Food Biophysics最新文献

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Identification of Potential α-Glucosidase Inhibitors from American Ginseng Processed Products by UHPLC-Q-Orbitrap/MS and Molecular Docking 通过超高效液相色谱-Q-轨道rap/质谱和分子对接鉴定西洋参加工产品中潜在的 α-葡萄糖苷酶抑制剂
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-18 DOI: 10.1007/s11483-024-09860-8
Liwen Liang, Xiaokang Liu, Juan Shao, Jiaqi Shen, Youzhen Yao, Xin Huang, Guangzhi Cai, Yunlong Guo, Jiyu Gong
{"title":"Identification of Potential α-Glucosidase Inhibitors from American Ginseng Processed Products by UHPLC-Q-Orbitrap/MS and Molecular Docking","authors":"Liwen Liang,&nbsp;Xiaokang Liu,&nbsp;Juan Shao,&nbsp;Jiaqi Shen,&nbsp;Youzhen Yao,&nbsp;Xin Huang,&nbsp;Guangzhi Cai,&nbsp;Yunlong Guo,&nbsp;Jiyu Gong","doi":"10.1007/s11483-024-09860-8","DOIUrl":"10.1007/s11483-024-09860-8","url":null,"abstract":"<div><p>The traditional herb American ginseng (<i>Panax quinquefolium</i> L.) can be processed into two common products: dried American ginseng (DAG) and red American ginseng (RAG), which have well-established hypoglycemic activity, making it a functional food as well. However, the mechanism by which the main active ingredients inhibit α-glucosidase, a crucial target for hypoglycemic drugs, remains unclear. In this research, we employed ultra-high-performance liquid chromatography coupled with quadrupole orbitrap mass spectrometry (UHPLC-Q-Orbitrap/MS) to analyze the chemical composition of ethanol extracts of dried American ginseng (EDAG) and red American ginseng (ERAG). Subsequent in vitro experiments were conducted to assess the α-glucosidase inhibitory activity of EDAG and ERAG. Comparative enzymatic kinetics analyses were performed as well. Molecular docking analysis revealed the interaction between the differential saponins and α-glucosidase, further validated through verification experiments. Among the total 47 identified saponins, 9 were characterized by OPLS-DA as differentially expressed between EDAG and ERAG. Notably, ERAG exhibited more robust α-glucosidase inhibitory activity than EDAG. Enzyme inhibition kinetics revealed that both products displayed reversible mixed-type inhibition on α-glucosidase, suggesting their inhibitory effects are associated with saponin composition. Molecular docking studies demonstrated that all 9 differential saponins exhibited inhibitory effects on α-glucosidase. Verification studies substantiated ginsenosides like Rb<sub>1</sub>, Rd, and others as inhibitors of α-glucosidase. These findings contribute to a more comprehensive understanding of processed American ginseng and provide valuable insights for developing glucose-lowering functional foods.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"688 - 700"},"PeriodicalIF":2.8,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141529541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of Germination Treatment and Quinoa Variety on the Physicochemical and Rheological Properties of Wheat Dough 发芽处理和藜麦品种对小麦面团理化和流变特性的影响
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-15 DOI: 10.1007/s11483-024-09856-4
Luciano Martín Guardianelli, María V. Salinas, María C. Puppo
{"title":"Impact of Germination Treatment and Quinoa Variety on the Physicochemical and Rheological Properties of Wheat Dough","authors":"Luciano Martín Guardianelli,&nbsp;María V. Salinas,&nbsp;María C. Puppo","doi":"10.1007/s11483-024-09856-4","DOIUrl":"10.1007/s11483-024-09856-4","url":null,"abstract":"<div><p>The objective of this study was to analyze wheat dough blended with two varieties of quinoa flour (white-WQ, red-RQ), both germinated and non-germinated, to predict the technological behavior of the dough during the breadmaking process. Blends with wheat flour with quinoa flour: germinated (WQG or RQG) and ungerminated (WQ or RQ), at different levels (up to 25%) were formulated. Farinographic parameters and wet and dry gluten content were determined. Additionally, hydration (moisture, water activity, molecular mobility) and rheological (texture, relaxation) properties of the dough were assessed. Fermentation parameters (maximum volume of fermented dough-DV<sub>max</sub> and optimum fermentation time-t<sub>f</sub>) were determined. Dough properties were modified by the addition of quinoa: wheat dough with 25% quinoa flour resulted in lower gluten content and a less structured dough with high moisture. The elasticity and hardness of the dough were higher with 25% germinated quinoa (WQG25 and RQG25). The adhesiveness of the dough depended on the variety and treatment, with RQG being more adhesive. Incorporating 25% quinoa flour of both varieties allowed a fast fermentation (shorter time) but with different kinetic. Although there were no differences between WQ25 and WQG25, RQG25 dough was more stable compared to RQ25.Overall, satisfactory dough technological properties for baked goods production were observed for wheat dough containing up to 25% quinoa flour, independently if seeds were or were not previously germinated.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"598 - 608"},"PeriodicalIF":2.8,"publicationDate":"2024-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11483-024-09856-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141336294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Delivery of Curcumin Using Colloidal Complexes Formed from Ammonium Chitosan and Acid Treated Soybean Protein 利用壳聚糖铵和酸处理大豆蛋白形成的胶体复合物输送姜黄素
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-12 DOI: 10.1007/s11483-024-09855-5
Shuni Weng, Huanhuan Su, David Julian McClements, Yuting Wang, Teng Li, Yuying Fu
{"title":"Delivery of Curcumin Using Colloidal Complexes Formed from Ammonium Chitosan and Acid Treated Soybean Protein","authors":"Shuni Weng,&nbsp;Huanhuan Su,&nbsp;David Julian McClements,&nbsp;Yuting Wang,&nbsp;Teng Li,&nbsp;Yuying Fu","doi":"10.1007/s11483-024-09855-5","DOIUrl":"10.1007/s11483-024-09855-5","url":null,"abstract":"<div><p>Curcumin (CUR) is found to exhibit a broad spectrum of potentially beneficial biological activities, which make it suitable as a nutraceutical ingredient in functional foods and supplements. But its application for this purpose is often limited by its low water-solubility, chemical stability, and bioavailability. In this study, acid-treated soybean protein isolate (SPI) and chitosan quaternary ammonium salt (CQAS) were used to assemble colloidal carriers for CUR to form soybean protein isolate-curcumin-chitosan quaternary ammonium salt nanoparticles (SPI-CUR-CQAS NPs). The nanoparticles formed were relatively small (&lt; 400 nm), approximately spherical, and strongly positively charged (&gt; 45 mV). Fluorescence spectroscopy demonstrated that the dominant interaction between CUR and SPI was hydrophobic attraction, while the dominant interaction between CQAS and SPI was electrostatic attraction. The encapsulation efficiency (95.4%) and loading capacity (14%) of the SPI-CUR-CQAS NPs (pH 1.5) were relatively high. The vitro digestion experiments showed that the CUR was progressively released from the nanoparticles under stomach, small intestine, and colon conditions. Moreover, the final bioavailability of the encapsulated CUR (63%) was much higher than for free CUR (18.5%). The SPI-CQAS NPs developed in this study can therefore be used as an effective delivery system for CUR in functional foods.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"676 - 687"},"PeriodicalIF":2.8,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11483-024-09855-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141352696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of the Addition of Spirulina spp. on the Quality Properties, Health Benefits, and Sensory Evaluation of Green Tea Kombucha 添加螺旋藻对绿茶昆布茶质量特性、健康益处和感官评价的影响
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-10 DOI: 10.1007/s11483-024-09857-3
Hoai-Hieu Vo, Kim-Diep Tran, Loan Le-Thi, Ngoc-Nhi Nguyen-Thi, Tu Nguyen-Van, Thanh-Vy Dinh-Thi, The-Anh Pham, Tam Nguyen-Thi, Tu Vu-Thi
{"title":"The Effect of the Addition of Spirulina spp. on the Quality Properties, Health Benefits, and Sensory Evaluation of Green Tea Kombucha","authors":"Hoai-Hieu Vo,&nbsp;Kim-Diep Tran,&nbsp;Loan Le-Thi,&nbsp;Ngoc-Nhi Nguyen-Thi,&nbsp;Tu Nguyen-Van,&nbsp;Thanh-Vy Dinh-Thi,&nbsp;The-Anh Pham,&nbsp;Tam Nguyen-Thi,&nbsp;Tu Vu-Thi","doi":"10.1007/s11483-024-09857-3","DOIUrl":"10.1007/s11483-024-09857-3","url":null,"abstract":"<div><p>Kombucha is a beverage that is gradually becoming popular worldwide because of its health benefits. The addition of <i>Spirulina</i> spp., a biomass abundant in nutrients and bioactive compounds, improved the quality properties, health benefits, and sensory evaluation of green tea kombucha products. The findings indicate that the original <i>Spirulina</i> spp. powder promoted the proliferation of advantageous microbes in SCOBY at the optimal time after the 12 fermented days. Therefore, improving the physiochemical and biochemical characteristics of the final kombucha product. The maximum concentration of total titratable acid, protein, phenolic, and flavonoid compounds is achieved with the addition of 0.6% <i>Spirulina</i> spp. powder. The addition of <i>Spirulina</i> at the 0.8% ratio not only reached the highest number of useful microbes but also provided better health benefits, including antioxidant, antibacterial, proteolytic, and lipolytic activities. However, the result of the sensory evaluation showed the green tea kombucha with 0.6% <i>Spirulina</i> spp. is rated higher in gustatory, tactile, and overall. These promising results confirmed that kombucha green tea with <i>Spirulina</i> spp. might become a potential functional beverage that satisfies consumer demand for healthy fermented products made from non-animal resources.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 4","pages":"911 - 922"},"PeriodicalIF":2.8,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141364779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physical, colour, and mechanical properties of pearls (citrus caviar) from three finger lime (Citrus australasica) varieties: Implications for economic value, quality grading, and benchmarking 三个指柠檬(Citrus australasica)品种的珍珠(柑橘鱼子酱)的物理、颜色和机械特性:对经济价值、质量分级和基准的影响
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-07 DOI: 10.1007/s11483-024-09848-4
Joseph Robert Nastasi, Keely Rose Perry, Joel Andrew Abbott, Jade Mia King, Eleanor W. Hoffman
{"title":"Physical, colour, and mechanical properties of pearls (citrus caviar) from three finger lime (Citrus australasica) varieties: Implications for economic value, quality grading, and benchmarking","authors":"Joseph Robert Nastasi,&nbsp;Keely Rose Perry,&nbsp;Joel Andrew Abbott,&nbsp;Jade Mia King,&nbsp;Eleanor W. Hoffman","doi":"10.1007/s11483-024-09848-4","DOIUrl":"10.1007/s11483-024-09848-4","url":null,"abstract":"<div><p><i>Citrus australasica</i>, the Australian finger lime or caviar lime have garnered interest both in culinary and scientific communities. Despite extensive studies on their metabolomic and volatilomic profiles, research on the physical properties of finger lime pearls, especially their diameter, colour, and mechanical properties, remains limited. Understanding these attributes is crucial for quality assessment, consumer preference, and marketability in the food industry. This study aims to investigate the diameter, visual appearance, and mechanical properties of finger lime pearls from three different varieties (‘Champagne Red’, ‘Emerald’, and ‘Chartreuse’), comparing them with similar foods and assessing their implications for culinary use and market value. Colour properties were analysed using the CIELAB system, and mechanical properties were assessed through texture analysis, focusing on bursting strength and strain. Finger lime pearl diameters ranged between 1.62 and 3.60 mm, aligning with sizes of comparative foods. Colour analysis revealed distinct differences among varieties. Mechanical properties, particularly bursting strength, and strain, varied significantly across varieties, with ‘Champagne Red’ and ‘Chartreuse’ showing higher bursting strengths. These properties suggest different culinary applications and potential for a grading system based on sensory experience. The study highlights the importance of physical and mechanical properties in determining the quality and marketability of finger lime pearls. It introduces a novel framework for assessing these attributes, suggesting that finger lime varieties can be differentiated and graded for culinary use based on pearl diameter, colour, and mechanical properties. This research lays the groundwork for future sensory-based studies and the development of quality grading systems for finger limes.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"784 - 794"},"PeriodicalIF":2.8,"publicationDate":"2024-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11483-024-09848-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141373552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Iron/zinc Alginates as Vehicles for Food Fortification with Enhanced Stability in Polyphenol-Rich Foods 作为食品强化剂载体的铁/锌藻酸盐可增强富含多酚食品的稳定性
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-05 DOI: 10.1007/s11483-024-09854-6
Jesper T.N. Knijnenburg, Neni Zulfa Nengsih, Pornnapa Kasemsiri, Prinya Chindaprasirt, Michael B. Zimmermann, Kaewta Jetsrisuparb
{"title":"Iron/zinc Alginates as Vehicles for Food Fortification with Enhanced Stability in Polyphenol-Rich Foods","authors":"Jesper T.N. Knijnenburg,&nbsp;Neni Zulfa Nengsih,&nbsp;Pornnapa Kasemsiri,&nbsp;Prinya Chindaprasirt,&nbsp;Michael B. Zimmermann,&nbsp;Kaewta Jetsrisuparb","doi":"10.1007/s11483-024-09854-6","DOIUrl":"10.1007/s11483-024-09854-6","url":null,"abstract":"<div><p>Food fortification with iron (Fe) and zinc (Zn) can effectively reduce deficiencies of these important micronutrients, but the reactivity of bioavailable Fe compounds in foods remains a challenge. Here, this problem was tackled by binding water-soluble Fe<sup>3+</sup> and Zn<sup>2+</sup> sources to alginate by ionotropic gelation, resulting in the formation of mixed Fe/Zn alginate beads. The dry beads were 0.8–1.4 mm in diameter and had Fe and Zn contents of up to 143 mg/g. Fourier transform infrared (FTIR) spectroscopy confirmed the successful binding of Fe<sup>3+</sup> and Zn<sup>2+</sup> with the carboxylic acid groups of alginate with preferential binding of Fe<sup>3+</sup> over Zn<sup>2+</sup>. When added to difficult-to-fortify polyphenol-rich foods, the Fe alginate beads caused smaller color changes than water-soluble Fe sources, confirming that binding Fe<sup>3+</sup> to alginate reduced its reactivity and improved its stability. Adding increasing amounts of Zn into the beads further improved color stability as evidenced by the lower ΔE values. The in vitro Fe solubility was 75–90% within 120 min at pH 1.0, independent of the Zn content, suggesting that the Fe from these structures is released in the stomach and available for absorption in the intestine. Their improved stability may make these Fe/Zn alginates attractive dual fortificants for difficult-to-fortify foods.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"665 - 675"},"PeriodicalIF":2.8,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11483-024-09854-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141254153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Soaking Process of a ready-to-eat rice of Assam (Komal Chaul): A Mechanistic and a Machine Learning Based Approach for spectra-based Estimation of Endpoint 阿萨姆邦即食大米(Komal Chaul)的浸泡过程研究:基于光谱估计终点的机理和机器学习方法
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-05 DOI: 10.1007/s11483-024-09852-8
Shagufta Rizwana, Manuj Kumar Hazarika
{"title":"Study of the Soaking Process of a ready-to-eat rice of Assam (Komal Chaul): A Mechanistic and a Machine Learning Based Approach for spectra-based Estimation of Endpoint","authors":"Shagufta Rizwana,&nbsp;Manuj Kumar Hazarika","doi":"10.1007/s11483-024-09852-8","DOIUrl":"10.1007/s11483-024-09852-8","url":null,"abstract":"<div><p>This research article focuses on two approaches to study the hydration behavior of a low amylose rice of Assam for the manufacture of a no-cooking rice known as Komal Chaul. Fick’s second law was used to study the diffusion of water during the soaking of brown Chokuwa rice. A machine learning (ML) approach to calibrate NIR spectral data with moisture values. ML models like PCR, and PLS were used for regression, and classification models like Logistic Regression, Linear Discriminant Analysis, K-Nearest Neighbors, Classification and Regression Tree, Naïve Bayes, Support Vector Machines, and Random Forest Classifiers were used. The concentration-dependent diffusion coefficients as estimated by applying Fick’s model were found to lie within the range of 2.83 ×10-11 m2/s - 7.92 ×10-11 m2/s. The ML regression models didn’t work well however, the spectral data endpoint classification on a target moisture value of 30% during soaking showed that the Random Forest (RF) classifier predicted the best with classification accuracy close to 0.90. Mechanistic models help us understand the physical phenomenon and the advancement of numerical tools and concepts of digital twins for process operations have led to the use of a sensor-based approach.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"771 - 783"},"PeriodicalIF":2.8,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141253956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lyotropic Liquid Crystals of Palm Oils-Based Monoacylglycerols and Their Applications in Encapsulating Gac Fruit Oils 棕榈油基单酰甘油的 Lyotropic 液晶晶体及其在封装加克果油中的应用
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-04 DOI: 10.1007/s11483-024-09853-7
Viet Nguyen, Tung Diep, Trinh Phung, Phuong Nguyen, Vinh Truong
{"title":"Lyotropic Liquid Crystals of Palm Oils-Based Monoacylglycerols and Their Applications in Encapsulating Gac Fruit Oils","authors":"Viet Nguyen,&nbsp;Tung Diep,&nbsp;Trinh Phung,&nbsp;Phuong Nguyen,&nbsp;Vinh Truong","doi":"10.1007/s11483-024-09853-7","DOIUrl":"10.1007/s11483-024-09853-7","url":null,"abstract":"<div><p>This study demonstrated a novel technique for encapsulating β-carotene from Gac fruit oil using lyotropic liquid crystals (LLCs) made of palm oils-based monoacylglycerols (MAGs). The LLC dispersions were formulated by homogenizing distilled and non-distilled MAGs/water mixtures (20, 40 and 60% MAGs, w/w) into Pluronic solution (2%, w/w). Dynamic light scattering technology, differential scanning calorimetry and scanning electron microscopy were applied to characterize physicochemical properties of dispersions and encapsulated powders. Obtained results showed that LLC dispersions made of distilled MAGs showed a unimodal distribution with nanoparticles size (&lt; 1 μm) whereas, samples made of non-distilled MAGs showed a bimodal distribution including both nano and micro-particles. Encapsulated powders had a melting range of 50–70 °C and the polymorphic transformation from the amorphous phase to the crystalline phase tended to increase when adding more lipid components to MAGs/water mixtures. β-carotene had been successfully entrapped by LLCs with a high yield (&gt; 80%) and the degradation of encapsulated β-carotene after four storage weeks was 10–50%. The best protection effect was achieved when using wall-materials possessing 40% distilled MAGs or 60% non-distilled MAGs.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"577 - 584"},"PeriodicalIF":2.8,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11483-024-09853-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141253779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Physicochemical and Antioxidant Characteristics of a p-Coumaric Acid-Epigallocatechin Gallate-Chitosan Tyrosinase Inhibitor 对香豆酸-表没食子儿茶素没食子酸酯-壳聚糖酪氨酸酶抑制剂的理化和抗氧化特性
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-06-03 DOI: 10.1007/s11483-024-09849-3
Yaru Qian, Yuhang Ren, Xiaofang Cheng, Chengwang Chen, Heping Liu, Cheng Zhang, Zhuanglei Yin, Min Chen, Shuangling Zhang
{"title":"The Physicochemical and Antioxidant Characteristics of a p-Coumaric Acid-Epigallocatechin Gallate-Chitosan Tyrosinase Inhibitor","authors":"Yaru Qian,&nbsp;Yuhang Ren,&nbsp;Xiaofang Cheng,&nbsp;Chengwang Chen,&nbsp;Heping Liu,&nbsp;Cheng Zhang,&nbsp;Zhuanglei Yin,&nbsp;Min Chen,&nbsp;Shuangling Zhang","doi":"10.1007/s11483-024-09849-3","DOIUrl":"10.1007/s11483-024-09849-3","url":null,"abstract":"<div><p>As a novel tyrosinase inhibitor, p-CSPs-EGCG was prepared by grafting p-coumaric acid (p-CA) and epigallocatechin-3-gallate (EGCG) onto chitosan particles (CSPs). Its physicochemical and structural characteristics were identified using scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR). Its functional properties–antioxidant activity (2, 2′-azinobis-[3-ethylbenzothiazoline-6-sulfonicacid] [ABTS], 1-Diphenyl-2-picryl-hydrazyl [DPPH]), and tyrosinase inhibition rate were investigated. SEM showed that the spherical particle size of p-CSPs-EGCG was about 100 nm when the mass ratio of p-CSPs to EGCG was 1:2. FTIR showed that the amide of the CSPs had shifted from 1545 to 1567 cm<sup>− 1</sup> (p-CSPs), indicating that p-CA’ –COOH reacted with the CSPs’ NH<sub>2</sub>. The appearance of a new peak at 2978–2895 cm<sup>− 1</sup> in the FTIR spectrum of p-CSPs-EGCG signified that the successful reaction of EGCG’s –OH with p-CSPs’ NH<sub>2</sub>. p-CSPs-EGCG showed better antioxidant activity (ABTS, 80.6%; DPPH, 81.5%) than the CSPs and p-CSPs, especially given that it had higher antioxidant stability than p-CA and EGCG after 7 d’s storage, with p-CA differentially decreased to 13.7% (ABTS) and EGCG to 18.8% (ABTS), while p-CSPs-EGCG barely decreased. Moreover, p-CSPs-EGCG showed stronger tyrosinase inhibition (54.1%) than the CSPs and the p-CSPs and more stable characteristics than p-CA and EGCG after 7 d’s storage, with p-CA differentially decreased by 9.80% and EGCG by 16.1%, while p-CSPs-EGCG decreased by only 3.10%. It was found that prepared p-CSPs-EGCG is a reliable tyrosinase inhibitor in fresh-cut fruits and vegetables.</p></div>","PeriodicalId":564,"journal":{"name":"Food Biophysics","volume":"19 3","pages":"653 - 664"},"PeriodicalIF":2.8,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11483-024-09849-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141269960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Hydrocavitation Treatment on Physicochemical and Functional Properties of Chickpea Flour 水蒸气处理对鹰嘴豆粉理化和功能特性的影响
IF 2.8 4区 农林科学
Food Biophysics Pub Date : 2024-05-30 DOI: 10.1007/s11483-024-09851-9
Deepak Singh, Sachin Sonawane, Prasanna Bhalerao, Ashish Dabade
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