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Article
Publication date: 1 December 2002

Behrouz Mosayebi, Mohammad Kazemeini, Amir Badakhshan and Aliakbar Safekordi

Several corrosion inhibitors, such as, HEDP, sodium molybdate and zinc ions, were added to an aqueous corrosive media containing different concentrations chloride ions, and the…

427

Abstract

Several corrosion inhibitors, such as, HEDP, sodium molybdate and zinc ions, were added to an aqueous corrosive media containing different concentrations chloride ions, and the corrosion rates (CRs) of carbon steel were measured at various temperatures. It was shown that, in the presence of more than 1,200 ppm of chloride ions, and temperatures greater than or equal to 42.5°C, the combination of HEDP, molybdate and zinc could not control the corrosion in a cooling water system. Then four different models were designed to represent the CR of carbon steel in presence of various corrosive parameters.

Details

Anti-Corrosion Methods and Materials, vol. 49 no. 6
Type: Research Article
ISSN: 0003-5599

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Article
Publication date: 2 January 2025

Mohammad Farahbakhsh Kargosha, Abbasali Motallebi, Ebrahim Rahimi, Amir Shakerian and Hamidreza Kazemeini

This study aims to prepare probiotic sodium caseinate-gelatin films containing Lactobacillus paracasei, Bifidobacterium bifidum and Lactobacillus plantarum, and evaluate their…

7

Abstract

Purpose

This study aims to prepare probiotic sodium caseinate-gelatin films containing Lactobacillus paracasei, Bifidobacterium bifidum and Lactobacillus plantarum, and evaluate their application on the microbiological, chemical, mechanical and sensory properties of rainbow trout fillets during 12 days of refrigerated storage.

Design/methodology/approach

The physical, chemical and mechanical properties of the designed films were assessed. In addition, the rainbow trout fillets were examined for microbiological, chemical parameters and sensory attributes.

Findings

According to the results, a negative correlation was found between the survival of probiotic bacteria and the storage time of the films. The counts of L. paracasei, B. bifidum and L. plantarum showed a decreasing trend during the study, starting from (2.9, 3.9 and 1.9 log CFU/g, respectively) at day 0 and reaching (6.79, 5.84 and 6.14 log CFU/g, respectively) at the end of the study (day 12).

Originality/value

It was observed that the sodium caseinate-gelatin probiotic films delayed the microbial growth in rainbow trout fillets compared to the control group. Furthermore, significant differences in chemical changes were found in all treated fish fillets compared to the untreated group.

Details

Nutrition & Food Science, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0034-6659

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Article
Publication date: 7 November 2023

Hassan Rahnama Haratbar, Mehrzad Saeedikiya and Mohammad Hassan Seif

This study in Iran examined the role of internal and external psychological factors that affected green purchase intention. Moreover, it examined these variables' direct and…

617

Abstract

Purpose

This study in Iran examined the role of internal and external psychological factors that affected green purchase intention. Moreover, it examined these variables' direct and indirect effects and green purchase intention on green purchase behavior.

Design/methodology/approach

An extended version of the theory of planned behavior (TPB) was employed, based on which a theoretical model was designed to reach the authors’ aim. An online questionnaire was used to collect data. For data analysis, confirmatory factor analysis, structural equation modeling, the bootstrapping method and the Preschool Language Scale (PLS) product-indicator approach were conducted to test the proposed conceptual model.

Findings

Results show that self-identity, self-interest, self-efficacy and a growth mindset have a positive impact on green purchase intention. However, the study found no predictive effect from peer influence and warm glow. In addition, self-efficacy and green purchase intention significantly affect green purchase behavior. The study reveals that green purchase intention substantially mediates the relationship between self-interest, growth mindset, warm glow and green purchase behavior. Further, warm glow moderates the impact of peer influence, self-identity and self-efficacy on green purchase intention. This study emphasizes the critical role of dispositional factors on green purchase intention and behavior.

Originality/value

Few studies consider the effect of the individual self, a growth mindset, a warm glow and peer influence on green purchase intention simultaneously. In addition, the authors introduced a different version of the TPB model. Further, this research also conducted how these variables, directly and indirectly, affect green purchase behavior.

Details

Management of Environmental Quality: An International Journal, vol. 35 no. 3
Type: Research Article
ISSN: 1477-7835

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Article
Publication date: 17 June 2019

Wan Abd Al Qadr Imad Wan-Mohtar, Anita Klaus, Acga Cheng, Shardana Aiga Salis and Sarina Abdul Halim-Lim

The purpose of this paper is to identify the strain of oyster mushroom (OM) Pleurotus sapidus cultivated in a local (commercial) farm, and to generate a total quality index (TQI…

342

Abstract

Purpose

The purpose of this paper is to identify the strain of oyster mushroom (OM) Pleurotus sapidus cultivated in a local (commercial) farm, and to generate a total quality index (TQI) on the strain using different modified atmosphere packaging (MAP) gas mixtures.

Design/methodology/approach

A phylogenetic tree was constructed using the MEGA software to identify the specific strain of P. sapidus grown in a local farm. The effects of MAP on fresh fruiting bodies of the identified strain were determined under three conditions: high carbon dioxide packaging (HCP: 20 per cent CO2, 15 per cent O2), low carbon dioxide packaging (LCP: 2 per cent CO2, 30 per cent O2) and high nitrogen packaging (HNP: 85 per cent N2, 15 per cent O2). All samples were stored at 4 oC for up to ten days, and subjected to total phenolic content (TPC), colour retention (CR) and sensory analysis. Quality parameters such as chewiness and odour were used to obtain the TQI.

Findings

From the phylogenetic analysis, a new strain (P. sapidus strain QDR) with 99 per cent similarity to P. sapidus was identified. Among the three MAP treatments, HCP recorded the highest TPC (2.85 mg GAE/g) and CR (60.36) after ten days, although only its CR was significantly different (p<0.05) from the control. Feedback from 30 sensory panellists indicated that both HCP and LCP were generally more effective in retaining the colour–odour of OM. The optimum TQI for HCP was obtained based on the observed parameters, which is useful for the large-scale packaging of OM.

Originality/value

Scientific evidence has revealed that packaging trend for commercially grown OM affects consumer’s acceptance.

Details

British Food Journal, vol. 121 no. 8
Type: Research Article
ISSN: 0007-070X

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