱胶,利用罗望子改变了红洋葱胶的刺鼻味道。橡皮糖样本进行理化分析,样本的pH值在5.64到5.51范围,水分和糖分含量范围分别从59.6到57.9和60.97到59.10,橡皮糖果冻的纹理属性显示硬度范围从571.81±0.2,378.26±0.9 g、咀嚼度从1819年。1 64.22±1390±56.7 g,从57.4±1.33,58.6±1.55,粘性和弹性48.78±0.2,40.73±0.4最后色度值(L *,软糖A *、b*的亮度范围为7.78±0.08 ~ 5.83±0.08,红度范围为3.39±0.10 ~ 0.54±0.08,黄度范围为1.65±0.05 ~ 1.27±0.05。通过对DPPH和ABTS自由基的清除活性分析,其抗氧化活性分别在29.75 ~ 78.85%和18 ~ 62%之间。感官评价显示,购买意向排名靠前,其次是外观、味道、味道、整体偏好和质地。本研究认为,开发的富含抗氧化剂的红洋葱果冻具有潜在的抗氧化活性,可以作为不健康的商业果冻的健康替代品。
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引用次数: 0
A review on recent advances of plant mucilages and their applications in food industry: Extraction, functional properties and health benefits 植物粘液及其在食品工业中的应用研究进展:提取、功能特性和健康益处
IF 1.9 Pub Date : 2023-03-18 DOI: 10.1016/j.fhfh.2023.100131
Hulya Cakmak , Hulya Ilyasoglu-Buyukkestelli , Ece Sogut , V. Hazal Ozyurt , Cansu Ekin Gumus-Bonacina , Sebnem Simsek

Plant mucilages have been used for many applications as stabilizers, emulsifiers, thickening or gelling agents, viscosity modifiers, encapsulating agents and food packaging materials (stand-alone films, coatings). In these studies, it has been reported that plant mucilages have potential to extend the shelf-life of food products when applied as coatings or packaging films by reducing the oxidative reactions, microbial spoilage. Besides, they exert required mechanical integrity, and/or barrier against water, and provide active properties as carriers of aroma compounds or antioxidant and antimicrobial agents. Along with their digestive health promoting activities, mucilages also can be used as a fat replacer to reduce the calorie of added food product. Acting as biopolymeric encapsulating agent, mucilages can protect antioxidant and antimicrobial compounds or retain viability of probiotic bacteria in gastrointestinal system with their controlled release properties.

This review shows an overview of literature concerning the chemistry, extraction and recent uses of seed mucilage in food industry including encapsulation, emulsion/stabilization, edible film or coating applications, as well as their possible health benefits or employement for drug delivery purposes.

植物粘液作为稳定剂、乳化剂、增稠剂或胶凝剂、粘度调节剂、封装剂和食品包装材料(独立薄膜、涂料)被广泛应用。在这些研究中,有报道称植物粘液作为涂层或包装薄膜,通过减少氧化反应和微生物腐败,有可能延长食品的保质期。此外,它们具有所需的机械完整性和/或防水屏障,并提供作为芳香化合物或抗氧化剂和抗菌剂载体的活性特性。除了具有促进消化系统健康的作用外,粘液还可以作为脂肪替代品来减少添加食品的热量。黏液作为生物高分子包封剂,具有保护抗氧化和抗菌化合物或保持胃肠道益生菌活力的作用。本文综述了种子粘液的化学、提取和在食品工业中的最新应用,包括封装、乳化/稳定、可食用薄膜或涂层应用,以及它们可能的健康益处或用于药物输送目的。
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引用次数: 8
Effects of hydrocolloids on the qualities of pureed banana inflorescences prepared for individuals with dysphagia 水胶体对为吞咽困难患者制备的香蕉果浆品质的影响
IF 1.9 Pub Date : 2023-03-15 DOI: 10.1016/j.fhfh.2023.100129
Chunkamol Panyayong , Khongsak Srikaeo

This research aimed to develop banana inflorescence purees and the recipes suitable for individuals with dysphagia. The effects of hydrocolloids (modified tapioca starch; MTS, gum acacia; GA, xanthan gum; XG, carboxymethyl cellulose; CMC, gelatin; GEL) and freeze-thaw cycles (first and second cycle) on the qualities of purees were investigated. Banana inflorescences served as a good choice for preparation of purees that complied to “Level 4 Pureed Food for Adults” as examined by the International Dysphagia Diet Standardization Initiative (IDDSI) methods. During the freeze-thaw cycles, the qualities of the purees degraded. The control sample (puree without hydrocolloid) failed the IDDSI tests when subjected to the second freeze-thaw cycle. Utilizing XG and CMC enhanced the quality and extended the shelf life. However, the effects of hydrocolloids were dependent on types and concentrations used. Some hydrocolloids, such as GA and GEL, have been discovered to be unsuitable. The recipes, including Massaman curry with chicken, Tom-yum soup, and galangal coconut soup with chicken, were successfully prepared from pureed banana inflorescences (with XG). All recipes adhered to the IDDSI guidelines for “Level 3 Liquidized Food for Adults”. The finding in this study demonstrated the balance between safety and palatability of purees specially prepared as dysphagia diets.

本研究旨在开发适合吞咽困难患者的香蕉果泥和配方。水胶体(改性木薯淀粉)的作用;MTS,相思胶;GA,黄原胶;XG:羧甲基纤维素;CMC,明胶;研究了凝胶(GEL)和冻融循环(第一次和第二次循环)对果泥质量的影响。香蕉花序是制备果泥的好选择,符合国际吞咽困难饮食标准化倡议(IDDSI)方法检验的“成人四级果泥食品”。在冻融循环过程中,果泥的质量下降。对照样品(不含水胶体的泥)在进行第二次冻融循环时未能通过IDDSI测试。使用XG和CMC提高了质量,延长了保质期。然而,水胶体的效果取决于所使用的类型和浓度。一些水胶体,如GA和GEL,已被发现是不合适的。这些食谱,包括马萨曼咖喱鸡肉、冬阴汤和高良姜鸡肉椰子汤,都是用香蕉蓉做成的(用XG)。所有食谱都遵循IDDSI“成人三级液化食品”指南。这项研究的发现证明了专门作为吞咽困难饮食制备的果泥的安全性和适口性之间的平衡。
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引用次数: 2
Developing dietary fiber moringa gum based ciprofloxacin encapsulated hydrogel wound dressings for better wound care 开发膳食纤维辣木胶基环丙沙星水凝胶伤口敷料,改善伤口护理
IF 1.9 Pub Date : 2023-03-02 DOI: 10.1016/j.fhfh.2023.100128
Baljit Singh , Ashima Sharma , Nistha Thakur , Rajesh Kumar

Keeping in view inherent wound healing potential of moringa gum (MG), in present research, it has been applied in development of hydrogel wound dressings encapsulated with antibiotic drug ciprofloxacin for better wound care .The copolymeric hydrogels were characterized by SEMs, AFM, FTIR, XRD, 13C NMR, TGA and DSC. SEM, AFM and XRD demonstrated porous morphology with rough surface having amorphous state of copolymers. Hydrogel dressings absorbed 7.71± 0.06 g/g simulated wound fluid to maintain moist wound surrounding. The diffusion of ciprofloxacin was non Fickian type from copolymer. They also exhibited mucoadhesive (3.15 ± 0.67 N s work of adhesion) and antioxidant (91.44 ± 2.89% scavenging in DPPH assay) properties. Dressings were permeable to H2O, O2 and impermeable to microbes. These characteristic properties of hydrogel dressings revealed that dietary fiber moringa gum could be applied as wound dressing materials for better wound health.

考虑到辣木胶(MG)固有的伤口愈合潜力,本研究将其应用于抗生素药物环丙沙星包封的水凝胶伤口敷料的开发,以提高伤口护理效果。采用sem、AFM、FTIR、XRD、13C NMR、TGA和DSC对共聚水凝胶进行了表征。SEM、AFM和XRD表征了共聚物的多孔形态,表面粗糙,具有非晶态。水凝胶敷料吸收7.71±0.06 g/g模拟创面液,保持创面周围湿润。环丙沙星在共聚物中的扩散为非菲克型。它们还具有黏附(3.15±0.67 N s)和抗氧化(91.44±2.89%的DPPH清除率)的特性。敷料对H2O、O2具有渗透性,对微生物具有不渗透性。这些特性表明,膳食纤维辣木胶可作为伤口敷料,改善伤口健康。
{"title":"Developing dietary fiber moringa gum based ciprofloxacin encapsulated hydrogel wound dressings for better wound care","authors":"Baljit Singh ,&nbsp;Ashima Sharma ,&nbsp;Nistha Thakur ,&nbsp;Rajesh Kumar","doi":"10.1016/j.fhfh.2023.100128","DOIUrl":"10.1016/j.fhfh.2023.100128","url":null,"abstract":"<div><p>Keeping in view inherent wound healing potential of moringa gum (MG), in present research, it has been applied in development of hydrogel wound dressings encapsulated with antibiotic drug ciprofloxacin for better wound care .The copolymeric hydrogels were characterized by SEMs, AFM, FTIR, XRD, <sup>13</sup>C NMR, TGA and DSC. SEM, AFM and XRD demonstrated porous morphology with rough surface having amorphous state of copolymers. Hydrogel dressings absorbed 7.71± 0.06 g/g simulated wound fluid to maintain moist wound surrounding. The diffusion of ciprofloxacin was non Fickian type from copolymer. They also exhibited mucoadhesive (3.15 ± 0.67 N s work of adhesion) and antioxidant (91.44 ± 2.89% scavenging in DPPH assay) properties. Dressings were permeable to H<sub>2</sub>O, O<sub>2</sub> and impermeable to microbes. These characteristic properties of hydrogel dressings revealed that dietary fiber moringa gum could be applied as wound dressing materials for better wound health.</p></div>","PeriodicalId":12385,"journal":{"name":"Food Hydrocolloids for Health","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2023-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47087346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Antioxidant and immunomodulatory properties of aqueous acetic acid macromolecular extract from Saccharina japonica holdfast and its effects on the cecal microbiota of mice fed a high-sucrose and low-fibre diet 日本糖精大分子乙酸水提取物的抗氧化和免疫调节特性及其对高糖低纤维日粮小鼠盲肠微生物群的影响
IF 1.9 Pub Date : 2023-03-01 DOI: 10.1016/j.fhfh.2023.100132
Ga-Soon Lee, T. Kuda, Yuko Midorikawa, M. Nishizawa, T. Yamagishi, Ayaka Nakamura, Hajime Takahashi
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引用次数: 0
Development and characterization of bimodal chrono modulated drug delivery of methylphenidate hydrochloride 盐酸哌醋甲酯双峰时调给药的研制与表征。
IF 1.9 Pub Date : 2023-02-22 DOI: 10.1016/j.fhfh.2023.100127
Rajasekhar Reddy Poonuru, Ashwini Penala

The study's goal was to develop chrono modulated pulsatile tablets of methylphenidate hydrochloride with an extended-release pattern in the morning and an immediate burst release in the afternoon for exaggerated symptoms of attention deficit hyperactivity disorder match the circadian rhythm of disease, where high levels of l-3, 4-dihydroxyphenylalanine (DOPA) are observed in the afternoon, necessitating higher drug concentrations. The core tablets were made with Kollidon CL-SF as a super disintegrant at 4% and 8% concentrations, with microcrystalline cellulose PH 102 (Pharma grade) and Ludipress as diluents.

The core tablets were then compress coated with a slow-release component blend containing different grades of hydroxypropyl methylcellulose (HPMC) at various concentrations of HPMC E50, HPMC E15M, or HPMC E4M, as well as 4% Ethocel. Among all formulations, the F10 formulation containing HPMC E50 at 70% showed the best drug release, with 60% of the dose released slowly over 4 h, followed by an immediate burst of the remaining 40% at the 5th hour. The effect of different diluents on in vitro drug release kinetics and in vitro dissolution studies were performed for all formulations, and A1 formulation containing Cellactose-80 as a diluent showed the best results, with results matching the circadian variations in the disease condition.

该研究的目标是开发时间调节的脉冲片剂盐酸哌醋甲酯,上午有缓释模式,下午有立即爆发释放,用于治疗注意缺陷多动障碍的夸大症状,与疾病的昼夜节律相匹配,下午观察到高水平的l- 3,4 -二羟基苯丙氨酸(DOPA),需要更高的药物浓度。以PH为102的微晶纤维素(制药级)和Ludipress为稀释液,以Kollidon CL-SF为超级崩解剂,浓度分别为4%和8%。然后用含有不同等级羟丙基甲基纤维素(HPMC)、不同浓度HPMC E50、HPMC E15M或HPMC E4M以及4%乙醇的缓释组分共混物对核心片进行压缩包膜。在所有制剂中,含70% HPMC E50的F10制剂释放效果最好,其中60%的剂量在4 h内缓慢释放,剩余40%的剂量在第5 h立即释放。对所有制剂进行了不同稀释剂对体外药物释放动力学和体外溶出度的影响研究,其中以纤维素糖-80为稀释剂的A1制剂效果最好,其结果与疾病状况的昼夜变化相吻合。
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引用次数: 0
In silico and in vitro assessment of yellowfin tuna skin (Thunnus albacares) hydrolysate antioxidation effect 黄鳍金枪鱼皮肤(Thunnus albacares)水解物抗氧化作用的体外和室内评价
IF 1.9 Pub Date : 2023-02-18 DOI: 10.1016/j.fhfh.2023.100126
Dian Wahyu Wardani , Andriati Ningrum , Manikharda , Nurul Vanidia , Heli Siti Helimatul Munawaroh , Eko Susanto , Pau-Loke Show

The protein hydrolysate that contains bioactive peptides of yellowfin tuna (Thunnus albacares) skin collagen with antioxidant activity has been successfully studied by using in silico and in vitro assays. We found that using the in silico assessment, the antioxidant peptides can be found from the precursor (type I α1 and α2 collagen of yellowfin tuna). Applying papain as a protease will also provide the greatest degree of hydrolysis for antioxidative peptides. The highest peptide rank peptides sequence such as Pro-Trp-Gly (PWG), Pro-His-Gly (PHG), His-Leu (HL), Ile-Arg (IR), Ala-His (AH), Glu-Leu (EL) that predicted using papain in silico. Molecular docking analysis showed all peptides derived from yellowfin tuna have hindered the substrate to access the active site of myeloperoxidase (MPO). Interestingly, the substitution of the amino acid from His (PHG, 7.1 kcal/mol) to Trp (PWG, 8.0 kcal/mol) has increased the affinity of the peptide towards MPO. They have antioxidative activities used in silico approach to MPO enzyme. We also confirm the in vitro assays for the protein hydrolysate after proteolysis using papain. The concentration and hydrolysis time will give influence the degree of hydrolysis, and antioxidant activities (P < 0.05). In conclusion, hydrolysate protein of type I α1 and α2 collagen from yellowfin tuna produced by papain hydrolysis has the potential to be used in food, active packaging material until health applications..

采用硅法和体外实验成功地研究了黄鳍金枪鱼皮肤胶原蛋白中含有抗氧化活性肽的蛋白水解产物。我们发现,通过计算机评价,可以从黄鳍金枪鱼的前体(α1和α2型胶原蛋白)中找到抗氧化肽。将木瓜蛋白酶作为蛋白酶也将为抗氧化肽提供最大程度的水解。利用木瓜蛋白酶预测的最高肽阶肽序列为Pro-Trp-Gly (PWG)、Pro-His-Gly (PHG)、His-Leu (HL)、Ile-Arg (IR)、Ala-His (AH)、Glu-Leu (EL)。分子对接分析表明,所有黄鳍金枪鱼衍生的肽都阻碍了底物进入髓过氧化物酶(MPO)活性位点。有趣的是,从His (PHG, 7.1 kcal/mol)到Trp (PWG, 8.0 kcal/mol)的氨基酸替换增加了肽对MPO的亲和力。它们具有抗氧化活性,用硅法对MPO酶进行了研究。我们还证实了木瓜蛋白酶水解后蛋白水解产物的体外测定。浓度和水解时间会给水解程度、抗氧化活性(P <0.05)。综上所述,木瓜蛋白酶水解黄鳍金枪鱼制备的ⅰ型α1和α2型胶原蛋白具有应用于食品、活性包装材料直至保健应用的潜力。
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引用次数: 4
Delivering β-carotene from O/W emulsion-based systems: Influence of phase ratio and carrier lipid composition 从O/W乳化体系输送β-胡萝卜素:相比和载体脂质组成的影响
IF 1.9 Pub Date : 2023-02-13 DOI: 10.1016/j.fhfh.2023.100125
Andresa Gomes , Ana Letícia Rodrigues Costa , Paulo José do Amaral Sobral , Rosiane Lopes Cunha

The functional performance of emulsified delivery systems depends on the nature of the ingredients, emulsifier type, bioactive compound, droplet volume fraction, and interfacial tension between the oil and aqueous phases. In this context, this study evaluated the effect of β-carotene incorporation in oil-in-water (O/W) emulsions with different volume fractions of the dispersed phase (20, 40 and 60%) assessing the characteristics and in vitro digestibility of these emulsions, using palm or sunflower oil as the oil phase. The presence of the bioactive compound did not influence the rheological behavior of the emulsions, which presented Newtonian fluid behavior. However, emulsions showed higher mean droplet size with adding β-carotene and increasing the O/W ratio. In general, systems with a higher O/W ratio (40:60 and 60:40) showed excellent kinetic stability due to the limitation of droplet movement caused by the high viscosity, regardless of the oil type. Overall, palm oil emulsions showed better characteristics as delivery systems, such as smaller droplet size, better stability, and less color change after 7 days of storage than sunflower oil emulsions. Furthermore, a higher release of free fatty acids from palm oil emulsions was observed, indicating a more significant action of lipase and bile salts at the droplet interface during in vitro digestion. However, sunflower oil emulsion showed a higher bioaccessibility of β-carotene than those incorporated in palm oil one since the fat crystal network inside the palm oil droplets slowed down the β-carotene diffusion from the droplet core to the interface during the digestion process.

乳化输送系统的功能性能取决于成分的性质、乳化剂类型、生物活性化合物、液滴体积分数以及油与水相之间的界面张力。在此背景下,本研究以棕榈油或葵花籽油为油相,评价了不同分散相体积分数(20%、40%和60%)的水包油(O/W)乳状液中β-胡萝卜素掺入的效果,评估了这些乳状液的特性和体外消化率。生物活性化合物的存在不影响乳液的流变行为,乳液表现为牛顿流体行为。但随着β-胡萝卜素的加入和油水比的增大,乳状液的平均液滴尺寸增大。总的来说,无论哪种油,高油水比(40:60和60:40)的体系都表现出优异的动力学稳定性,因为高粘度限制了液滴的运动。总体而言,棕榈油乳剂作为递送系统表现出比葵花籽油乳剂更小的液滴尺寸、更好的稳定性以及在储存7天后颜色变化更小的特性。此外,我们还观察到棕榈油乳剂中游离脂肪酸的释放量较高,这表明在体外消化过程中,脂肪酶和胆盐在液滴界面上的作用更为显著。然而,葵花籽油乳状液对β-胡萝卜素的生物可及性高于棕榈油乳状液,因为棕榈油滴内的脂肪晶体网络在消化过程中减缓了β-胡萝卜素从滴核向界面的扩散。
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引用次数: 3
Hydrogen-assisted facile synthesis of N,N,N-trimethyl chitosan stabilized zinc oxide nanoparticles and its influence on the quality of Solanum lycopersicum L 氢辅助合成N,N,N-三甲基壳聚糖稳定氧化锌纳米粒子及其对番茄品质的影响
IF 1.9 Pub Date : 2023-02-04 DOI: 10.1016/j.fhfh.2023.100124
Yakubu Adekunle Alli , Moyosoreoluwa Temitayo Ogunleye , Onome Ejeromedoghene , Sheriff Adewuyi , Jacob Goke Bodunde , Fall Balla , Olubunmi Kolawole Akiode , Peter Olusakin Oladoye , Kehinde Samson Oluwole , Sabu Thomas

The climacteric nature of tomatoes results in the rapid deterioration of the fruit which in turn reduces the shelf-life. Herein, the role of N,N,N-trimethyl chitosan zinc oxide nanoparticles (NTMC-ZnONPs) and the additive advantage in the quality and/or shelf-life extension of post-harvested tomato fruits was investigated. NTMC-ZnONPs was synthesized through green reduction of zinc salt in the presence of clean hydrogen gas and water-soluble N,N,N-Trimethyl chitosan as a stabilizing agent. The UV–Vis spectroscopic measurement shows that NTMC-ZnONPs exhibit a strong surface plasmon resonance at 360 nm which is true for ZnONPs. The detailed characterization of NTMC-ZnONPs confirmed the formation of ZnONPs with an average particle size of 37.6 nm. Furthermore, varied concentrations of NTMC-ZnONPs were applied by dipping unblemished tomato fruit in the solution of NTMC-ZnONPs for 60 s and thereafter stored in a plastic container. Physicochemical quality parameter data of the NTMC-ZnONPs-treated tomato fruit were collected, namely: color, total suspended solids (TSS), vitamin C, lycopene, pH, β-carotene, shelf life, and firmness. NTMC-ZnONPs were found to significantly improve the fruit firmness, color, β-carotene content, shelf-life, and taste of tomato fruit while the TSS was found to increase as ripening progresses. Therefore, this study ascertains the applicability and/or suitability of green NTMC-ZnONPs in the enhancement of fruit quality when coated with NTMC-ZnONPs during storage.

番茄的更年期特性导致果实迅速变质,从而缩短了保质期。本文研究了N,N,N-三甲基壳聚糖氧化锌纳米颗粒(NTMC-ZnONPs)在番茄采后果实品质和/或货架期延长中的作用及其添加剂优势。在清洁氢气存在下,以水溶性N,N,N-三甲基壳聚糖为稳定剂,对锌盐进行绿色还原,合成了NTMC-ZnONPs。紫外-可见光谱测量表明,NTMC-ZnONPs在360 nm处表现出强烈的表面等离子体共振,这与ZnONPs相同。对NTMC-ZnONPs的详细表征证实了ZnONPs的形成,其平均粒径为37.6 nm。此外,不同浓度的NTMC-ZnONPs将未受损的番茄果实浸泡在NTMC-ZnONPs溶液中60 s,然后在塑料容器中储存。采集ntmc - znonps处理后番茄果实的理化品质参数数据,即:颜色、总悬浮固体(TSS)、维生素C、番茄红素、pH、β-胡萝卜素、保质期和硬度。研究发现,NTMC-ZnONPs显著改善了番茄果实的硬度、颜色、β-胡萝卜素含量、保质期和味道,而TSS随着成熟的进展而增加。因此,本研究确定了绿色NTMC-ZnONPs在贮藏过程中涂覆NTMC-ZnONPs提高果实品质的适用性和适宜性。
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引用次数: 4
期刊
Food Hydrocolloids for Health
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