Rapid Determination Of 81 Illegal Weight Loss Additives In Tablet Candy By Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry,
2026
Key Laboratory of Condiment Supervision Technology , State Administration for Market Regulation , Chongqing Institute for Food and Drug Control , Chongqing 401121 , China
Rapid Determination Of 81 Illegal Weight Loss Additives In Tablet Candy By Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry, Li Hongli, Su Min, Wu Yanlei, Zhang Mian, Wang Yuqi, Zhou Chunjie, Tao Juan
Food and Machinery
[Objective] To establish a rapid detection method for 81 illegal weight loss additives in tablet candy using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). [Methods] Samples were ultrasonically extracted with 80% methanol-water (containing 0.1% formic acid), separated on a Waters ACQUITY UPLC HSS T3 column, and eluted with a gradient of methanol and 0.1% formic acid water solution. Detection was performed using multiple reaction monitoring (MRM) with simultaneous scanning in positive and negative electrospray ionization modes, and quantification was carried out using the external standard method. [Results] The 81 target analytes showed good linear relationships within their respective mass concentration ranges, …
Structural Optimization And Material Separation Characteristics Of An Updraft Rice Mill Based On Cfd-Dem,
2026
School of Mechanical Engineering , Wuhan Polytechnic University , Wuhan , Hubei 430023 , China
Structural Optimization And Material Separation Characteristics Of An Updraft Rice Mill Based On Cfd-Dem, Li Yuan, Zhou Long, Fan Jijun, Yu Nanhui, Yang Yong
Food and Machinery
[Objective] To enhance the separation efficiency of rice bran and broken rice in an updraft rice mill by optimizing the air duct structure and operating parameters. [Methods] A combined approach of CFD-DEM coupled numerical simulation and experimental verification was adopted to investigate the material separation characteristics of the updraft rice mill under different structural and operating parameters. Key parameters, including air duct width, air velocity, baffle width, and baffle spacing, were optimized through single-factor experiments and response surface methodology. [Results] The addition of baffles at the lower suction inlet improved the pressure and flow velocity distributions within the air duct …
Optimization Of Roller Tooth Parameters For Roller Mill Based On Rocky Dem,
2026
Mechanical and Electrical Engineering Institute , Henan University of Technology , Zhengzhou , Henan 450001 , China
Optimization Of Roller Tooth Parameters For Roller Mill Based On Rocky Dem, Liu Yifan, Zhang Chao, Guo Xing
Food and Machinery
[Objective] To investigate the effects of the surface technical parameters of the toothed roller in a 1B roller mill on the wheat grinding process and to optimize these surface technical parameters. [Methods] The grinding process of the toothed roller was simulated using Rocky DEM software. Tooth angle, sharpness angle, tooth tip width, and inclination were selected as variables to analyze their effects on wheat scraping rate and wear loss. Single-factor experiments and orthogonal experiments combined with matrix analysis were comprehensively applied to systematically evaluate the experimental results. [Results] The optimal combination of surface technical parameters for the 1B toothed roller, …
Preparation Process , Antioxidant Activity , And Fruit Preservation Application Of Polygonatum Sibiricum Polysaccharides With Low Relative Molecular Mass,
2026
College of Food Science and Technology , Hebei Agricultural University , Baoding , Hebei 071000 , China
Preparation Process , Antioxidant Activity , And Fruit Preservation Application Of Polygonatum Sibiricum Polysaccharides With Low Relative Molecular Mass, Hu Chengzhi, Ma Yanli, Shen Qingshan, Li Mengna, Li Mi, Fei Peng
Food and Machinery
[Objective] To compare the effects of four pretreatment methods—hot pressing (HP), steam explosion (SE), ultrasound (US), and solid-state fermentation (SF)—on the structural characteristics and antioxidant activities of Polygonatum sibiricum polysaccharides (PSP), and to explore the potential application of PSP in fruit preservation. [Methods] Ten PSP samples are prepared. The yield, relative molecular mass, functional groups, thermal stability, surface morphology, and DPPH·, ABTS·, and OH· free radical scavenging abilities of the samples are determined. The PSP sample with low relative molecular mass obtained by SE treatment is loaded with Zn2+ to prepare a sprayable hydrogel, which is then applied in the …
Inhibitory Effect Of Tbhq On The Deterioration Of Leisure Dried Tofu,
2026
College of Food Science and Chemical Engineering , Shaoyang University , Shaoyang , Hunan 422000 , China ;Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control , Shaoyang , Hunan 422000 , China ;Hunan Engineering Research Center of Green Processing and Equipment of Hunan-Style Food , Shaoyang , Hunan 422000 , China
Inhibitory Effect Of Tbhq On The Deterioration Of Leisure Dried Tofu, Chen Durun, Huang Zhanrui, Hu Lianhua, Chen Hao, Zhao Dan
Food and Machinery
[Objective] To address key industrial challenges of leisure dried tofu subjected to mild sterilization, namely shortened shelf life (30~90 d) and susceptibility to photoenzyme -induced oxidative deterioration, this study aimed to elucidate the mechanisms by which tert -butylhydroquinone (TBHQ ) inhibits quality deterioration in leisure dried tofu induced by photoenzyme initiators. [Methods] Leisure dried tofu was prepared using marinade treated with TBHQ and photoenzyme initiators (chlorophyll and azodiisobutyronitrile ). During a 90 d storage period, dynamic changes in nutritional components, characteristic oxidation indices, textural properties, intermolecular forces, and microstructure of the dried tofu were systematically monitored.［Results］ During the early storage …
Effects Of Different Pretreatment Methods On Moisture Variation And Pore Structure Of Apple Slices During Microwave Freeze-Drying,
2026
College of Food and Drugs , Luoyang Polytechnic , Luoyang , Henan 471000 , China
Effects Of Different Pretreatment Methods On Moisture Variation And Pore Structure Of Apple Slices During Microwave Freeze-Drying, Qu Zhanping, Zhang Xiaoyan, Zhang Jinglin, Gu Yujuan
Food and Machinery
[Objective] To investigate the effects of pretreatment methods on moisture variation and pore structure of apple slices during microwave freeze-drying. [Methods] Apple slices pretreated with four methods (ultrasound, blanching, freeze-thawing, and osmotic dehydration) are subjected to microwave freeze-drying. The effects of different pretreatments on drying characteristics, moisture migration, and microscopic pore structure of the samples are comparatively analyzed. [Results] All four pretreatment methods increase the effective moisture diffusion coefficient and reduce drying time by 11.1% to 44.4%, with osmotic dehydration requiring the shortest drying time. Low-field nuclear magnetic resonance (NMR) analysis indicates that the pretreatments accelerate free water removal, consequently …
Overexpression Of Liax Enhances Stress Tolerance In Lacticaseibacillus Paracasei L9,
2026
School of Food Science and Bioengineering , Changsha University of Science & Technology , Changsha , Hunan 410114 , China
Overexpression Of Liax Enhances Stress Tolerance In Lacticaseibacillus Paracasei L9, Liu Ting, Ma Xiayin, Yan Ningning, Chen Shihao, Bai Jingfu
Food and Machinery
[Objective] To investigate the protective role of the surface protein LiaX in Lacticaseibacillus paracasei L9 against external stresses, such as bile salts, antibiotics, and the gastrointestinal environment. [Methods] A LiaX-overexpressing strain was constructed and the protein was purified. Spent media assays, in vitro simulated digestion, and exogenous protein supplementation experiments were comprehensively employed to evaluate the effect of LiaX on the survival rate of the strain under digestive, bile salt, and antibiotic stresses. [Results] The LiaX-overexpressing strain LPL9psip0968 his was successfully constructed, and the LiaX protein was isolated and purified. Spent media assays and exogenous addition of purified LiaX protein …
Preparation Of Agaricus Bisporus Chitosan Nanoliposomes And Their In Vitro Hypoglycemic Effects,
2026
School of Food Science and Engineering , South China University of Technology , Guangzhou , Guangdong 510640 , China
Preparation Of Agaricus Bisporus Chitosan Nanoliposomes And Their In Vitro Hypoglycemic Effects, Chen Yanzhi, Zhang Jiawen, Zhang Molan, You Lijun
Food and Machinery
[Objective] To address the limited oral utilization of metformin hydrochloride (MET) and the insufficient delivery efficiency of conventional liposomes, MET-loaded nanoliposomes modified with Agaricus bisporus chitosan (ACS) (ACS-modified liposomes, A-M-L) were developed, and their physicochemical properties, storage stability, cytocompatibility, and effects on glucose consumption by HepG2 cells were evaluated. [Methods] ACS was used as a substitute for crustacean chitosan to prepare MET-loaded nanoliposomes using the thin-film dispersion-ultrasonication method. The structural characteristics and microscopic morphology were observed by Fourier transform infrared spectroscopy (FTIR) and transmission electron microscopy (TEM), and particle size, polydispersity index (PDI), zeta potential, encapsulation efficiency, storage stability, cytotoxicity, …
Purification , Characterization , And Hypoglycemic Activity Of Peanut Coat Polyphenols,
2026
Tianjin Vocational Institute , Tianjin 300350 , China
Purification , Characterization , And Hypoglycemic Activity Of Peanut Coat Polyphenols, Zhou Wenda, Yin Yunhui, Fu Jingxuan
Food and Machinery
[Objective] To optimize the purification process of peanut skin polyphenols (PSPs), improve purification efficiency, and investigate their in vitro hypoglycemic activity. [Methods] Three types of PSPs (red, white, and purple) were extracted by ultrasound-assisted ethanol extraction. Seven macroporous resins were used for static adsorption and desorption of PSPs, and the resin with the best performance was selected for single-factor experiments. The components of the purified PSPs were analyzed by UPLC-ESI-QTOF-MS/MS. Using acarbose as a positive control, the inhibitory activity and inhibition types of PSPs against α-amylase and α-glucosidase were investigated. [Results] Purple peanut skins exhibited the highest contents of total …
Preparation , Structural Characterization , And In Vitro Hypoglycemic Activities Of Acetylated Elaeagnus Moorcroftii Wall . Polysaccharides,
2026
Pharmacy School of Shihezi University , Shihezi , Xinjiang 832003 , China ;Key Laboratory of Xinjiang Phytomedicine Resource and Utilization , Ministry of Education , Shihezi , Xinjiang 832003 , China
Preparation , Structural Characterization , And In Vitro Hypoglycemic Activities Of Acetylated Elaeagnus Moorcroftii Wall . Polysaccharides, Xue Xue, Tang Hui, Liao Bingwu, Chen Lu, Zhao Wenbin, Wang Xinbing, Sun Yan, Wei Youhong
Food and Machinery
[Objective] To explore the preparation conditions, structural information, and in vitro hypoglycemic activities of acetylated Elaeagnus moorcroftii Wall. polysaccharides of Kashgar (A-EMP-K). [Methods] EMP-K is extracted by the water extraction and alcohol precipitation method, and modified by the acetic anhydride method. Then, A-EMP-K preparation conditions are optimized using Box–Behnken response surface methodology. Furthermore, structural characterization and in vitro hypoglycemic activity assays of A-EMP-K are performed. [Results] The optimal preparation conditions are a reaction time of 3 h, a reaction temperature of 61 ℃, and an acetic anhydride addition volume of 9.3 mL. Under these conditions, A-EMP-K exhibits a degree of …
Effects Of Total Flavonoids From Perilla Leaves On Anti-Fatigue Capacity In Adolescent Athletes,
2026
Nanyang Vocational College of Agriculture , Nanyang , Henan 473000 , China
Effects Of Total Flavonoids From Perilla Leaves On Anti-Fatigue Capacity In Adolescent Athletes, Liu Baofeng, Liang Xiao
Food and Machinery
[Objective] To clarify the improvement effects of total flavonoids from perilla leaves on the anti-fatigue capacity of adolescent athletes and to compare the effects of different purification methods and liquid-to-solid ratios on their efficacy. [Methods] Total flavonoids from perilla leaves were extracted using microwave-assisted extraction, and two purification methods were employed for total flavonoid purification. Male adolescent track and field athletes aged 16 years with comparable physical fitness were selected to participate in a trial involving total flavonoid intake. Exhaustion time, maximum oxygen uptake, and serum lactate, serum urea nitrogen, and creatine kinase levels were measured in the male adolescent …
Effects Of Re-Frying Processes On The Quality And Volatile Flavor Compounds Of Pre-Fried Coated Tofu,
2026
College of Food Science and Chemical Engineering , Shaoyang University , Shaoyang , Hunan 422000 , China ;Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control , Shaoyang , Hunan 422000 , China ;Hunan Engineering Research Center of Green Processing and Equipment of Hunan-Style Food , Shaoyang , Hunan 422000 , China
Effects Of Re-Frying Processes On The Quality And Volatile Flavor Compounds Of Pre-Fried Coated Tofu, Nie Jingwen, Chen Hao, Zhao Dan, Zhou Xiaohu, Yang Dajun, Zhao Liangzhong
Food and Machinery
[Objective] To investigate the effects of deep frying process (DFP), microwave process (MP), and air frying process (AFP) on the quality and aroma characteristics of pre-fried coated tofu. [Methods] The optimal re-frying conditions are selected using slurry exudation rate, moisture content, color difference, and sensory evaluation as indicators. Subsequently, the re-frying method most suitable for consumers is comprehensively determined based on texture properties, oil content, malondialdehyde content, electronic nose analysis, and volatile compound composition. [Results] Under the three re-frying methods, the coated tofu exhibits an increase-then-decrease trend in slurry exudation rate and sensory evaluation, accompanied by a continuous decline in …
Effects Of Different Extraction Methods On The Chemical Composition And Antioxidant Activity Of Guangfoshou Essential Oil,
2026
School of Pharmacy , Guangzhou Xinhua University , Guangzhou , Guangdong 510520 , China
Effects Of Different Extraction Methods On The Chemical Composition And Antioxidant Activity Of Guangfoshou Essential Oil, Wang Youdi, Chen Wentao, Yan Bin, Xu Shuling, Lyu Yiting, Yang Yuyan, Xu Juanjuan, Ou Xiaohua
Food and Machinery
[Objective] To comparatively evaluate the effects of three extraction methods, i.e., steam distillation (SD), enzyme-assisted steam distillation (EHSD), and ultrasound-assisted steam distillation (UASD), on the extraction efficiency, chemical composition, and bioactivity of Citrus medica L. var. sarcodactylis (Guangfoshou) essential oil. [Methods] Guangfoshou essential oil was extracted using SD, EHSD, and UASD. The chemical constituents of the essential oils were analyzed by gas chromatography-mass spectrometry (GC-MS). Cluster heatmap analysis was employed to compare differences in essential oil composition obtained by the three extraction methods. Antioxidant activity was assessed based on total antioxidant capacity, DPPH radical scavenging activity, and hydroxyl radical scavenging …
Effects Of Shaping Methods On Water Extract And Chemical Composition Of Xinyang Maojian,
2026
Tea College of Xinyang Agriculture and Forestry University , Xinyang , Henan 464000 , China ;Henan Provincial Key Laboratory of Comprehensive Development of Tea Resources , Xinyang , Henan 464000 , China ;Dabie Mountain Laboratory , Xinyang , Henan 464000 , China
Effects Of Shaping Methods On Water Extract And Chemical Composition Of Xinyang Maojian, Chen Yi, Zhang Hanxue, Sun Mufang, Guo Guiyi, Yang Jie
Food and Machinery
[Objective] To explore the effects of shaping methods on the quality of Xinyang Maojian. [Methods] Fresh leaves (one bud and one leaf) from the Xinyang group tea cultivar are used as raw materials. Tea samples are prepared with four different processing techniques. Analysis was conducted based on sensory evaluation, water extract content under multiple infusions and after 30 minutes of brewing, and the physical and chemical components of the first infusion of tea. [Results] The content of water extract in the first infusion and after 30 minutes of brewing is in the order of frying > rolling = kneading > carding. The …
Research Progress In Extraction Of Food Functional Ingredients With Subcritical Dimethyl Ether,
2026
College of Chemistry and Chemical Engineering , Xinjiang Agricultural University , Urumqi , Xinjiang 830052 , China
Research Progress In Extraction Of Food Functional Ingredients With Subcritical Dimethyl Ether, Wan Xiaofu, Pan Le, Li Muchun
Food and Machinery
With the growing demand for high-quality natural product extracts, dimethyl ether as a new green solvent operating under subcritical conditions has exhibited notable benefits for the extraction of lipids, carotenoids, and long-chain polyunsaturated fatty acids, attributable to its distinctive physicochemical characteristics. This paper reviews the progress in the application of dimethyl ether in natural product extraction, focusing on its advantages in treating biomass with high moisture content, improving extraction efficiency, and reducing energy consumption and environmental load, with a view to providing reference for the application of subcritical dimethyl ether in extraction.
Functional Components And Food Application Progress Of Almond By-Products,
2026
College of Biochemical Engineering , Beijing Union University , Beijing 100023 , China
Functional Components And Food Application Progress Of Almond By-Products, Xie Jingyi, Wang Wanqing, Wang Xinyi, Yuan Chunle, Li Yuna, Hua Wei
Food and Machinery
As the global almond industry expands rapidly, large quantities of by-products are generated during processing (such as green hulls, shells, and skins), which are rich in functional constituents including polyphenols, flavonoids, dietary fibers, and volatile aroma compounds. This review summarizes the compositional characteristics and extraction technologies of these by-products, while elucidating their potential applications in food and biomaterials, with a specific focus on their antioxidant properties, bioactivities, and structural features. Furthermore, in light of recent research advances, the review further discusses poor stability, low bioavailability, challenges in processing compatibility, and other problems, proposing enhancement strategies such as nano-delivery, structural modification, …
Research Progress Of 3d Printing Technology In Food Texture Design,
2026
Guangdong University of Business and Technology , Zhaoqing , Guangdong 526020 , China
Research Progress Of 3d Printing Technology In Food Texture Design, Ou Suiling, Xie Zihong
Food and Machinery
Food texture is a key factor influencing consumer acceptance. With the growing demand for personalized and health-oriented diets, the technical bottlenecks of traditional food processing methods have gradually become apparent in texture control and diversified texture presentation. Owing to its flexible and personalized characteristics, 3D printing offers a novel approach for food texture design. This paper reviews the textures that can be personalized and optimized by 3D printing through material modulation, structural modeling, and equipment optimization. Furthermore, this paper analyzes the challenges faced by this technology, including cooking adaptability, food safety assurance, and consumer acceptance, proposing corresponding solutions.
Aesthetic Restraint And Blank Space : Design Translation Of Yuezhou Kiln Patterns In Yellow Tea Packaging,
2026
Hunan Institute of Science and Technology , Yueyang , Hunan 414000 , China
Aesthetic Restraint And Blank Space : Design Translation Of Yuezhou Kiln Patterns In Yellow Tea Packaging, Zhou Wenyu, Wan Changlin
Food and Machinery
To explore a new path for traditional ceramic culture to empower local food packaging, this paper takes Yueyang yellow tea as the target carrier and investigates the application strategy of Yuezhou Kiln patterns in modern packaging design. The article analyzes the aesthetic characteristics of aesthetic restraint and blank space in the decorative crafts of Yuezhou Kiln, along with their deep compatibility with contemporary minimalist design philosophy, and proposes design principles such as cultural continuity, functional priority, and freehand-style translation. By deconstructing and reorganizing kiln patterns and reconfiguring colors and materials, this study constructs a packaging visual system with regional distinctiveness, …
Detection Of Egg Components In Food By Microfluidic Digital Pcr,
2026
Changsha Institute for Food and Drug Control , Changsha , Hunan 410036 , China
Detection Of Egg Components In Food By Microfluidic Digital Pcr, Li Ben, Zhuo Yiming, Qin Jijun, Yang Lixia
Food and Machinery
[Objective] To establish a detection method for egg components in food using microfluidic digital polymerase chain reaction (PCR) technology. [Methods] Specific primers and fluorescent probes are designed based on the mitochondrial gene nicotinamide adenine dinucleotide dehydrogenase subunit 1 (ND1). Then, the reaction system and amplification conditions are optimized, and specificity and sensitivity are evaluated before being applied to actual food detection. [Results] The established method can specifically detect egg components, while no cross-reactivity is observed with other common poultry egg components, such as duck and goose eggs. The optimal annealing temperature is 56 ℃, and the optimal concentrations of primers …
Effects Of Frost Mulberry Leaf Powder On Properties Of Dough And Quality Of Bread,
2026
Department of Biological and Food Engineering , Lyuliang University , Lyuliang , Shanxi 033000 , China
Effects Of Frost Mulberry Leaf Powder On Properties Of Dough And Quality Of Bread, Zhang Erfang, Feng Yan, Zhang Yixin
Food and Machinery
[Objective] To explore the effects of frost mulberry leaf powder (FMLP) on the processing characteristics of dough and the quality and storage properties of bread. [Methods] FMLP is blended with wheat flour, and the rheological properties of the dough are analyzed by a rheometer. Bread quality is evaluated in terms of texture, color, specific volume, and sensory attributes. The TOPSIS method is adopted for comprehensive evaluation, and variations in moisture and hardness of bread during storage are compared. [Results] The addition of FMLP increases the G', G", and tanδ of the dough, enhances the hardness and chewiness of the bread, …
