fish consumption
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Qian Tang ◽  
Qi Luo ◽  
Qian Duan ◽  
Lei Deng ◽  
Renyi Zhang

Nowadays, the global fish consumption continues to rise along with the continuous growth of the population, which has led to the dilemma of overfishing of fishery resources. Especially high-value fish that are overfished are often replaced by other fish. Therefore, the accurate identification of fish products in the market is a problem worthy of attention. In this study, full-DNA barcoding (FDB) and mini-DNA barcoding (MDB) used to detect the fraud of fish products in Guiyang, Guizhou province in China. The molecular identification results showed that 39 of the 191 samples were not consistent with the labels. The mislabelling of fish products for fresh, frozen, cooked and canned were 11.70%, 20.00%, 34.09% and 50.00%, respectively. The average kimura 2 parameter distances of MDB within species and genera were 0.27% and 5.41%, respectively; while average distances of FDB were 0.17% within species and 6.17% within genera. In this study, commercial fraud is noticeable, most of the high-priced fish were replaced of low-priced fish with a similar feature. Our study indicated that DNA barcoding is a valid tool for the identification of fish products and that it allows an idea of conservation and monitoring efforts, while confirming the MDB as a reliable tool for fish products.

2022 ◽  
Vol 10 (1) ◽  
pp. 7-18
Joane Souza ◽  
Renan Almeida ◽  
Ruth Almeida ◽  
Rafael Chagas ◽  
Ian Almeida

The aim of this work is to discuss and analyzing which criteria adopted for fish consumption in the Belém, Pará State, Metropolitan Region through the analysis of the consumer socioeconomic profile, the origin of his knowledge about the theme and his preferences about their fish buying and consumption habits, based on the answers obtained through a questionnaire. The methodology was the application of a questionnaire through the Google Forms platform,composed of 16 questions related to the themes addressed in this work directed to fish consumers in the municipalities of Ananindeua, Belém, Benevides, Castanhal, Marituba, Santa Bárbara do Pará and Santa Isabel do Pará. The questionnaire reached a total of 239 people. When asked about the preference in the choice of fish the dourada appears with about 68% as the preferred species for consumption in the BMR. The survey shows that most purchase places for consumption are the neighborhood fairs with 59% of the answers. Most respondents (about 60%) prefer fresh fish as the most sought-after form of conservation. As to the reason for the choice, the main answer obtained was the taste present in 89% of the interviews. Many respondents claimed that they would consume all types of fish, on the other hand, Tamuatá was chosen as the fish that respondents would not eat because it was seen in poor hygiene environments and had a strong flavor and odor. When asked how they learned to identify the fish freshness, 67% of respondents answered that this knowledge came through family teaching, showing that preference is a personal question and is related to the consumer cultural tradition.

2021 ◽  
Vol 2 (2) ◽  
pp. 177-191
Serkan Tozakçı ◽  
Musa BULUT ◽  

2021 ◽  
Vol 8 ◽  
Sahya Maulu ◽  
Kundananji Nawanzi ◽  
Mohsen Abdel-Tawwab ◽  
Hala Saber Khalil

Fish is a relatively cheap and accessible source of animal protein for human consumption even in rural communities. It is critical for global food and nutrition security, and its consumption continues to increase. As a highly nutritious food, fish consumption is highly recommended for children and expectant mothers for normal growth and development. The present paper explores the nutritional value of fish as approach to nutrition in children and its benefits. The findings reveal that fish is a valuable source of essential amino acids (EAA) and polyunsaturated fatty acids (PUFAs) that play important physiological functions for maintenance and development of fetuses, neonates, and infant brains. Therefore, it could be a valuable tool in the fight against food insecurity and malnutrition. However, fish and fish products are also highly susceptible to contamination by various organic and inorganic compounds that threaten public health. Particularly, heavy metals and biogenic amines (BAs) have shown adverse effects when contaminated fish is consumed, and the effects in children have been worse. Hence, while fish consumption is highly recommended for children's nutrition, the safety and quality of the product should always be checked to safeguard public health.

Shigemasa Tani ◽  
Kazuhiro Imatake ◽  
Yasuyuki Suzuki ◽  
Tsukasa Yagi ◽  
Atsuhiko Takahashi ◽  

Background: Fish consumption may be associated with a low risk of coronary artery disease. We aimed to investigate whether higher fish consumption results in improved lifestyle behaviors and thus lower triglyceride/high-density lipoprotein cholesterol (TG/HDL-C) ratio––a predictor of atherosclerotic cardiovascular disease (ASCVD). Methods and results: This cross-sectional study included 2947 middle-aged Japanese males with no history of ASCVD or lipid-modifying therapy, who presented at the Health Planning Center of Nihon university hospital between April 2018 and March 2019. We performed an analysis of variance using fish consumption as a categorical variable (0-2 days, 3-4 days, or 5-7 days per week). The serum TG/HDL-C ratio in the 5-7 days fish consumption group was significantly lower than those in the 0-2- and 3-4-days fish consumption groups (p < 0.0001 and p < 0.01, respectively). Multiple regression stepwise analysis revealed that weekly fish consumption negatively and independently determined the TG/HDL-C ratio (β = -0.061, p = 0.001). As fish consumption increased, the proportion of subjects with smoking habits decreased (p = 0.014), those engaging in aerobic exercises and aggressive daily physical activity increased (p < 0.0001 for both), and those with alcohol habit increased (p < 0.0001). In addition, we developed the risk stratification for ASCVD by combining the serum HDL-C level and the serum TG/HDL-C ratio with fish intake. Conclusion: Increased frequency of fish consumption and improved lifestyle behaviors due to daily fish intake may work additively to lower the serum TG/HDL-C ratio. These associations may explain why high fish consumption is associated with a lower risk of ASCVD. Our findings may help physicians and nutritionists in treating patients with heart diseases and metabolic conditions by recommending a high fish diet in middle-aged Japanese males.

2021 ◽  
Vol 8 ◽  
Maha H. Alhussain ◽  
Moodi Mathel ALshammari

Background: Sarcopenia, the age-related loss of skeletal muscle mass and function, represents a crucial risk factor for disability and mortality. Increasing intake of some nutrients, particularly protein and omega-3 fatty acids seems to be a promising strategy to augment muscle mass and function.Objective: The purpose of this study was to assess the beneficial effects of fish consumption on muscle mass and function among middle-age and older adults.Methods: Twenty-two adults aged 50–85 years participated in this study. Participants were asked to consume 150–170-g of fish for lunch twice a week for a 10-week period. During that period, participants were asked to maintain their normal diet and physical activity. Outcome measures included anthropometry, muscle mass, and muscle function. All these measures were assessed at baseline, week 5, and week 10. Repeated-measures analysis of variance was used to analyze statistical significance.Results: Consuming fish twice a week for 10 weeks significantly increased the skeletal muscle mass and appendicular lean mass divided by height squared (ALM/h2) (p &lt; 0.01). Handgrip strength and gait speed &lt;0.8 m/s were also improved (p &lt; 0.01) at week 10 compared with that at baseline.Discussion: Consuming fish seems to improve muscle mass and function and may slow sarcopenia progression in middle-age and older adults.

2021 ◽  
Vol 46 ◽  
pp. S545
F. Wang ◽  
P. Chandler ◽  
O. Zeleznik ◽  
A.H. Eliassen ◽  
L. Liang ◽  

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