Journal of Stored Products Research最新文献

{"title":"The effectiveness of phosphine fumigation of wheat in a farm-scale thermosyphon silo","authors":"","doi":"10.1016/j.jspr.2024.102414","DOIUrl":"10.1016/j.jspr.2024.102414","url":null,"abstract":"<div><p>Fumigation of pests is essential for maintaining the quality of stored grain. Rapid and effective pest control is the key to minimise damage to the valuable grain. The current study investigated the efficiency of a farm-scale thermosyphon silo to passively circulate phosphine fumigant gas by measuring the phosphine concentrations at a series of points throughout the silo. A 50 tonne sealable grain silo with an external thermosyphon was fitted with gas sampling lines at three different levels in the grain body, and also in the headspace. The grain was fumigated with phosphine gas 12 times over a 12 month period to contrast the thermosyphon system efficiency under varied external environmental conditions. The minimum fumigation standards of 200 ppm for 10 days or 300 ppm for 7 days were reached and exceeded in all fumigation cycles throughout the year in 12.5–22 days, demonstrating the effectiveness of the thermosyphon system. In addition, the final fumigation was held until the phosphine concentration dropped to 200 ppm. The silo reached 200 ppm only four days after fumigation, reached a maximum of approximately 600 ppm after 30 days, and did not fall below 200 ppm until 106 days after fumigation. Linear air velocity in the was also measured in the thermosyphon pipe and showed that airflow could reach as high as 2.7 m/s, but flow was sporadic and not consistent, most likely due to pressure build up on the headspace of the silo due to resistance to airflow by the bulk grain body. Temperature and humidity results indicated that while both parameters are fundamental in the production of phosphine from aluminium phosphide tablets, they work against each other. This provides an effective control mechanism that prevents the rapid production of phosphine, thereby reducing the buildup of phosphine and reducing the risk of an explosion.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0022474X24001711/pdfft?md5=72eac020e0dec125a88faa4e39cdec91&pid=1-s2.0-S0022474X24001711-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142168629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing the technological, functional and storage quality of plant-based milk with supplementation of turmeric juice","authors":"","doi":"10.1016/j.jspr.2024.102405","DOIUrl":"10.1016/j.jspr.2024.102405","url":null,"abstract":"<div><p>Turmeric juice is loaded with many nutrients and medicinal properties. In this aspect, a study was carried out to improve the quality of soymilk with the incorporation of turmeric juice at different levels (0–30%). The treated soymilk was assessed for organoleptic, physiochemical, bioactive, rheological, particle size, zeta potential, microbial and storage stability characteristics. Turmeric juice substitution in soymilk improved organoleptic, bioactive, rheological and shelf life parameters. The results revealed that with the increasing level of turmeric incorporation the acidity, total solids, viscosity and ash content increased and pH decreased in soymilk. However, Total phenols, flavonoids and antioxidant activity increased from 4.12 to 10.06 mg GAE/100g, 0.374–0.876 Fe²⁺μg-ml⁻¹ and 33.78–37.50 % inhibition, respectively. The frequency sweep and shear experiments showed that the turmeric juice in soymilk modified the rheological parameters of the soymilk. Substitution increased the hydrodynamic particle size (323–1051.6 nm) and decreased the zeta potential values. The sensory analysis indicated that turmeric juice at the level of 15% incorporation in soymilk depicted best sensory acceptability. Storage studies revealed that turmeric substituted milk samples were stable for 20 days under refrigerated conditions with intact overall quality. Thus this study provides valuable vision for the development of turmeric juice enriched plant based beverages with improved technological quality that highlights possible suggestions for its commercialization prospective.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142168627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of ultrasound blanching followed by hot air-coupled microwave drying on the quality of perilla leaves","authors":"","doi":"10.1016/j.jspr.2024.102419","DOIUrl":"10.1016/j.jspr.2024.102419","url":null,"abstract":"<div><p>To improve the drying efficiency and quality of dried perilla leaves, this work investigated the impact of ultrasound and blanching (UB) pretreatment followed by hot air coupled microwave drying (MHD) on the drying kinetics, activation energy, color difference and microstructure of perilla leaves. The effects of 2 UB duration (1 min, 3 min) and drying temperature (50, 60, 70 °C) on the chlorophyll, flavonoid and volatile content of perilla leaves were also evaluated. The results revealed that UB pretreatment increased the drying rate, improved the effective moisture diffusivity and reduced the activation energy. It was found that drying at 70 °C without UB pretreatment had the lowest Δ<em>E</em> (14.68) and highest chlorophyll (2.38 mg/g), whereas UB pretreatment could retain a greater content of flavonoids (0.116 mg/g) at 50 °C for 1 min and preserve better odor characteristics. Taken together, these findings suggest that UB pretreatment is an alternative method for maintaining good quality for the MHD of perilla leaves.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142168628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating the effect of combined radiofrequency cold plasma (RF-CP) treatment on techno-functional attributes of Cashewnut","authors":"","doi":"10.1016/j.jspr.2024.102406","DOIUrl":"10.1016/j.jspr.2024.102406","url":null,"abstract":"<div><p>In the realm of food safety, dried foods often find themselves on the favourable side of the risk spectrum, enjoying the reputation of being relatively safer. However, dried food products are reportedly contaminated by microorganism beyond permissible limits, thus, depleting their quality, shelf-life, etc. and pose a threat to the consumers. This study aims to explore the effect of radiofrequency low-pressure cold plasma (RF-CP) processing on cashew nuts, using four gas combinations: Nitrogen (N₂), Argon (Ar), N₂+O₂, and Ar + O_2. Dried cashew nut kernels underwent RF-CP treatment at six different power options (60, 90, 120, 150, 180, and 210 W), at four distinct time (5, 10, 15, and 20 min). Following the treatment, the samples underwent proximate analysis, microbial load reduction, sensory analysis, peroxide value, and texture analysis. The findings exhibited a direct relationship between plasma power and treatment duration, indicating that an escalation in both parameters induced proportional enhancement in the reduction rate of microbes, with a maximum reduction of over 99% in total plate count, yeast and mould count at 120 W for 20 min and 150 W for 15 min for N₂+O₂ and Ar + O₂ gas combinations, respectively. No statistically significant difference was observed in the sensory, nutritional, and peroxide value between the treated and untreated samples (<em>p &gt; 0.05</em>). However, the moisture content of treated sample decreased, and firmness increased with an increase of power and RF-CP exposure time. This research demonstrates the feasibility of using RF-CP to decontaminate cashews by inactivating microbes, extending shelf life, and altering surface properties, which may enhance texture and appearance. However, it may also induce oxidative changes in lipids and proteins, potentially affecting flavor, nutritional quality, and allergenicity. It is an emerging and alternative to high-temperature processing for disinfecting products like nuts, spices, aromatic plants, and other delicate and luxurious foods.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142163219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating the multifaceted changes in physicochemical and nutritional attributes of chicken-based nutri cereal mix under cold plasma treatment","authors":"","doi":"10.1016/j.jspr.2024.102416","DOIUrl":"10.1016/j.jspr.2024.102416","url":null,"abstract":"<div><p>In this study multifaceted changes in physicochemical and nutritional properties of nutri-cereal mix (NC_M) under cold plasma treatment (CPT) were investigated. In present investigation NC_M was prepared and treated under CPT using a DBD-based plasma source for 5 min, 10 min, and 15 min at 9 kv. The results revealed that the water and oil absorbing capacity of cold plasma treated Nutri cereal mix (CPT-NC_M) increased with increasing CPT time. The carbohydrate content in CPT-NC_M decreased with increasing CPT time. From the colour analysis it was observed that the total colour difference (TCD) and whiteness index (WI) increased from 0.23 (NC_M -5) to 0.97 (NC_M -15), and 55.11 (NC_M -5) to 56.08 (NC_M -15), respectively. Additionally, the differential scanning calorimetry (DSC) analysis suggested that the thermostability of CPT-NC_M is likely affected by NC_M levels and changes in protein structure and conformation. The diffractograms and micrographs confirmed the crystallinity and microstructural changes in protein content, respectively. Amino acid profiling confirmed that NC_M -10 comprises the higher amount of most of the analysed amino acids. Overall, the current study recommends that CPT enhances the physicochemical and nutritional properties of NCM, making it suitable for producing a variety of food products with improved quality characteristics.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142163318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effects of various storing temperatures in suppressing Aspergillus flavus and mycotoxin contaminations in hermetically packed dried nutmeg (Myristica fragrans Houtt) seed","authors":"","doi":"10.1016/j.jspr.2024.102403","DOIUrl":"10.1016/j.jspr.2024.102403","url":null,"abstract":"<div><p>Nutmeg seeds from Indonesia are an important agricultural commodity with various culinary and medicinal uses. However, they often face issues with fungal and aflatoxin contaminations, leading to increased border rejections. To address those issues, a study was conducted to minimize the risk of contamination by adjusting storage temperatures for whole nutmeg seeds without shells. The research involved storing nutmeg seeds at different temperatures (16, 22, and 28 °C) over three periods (0, 30, and 60 days) using hermetically sealed packaging to control <em>Aspergillus flavus</em> growth and aflatoxin contamination. The findings revealed that storing the seeds at 16 °C resulted in optimal moisture content (5–6%) and minimal weight loss (below 4%), preventing significant physical attribute degradation. This approach also effectively controlled mold growth (the least colony diameter = 14–20 mm), and subsequently kept aflatoxin B₁ (0.8–4.3 μg/kg), total aflatoxin (1.5–4.5 μg/kg), and ochratoxin A (0.6–1.1 μg/kg) contaminations below the allowable limit for up to 60 days. These findings are significant as they provide a viable solution for long-distance distribution, thereby reducing the risk of border rejections and increasing market value in the nutmeg industry.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142149363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Postharvest blown-arc plasma treatment did not reduce Fusarium graminearum or its mycotoxins in field-infested wheat grain","authors":"","doi":"10.1016/j.jspr.2024.102402","DOIUrl":"10.1016/j.jspr.2024.102402","url":null,"abstract":"<div><p>The increasing prevalence of <em>Fusarium graminearum</em>, a major causative pathogen of Fusarium head blight in cereal crops, leads to contamination of grain with mycotoxins, which necessitates the development of effective management strategies. This study investigated whether postharvest Blown-Arc plasma treatment could reduce <em>F</em>. <em>graminearum</em> and associated mycotoxins in field-infested grain. Postharvest Blown-Arc plasma treatment for 60 or 180 s was trialled to reduce <em>Fusarium graminearum</em> and deoxynivalenol (DON) mycotoxins in field-infested wheat grain. Changes in fungal components of the grain microbiome following the treatment were assessed using metabarcoding analysis of the nuclear ribosomal internal transcribed spacer gene region, and liquid chromatography mass spectrophotometry was used to measure changes in concentrations of the mycotoxins deoxynivalenol (DON), DON-3-glucoside (DON3-G) and 3-acetyl-DON (3-ADON). <em>Fusarium</em> spp. were the most common taxa in the grain over two seasons, with the relative abundance being higher in 2020 (72%) compared to 2021 (45%). Postharvest plasma treatment of field-infested grain for 60 or 180 s did not significantly lower <em>Fusarium</em> abundance. Alpha and beta diversity of the natural mycobiota in the grain were also unaffected. The concentrations of mycotoxins were not significantly different after the treatments, except that in the 2021 trial, the 180 s treatment caused a significant increase in DON concentration. We concluded that the postharvest plasma treatment used in this study did not reduce <em>Fusarium</em> contamination or the concentration of mycotoxins, DON, DON3-G and 3-ADON in field-infested grain. The results highlight the importance of using field-infested grain in experiments, as opposed to grain inoculated under laboratory conditions, which provides only superficial infection. This approach is crucial for accurately understanding the dynamics of treatment efficacy.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0022474X24001590/pdfft?md5=e2d07126d8f48855c2d0e604bacf08ed&pid=1-s2.0-S0022474X24001590-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142128704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Storage structures and determinants for their adoption by maize farmers in southern and central Benin","authors":"","doi":"10.1016/j.jspr.2024.102404","DOIUrl":"10.1016/j.jspr.2024.102404","url":null,"abstract":"<div><p>In Benin, protecting maize stocks against pests remains a major problem. The aim of this study was to record the post-harvest storage/conservation structures for maize in southern and central Benin, and to analyze the factors associated with maize growers' choice of each storage structure. Then, 530 maize growers were interviewed in 24 arrondissements of 7 communes, one commune per department. The communes with the highest average maize production over the last 5 years were selected. The quantitative survey was followed by focus groups. Eleven storage/conservation structures divided into 4 categories were used by producers. The time length of the structures varied according to the type. The adoption of a structure depended on the storage form used by the grower, his PDA (Agricultural Development Pole) and the commune. The adoption of granaries made of local materials by producers was affected by level of education (P = 0.024), the producer's main activity (P = 0.026), the storage method used by the producer (on the cob with husks: P &lt; 0.001 and without husks: P = 0.001) and the lifespan of the storage structure (P &lt; 0.001). The use of rooms/stores by growers for bulk storage on the ground is affected by the grower's PDA (P = 0.042), the lifetime of the structure (P &lt; 0.001) and the duration of storage (P = 0.008). The religion (P = 0.007), level of education (P = 0.006), storage form (P &lt; 0.001) and whether or not producers had attended a training session on maize post-harvest technologies (P = 0.005) affected the choice of polyethylene bags for maize storage. Gender (P &lt; 0.001), the producer's main activity (P = 0.007) and maize storage duration (3–6 months: P = 0.03; &gt;6 months: P &lt; 0.001) determined the adoption of barrels as storage structures by producers. The choice of storage/conservation structure for maize is determined by the storage method, the geographical position and the socio-professional and economic status of the producer.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142136829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Applications of novel non-thermal physical field technologies in enhancing the quality and storage stability of grains","authors":"","doi":"10.1016/j.jspr.2024.102398","DOIUrl":"10.1016/j.jspr.2024.102398","url":null,"abstract":"<div><p>The quality and storage stability of grains are crucial for global food security. However, these properties can deteriorate due to internal respiratory processes and external factors, leading to drawbacks such as color change, lipid deterioration, starch aging, and protein denaturation. Traditional thermal processing techniques often result in nutrient loss and quality deterioration, prompting an increased focus on novel non-thermal treatment technologies in grain storage research. This review focuses on the application of four non-thermal physical field technologies in grain storage: cold plasma, pulsed electric field, ionizing radiation, and ultrasonic treatment. It presents the fundamental principles and mechanisms of these non-thermal physical field technologies, outlining their impact on quality attributes such as color, texture, and flavor, as well as nutrients such as starch, protein, fat, and bioactive substances during grain storage. This review also discusses the application of non-thermal treatments to enhance grain quality and extend shelf life. The review also addresses challenges and future trends in applying these physical field technologies to grain storage, emphasizing the need for further research to understand the interaction between non-thermal processing techniques and grains. This understanding will facilitate the early adoption of these technologies in the food industry.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142128705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integration of dual band radio waves and ensemble-based approach for rice moisture content determination and localisation","authors":"","doi":"10.1016/j.jspr.2024.102399","DOIUrl":"10.1016/j.jspr.2024.102399","url":null,"abstract":"<div><p>Maintaining optimal moisture content in grain storage is critical to ensuring adequate supply throughout the year, but it presents a significant challenge. Current moisture measurement methods often necessitate sophisticated and costly equipment. This paper introduces an approach employing real-time rice moisture content determination and detection of spoilage (specifically wet spots) within a storage facility achieved through the utilisation of radio waves operating at 2.4 GHz and 868 MHz, along with an ensemble-based machine learning algorithm. Experimental samples spanning from 12% to 30% moisture levels were collected, then subjected to pre-processing, and subsequently employed to train the Ensemble-based Rice Moisture Content and Localisation (eRMCL) algorithm. The eRMCL produced an effective prediction of both rice moisture content and the localisation of wet spots within the grain storage unit. The results show that compared to support vector machine, random forest, and machine learning methods, the eRMCL algorithm had the best performance metrics, with an accuracy of 94.8% in predicting the moisture content and location of spoilage in storage. The measurement of moisture content and the identification of wet spots in rice storage using the dual frequency wave approach were found to be more accurate than with a single frequency band. Thus, the dual frequency band is a novel method for the determination of the moisture content of stored rice and the localisation of the spoilage area.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142088005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}