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Discrimination of different edible vegetable oils based on GC-IMS and SIMCA 基于GC-IMS和SIMCA的不同食用植物油鉴别
IF 2.1 4区 农林科学 Pub Date : 2023-01-05 DOI: 10.1080/19476337.2022.2160827
Dechun Geng, Xinyu Chen, D. Lu, Bin Chen
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引用次数: 2
Determination and dietary exposure assessment of 79 pesticide residues in Chinese onion (Allium fistulosum L.) 大葱中79种农药残留的测定及日粮暴露评价
IF 2.1 4区 农林科学 Pub Date : 2023-01-05 DOI: 10.1080/19476337.2022.2158947
Nengming Chu, Xiao Shu, Xiaojun Meng, Xuemei Zhang, Junying Yang, Biquan Li
{"title":"Determination and dietary exposure assessment of 79 pesticide residues in Chinese onion (Allium fistulosum L.)","authors":"Nengming Chu, Xiao Shu, Xiaojun Meng, Xuemei Zhang, Junying Yang, Biquan Li","doi":"10.1080/19476337.2022.2158947","DOIUrl":"https://doi.org/10.1080/19476337.2022.2158947","url":null,"abstract":"","PeriodicalId":49084,"journal":{"name":"Cyta-Journal of Food","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49269529","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
Antimicrobial activity and phenolic composition of varieties of Hibiscus sabdariffa L. with red and white calyces 红、白两个品种木槿的抗菌活性及酚类成分
IF 2.1 4区 农林科学 Pub Date : 2023-01-03 DOI: 10.1080/19476337.2022.2152099
Y. Salinas-Moreno, R. Arteaga-Garibay, Anita Arroyo-Silva, J. Ordaz-Ortíz, J. M. Ruvalcaba-Gómez, L. A. Gálvez-Marroquín
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引用次数: 0
Optimization of extraction conditions for functional compounds from thinned unripe apple using β-cyclodextrin-based ultrasound-assisted extraction β-环糊精超声辅助提取生苹果中功能化合物的条件优化
IF 2.1 4区 农林科学 Pub Date : 2023-01-03 DOI: 10.1080/19476337.2022.2156619
Eun Ji Lee, K. Yoon
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引用次数: 1
In vitro study of the antihypertensive, antioxidant and antiproliferative activities of peptides obtained from two varieties of Phaseolus coccineus L 两种菜豆多肽抗高血压、抗氧化和抗增殖活性的体外研究
IF 2.1 4区 农林科学 Pub Date : 2022-12-31 DOI: 10.1080/19476337.2022.2090611
G. Teniente-Martínez, A. Bernardino-Nicanor, María del Carmen Valadez-Vega, J. L. Montañez-Soto, J. M. Juárez-Goiz, L. González-Cruz
ABSTRACT Three biological activities were assessed for peptides obtained from two ayocote bean varieties, antioxidant and antihypertensive properties and antiproliferative activity against MDA breast cancer cells. For the peptides obtained from the ayocote bean black variety the highest antihypertensive activity was obtained with low-molecular weight peptides, principally with those between 5 and 10 kDa. However, for the peptides obtained from ayocote bean purple variety, the highest antihypertensive activity was achieved with peptides with a molecular weight ≥10 kDa, while that the higher antioxidant activity was noted for peptides obtained from ayocote bean purple variety. All peptides from both purple and black ayocote beans varieties inhibited MDA cells proliferation; however, the IC50 was only reached with high concentrations of peptides (2000 or 5000 µg*mL −1) and exposure times of 12 or 72 h. The obtained results reveal a potential relationship among the antihypertensive, antioxidant activities and anticancer properties of the peptides.
摘要对从两个大豆品种中获得的肽的三种生物活性、抗氧化和抗高血压特性以及对MDA乳腺癌症细胞的抗增殖活性进行了评估。对于从ayocote豆黑品种获得的肽,用低分子量肽获得最高的抗高血压活性,主要是那些在5和10kDa之间的肽。然而,对于从ayocote豆紫品种中获得的肽,分子量≥10kDa的肽具有最高的抗高血压活性,而从ayocoate豆紫品种获得的肽具有更高的抗氧化活性。来自紫色和黑色ayocote豆品种的所有肽都抑制MDA细胞增殖;然而,只有高浓度的肽(2000或5000)才能达到IC50 µg*mL −1) 暴露时间为12或72 h.所获得的结果揭示了肽的抗高血压、抗氧化活性和抗癌特性之间的潜在关系。
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引用次数: 1
Evaluation of phytonutrients composition and nutraceutical potential of tomato by-products 番茄副产品的植物营养成分和营养潜力评价
IF 2.1 4区 农林科学 Pub Date : 2022-12-16 DOI: 10.1080/19476337.2022.2148755
Kabakdé Kaboré, K. Konaté, Roger Dakuyo, Abdoudramane Sanou, Hemayoro Sama, Balamoussa Santara, M. Dicko
ABSTRACT This study aims to evaluate the phytonutrient composition, antioxidant activity and nutraceutical potential of peels and seeds of two tomato cultivars. Levels of phytonutrients such as phenolic compounds, carotenoids, chlorophyll, salicylic acid and vitamin C were assessed. Potential in vitro antioxidant activities were evaluated. Tomato has quite interesting levels of phenolic compounds such as total phenols and flavonoids, whose contents varied from 78.41 ± 1.52 to 272.17 ± 53 mg GAE/100 g DM and 13.35 to 139.89 mg QE/100 g DM, respectively. They also contained chlorophyll, which was concentrated in the peels (39 to 78 mg/100 g DM). β-carotene and lycopene contents ranged from 4.63 to 105 mg/100 g DM and 7.51 to 32.45 mg/100 g DM, respectively. Vitamin C level was high in peels with an average content of 27.82 mg/100 g DM. Tomato by-products showed high antioxidant activity with 61% DPPH inhibition and 108.55 to 120.86 µg EAA/g with FRAP method. With this richness in phytonutrients and their strong antioxidant power, tomato by-products have important nutraceutical potentials to be valorized with in vivo experiments.
摘要本研究旨在评价两种番茄品种果皮和种子的植物营养素组成、抗氧化活性和营养保健潜力。评估了植物营养素如酚类化合物、类胡萝卜素、叶绿素、水杨酸和维生素C的水平。对其体外抗氧化活性进行了评价。番茄中总酚和总黄酮的含量分别为78.41±1.52 ~ 272.17±53 mg GAE/100 g DM和13.35 ~ 139.89 mg QE/100 g DM。它们还含有叶绿素,叶绿素集中在果皮中(39 ~ 78 mg/100 g DM)。β-胡萝卜素和番茄红素含量分别为4.63 ~ 105 mg/100 g DM和7.51 ~ 32.45 mg/100 g DM。果皮中维生素C含量较高,平均含量为27.82 mg/100 g DM。番茄副产物具有较高的抗氧化活性,DPPH抑制率为61%,FRAP法测定的EAA含量为108.55 ~ 120.86µg /g。番茄副产品富含丰富的植物营养素和强大的抗氧化能力,具有重要的营养保健潜力,可以通过体内实验进行验证。
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引用次数: 0
Effects of sodium chloride (NaCl) partial substitution by potassium chloride (KCl) in combination with high pressure on sensory and chemical properties of beef sausage during cold storage at 4°C 氯化钠(NaCl)部分替代氯化钾(KCl)与高压联合作用对4°C冷藏牛肉肠感官和化学性能的影响
IF 2.1 4区 农林科学 Pub Date : 2022-12-16 DOI: 10.1080/19476337.2022.2138979
Theodora Ojangba, Solomon Boamah, Li Zhang, Zhuo Wang, R. Osei
ABSTRACT The objectives of this study were to evaluate the effects of partial substitution of 25% and 50% NaCl with KCl coupled with high pressure processing (100 MPa for 5 min at 25°C), on sensory and chemical qualities of beef sausage for 28 days’ storage at 4°C. Three sausage formulations were produced with different concentrations of NaCl (100%, 75% and 50%) and KCl (0%, 25% and 50% respectively). High pressure application reduced the total NaCl content and improved the sensory acceptance for taste and flavor compared to control beef sausages. The addition of KCl showed the lowest values for Na+ content; the highest scores for all sensory parameters, improved hardness and chewiness, with results not statistically different from the results obtained by combining HPP and KCl. Therefore, the use of HPP in combination with KCl was considered a technological and sensorial viable alternative to produce low sodium beef sausages.
摘要:本研究的目的是评价25%和50% NaCl与KCl部分替代,再加上高压处理(100 MPa, 25°C, 5分钟)对牛肉香肠在4°C下储存28天的感官和化学品质的影响。以不同浓度NaCl(100%、75%、50%)和KCl(0%、25%、50%)配制3种香肠配方。与对照牛肉香肠相比,高压处理降低了总NaCl含量,提高了对味道和风味的感官接受度。添加KCl对Na+含量影响最小;所有感官参数得分最高,硬度和咀嚼性得到改善,结果与HPP和KCl联合获得的结果无统计学差异。因此,HPP与KCl的结合被认为是生产低钠牛肉香肠的技术和感官上可行的替代方案。
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引用次数: 1
Isolation, identification and characterization of predominant microorganisms in Swazi traditional fermented porridge (incwancwa) and optimization of fermentation conditions 斯威士兰传统发酵粥中主要微生物的分离、鉴定、鉴定及发酵条件的优化
IF 2.1 4区 农林科学 Pub Date : 2022-12-09 DOI: 10.1080/19476337.2022.2144462
Baphelele Khumalo, S. Kidane, T. Gadaga, J. S. Shelembe
ABSTRACT The objective of the study was to isolate, identify and characterize the predominant microorganisms during the fermentation of incwancwa and optimize fermentation conditions. The lactic acid bacteria (LAB) load from fermented uncooked samples ranged from 4.6 ± 1.46 to 6.56 ± 0.2 log CFU/g whereas the load for yeast and coliforms ranged from 1.5 ± 0.39 to 2.12 ± 0.43 log CFU/g and 2.14 ± 0.22 to 4.09 ± 0.57 log CFU/g, respectively. LAB were the dominant microorganisms in incwancwa where Lueconostoc lactis was the main. Fermentation time and temperature had significant (p < .05) effect on the sensory perception of the product. The best temperature and time was found to be 32°C to 35°C for 8 to 24 hours. Numerical optimization predicted that the preferred temperature and time combination was 35°C for 15 hours. Thus, it is feasible to produce an acceptable incwancwa product under temperature/time conditions of 35°C for 15 hours using starter cultures derived from the original indegonuos flora of traditional incwancwa.
摘要本研究的目的是分离、鉴定和鉴定incwancwa发酵过程中的主要微生物,并优化发酵条件。发酵生样品的乳酸菌(LAB)负荷范围为4.6 ± 1.46至6.56 ± 0.2 log CFU/g,而酵母和大肠菌群的负荷范围为1.5 ± 0.39至2.12 ± 0.43 log CFU/g和2.14 ± 0.22至4.09 ± 分别为0.57 log CFU/g。乳酸菌是该菌的优势微生物,乳酸菌是其主要菌种。发酵时间和发酵温度有显著性差异(p < .05)对产品感官感知的影响。最佳温度和时间为32°C至35°C,持续8至24小时 小时。数值优化预测,优选的温度和时间组合为35°C,持续15 小时。因此,在35°C的温度/时间条件下生产可接受的incwancwa产品是可行的 使用源自传统incwancwa的原始indegonos植物群的发酵剂培养数小时。
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引用次数: 1
Influence of ZnO and CuO nanoparticle on the shelf life and physiochemical properties of guava (Psidiumguajava) fruits and juice 纳米氧化锌和氧化铜对番石榴果汁保质期和理化性质的影响
IF 2.1 4区 农林科学 Pub Date : 2022-12-09 DOI: 10.1080/19476337.2022.2144463
Monika S. Patel, M. Firdaus, Sunita Mishra
ABSTRACT This research was done to study the guava and guava juice treated with ZnO and CuO nanoparticles synthesized by the sol-gel method, and stored at room temperature (R.T.) for 15 days. The effectiveness of ZnO and CuO nanoparticles on all treatment was studied by using physiochemical characteristics such as pH, T.S.S. Moisture content, acidity and microbiological testing, morphological changes within the samples by S.E.M. and changes in structure by using x-ray diffraction technique at the interval of 0, 5, 10, and 15 days of storage period. The result indicates minimal changes in physicochemical parameters during the storage period, such as T.S.S. pH, acidity, and Microbial count of treated samples as compared to untreated samples. Coating ZnO and CuO nanoparticles on guava reduces the water loss and prevents microbes’ growth. Applying nanoparticles to guava and guava juice is beneficial in increasing the durability of guava and guava juice.
摘要本研究采用溶胶-凝胶法合成ZnO和CuO纳米颗粒,对番石榴和番石榴汁进行处理,并在室温下储存15 天。通过使用pH、T.S.S.水分含量、酸度和微生物测试、S.E.M.在样品内的形态变化以及使用x射线衍射技术在0、5、10和15的间隔内的结构变化等理化特性,研究了ZnO和CuO纳米颗粒对所有处理的有效性 储存期天数。结果表明,与未处理的样品相比,在储存期间,理化参数(如T.S.S.pH、酸度和微生物计数)的变化最小。将ZnO和CuO纳米颗粒涂覆在番石榴上可以减少水分损失,防止微生物生长。将纳米颗粒应用于番石榴和番石榴汁有利于提高番石榴和石榴汁的耐用性。
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引用次数: 3
Expression of MYB transcription factors and target genes and its association with phenolic content and antioxidant activity of selected Solanum lycopersicum var. cerasiforme accessions from Mexico 墨西哥番茄变种MYB转录因子和靶基因的表达及其与酚类含量和抗氧化活性的关系
IF 2.1 4区 农林科学 Pub Date : 2022-11-16 DOI: 10.1080/19476337.2022.2144951
Karen V. Pineda-Hidalgo, Brianda Flores-Leyva, Nancy Y. Salazar-Salas, Jeanett Chávez-Ontiveros, J. A. Garzón-Tiznado, Jorge Sánchez-López, F. Delgado-Vargas, J. López-Valenzuela
ABSTRACT Eight Solanum lycopersicum var. cerasiforme accessions from Mexico were evaluated for total phenolics (TP) and flavonoids (TF), phenolic profiles (UPLC-DAD-MS), antioxidant capacity (AC) (ABTS, DPPH, and FRAP), and expression of transcription factors (MYB12 and MYB14) and target genes (PAL, CHS and CHI) by RT-qPCR. The AC (mmol TE/kg fw; TE, Trolox Equivalents) by ABTS (5.27–11.81), DPPH (1.43–3.67), and FRAP (4.41–9.22) correlated with TP (0.53–1.20 g GAE/kg fw; GAE, Gallic Acid Equivalents), TF (1.03–2.10 g QE/kg; QE, Quercetin Equivalents), and the levels of chlorogenic and dicaffeoylquinic acids and rutin. The expression of MYB12 and MYB14 correlated with that of PAL and CHS, while CHI was only associated with MYB12. The accessions Tumbisca and Kilim showed the highest gene expression, phenolics content, and AC, suggesting they can be used in breeding programs to produce tomatoes with better AC.
摘要采用RT-qPCR技术对8份墨西哥番茄变种(Solanum lycopersicum var. cerasiforme)进行了总酚类物质(TP)和总黄酮(TF)、酚类物质谱(ulc - dad - ms)、抗氧化能力(AC) (ABTS、DPPH和FRAP)、转录因子(MYB12和MYB14)和靶基因(PAL、CHS和CHI)的表达进行了评价。AC (mmol TE/kg fw);ABTS(5.27 ~ 11.81)、DPPH(1.43 ~ 3.67)和FRAP(4.41 ~ 9.22)与TP (0.53 ~ 1.20 g GAE/kg fw)相关;GAE,没食子酸当量),TF (1.03-2.10 g QE/kg;QE(槲皮素当量),以及绿原酸、二咖啡酰奎宁酸和芦丁的含量。MYB12、MYB14的表达与PAL、CHS相关,CHI仅与MYB12相关。其中,Tumbisca和Kilim的基因表达量、酚类物质含量和AC含量最高,表明它们可以用于培育AC含量较高的番茄。
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引用次数: 2
期刊
Cyta-Journal of Food
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