Subsequent Food Research Articles

Nanoenabled Enhancement of Plant Tolerance to Heat and Drought Stress on Molecular Response.

Global warming has posed significant pressure on agricultural productivity. The resulting abiotic stresses from high temperatures and drought have become serious threats to plants and subsequent global food security. Applying nanomaterials in agriculture can balance the plant's oxidant level and can also regulate phytohormone levels and thus maintain normal plant growth under heat and drought stresses. Nanomaterials can activate and regulate specific stress-related genes, which in turn increase the activity of heat shock protein and aquaporin to enable plants' resistance against abiotic stresses. This review aims to provide a current understanding of nanotechnology-enhanced plant tolerance to heat and drought stress. Molecular mechanisms are explored to see how nanomaterials can alleviate abiotic stresses on plants. In comparison with organic molecules, nanomaterials offer the advantages of targeted transportation and slow release. These advantages help the nanomaterials in mitigating drought and heat stress in plants.

Fate and disposition of [14C]-polystyrene microplastic after oral administration to laying hens

Micro/nanoplastics (MP) are emerging environmental contaminants of great concern because of their ubiquitous distribution in air, soil, water, and food. Reports have described MP in the excreta of food animals, but their absorption, distribution, and elimination in terrestrial animals used for human consumption is essentially unexplored. To determine the absorption and distribution of [14C]-polystyrene (PS) MP, laying hens (n = 15) were bolus dosed with 10 μCi/hen (11.1 ± 0.8 mg/kg) and the extent of radioactivity in blood and tissues was determined in birds harvested on withdrawal days (WD) 1, 2, 3, 4, and 7 (3 hens per WD). Radiocarbon was also determined in egg fractions and excreta collected throughout the study. Blood, eggs, and tissues contained a total of <1 % of the administered dose, demonstrating that polystyrene microparticles were poorly absorbed. Recovery of radioactivity in excreta within the first withdrawal day was nearly quantitative (96.8 ± 14.5 %, n = 15), suggesting exposure of poultry to dietary PS-MP would not likely represent subsequent food safety risks and that most PS-MP present in poultry diets would return to the environment.

Development of a novel serogrouping method for the rapid detection of 21 Escherichia coli O-serotypes using multiplex real-time PCR

Escherichia coli O-serotypes are associated with pathogenesis; thus, rapid and accurate serogrouping is required to prevent foodborne outbreaks. In this study, a novel multiplex real-time PCR method was developed for E. coli serogrouping to overcome some limitations of conventional and in silico serogrouping. Two O-serotype genes, wzy and wzx, were selected, and 21 primer–probe sets were designed for determining O-serotypes. To evaluate this, 11 O-serotype reference strains and 43 environmental isolates were tested: serogrouping took <40 min and the detection limit was 1–10 pg DNA, indicating that rapid identification was achieved with high sensitivity and without false-positive results. Subsequent food tests revealed that the method worked perfectly even at 101 CFU per ground beef sample; thus, O-serotypes were identifiable in food environments. The developed multiplex real-time PCR serogrouping method can rapidly, inexpensively, and accurately identify E. coli O-serotypes; therefore, it could help prevent foodborne outbreaks.

Exploring agriculture, climate change, and food planning nexus

In Portugal, local answers to climate change and food are basically twofold: the approval of a Climate Adaptive Strategy or Plan, which are largely being formulated by Portuguese municipalities and the voluntary signature of the Glasgow Food and Climate Declaration. As both folds are not binding their impact is limited. However, a recent Portuguese framework Law on Climate [2021], aligned with the European Green Deal, imposes that all municipalities must approve a municipal climate action plan before summer 2024. Such a context opens up a window of opportunity to reflect on the lessons learned from the already approved Climate Adaptive Plans and Strategies. Therefore, we explore in this paper the following inter - connected questions: (1) to what extent Climate Adaptive Plans and Strategies include the increase of local food production; (2) Do they consider each step of the food chain or solely food production? (3) To what extent are those measures transcribed into the planning rules and regulations. In order to do so, we analysed 14 Climate Adaptive Strategies or Plans of a selected group of cities that entered the national competition ECO XXI, based on a sustainable framework of multiple dimensions. In 2021, as much as 57 out of the 308 Portuguese municipalities entered the competition. Results suggest that adaptive measures relate to increasing local agriculture, mapping out land availability or highlighting the need for local agroecological practices. Moreover, Climate Adaptive Strategies or Plans, measures and actions are predominantly related to agriculture production, leaving behind subsequent food chain activities. This is probably happening due to a narrow and sectorial vision of agriculture that do not consider each one of the stages of the food chain. Lastly, the inclusion of several measures and actions into planning instruments is quite promising, even if still fragile to transform existing reality. In conclusion, there is an urgent need to expand among food stakeholders the understanding of food and agriculture as part of the food system. In addition, there is a need to increase planner’s awareness to these topics as in practice the link between food, climate and planning is still missing. Findings highlight that the potential role of planning is not being fully unleashed. Such a consideration is in line with other international studies confirming that Portugal is not an exception. Therefore, lessons we learned might turn useful for other countries.

Is food produced by farmers healthier, more natural, and gaining more popularity? Research on the influencing mechanism of food producer labels on consumers' food choices.

Extant studies have demonstrated the relationship between naturalness and healthiness, and the effectiveness of various food labels in influencing consumers' perception of food and subsequent food choices. However, little attention has been given to food producer labels. Drawing on Stimulation-Organism-Response theory, the current study explored the causal relationship between food producer labels and consumers' food choices. Three studies (562 participants) were employed to test the main effect, the mediating effect, and the moderating effect. The results showed that: (1) food producer label could influence consumers' food choice, that is, produced-by-farmer label (vs. produced-by-enterprise label vs. control group) could significantly increase consumers' food choices, while there is no significant difference between produced-by-enterprise label and control group. (2) Perceived naturalness and standardization perception mediate the effects on consumers' food choices of food producer labels. (3) Food processing level moderates the effect of food producer label on consumers' food choices. The current study enriches the research of food label and food choice, expands the application of Stimulation-Organism-Response theory in consumer behavior, and provides some practical suggestions for consumers, enterprise and policy-maker. Various kinds of experiments (online and offline) enhanced the conclusions' ecological validity. Finally, the limitations and future research are discussed.

Impact of food-related conflicts on self-reported food insecurity

Food security is recognized as an inherent human right, enshrined within the principles of the Agenda 2030. The Global Report of Food Crises 2022 points out 193 million people facing severe food insecurity across 53 countries, posing challenges to decision-makers and institutions. Among the many causes of food crises, violent conflict, economic shocks, and environmental pressures are the most influential. In this work, we focus primarily on the conflict-related domain. Finding a stable relationship between conflict and food insecurity is complex for several reasons: first, the relationship is mutually reinforcing; second, the full impact of conflict on food insecurity may take time to have an effect; and third, conflict itself is a multidimensional phenomenon and can include multiple types of violent events. This research set out to comparatively assess the impact of different types of violence on self-reported food insecurity in three prominent food crisis contexts: Burkina Faso, Syria, and Yemen. A measure of food-related classifying events was developed using a rules-based approach. The analysis showed that this approach can effectively code and classify food-related conflict in diverse contexts. By refining the search string, it becomes possible to capture food-related conflict in various food systems. Our findings point out that the new-build measure of food-related conflict is more strongly correlated to subsequent self-reported insufficient food consumption than other forms of violence. The results demonstrate that this relationship is robust across a range of data collection windows and across discrete time periods of analysis. In summary, the research suggests that focusing on the use of food and food systems as tactics in conflict can be highly valuable for understanding and addressing food insecurity.

УЧРЕДИТЕЛЬНОЕ СОБРАНИЕ ФРАНЦУЗСКОЙ РЕВОЛЮЦИИ КОНЦА XVIII ВЕКА В БОРЬБЕ С САМОУПРАВСТВОМ ТОЛПЫ

In France under the Old Regime crop failures and subsequent food riots were a frequent occurrence. In the mythologized consciousness of the masses, there was an idea of a "hunger pact" - the desire of those in power to kill the people. The social groups associated with grain operations - large farmers, wealthy merchants, millers, bakers - were considered the instrument of this "conspiracy". The revolutionary events unfolding in the summer of 1789 marked the beginning of the collapse of the former government and created a sense of permissiveness among the population. Hence the self-styled reprisals of half-starved crowds against their real, and more often imaginary enemies. At first, the still politically weak revolutionary elite did not dare to take serious measures to counter popular riots and the extrajudicial reprisals that accompanied them. But in the autumn of 1789 the position of the Constituent Assembly was strengthened, and besides, it relied on local authorities and the National Guard.The murder of the baker Francois by the mob was the catalyst for passing a martial law decree. This law, and even more the resolution of the food crisis, led to the establishment of relative public peace, which made it easier for the legislators to carry out profound changes in various social and political spheres.

Impact of olfactory priming on mental representations of food concepts and subsequent food choice

Impact of olfactory priming on mental representations of food concepts and subsequent food choice

Towards Food Image Retrieval via Generalization-Oriented Sampling and Loss Function Design

Food computing has increasingly received widespread attention in the multimedia field. As a basic task of food computing, food image retrieval has wide applications, that is, food image retrieval can help users to find the desired food from a large number of food images. Besides, the retrieved information can be applied to establish a richer database for the subsequent food content-related recommendation. Food image retrieval aims to achieve better performance on novel categories. Thus, it is worth studying to transfer the embedding ability from the training set to the unseen test set, that is, the generalization of the model. Food is influenced by various factors, such as culture and geography, leading to great differences between domains, such as Asian food and western food. Therefore, it is challenging to study the generalization of the model in food image retrieval. In this article, we improve the classical metric learning framework and propose a generalization-oriented sampling strategy, which boosts the generalization of the model by maximizing the intra-class distance from a proportion of positive pairs to avoid the excessive distance compression in the embedding space. Considering that the existing optimization process is in an opposite direction to our proposed sampling strategy, we further propose an adaptive gradient assignment policy named gradient-adaptive optimization , which can alleviate the intra-class distance compression during optimization by assigning different gradients to different samples. Extensive evaluation on three popular food image datasets demonstrates the effectiveness of the proposed method. We also experiment on three popular general datasets to prove that solving the problem from the generalization can also improve the performance of general image retrieval. Code is available at https://github.com/Jiajun-ISIA/Generalization-oriented-Sampling-and-Loss .

Acerola (Malpighia emarginata) and açaí (Euterpe oleracea) extracts as active compounds of starch/gelatin-based solutions: Rheological characterization

This study aimed at an unprecedented rheological investigation of starch (S)/gelatin (G)-based solutions (SG) as possible candidates for food packaging films. Phenolic extracts from acerola (M. emarginata) fruit (AFE) and açaí (E.oleracea) seed flour (ASFE) were incorporated as active compounds in two different concentrations (2 and 4 mg extract g-1 solution). All the solutions were more elastic than viscous (G’ > G”) and the extracts incorporation decreased their elastic character, leading to higher tanδ (G”/G’) values (from 0.157 ± 0.006 in SG to 0.338 ± 0.036 in SASFE4G). The extracts improved the viscoelastic stability of the solutions, with critical strain values about 100% greater than SG. Moreover, G’ and G” moduli were more susceptible to cross (flow point) both as a function of frequency and temperature in the ASFE-containing solutions. The viscosity of the solutions was more influenced by the type of the extracts than by their concentration, ranging from 73.85 ± 9.22 Pa s (SASFE2G) to 116.50 ± 7.63 Pa s (SAFE4G). SASFE4G was the least sensitive solution to temperature changes, with the lowest activation energy (20.63 kJ mol-1). All the solutions presented non-thixotropic behavior, and the ASFE-containing solutions supported higher % of strain but recovered the least after deformation. Therefore, the results of the complete rheological assessment of starch/gelatin-based solutions containing phenolics from acerola fruit and açaí seed flour are a previous and unprecedent characterization of these materials and can be related to the application of the films formed by them in subsequent food packaging studies.

Neurocognitive predictors of food memory in healthy adults – A preregistered analysis

Memory processes have long been known to determine food choices (Rozin & Zellner, 1985) but recognition memory of food and its cognitive, homeostatic and neuroanatomical predictors are still largely understudied.60 healthy, overweight, non-restrictive eating adults (20 females) took part in a food wanting and subsequent food recognition and lure discrimination task at four time points after a standardized breakfast shake. With advanced tractography of 3 T diffusion-weighted imaging data, we investigated the influence of the uncinate fasciculus’ (UF) brain microstructure on the interplay of food wanting and memory processes. The analysis was preregistered in detail and conducted with Bayesian multilevel regression modeling.Target recognition (d’) and lure discrimination (LDI) performance of food tended to be higher than of art images while single image food memory accuracy evidently dominated art memory. On this single item level, wanting enhanced recognition accuracy and caloric content enhanced food memory accuracy. The enhancement by reward anticipation was most pronounced during memory encoding. Subjective hunger level did not predict performance on the memory task. The microstructure of the UF did neither evidently affect memory performance outcomes nor moderate the wanting enhancement of the recognition accuracy. Interestingly, female participants outperformed males on the memory task, and individuals with stronger neuroticism showed poorer memory performance.We shed light on to date understudied processes in food decision-making: reward anticipation influenced recognition accuracy and food memory was enhanced by higher caloric content, both effects might shape food decisions. Our findings indicate that brain microstructure does not affect food decision processes in adult populations with overweight. We suggest extending investigation of this interplay to brain activity as well as to populations with eating behaviour disorders.

Differential shifts in microbiome and pathogen populations associated with suppressive soil in long-term continuous corn field compared to rotation corn field

Unraveling soil suppressiveness and the involvement of microbiome could provide the insight needed to advance development of cost-effective and eco-friendly alternatives for managing plant diseases. This could enhance global crops and subsequent food production without large-scale use of pesticides, which may cause pollution and negatively affect human health. The goal of this study was to evaluate changes in the microbiome and diversity of beneficial microbial communities in soils suppressive to soilborne pathogens under long-term continuous corn cultivation compared to rotation corn fields. Samples were collected three times during the year from four locations in Nebraska. Sequencing was conducted on the paired-end Illumina HiSeq platform with three primer sets, including 515F/806R, 1737F/2043R, and 1380F/1510R. Parameters evaluated for microbial activity showed a consistent pattern where they were significantly (p = 0.05) greater in continuous corn than rotation in one region of the state but no differences in another region. There were relatively higher operational taxonomic units (OTUs) for the potential biocontrol agents Bacillus, Paenibacillus, Massilia, Pseudomonas, and Sphingomonas in the long-term continuous corn field compared to the other three locations. This study identified certain microbial populations which appeared to drive community activities, the link between pathogens and beneficial organisms, the effect of soil nutrients, and the net feedback that played important roles in the development of soil suppressive properties. Additional research is needed to unravel the mechanisms and to fast-track the time required to attain soil suppressiveness.

A phase 2 study of Bruton's tyrosine kinase inhibition for the prevention of anaphylaxis.

IgE-mediated anaphylaxis is a potentially fatal systemic allergic reaction for which there are no currently FDA-approved preventative therapies. Bruton's tyrosine kinase (BTK) is an essential enzyme for IgE-mediated signaling pathways, and is an ideal pharmacologic target to prevent allergic reactions. In this open-label trial, we evaluated the safety and efficacy of acalabrutinib, a BTK inhibitor that is FDA-approved to treat some B cell malignancies, in preventing clinical reactivity to peanut in adults with peanut allergy. After undergoing graded oral peanut challenge to establish their baseline level of clinical reactivity, 10 patients had a 6-week rest period, then received four standard doses of 100 mg acalabrutinib twice daily and underwent repeat food challenge. The primary endpoint was the change in patients' threshold dose of peanut protein to elicit an objective clinical reaction. At baseline, patients tolerated a median of 29 mg of peanut protein before objective clinical reaction. During subsequent food challenge on acalabrutinib, patients' median tolerated dose significantly increased to 4,044 mg (range, 444 - 4,044 mg). Seven patients tolerated the maximum protocol amount (4,044 mg) of peanut protein with no clinical reaction, and the other 3 patients' peanut tolerance increased between 32- and 217-fold. Three patients experienced a total of 4 adverse events that were considered to be possibly related to acalabrutinib; all events were transient and nonserious. Acalabrutinib pretreatment achieved clinically-relevant increases in patients' tolerance to their food allergen, thereby supporting the need for larger, placebo-controlled trials. gov NCT05038904FUNDING. AstraZeneca Pharmaceuticals, the Johns Hopkins Institute for Clinical and Translational Research, the Ludwig Family Foundation, and NIH grants AI143965 and AI106043.

Incorporation of Large-Scale Prepared Poly(ethylene oxalate) into Biodegradable Poly(butylene adipate-co-terephthalate) Blown Films with Enhanced Mechanical and Barrier Performance

With the breakthrough of large-scale production of poly(ethylene oxalate) (PEOx) engineering technology, the promising sustainable polyoxalate material with high mechanical strength and marine degradability processes the feasibility of commercialization. By blending PEOx produced in 150 L pilot polymerization systems with commercial poly(butylene adipate-co-terephthalate) (PBAT) polyester, followed by a film-blowing process, the compatibility, mechanical properties, barrier properties, particularly the marine degradability, were systematically studied. Results revealed that adding the appropriate amount of PEOx as rigid particles could significantly enhance the comprehensive performance of the PBAT/PEOx blend films. More appealingly, the preferential hydrolysis of the PEOx component caused the surface of the blend film to break more easily in the marine environments, creating conditions for further degradation of the blend matrix. Additionally, the subsequent bag-making and food preservation process also proved that the film material is a potential candidate for broader commercial applications. Accordingly, for commercial applications of plastics, the PBAT/PEOx blend film is a valuable marine-degradable material in terms of environmental and economic sustainability.

Winter food selection and exploratory behavior vary with natal territory characteristics in wild great tits

Differences in habitat characteristics experienced during rearing associate with variation in a range of behavioral phenotypes such as exploratory behavior, foraging behavior and food selection. The habitat-dependent selection hypothesis predicts that animals develop behavioral characteristics fitted to their rearing environment. Yet, little is known about how habitat characteristics during rearing shape how animals face winter conditions and adjust their winter foraging behavior. The aim of this study was to explore how fine-scale rearing habitat characteristics associate with exploratory behavior, food selection, and foraging performance during winter. For this, we measured habitat characteristics during the breeding season in territories of wild great tits (Parus major) and tested first-year juvenile birds that fledged from these territories for exploratory and foraging behavior at feeders during winter. We found evidence that faster explorers were raised in territories with lower quality habitat characteristics. In addition, fast exploring fledglings visited the feeders significantly more (total visits). Moreover, the rearing environment, via caterpillar availability and tree species composition, determined diet selection during winter in first-year birds. These results show support for the habitat-dependent selection hypothesis, since exploratory behavior as well as food selection during winter associate with habitat features of the rearing territories during development. This pattern can be caused either by the kinds of natural foods prevalent during rearing at these sites or because of intrinsic individual differences. Further experiments are needed to disentangle these two.Significance statementIndividuals vary in how they behaviorally adapt foraging and food selection strategies to the environmental conditions. A number of studies have shown that animals develop behavioral characteristics fitted to their rearing environment. However, how habitat characteristics during rearing shape the foraging strategy that animals use to face winter conditions is still unknown. We studied these links in yearling great tits using automated feeders that recorded their visits during winter. Fledglings with a higher exploratory score were born in territories with lower quality habitat characteristics and visited the feeders more. Furthermore, we found an association between caterpillar availability and tree species composition in the rearing territory of juveniles and their subsequent food selection in winter. Our study indicates that certain environmental conditions might favor the development of particular behaviors in birds and that early nutrition could shape food choice later in life.

Sleeve gastrectomy causes weight-loss independent improvements in hepatic steatosis.

Sleeve gastrectomy (VSG) leads to improvement in hepatic steatosis, associated with weight loss. The aims of this study were to investigate whether VSG leads to weight-loss independent improvements in liver steatosis in mice with diet-induced obesity (DIO); and to metabolically and transcriptomically profile hepatic changes in mice undergoing VSG. Mice with DIO were treated with VSG, sham surgery with subsequent food restriction to weight-match to the VSG group (Sham-WM), or sham surgery with return to unrestricted diet (Sham-Ad lib). Hepatic steatosis, glucose tolerance, insulin and glucagon resistance, and hepatic transcriptomics were investigated at the end of the study period and treatment groups were compared with mice undergoing sham surgery only (Sham-Ad lib). VSG led to much greater improvement in liver steatosis than Sham-WM (liver triglyceride mg/mg 2.5 ± 0.1, 2.1 ± 0.2, 1.6 ± 0.1 for Sham-AL, Sham-WM and VSG respectively; p = 0.003). Homeostatic model assessment of insulin resistance was improved following VSG only (51.2 ± 8.8, 36.3 ± 5.3, 22.3 ± 6.1 for Sham-AL, Sham-WM and VSG respectively; p = 0.03). The glucagon-alanine index, a measure of glucagon resistance, fell with VSG but was significantly increased in Sham-WM (9.8 ± 1.7, 25.8 ± 4.6 and 5.2 ± 1.2 in Sham Ad-lib, Sham-WM and VSG respectively; p = 0.0003). Genes downstream of glucagon receptor signalling which govern fatty acid synthesis (Acaca, Acacb, Me1, Acly, Fasn and Elovl6) were downregulated following VSG but upregulated in Sham-WM. Changes in glucagon sensitivity may contribute to weight-loss independent improvements in hepatic steatosis following VSG.

直线振动筛筛面倾角对荞麦分级效果影响的模拟研究

In the buckwheat industry, buckwheat sizing effect has played a significant role in the subsequent hulling effect and food quality in its deep processing. In order to study the influence of inclination angle of linear vibrating screen on buckwheat sizing effect, EDEM was used for numerical simulation of sizing process with the inclination angle of the screen separately at 2°, 3°, 4°, and 5°. By observing particle distribution on the screen deck and calculating the different types of particles in various statistical areas, qualitative comparison and quantitative analysis on the conveying capability of the screen and the penetrating capability of particles at different inclination angles were made, and the results revealed that with the increase in the inclination angle of the screen, the conveying capability of the screen was enhanced, while particles became less capable of penetrating through the sieve. When the inclination angle was increased from 2° to 3°, the conveying capability of the screen was significantly improved, while the penetrating capability of particles on both screen decks was slightly reduced. By taking the penetrating capability of particles and the conveying capability of the screen into comprehensive consideration, it turned out that better sizing effect would be achieved at the inclination angle of 3o. Our research will provide a reference for optimizing the processing parameters during the vibrating separation of buckwheat.

Protein Source Influences Acute Appetite and Satiety but Not Subsequent Food Intake in Healthy Adults

BackgroundAlthough current recommendations encourage plant-based dietary patterns, data is limited as to whether the equivalent substitution of animal-based protein-rich foods with plant-based versions impacts ingestive behavior. ObjectivesTo compare higher-protein preloads, varying in protein source, on appetite, satiety, and subsequent energy intake. MethodsThirty-two adults (age: 25 ± 1 y; body mass index (BMI) measured in kg/m2: 24.2 ± 0.5 kg/m2) randomly consumed 250 kcal, protein-preload beverages (24 g protein), varying in protein source [whey, soy, and pea protein isolates (WHEY, SOY, and PEA) or micellar casein (CAS)] each morning for 3 acclimation days/preload. On day 4, participants completed a 4-h clinical testing day in which the respective preload was consumed, followed by blood sampling and questionnaires every 30 min for appetite and satiety. In addition, an ad libitum lunch was provided 4-h postpreload. On day 5, participants consumed the respective preload at home, followed by an ad libitum breakfast 30 min afterward. For normally-distributed data, repeated-measures analysis of variance (ANOVA) or Friedman nonparametric test were utilized to compare the main effects of protein source on study outcomes. Post hoc pairwise comparisons using least-significant differences (LSD) were then performed. ResultsCAS (–3330 ± 690 mm∗240 min) and PEA (–2840 ± 930mm∗240 min) reduced 4-h appetite compared with SOY (–1440 ± 936 mm∗240 min; both, P < 0.05). WHEY was not different (–2290 ± 930 mm∗240 min). CAS (3520 ± 84 pg/mL∗240 min) and PEA (3860 ± 864 pg/mL∗240 min) increased 4-h peptide YY concentrations compared with SOY (2200 ± 869 pg/mL∗240 min; both, P < 0.05). WHEY was not different (3870 ± 932 pg/mL∗240 min). No differences in ad libitum energy intake were observed. ConclusionsCAS and PEA, but not WHEY, elicited greater acute changes in appetite and satiety compared with SOY in healthy adults, supporting that not all protein sources are equivalent. This trial is registered at clinicaltrials.gov (NCT03154606).

The Impact of Mukbang Live Streaming Commerce on Consumers’ Overconsumption Behavior

Food live streaming shopping, which features a host eating and promoting the products to viewers, has become a new form of food marketing. In three studies, the authors examine the impact of content, influencer, and channel factors of mukbang live streaming on consumers’ perceived value and subsequent impulse purchase and food consumption behavior. Study 1, an experiment with 216 participants, reveals that a non–autonomous sensory meridian response (non-ASMR) video in which the mukbanger talks to viewers while eating regular (i.e., nonjunk) food is more influential in enhancing the video's perceived value and increasing impulse purchase and consumption. Study 2, with 624 participants, introduces influencer factors into the experiment. It shows that a credible and parasocial influencer significantly affects consumers’ perceived value, regardless of the food featured, resulting in impulse purchase and consumption. Study 3, which excludes the content factors fully mediated by influencer factors, examines the impact of the live streaming influencer and the shopping platform on perceived value and food well-being. A cross-sectional survey of 630 respondents finds that channel factors (food product offerings and convenience) and influencer factors (credibility and parasocial relationship) significantly enhance consumers’ perceived value, leading to impulse purchase and overconsumption. The authors provide theoretical and practical implications to enrich future research and responsible business practices in online food marketing.

Bioelectrochemical systems (BESs) for agro-food waste and wastewater treatment, and sustainable bioenergy-A review

Producing food by farming and subsequent food manufacturing are central to the world's food supply, accounting for more than half of all production. Production is, however, closely related to the creation of large amounts of organic wastes or byproducts (agro-food waste or wastewater) that negatively impact the environment and the climate. Global climate change mitigation is an urgent need that necessitates sustainable development. For that purpose, proper agro-food waste and wastewater management are essential, not only for waste reduction but also for resource optimization. To achieve sustainability in food production, biotechnology is considered as key factor since its continuous development and broad implementation will potentially benefit ecosystems by turning polluting waste into biodegradable materials; this will become more feasible and common as environmentally friendly industrial processes improve. Bioelectrochemical systems are a revitalized, promising biotechnology integrating microorganisms (or enzymes) with multifaceted applications. The technology can efficiently reduce waste and wastewater while recovering energy and chemicals, taking advantage of their biological elements' specific redox processes. In this review, a consolidated description of agro-food waste and wastewater and its remediation possibilities, using different bioelectrochemical-based systems is presented and discussed together with a critical view of the current and future potential applications.