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Recent trials have found that propolis supplementation can beneficially reduce blood pressure (BP) in adults, but there is no definitive consensus on this topic. The purpose of this study is to provide an overview and update the current documents regarding the effects of propolis supplementation on BP by presenting a systematic review and meta-analysis.

The systematic search was conducted, considering all studies published up to July 2024, in the following databases: PubMed, Scopus, Cochrane Library and ISI Web of Science. Data were pooled by using the random-effects model, and weighted mean difference (WMD) was considered as the summary effect size.

In this systematic review and meta-analysis, eight clinical trials were included. The obtained results show that propolis supplementation caused a significant decrease in systolic BP (WMD = −3.93 mmHg, 95% CI = −7.05 to −0.82, p = 0.01 and I2 = 45.2%). However, the meta-analysis results showed that propolis supplementation did not significantly change the levels of diastolic BP (WMD = −1.64 mmHg, 95% CI = −4.60 to 1.32, p = 0.27 and I2 = 74.0%).

The findings of this study suggest that propolis supplementation may be used as a dietary supplement to improve systolic BP, but further studies are needed to confirm these results.

This study aims to presents the article regarding the influential role of moral inefficacy and moral disengagement to address green intention and behaviour gap among consumers, and how they attain self-exoneration because of the moral dilemma if any exist.

The present study is based on semi-structured interviews, using constructivist grounded theory, which offers a platform to investigate, explore and discover psychosocial mechanism that operates among the consumers regarding the dimension of morality and green practices. In-depth exhaustive dialogues with Indian green consumers are set up to stimulate dialogue on the study.

Findings of the study shed light on the moral dilemma arising from internal and external inefficacy of consumers and disengagement of morality to save consumers from self-condemnation. Also, the study proffers the potential conceptual framework of moral inefficacy, moral disengagement and green buying behaviour of consumers. Eventually, the study mapped the morality matrix to explore the consequents of moral inefficacy and moral disengagement.

The idiographic nature of qualitative research, particularly grounded theory may be considered as a research limitation as it follows limited generalizability. Moreover, the present research work is exploratory in nature and depends on the candour of researchers’ reactivity and understanding.

The study subjectively concludes the green behaviour of consumers and discusses the rationality behind green intentions and behaviour gap. Marketers can strategize consumer morality as an approach to enhance green buying behaviour of consumers by removing moral inefficacies and disengagements.

It is crucial for marketers and society to understand the reasons behind non-green consumerism and accordingly cope up with the situation.

The study has been designed in a way to discuss the philosophy of morality and psychology of consumers on green consumption. To elicit the crux and conceptualization of morality and green purchasing framework using constructivist grounded theory is the exclusivity of this study. This paper explores green consumption pattern using moral orientation and processes in detail.

Sewing thread plays an important role in transforming a two-dimensional fabric into three-dimensional garment. Over the years, ring spinning has been dominating the yarn market because of its consistent performance. Eli-Twist spinning system, a new method of yarn manufacture, provides a product with improved mechanical and physical properties than the conventional ring-spun yarn. It is the process of producing a two-ply compact yarn with improved fibre utilisation. The purpose of this paper is to assess the feasibility of using Eli-Twist yarn as a sewing thread and to compare its performance with conventional thread.

In this study, regular polyester and Indian cotton were used to produce the Eli-Twist and conventional TFO thread. Three different blends (100 per cent polyester, 50/50 polyester/cotton [P/C] and 100 per cent cotton) were taken to produce three different counts (39.4 tex, 29.5 tex and 23.6 tex) from each composition. The hairiness, tenacity, breaking elongation and coefficient of yarn-to-metal friction of threads were tested and a comparative analysis was made. The seam performance of all the threads was judged by seam strength, seam efficiency and seam elongation.

The results show that the mass irregularity and imperfections are more or less similar for both types of threads. Eli-Twist sewing thread has shown less friction, less hairiness and higher tensile strength. The Eli-Twist sewing thread was found to be better than the conventional two-ply sewing thread. The seam performance parameters, such as seam strength, seam efficiency and seam elongation of the Eli-Twist thread showed significantly improved performance.

The main concern of this study is delineating the performance of the Eli-Twist sewing thread. No study in this regard has been reported so far. The improved physical and mechanical behaviour of the Eli-Twist yarn has prompted to assess its performance as sewing thread.

The purpose of this paper is to propose the dynamically balanced mechanism for cleaning unit used in the agricultural thresher machine using the system of point masses.

The cleaning unit works on crank-rocker Grashof mechanism. To balance the mechanism, the shaking forces and shaking moments are minimized by optimizing the mass distribution of links using the dynamically equivalent system of point masses. The point mass parameters are taken as the design variables. Then, the optimization problem is solved using Jaya algorithm and genetic algorithm (GA) under suitable design constraints.

The mass, center of mass and inertias of each link are calculated using optimum design variables. These optimum parameters improve the dynamic performance of the cleaning unit.

The proposed methodology is tested through the standard four-bar mechanism taken from literature and also applied to the existing cleaning mechanism of the thresher machine. It is observed that the Jaya algorithm is computationally more efficient than the GA. The dynamic analysis of the proposed mechanism is simulated using ADAMS software.

This paper aims to propose a dynamically balanced mechanism for cleaning unit used in agricultural thresher machine using a dynamically equivalent system of point masses.

The cleaning unit works on crank-rocker Grashof mechanism. This mechanism can be balanced by optimizing the inertial properties of each link. These properties are defined by the dynamic equivalent system of point masses. Parameters of these point masses define the shaking forces and moments. Hence, the multi-objective optimization problem with minimization of shaking forces and shaking moments is formulated by considering the point mass parameters as the design variables. The formulated optimization problem is solved using a posteriori approach-based algorithm i.e. the non-dominated sorting Jaya algorithm (NSJAYA) and a priori approach-based algorithms i.e. Jaya algorithm and genetic algorithm (GA) under suitable design constraints.

The mass, center of mass and inertias of each link are calculated using optimum design variables. These optimum parameters improve the dynamic performance of the cleaning unit. The optimal Pareto set for the balancing problem is measured and outlined in this paper. The designer can choose any solution from the set and balance any real planar mechanism.

The efficiency of the proposed approach is tested through the existing cleaning mechanism of the thresher machine. It is found that the NSJAYA is computationally more efficient than the GA and Jaya algorithm. ADAMS software is used for the simulation of the mechanism.

Inventory management plays a critical role in managing business profitability. Through this case, the participants will understand the role of managing inventory for timely workshop operations. Further, too much inventory can erode business margins and occupy storage space. This case also highlights the selection of an appropriate inventory review policy for managing the spare parts inventory.

In the context of an absence of studies examining the interrelationship between Indian construction industry and residential real estate sector, the study aims to develop and test a conceptual framework to stimulate construction industry through optimisation of housing market in India. The developed conceptual framework lays down a blueprint to assess the interaction between construction industry and housing market in other countries.

Means of stimulation of construction industry by residential real estate sector were identified. Housing market was examined to identify factors constituting consumer-centric delivery and consumer-empowered demand. Supply side of housing market was probed to identify underlying factors stifling housing delivery. The identified factors were put together to form the conceptual framework. A questionnaire was developed and administered to the delivery-side stakeholders of housing market.

The study demonstrates significant correlations between real estate investment-led construction industry output stimulation and consumer-centric residential real estate delivery. The deterrents to consumer-centric housing delivery have been ascertained to be having an impact on time, cost and scope of housing projects. Significant correlations have been ascertained between the deterrents. On the demand-side, skills, awareness and engagement of consumers are strongly correlated with each other. Affordability of housing is rightfully correlated with all the three means of stimulation of construction industry output.

Specific to the Indian context, the study presents and validates a novel conceptual framework aimed at stimulation of construction industry output through interventions in housing market.

Drawing from the Moral Disengagement theory and the Social Exchange Theory, the present study posits to examine the influence of personality, that is Machiavellianism on organizational deviance in the service industry. Furthermore, the role of moral disengagement as a mediator accentuating the organizational deviance of service employees was examined. Also, the role of Servant Leadership as a moderator on the mediated relationship between Machiavellianism and Organizational Deviance via Moral Disengagement is investigated.

The data was collected from 269 employees working in hotels in northern India using the snowball technique. SPSS 22 and AMOS 22 were the statistical tools utilized to test the hypothesized relationships.

Machiavellianism was positively related to Organizational Deviance. Findings support the fact that Moral disengagement is a mediator in the relationship between Machiavellianism and Organizational Deviance. Service Leadership moderated the mediated relationship between Machiavellianism and Organizational deviance via Moral disengagement such that the relationship was found to be weaker when Service Leadership was high.

Due to its emphasis on interpersonal interaction and intangible services, the hotel industry differs from other sectors of the economy. Employees contact directly with clients and are responsible for meeting their demands. As a result of these frequent interactions, controlling employee deviation is essential in the services industry. The study holds significant and notable implications from the organizational or managerial perspective.

The present study distinctively contributes by bringing the effect of personality on deviant behaviors in the hotel industry which is unmapped, besides examining the role of moral disengagement as the mediator and servant leadership as a moderator mitigating organizational deviance and morally disengaged workforce.

The purpose of this paper is to deal with the springback problems of channel cross-section bars of linear and non-linear work-hardening materials under torsional loading. Using the deformation theory of plasticity, a numerical scheme based on the finite difference approximation has been proposed. The growth of the elastic-plastic boundary and the resulting stresses while loading, and the springback and the residual stresses after unloading are calculated.

The numerical method which has been described in this paper for obtaining the solution of elasto-plastic solution can also be used for other sections. The only care that needs to be taken is to decrease the mesh size near points of stress concentration. The advantage of this technique is that it automatically takes care of all plastic zones developing over the section at different loads and gives a solution satisfying the elastic and plastic torsion equations in their respective regions.

As expected, elastic recovery is found to be more with decreasing values of n and λ. The difference in springback becomes more and more with increasing values of angle of twist. The material will approach an elastic ideally plastic behavior with increasing values of λ and n.

It seems that no attempt has been made to study residual stresses in elasto-plastic torsion of a work-hardening material for a channel cross-section.

Teaching about families in a classroom may seem rather simple and uncomplicated because families are thought to be familiar settings – a part of our day-to-day life experience. Most often the task is not that simple. For this purpose, personal and familial biographies of students were used as part of family pedagogy for understanding the family structure and value orientations. Such an approach requires respect for students’ lived experiences as valid knowledge to use as a subjective and experiential journey to teach about families. There is a dearth of such pedagogical approaches to teach about the complexity and diversity of families in India. This chapter documents such an attempt to teach students, using three exercises, the concepts of family through experiential learning. The concepts include the myth of a normative family, nature of family change, and multigenerational extended kin relationships. The first author developed the teaching exercises and used them in the classroom. The data were collected across three consecutive MSW (Children and Families Concentration) batches of 2012–2016 from the Tata Institute of Social Sciences, Mumbai, India. A focus group interview method was used, and qualitative analysis was undertaken. The analysis of the data deconstructed the myth of the so-called normative family, helped to understand family change, and showed the presence of a range of multigenerational extended relations in families in the Indian context. The results of our study will be useful for researchers, practitioners, and teachers to employ experiential learning techniques in teaching about families in India through classroom interaction.