Digital Commons Network^™

The Change Of Yield, Growth, And Fruit Quality In Rubygem Strawberry Using Arbuscular Mycorrhizal Species, Selma Kuru Berk

Turkish Journal of Agriculture and Forestry

Arbuscular mycorrhizal fungi (AMF), which exist symbiotically with plant roots, affect plant growth, yield, and fruit quality. The effects of AMF vary depending on the cultivar and mycorrhizal type. In this study, the effects of different AMF types on the Rubygem strawberry cultivar, widely grown in Türkiye, were examined. Gigaspora margarita and Funneliformis mosseae AMF species were applied to plant roots at seedling planting. Fruit quality criteria, including yield, acidity, soluble solid content, phenolic compounds, organic acids, crown and root development, and the number of daughter plants and stolons, were examined. The highest yield was 431.02 g in G. margarita. …

The Core Microbiome Of Fluvisols From The Vistula River Valley: Relationships Between Bacteria And Basic Soil Properties, Karolina Furtak, Anna Marzec-Grządziel, Jarosław Grządziel, Jacek Niedźwiecki

Turkish Journal of Agriculture and Forestry

Fluvisols develop in river valleys through the accumulation of alluvial sediments. They are characterised by high fertility and are extensively used for agriculture. This study aimed to identify the core microbiome of fluvisols in the Vistula Valley and to examine its relationship with the basic physicochemical properties of the soils. Six types of fluvisol (very light, light, medium, and heavy) from four locations in Lublin province were analysed, with samples collected in 2018 and 2022. The microbiome structure was determined by sequencing the V3–V4 region of the 16S rRNA gene and was compared with soil parameters such as pH, electrical …

Multidimensional Scaling (Mds) Analysis Of Fire Blight Resistance In Apple Genotypes Selected From The Eastern Black Sea Region Of Türkiye, Kubi̇lay Kurtuluş Baştaş, Hati̇ce Dumanoğlu, Veli̇ Erdoğan, Ahmet Aygün, Rabi̇a Albayrak Deli̇ali̇oğlu, Sai̇d Efe Dost, Ümi̇t Serdar, Özgün Kalkişim, Sali̇h Maden, Zahi̇de Kocabaş

Turkish Journal of Agriculture and Forestry

Erwinia amylovora is the causal agent of fire blight, which is known as one of the most destructive diseases of apple. The use of fire blight-resistant cultivars/rootstocks is one of the most effective methods available to manage this disease. We previously selected 199 local apple cultivars that showed no clearly visible symptoms of fire blight on the plants from the coastline of the eastern Black Sea Region in Türkiye. The region is characterized by the highest rainfall and humidity levels in the country. In this research, young plants of these genotypes grafted onto MM.106 rootstock were screened for fire blight …

Derived Smoke Solution Mitigates Drought Stress In Forage Pea By Enhancing Antioxidant Defense Mechanisms, Medi̇ne Çopur Doğrusöz

Turkish Journal of Agriculture and Forestry

This study was conducted to enhance plant resilience against drought stress, a major threat to agricultural production, by utilizing an eco-friendly application derived from agricultural waste. We investigated the protective effect of a smoke solution, derived from poppy harvest residues, on the biometric and biochemical parameters of two forage pea (Pisum sativum spp. arvense L.) varieties (GAP Pembesi and Özkaynak). Seeds were primed with 1% and 10% smoke solutions and grown under three distinct conditions: normal irrigation (control), moderate drought, and severe drought. Parameters including biometric traits, chlorophyll pigments, secondary metabolites, and antioxidant enzyme activities were analyzed. The smoke solution …

Prediction Of Furniture Exports In Türkiye Using Machine Learning Methods, İlker Akyüz, Nadi̇r Ersen, Ti̇muçi̇n Bardak, Selahatti̇n Bardak

Turkish Journal of Agriculture and Forestry

In this study, it was aimed to predict Türkiye’s furniture exports for the period from January 2010 to May 2025 using machine learning methods based on macroeconomic indicators. The dataset consisted of 10 economic variables, including the furniture industry production index, capacity utilization rate, import volume, total exports, real effective exchange rate, producer price index, money supply, and oil prices, with 185 observations per variable and a total of 2035 data points. During the data preprocessing phase, no missing or outlier values were detected, and the data were divided into 70% training and 30% testing subsets. Decision tree, random forest, …

Ozonated Water Delays The Microbial Growth And Sensory Quality Loss Of Capia Pepper Fruit During Cold Storage, Yasi̇n Şi̇mşek, Mehmet Ali̇ Koyuncu, Derya Erbaş

Turkish Journal of Agriculture and Forestry

The aim of the present research was to evaluate, for the first time, the effect of ozonated water treatments on the postharvest quality of capia pepper (Capsicum annuum L. ‘Kaptan’). The peppers were harvested at the optimum time and transported to the laboratory immediately. Uniform and quality fruit was selected and precooled. After precooling, the fruit was divided into four groups. The first three groups were immersed in ozonated water at three different concentrations (1.0, 2.0 and 3.0 ppm) for 15 min. The last group (control) was immersed in distilled water for 15 min. The peppers were kept at room …

Jnk Signaling Impacts Car-T Cell Effector Function, Charles Kuhlmann

ETDs from 2020-2029

The potent cytotoxic activity of T cells serves as a natural defense against cancers. Chimeric antigen receptor (CAR) T cell therapy represents a strategy for harnessing T cells against advanced tumors. CAR-T cell therapy has seen striking success against hematologic malignancies, prompting its application to new diseases. Ovarian cancer is a highly lethal disease characterized by frequent recurrence and aggressive nature, prompting the investigation of CAR-T cell therapy as a salvage regimen. However, like in other solid tumors, the early performance of CAR-T cell therapy in ovarian cancer is poor. While many strategies exist for improving the longevity of CAR-T …

Unveiling Resistance Mechanisms To Fusarium Wilt Through Comparative Transcriptome Analysis Of Cicer Arietinum And Cicer Reticulatum, Özlem Tuna, Yasi̇n Kaymaz, Talap Talapov, Canan Can, Muhammed Bahatti̇n Tanyolaç, Duygu Ateş

Turkish Journal of Agriculture and Forestry

Developing resistant chickpea cultivars is essential for managing Fusarium wilt caused by Fusarium oxysporum, a major pathogen responsible for substatial yield losses. In this study, we conducted RNA-seq–based transcriptome analysis to characterize gene expression changes in resistant and susceptible genotypes of Cicer arietinum L. and C. reticulatum following inoculation with Fusarium oxysporum f. sp. ciceris race 0. Susceptible genotypes exhibited markedly higher numbers of differentially expressed genes compared with resistant genotypes. Defense-related genes were induced in all plants upon infection; however, resistant genotypes specifically upregulated genes functioning in the apoplast or extracellular region while downregulating intracellular processes—a pattern not observed …

Interview With Orca Winner John Hibbing, Political Science; How Political Attitudes Correlate With Physiological Traits, Mark A. Griep, John Hibbing

UNL ORCA Interview Series

Dr. John Hibbing was awarded the ORCA in 1993. John was born in 1953 in Paullina, Iowa. He earned a bachelor's in secondary education from Dana College in Blair, Nebraska, but then realized that teaching high school wasn't for him. Instead, he attended the University of Iowa, where he earned a master's and doctorate in political science. In 1981, he joined the University of Nebraska-Lincoln as an assistant professor of political science and rose quickly through the ranks. Initially, he studied the reasons that members of the U.S. Congress retire. This led to a longer-term collaboration with Kevin Smith and …

A Pilot Study Of The Acute Effects Of Isometric Exercise And Aerobic Exercise For Improving Blood Pressure And Vascular Hemodynamics In Hypertensive Adults, Ayih Cedric Edoh

ETDs from 2020-2029

Hypertension (HTN) is one of the most prevalent and modifiable risk factors for developing cardiovascular disease (CVD). Aerobic exercise is a well-known method to lower blood pressure (BP), but recently, isometric exercise has been purported to lower BP to a similar or greater extent. There is little known about the effects of isometric exercise on acute BP and 24-hour ambulatory blood pressure (ABP). Therefore, the purpose of this pilot study was to compare the effects of isometric and aerobic exercise on improving vascular hemodynamics and 24-hour ABP in hypertensive adults. METHODS: Seven participants (age 25-65 years) with a diagnosis of …

Characterization Of Poly-Β-Hydroxybutyrate And Its Biosynthesis In Priestia Endophytica Ucm B-5715, Alina Kharchuk, Maksym Kharchuk, Maksym Kharkhota, Sergiy Rogalsky, Oksana Tarasyuk, Oleksandr Kisten, Anastasiia Hubina, Illya Kapats, Liliia Avdieieva

Turkish Journal of Biology

Background/aim: Polyhydroxyalkanoates (PHAs) are biodegradable biopolymers with promising applications in biotechnology and medicine; however, the diversity of their biosynthesis within the genus Priestia remains poorly characterized. Although Priestia species have been recognized as potential PHA producers, the detailed genomic architecture and physicochemical properties of the polymers synthesized by these bacteria, particularly in the type strain, remain poorly understood. This study aimed to characterize the poly-β-hydroxybutyrate (PHB) produced by Priestia endophytica UCM B-5715 and to investigate the PHB biosynthetic genes across related strains.

Materials and methods: PHB granules were visualized and measured using fluorescence microscopy, transmission electron microscopy, and scanning electron …

Plant Extract-Enriched Mineral Beverages: Effects Of Temperature And Ultrasound Processing On Bioactive Content, Eli̇f Feyza Topdaş, İsa Arslan Karakütük, Memnune Şengül

Turkish Journal of Agriculture and Forestry

Functional beverages derived from herbal extracts have potential health benefits. There is a growing interest in these beverages because they are a sustainable and health-promoting alternative to conventional flavored drinks. This study aimed to produce phenolic rich mineralized herbal beverages using lyophilized purple basil, lavender, and thyme extracts at two different concentrations (2% and 4%). Changes in the physicochemical properties (pH, electrical conductivity, color, and viscosity), total phenolic content (TPC), total flavonoid content (TFC), total antioxidant capacity (2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2’-Azino-bis(3-ethylbenzothiazoline 6-sulfonic acid (ABTS) radical scavenging assays), and individual phenolic compounds were determined for beverages stored at 4, 25, and …

Ecological Risk Assessment Of Heavy Metal-Microplastic Interactions In Agricultural Soils Irrigated With Secondary Treated Wastewater, Senar Aydin, Osman Mücevher, Arzu Ulvi̇, Fatma Bedük, Özen Merken, Ci̇han Uzun, Mehmet Emi̇n Aydin

Turkish Journal of Agriculture and Forestry

The increased reuse of treated wastewater (TWW) for irrigation in arid and semiarid regions raises environmental concerns regarding microplastics (MPs), specifically their capacity to adsorb and transport heavy metals. This study assesses the quantity of MPs and associated metals (Cd, Cr, Cu, Pb, Ni, and Co) in agricultural soils irrigated with TWW in the Konya region of Türkiye. To this end, a total of 202 soil samples were collected from TWW-irrigated (180) and nonirrigated control fields (22) at two depths (0–10 and 10–20 cm). MPs were extracted from the samples using a density separation technique, identified microscopically, and analyzed for …

Influence Of Crop Diversification On Climate Change Mitigation And Business Profitability: A Study Of The Southern Marmara Region, Türkiye, Engi̇n Tolga Önder, Nuray Demi̇r

Turkish Journal of Agriculture and Forestry

Crop diversification strategies are being put forward to mitigate the negative effects of climate change associated with greenhouse gas emissions, and thus to ensure sustainable food production that is resilient to climate change and to reduce the risks faced by producers. By diversifying their agricultural products producers can insure themselves against the risks associated with climate variations, disease, and pests, contributing to both continuous food production and income flow. The present study investigates the effect of climate change on enterprise income in the Yenişehir district of Bursa province – a region noted for its intensive production of vegetables and other …

Effects Of Fenugreek And Shatavari On Vasomotor And Hormonal Balance In Ovariectomized Rats, Füsun Erten, Beşi̇r Er, Cemal Orhan, Abhijeet A. Morde, Muralidhara Padigaru, Kazi̇m Şahi̇n

Turkish Journal of Agriculture and Forestry

Trigonella foenum-graecum L. (fenugreek, TFG) and Asparagus racemosus Willd. (shatavari, AR) have been extensively used in Ayurvedic, Unani, and traditional folk medicine to support women’s health. TFG seeds are traditionally employed as galactagogues and hormonal modulators, while AR roots are valued as rejuvenating tonics with phytoestrogenic activity, prescribed for menopausal complaints and reproductive well-being. Both plants also exhibit antioxidant and hepatoprotective effects, suggesting their potential as safe, nonhormonal alternatives to conventional hormone replacement therapy. This study investigated the dose-dependent effects of TFG and AR, administered individually or in combination, on vasomotor symptoms, hormonal balance, oxidative stress, and neuroendocrine markers in …

Context-Dependent Regulation Of Six1 By Ets1 Within Emt-Associated Transcriptional Networks, İrem Yalim Camci

Turkish Journal of Biology

Background/aim: Epithelial-mesenchymal transition (EMT) is a fundamental process driving tumor plasticity, metastasis, and therapy resistance. Although E26 transformation-specific transcription factor 1 (ETS1) and Sine oculis homeobox homolog 1 (SIX1) are individually implicated in EMT-related transcriptional programs, the regulatory interplay and functional coordination of these proteins across tumor states remain unclear. Hence, this study aimed to investigate the mechanistic and clinical behavior of the ETS1–SIX1 axis, with a focus on hepatocellular carcinoma (HCC) and aggressive endothelial-like cancer phenotypes.

Materials and methods: ETS1–SIX1 expression patterns were analyzed using real‐time quantitative polymerase chain reaction in HCCderived cell lines and the endothelial-like SK-HEP-1 cell …

Small Rna Sequencing Identifies Tsrna-05020 As A Potential Regulator Of Cervical Cancer Progression, Cheng Peng, Cong Liang, Jie Liu, Yunlu Liu, Ping Liu

Turkish Journal of Biology

Background/aim: Cervical cancer (CC) is a malignant gynecologic tumor. Small RNAs derived from tRNA (tsRNAs) have been reported to play regulatory roles in tumor progression and suppression. However, the functional role of tsRNAs in CC remains largely unclear.

Materials and methods: Small RNA sequencing was performed on normal, cervical intraepithelial neoplasia (CIN), and CC clinical cell samples to identify differentially expressed tsRNAs (DEtsRNAs). qRT-PCR was used to validate the selected DEtsRNAs. The effects of tsRNA-05020 on HeLa cell proliferation, apoptosis, and epithelial-to-mesenchymal transition were assessed.

Results: Compared with the normal group, 215 tsRNAs were significantly differentially expressed in CIN tissues, …

Retinoic Acid-Loaded Nanoparticles Enhance Macrophage-Mediated Control Of Leishmania Infantum, Zeynep İşlek, Merve Gündoğdu, Zeynep Di̇la Yüksel

Turkish Journal of Biology

Background/aim: Visceral leishmaniasis, primarily caused by Leishmania infantum, remains a major global health challenge due to limitations in current chemotherapeutic options, including toxicity and emerging drug resistance. Host-directed therapeutic approaches are increasingly recognized as promising alternatives. All-trans retinoic acid (ATRA) is an immunomodulatory molecule with host-dependent effects on macrophage function; however, its therapeutic use is hindered by instability and poor solubility. Solid lipid nanoparticles (SLNs) offer a controlled and biocompatible delivery platform capable of enhancing intracellular drug accumulation.

Materials and methods: ATRA-loaded SLNs were prepared and characterized for size, polydispersity index, zeta potential, and morphology. Their antileishmanial activity was evaluated …

Nutrient Uptake Of Two Microalgae From Culture Medium Under Nickel Treatment, Di̇lara Erdaği, Büşranur Şeker, Celal Caner, Gi̇zem Çeti̇n, Hüseyi̇n Altundağ, Hati̇ce Tunca

Turkish Journal of Biology

Background/aim: Phycoremediation is essential for purifying wastewater of heavy metals to ensure a sustainable environment, as these components can be detrimental to organisms upon entering the food chain. Among heavy metals, nickel is vital at low concentrations due to its presence in the active sites of many metalloenzymes in algae. However, at high concentrations, it disrupts the functioning of many metabolic reactions. This study examines the effects of nickel treatment on the uptake of macro- and micronutrients in medium by algae via ion exchange pathways or in competition with other metals. The study aims to determine the effects of nickel …

An In Vitro Mechanistic Study Of Cholinergic-Associated Mechanisms Relevant To Masld In Hepg2 Cells, Gamze Sönmez, Müslüm Gök, Suat Sari, Ebru Bodur

Turkish Journal of Biology

Background/aim: Polyunsaturated fatty acids (PUFAs) and the hepatic cholinergic axis are critical regulators of lipid metabolism and inflammatory signaling; however, their time-dependent interplay in hepatocytes remains incompletely understood. Clarifying how n-6 and n-3 PUFAs interact with cholinergic pathways may provide mechanistic insight into metabolic dysfunction-associated steatotic liver disease (MASLD).

Materials and methods: HepG2 cells were used to examine the combined effects of butyrylcholinesterase (BChE) overexpression and PUFA exposure. Cells were treated with linoleic acid (LA; n-6) or α-linolenic acid (α-LA; n-3) for 24 or 48 h. Gene expression analyses were performed to assess pathways involved in de novo lipogenesis, β-oxidation, …

Epidemiology And Ultrasonographic Observations Of Urogenital Schistosomiasis Related Urinary Tract Morbidity In Itilima District, Simiyu Region, Tanzania, Coletha Yohana, Bruno A. Nyundo, Jared S. Bakuza, Peter F. Rambau, Safari M. Kinung’Hi

Tanzania Journal of Science

Chronic infection of urogenital schistosomiasis in humans is a major cause of urinary tract morbidity in endemic areas. However, information on the prevalence of schistosomiasisrelated urinary tract morbidity is lacking in most endemic countries including Tanzania. This study was conducted to determine the prevalence of schistosomiasis-related urinary tract morbidity in schoolchildren and adults in Itilima District. Urine samples from 682 residents were examined for Schistosoma haematobium infection using urine filtration technique. Urinary tract morbidity was examined by ultrasound. The prevalence of S. haematobium infection was 16.4% (112/682) and varied significantly between villages (range 3.2% to 29.5%, χ2 = 48.467, p < 0.001). There was no significant variation of S. haematobium infection between male and female (8.3 % vs 8.1%, χ2 = 0.679, p = 0.410). Majority (93.8%) had light infections (

House Sparrows Reveal Hidden Reservoirs Of Antimicrobial Resistance, Nathan Dowling

USF Tampa Graduate Theses and Dissertations

Antimicrobial resistance (AMR) is a growing global health threat, yet surveillance for antimicrobial resistance genes (ARGs) remains concentrated in clinical and livestock systems, leaving environmental and wildlife reservoirs comparatively understudied. The objective of this study was to evaluate whether one synanthropic bird species integrates landscape-level antimicrobial resistance pressures across socioeconomic gradients and to identify the predictors most strongly associated with cross-national variation in ARG prevalence. We examined ARG occurrence in the globally distributed house sparrow (Passer domesticus), sampling 205 individuals across eight countries spanning large gradients in economic development, antimicrobial use, and governance structure. Using targeted molecular screening of gastrointestinal …

Rapid Determination And Uncertainty Evaluation Of Vitamins A , D 3, And E Content In Cereal-Based Complementary Foods For Infants And Young Children By Online Solid Phase Extraction-Two-Dimensional Liquid Chromatography, Long Qiang, Zhao Tao, Xiao Mei, Wu Haizhi, Zhou Fan, Dai Zhiyong

Food and Machinery

［Objective］ To establish a rapid determination method for vitamin A, D3, and E content in cereal-based complementary foods for infants and young children by online solid phase extraction -two-dimensional liquid chromatography simultaneously.［Methods］ Sample saponification solution is purified by online solid -phase extraction. Then, vitamin A and E are separated and detected by the first -dimension chromatography, while vitamin D3 is preliminarily separated in the first dimension and then transferred to the second -dimension chromatography for further separation and detection, with all quantification achieved by the external standard method.［Results］］ Vitamin A,D3,and E exhibit a good linearity in the concentration ranges, with …

Invasive African Fig Flies (Zaprionus Indianus) Have Reduced Cold Acclimation Ability Compared To Cosmopolitan Drosophilid Species, Mia Hollekim, Lucy Smith, Priscilla A. Erickson

Biology Faculty Publications

Zaprionus indianus, an invasive species of fruit fly originating from Africa, has successfully inhabited eastern North America but is thought to be seasonally limited by cold temperatures. We compared the cold acclimation abilities of Z. indianus to six drosophilid species. Each species’ survival at -5°C was tested following acclimation periods at 10°C, 15°C, and 25°C. We found that Z. indianus had a similar baseline cold tolerance to other cosmopolitan species and acclimated following treatment at 15°C. Overall, cold acclimation in Z. indianus was better than tropical species but weaker than some cosmopolitan species, suggesting cold may restrict Z. indianus …

Main-Chain Ion-Pair Polybenzimidazole Membranes Enabling Reduced-Temperature Ht-Pemfc Operation (Down To 120°C), Brian C. Benicewicz, Huina Lin

Faculty Publications

Proton exchange membrane (PEM) fuel cells are promising for clean and efficient energy conversion across diverse applications. High-temperature PEM fuel cells (HT-PEMFCs) using phosphoric acid (PA)-doped polybenzimidazole (PBI) can operate up to 200°C, but at lower temperatures, water-induced PA loss often leads to performance degradation and reduced durability. In this work, we present a new class of main-chain ion-pair PBI membranes by integrating the imidazolium-biphosphate ion-pair units directly into the PBI backbone. This design results in membranes with high acid content, stronger acid-polymer interactions and stabilized acid retention. In single-cell tests, the Im+-PBI15-3 wt.% exhibits peak power densities of 0.79 …

Processing Mechanism And Efficacy Maintenance Strategy Of Ginseng Active Ingredients Based On Spectroscopy Technology, Yang Hantong, Kong Linghui, Jiang Mengmeng, Wang Yingxiu, Li Xiangguo

Food and Machinery

Ginseng, as a medicinal and edible plant, has ginsenosides as its core active components, which are widely applied due to their physiological functions such as antioxidant and anti-inflammatory activities; however, their structures and activities are easily affected by food processing. During processing steps such as cleaning, steaming/boiling, and fermentation, temperature, pH, and microbial enzyme systems alter the types, contents, and stability of active components through reactions such as hydrolysis and oxidation. The intrinsic linkage mechanism of "component transformation-activity-bioavailability" constitutes a core focus and challenge in current research. This study, based on spectroscopic techniques including high-performance liquid chromatography (HPLC), nuclear magnetic …

Effect Of Processing Methods On Polygonatum Kingianum Collett & Hemsl . Metabolites Based On Widely Targeted Metabolomics, Wei Zhen, Tang Yayuan, Yue Jian, Su Juan, Sun Jian, He Xuemei

Food and Machinery

［Objective］ To investigate the effect of processing methods on Polygonatum kingianum Collett & Hemsl.metabolites, to reveal the regulatory pattern of processing methods on the metabolites, and to clarify the characteristic metabolites enriched by various processing methods.［Methods］ Metabolites of P.kingianum samples processed via boiling (BP), roller processing (HP), and traditional processing (JZ) are analyzed using ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) based on widely targeted metabolomics. Differential metabolites are screened using multivariate statistical analyses, including principal component analysis, orthogonal partial least squares-discriminant analysis, and hierarchical clustering analysis, followed by Kyoto Encyclopedia of Genes and 何雪梅（1981—），女，广西农业科学院农产品加工研究所研究员，硕士。E-mail：[email protected]|Genomes (KEGG ) metabolic enrichment analysis.［Results］ …

Effects Of Yeast Extract And Reheating Methods On Gel Properties And Warmed-Over Flavor Formation Of Hairtail Surimi, Huang Qianyi, Li Xianghong, Li Shuang, Ma Xiayin, Liu Dongmin, Wang Faxiang, Liu Yongle, Wu Jinhong

Food and Machinery

［Objective］ To control the gel property and warmed -over flavor formation of hairtail surimi products.［Methods］ Surimi gel is prepared using hairtail as the raw material. Then, by examining changes in sensory evaluation, microstructure, gel property,moisture content, and volatile flavor substances, this study investigates the effects of yeast extract addition and reheating methods on gel property and warmed-over flavor formation in hairtail surimi products.［Results］ Yeast extract addition significantly promotes internal structural cross-linking and reduces the number of pores in the product, thereby enhancing the gel properties, including gel strength, hardness, and elasticity. Specifically, an optimal gel property is observed at a …

Preparation And Fermentation Characteristics Of Fuqu Fortified By Yeast Community Based On Jiangxiang Daqu, Wei Chunhui, Xu Ziheng, Ying Chao, Zhao Huan, Ren Zhiqiang

Food and Machinery

［Objective］ To solve the problems of single strain, limited fermentation capability, and weak environmental tolerance of yeast Fuqu.［Methods］ The yeast community of Jiangxiang Daqu is utilized as the strain source, and bran is used as the raw material to prepare a multi-yeast mixed Fuqu with fortified function. The preparation conditions of yeast Fuqu are optimized by single factor tests combined with orthogonal tests. Then, the acid, ethanol, and high-temperature resistance are systematically evaluated, while the microbial community structure is analyzed via internal transcribed spacer (ITS) rDNA high-throughput sequencing.［Results］ The optimal process parameters are a moisture content of 45%,an incubation time …

Evaluation Of Functional Properties And Classification Of Processability Of Eight Chestnut Starch Varieties Based On Multidimensional Quality Indexes, Yang Xiaocong, Wang Ensheng, Li Shizhuo, Du Wenqing, Li Kun

Food and Machinery

［Objective］ To clarify the comprehensive functional characteristics and processing adaptability of different chestnut varieties.［Methods］ The microscopic morphology of starches prepared from eight chestnut varieties was observed, and their amylose content, transparency, freeze-thaw stability, solubility, swelling power, and gel texture properties were determined. Correlation analysis, principal component analysis (PCA ),and cluster analysis were employed to comprehensively evaluate starch quality.［Results］ The starch granules from the eight chestnut varieties exhibited similar morphologies, mainly including round, oval, and polygonal shapes. Correlation analysis revealed significant correlations among the quality indexes of different varieties (P<0.05). PCA reduced the eight indexes to two principal components, with a cumulative variance contribution rate of 84.373%.Cluster analysis classified the starches from the eight chestnut varieties into four categories: high-elasticity, high-swelling, low-hardness, and high-gel types.［Conclusion］ Significant differences in the functional properties of chestnut starches were observed among the different categories (P<0.05).