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This study aims to investigate the association between genetics knowledge and perceptions toward nutrigenomics and to examine whether this relationship was mediated by attitudes toward nutrigenomics.

An online cross-sectional study was conducted using a questionnaire comprised of four sections: sociodemographic information, genetics knowledge, attitudes toward nutrigenomics and perceptions toward nutrigenomics. A total of 423 health science students participated in this study.

Students enrolled in dietetics and biomedical science programs possessed significantly higher (p < 0.05) genetic knowledge compared to Chinese medicine students. Additionally, students in their second and third years of study exhibited significantly greater (p < 0.05) genetic knowledge than first-year students. Genetics knowledge was found to be positively associated (p < 0.05) with attitudes and perceptions toward nutrigenomics. Attitudes toward nutrigenomics partially mediated the relationship between genetics knowledge and perceptions toward nutrigenomics.

This study underscores the need for a well-rounded and progressively structured genetics curriculum across all health science programs. Enhancing genetics knowledge could potentially serve as a strategy to improve attitudes and perceptions toward nutrigenomics.

Nutrigenomics is an evolving field that forms a junction between diet, genomics and health. Health science students are the future health-care professionals, and their current attitudes and perceptions toward nutrigenomics are crucial for predicting its applications in the future. This study contributes novel insights by revealing that attitudes toward nutrigenomics serve as a partial mediator in the association between genetics knowledge and perceptions toward nutrigenomics.

Malaysia transitions from a pandemic to an endemic state, beginning on April 1, 2022. The dietary intake and physical activity of university students were altered during the COVID-19 pandemic confinement period, but there is limited information on this topic in the post-COVID-19 period. This cross-sectional study aims to understand gender differences in dietary intake and physical activity among university students and investigate the factors influencing their body mass index (BMI) in the post-COVID-19 period.

The questionnaire used in this study comprised three main segments: sociodemographic information, a semiquantitative food frequency questionnaire and the International Physical Activity Questionnaire.

Results indicated that males exhibited significantly higher (p < 0.05) mean intakes of total dietary energy and macronutrients compared to females. Compared to the Malaysian Recommended Nutrient Intakes 2017, 76.4% of males and 68.8% of females had a sufficient daily energy intake. The majority of males (52.7%) and females (46.4%) were moderately physically active. Regression analysis revealed that male university students with lower fiber intake (ß = −0.309, p = 0.002) were significantly associated with higher BMI reading after confounding adjustment. However, a similar trend was not observed in female university students.

Understanding the gender differences in dietary intake and physical activity can provide insights into the development of effective gender-specific health promotion strategies and the formulation of policies aimed at promoting healthier lifestyles among university students in the post-COVID-19 pandemic era.

This study provides insights into the gender differences in the dietary and physical activity habits of university students, as well as the factors influencing their BMI in the post-COVID-19 pandemic era.

Salak (Salacca zalacca) is an underutilised fruit. The bioactivities of this fruit have rarely been studied scientifically. Thus, the present study aimed to determine the antioxidant activity of extracts derived from the peel, fruit and kernel of the Salak fruit, as well as the hypoglycemic and anti-hypertensive properties of Salak peel extracts.

The peel, fruit and kernel of the Salak were extracted using distilled water, methanol and ethanol. Antioxidant activities, angiotensin-converting enzyme (ACE) and alpha-amylase inhibition properties of the extracts were estimated via in vitro standard methods. Besides, the total phenolic content (TPC) and total flavonoid content (TFC) of the extracts were also determined in the present study. The antioxidant activities of different parts of Salak extracts were determined by ferric-reducing antioxidant power (FRAP) and Trolox equivalent antioxidant capacity (TEAC) methods. Percent of radical scavenging properties were calculated via DPPH assay. The hypoglycemic and anti-hypertensive properties of Salak peel were evaluated using alpha-amylase inhibition and ACE assays, respectively.

Fruit extracts of Salak in methanol were found to exhibit the highest TPC (10.27 ± 0.12 mg GAE/g), TFC (11.04 ± 0.89 mg CE/g) and antioxidant properties amongst all samples whereby the TPC and TFC were strongly correlated with antioxidant activities. On the other hand, distilled water extracted Salak kernel showed to have the lowest TPC (0.53 ± 0.05 mg GAE/g), TFC (0.37 ± 0.01 mg CE/g) and antioxidant properties amongst all the Salak extracts. Peel extracts exhibit comparable antioxidant activities with fruit extracts in the current findings. In addition, peel extracts indicated some extend of ACE and alpha-amylase inhibition activities regardless of the solvents used. Methanol and ethanol peel extracts indicated no significant difference (p < 0.05) ACE (98%) and alpha-amylase (90%) inhibition activities. However, distilled water extracted Salak peel showed significantly lower ACE and alpha-amylase inhibition in comparison to methanol and ethanol peel extracts.

The present findings suggested that the fruit of Salak exhibits the highest antioxidant properties, followed by the peel and lastly, the kernel, which shows the lowest antioxidant properties amongst all the samples. The results also indicated that the peel extracts have ACE and alpha-amylase inhibition activities.

The Malaysian movement control order is a series of national lockdowns implemented by the Malaysian federal government to contain the spread of Coronavirus disease-2019 (COVID-19). The government has made it mandatory for all non-essential sectors to work remotely to mitigate the spread of COVID-19. The eating behavior of working adults may have altered following the changes in working norms. This study aimed to assess the eating behavior of remote working adults during the COVID-19 pandemic.

A total of 159 remote working adults were recruited through a convenience sampling approach. Bodyweight and body height were self-reported by the respondents. Body mass index was calculated according to the cut-off of World Health Organization standards. The eating behavior was evaluated using the eating behavior questionnaire.

Results revealed more than half of the remote working respondents did not practice meal skipping. Irrespective of the gender, more than 70% of the respondents consumed either breakfast, lunch or dinner every day. Most of the respondents consumed vegetables, bread/rice/noodles and meat/chicken at least two times per day. Regression analysis revealed meal skipping was associated with younger people, overweight status and median monthly household income.

Many sectors adopted remote working systems during the COVID-19 pandemic. It is postulated that working remotely will be a new normal even after this pandemic. Until now, to the best of the authors’ knowledge, little or no data are available on assessing the eating behavior of remote working adults during the COVID-19 pandemic. This study could provide an insight into the eating behavior of adults during remote working.

This study aims to investigate the relationships among screen time-based sedentary behaviour, eating self-regulatory skills and weight status among private university students during the Movement Control Order (MCO).

A total of 186 private university students was enrolled in this cross-sectional study using a combination of snowball and purposive sampling approaches. Anthropometric measurements, including body height, body weight before and during the MCO enforcement were self-reported by the respondents. Screen-time based sedentary behaviour sedentary behaviour was evaluated using HELENA sedentary behaviour questionnaire, whereas the Self-Regulation of Eating Behaviour Questionnaire (SREBQ) was used to determine the eating self-regulatory skills in MCO.

Respondents spent most of the time on the internet for non-study purposes (148 ± 77.7 min). It is also noted that 64.5% of the respondents had medium eating self-regulatory skill during the MCO, with an average score of 3.0 ± 0.5. Findings from path analysis confirmed that poor eating self-regulation significantly contributed to the weight gain during home confinement (ß = −0.24, p = 0.01). In conclusion, eating self-regulation, but not total screen time, emerged as the determinant for weight gain during the COVID-19 lockdown.

According to the authors’ knowledge, this study was among the few that investigated sedentary behaviour, eating self-regulatory skills and weight status of university students during the COVID-19 pandemic.

Frequent consumption of sugar-sweetened beverages (SSB) not only contribute to the incidence of dental caries but also a substantial risk for metabolic syndrome, obesity, type 2 diabetes mellitus, cardiovascular diseases and arthritis. Therefore, this study aims to compare the ready-to-drink SSB (RTD-SSB) consumption frequency, choice and sugar intake across gender and body weight status.

This cross-sectional study involved 126 adolescents from two primary schools in Shah Alam, Selangor. Adolescents aged between 9-11 years old were enrolled using convenience sampling method. A semi-structured questionnaire was administered to assess socio-demographic and RTD-SSB consumption of the adolescents. The RTD-SSB consumption was assessed with 2-day 24-hour dietary recalls (single weekend and single weekday recalls), whereas body weight and height were assessed using TANITA weighing scale and stadiometer, respectively. Data were analysed using SPSS version 26.0, while BMI-for-age (BAZ) z-score was determined using the World Health Organization (WHO) AnthroPlus software version 1.0.4.

The mean age of 126 adolescents was 10.82 ± 0.93 years old. The frequency of SSB consumption was 1.77 ± 1.25 times/day, whereas the average daily sugar intake was 6.3 teaspoons (26.61 ± 22.18 g) from RTD-SSBs. Flavoured milk emerged as the most frequent consumed beverage among adolescents, regardless of gender and weight status. No association was observed between the RTD-SSB consumption frequency and weight status (χ² = 0.953, p > 0.05) as well as sugar intake and weight status (χ² = 1.202, p > 0.05). Emerging findings demonstrated that the RTD-SSB consumption frequency, choice and sugar intake were similar across gender and weight status.

This was the first study that compares RTD-SSB consumption frequency, choice and sugar intake across gender and different body weight status.

Thompson red avocado is a bright red-coloured fruit when ripe. As the global market for avocado fruit is increasing, this unique avocado variety could potentially be the savory fruit for consumers. The study aimed to evaluate the physicochemical properties of different parts of Thomson red avocado fruit.

Physical parameters were measured using a calibrated digital balance and a vernier caliper. The methods of the Association of Official Analytical Chemists (AOAC) and a calibrated digital pH meter were used to measure the proximate composition and pH values of different fruit parts. Meanwhile, the total soluble solids and titratable acidity were determined using titration methods.

Thompson red avocado is a medium-sized fruit with an average mass, length and diameter of 216.92 g, 9.50 and 7.20 cm, respectively. The major part of the fruit is pulp (56.01%), followed by seed (33.04%) and peel (10.94%). Each of these fruit parts was further investigated for their proximate composition, pH, titratable acidity and total soluble solids. All the fruit parts were found to be low in protein (<1%) and titratable acidity (<0.42%), but high in moisture content (>60%). The pH of these fruit parts was in the range of 5.04–5.59. Compared to the peel and seed, the pulp has the highest crude fat (20.79%), but the lowest ash content (1.47%), total carbohydrates (3.39%) and total soluble solids (7.83 ºBrix).

The physical and chemical properties of the commercial avocado varieties such as Fortuna, Collinson, Hass and Barker are well-documented in the literature. Unlike typical avocado fruits, which change from green into dark black, dark green or deep purplish colour when ripe, Thompson red variety changes into red colour when ripe. As the global market for avocado fruit is increasing, the unique, bright-red-coloured Thompson red avocado could potentially be the savoury fruit for consumers. Previous studies reported the nutritional composition of avocado fruit is affected by variety and geographical locations, but the data on the nutritional profile of Thompson red avocado fruit are scarce. Therefore, this study was carried out to determine the physical properties and nutrient contents of Thompson red avocado fruit.

This study aims to examine the influence of perceived city brand image on emotional attachment to the city. The study also compares the effects of perceived brand image of the city on the emotional attachment to the city across two groups: local residents and visitors.

A total of 207 usable questionnaires were collected from 107 residents of the city of Bratislava, Slovakia and 100 visitors to the city. Partial least square structural equation modeling (PLS-SEM) method was used for data analysis.

This study establishes that perceived city brand image significantly influences emotional attachment to the city. The study concludes that affective city image has a greater impact on emotional attachment to the city among the residents than visitors. By contrast, the influence of cognitive city image on emotional attachment to the city does not vary across the two categories of residents and visitors to the city.

City tourism marketers should focus on improving city brand images to enhance tourists’ emotional attachment to the city to promote repeat visits among visitors.

This study contributes to improving understanding of the impact of perceived city brand image on emotional attachment to the city across the two groups, residents and visitors, using social exchange theory (SET). Furthermore, the findings come from a relatively under-researched Central and Eastern European (CEE) region.

Facing the global public health emergency (GPHE), the conflict of cultural differences and the imbalance of vital resources such as knowledge among different organizations are becoming more severe, which affects the enthusiasm and sustainability of firms' innovation heavily. It is an urgent problem to be solved for firms how to make use of internal knowledge and external power to help firms' sustainable innovation (FSI). Thus, the purpose of this study is to deeply analyze how firms' internal knowledge diversity (KD) and external ego-network structures [ego-network density (ED) and honest brokers (HB)] affect FSI, as well as how the ego-network structures (ED and HB) moderate the relationship between KD and FSI based on the perspective of the ego network.

Based on the data of the alliance innovation networks of China's new energy industries in 2009–2019, this study uses the social network analysis method and negative binomial regression model to explore the effect of KD and ego-network structures (ED and HB) on FSI, as well as the moderating effects of ego-network structures (ED and HB) on the relationship between KD and FSI based on the perspective of ego network.

This study finds that KD, ED and HB can boost FSI. Moreover, ED plays a negative moderating role in the relationship between KD and FSI. However, the negative moderating effect of HB on the relationship between KD and FSI is not significant.

This study presents fresh empirical evidence and new insights for firms on how to make full use of firms' internal KD and external ego-network structures to facilitate FSI.

First, this study not only enriches the research on the consequences of KD but also expands our understanding of the knowledge-based view to some extent. Second, this study not only enriches the motivation research of the FSI based on the perspective of ego-network in the context of the GPHE but also expands the application scope of social network theory and sustainable innovation' theory in part. Third, this paper is a new attempt to apply social network theory and knowledge-based view at the same time.

Purpose: To explore emotional support, daily housework assistance, and economic support for older adults provided by the Vietnamese family within the context of the impacts of socio-economic, demographic, and other factors.

Methodology: (1) The researchers used data from censuses taken from 1989 to 2019; national surveys of Internal Migration, Labor and Employment and other topics; and recent large sample sociological surveys (2) adapted a modified Diamond Care Model (Ochiai, 2009) to analyze effects of the characteristics of older adults; and of the country’s laws, policies, and socio-economic changes, on the families’ caregiving activities supporting the older adults.

Findings: The family is still the most important institution providing care for older adults in Viet Nam. Most older people live with their children and see this as an age-old security solution despite differences related to lifestyles and interests. However, when the average number of working-age people per older person decreases, as older adults live longer, household sizes are smaller, and there is increased large migration, the demand for non-family caregiving for older adults will increase. Since social services to help meet this demand are limited, the traditional family support system for the elderly in Viet Nam will face many challenges as families try to assure the quality of care needed in the very near future.

Value: This chapter shows systematically a relationship between elderly care in the Vietnamese family and socio-economic, demographic, and associated factors based on comprehensive data sources. The results can help us think about how to create an appropriate future model for taking care of older adults in Viet Nam that combines the efforts of families and the support of comprehensive social policies by the community.