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Recent advances in functional 3D printing of foods: a review of functions of ingredients and internal structures
Linlin Zhao, Min Zhang, Bimal Chitrakar & Benu Adhikari
doi : 10.1080/10408398.2020.1799327
Volume 61, Issue 21, Pages 3489-3503
Three-dimensional (3D) food printing technology combines 3D printing and food manufacturing. Rapidly increasing number of publications on various aspects of 3D food printing indicate the importance of this technology to food industry. The potential of delivering personalized products tailored to meet the taste preferences and specific dietary needs is one of the reasons for increasing researches in this technology. Currently there is an absence of a systematic review on the functional 3D printing. Also, there is no review on four-dimensional (4D) food printing concept that has emerged recently. This paper systematically reviews the functional ingredients used for creating printable food formula and their functions, including physiological functions, beneficial for health and physico-chemical functions, affecting the quality of 3D printing. In addition, it analyzes the functions of internal structures used or developed during 3D printing (infill structure and infill density) and their effects on texture properties of 3D printed food. Finally, it also introduces the concept of 4D food printing and summarizes the current advances in this novel technology.
The effect of maternal seafood consumption on perinatal outcomes: a systematic review and dose-response meta-analysis
Rui Zhao, Qin Gao, Shanshan Wang, Xuefeng Yang & Liping Hao
doi : 10.1080/10408398.2020.1802573
Volume 61, Issue 21, Pages 3504-3517
Observational studies have suggested inconsistent results between maternal seafood consumption and the risk of adverse birth outcomes. We aimed to explore the possible dose-response relationship between seafood consumption during pregnancy and perinatal outcomes. A systematic search was performed with the use of PubMed, Web of Science, Embase and Cochrane Library from inception to October 27, 2019. Random-effects model was used to estimate pooled odds ratios (ORs) and 95% confidence intervals (CIs). Dose-response meta-analysis was carried out by using generalized least-squares regression and restricted cubic splines. Twenty-one studies with a total of 571641 participants were included in the analyses. A 45?g/day increment in seafood consumption was associated with a reduced risk of low birth weight (LBW) (OR: 0.65, 95% CI: 0.47 to 0.90) and small for gestational age (SGA) (OR: 0.84, 95% CI: 0.71 to 0.98). Additionally, there was a non-linear dose-response relationship between maternal seafood consumption and the risk of preterm birth (PTB), with no further benefit observed when intake above 45?g/day. The results for subtypes of seafood showed a modest J-shaped association between fatty fish and PTB, and the lowest risk was observed with the consumption of 30?g/day. In conclusion, higher total seafood consumption during pregnancy was associated with a lower risk of adverse birth outcomes, but the consumption of fatty fish should not exceed 30 grams per day. These findings could provide substantial evidence for dietary recommendations regarding seafood intake for pregnant women. This review was registered in PROSPERO (CRD42020152912).
Roles of intestinal bacteroides in human health and diseases
Chen Wang, Jianxin Zhao, Hao Zhang, Yuan-Kun Lee, Qixiao Zhai & Wei Chen
doi : 10.1080/10408398.2020.1802695
Volume 61, Issue 21, Pages 3518-3536
Bacteroides, an abundant genus in the intestines of mammals, has been recently considered as the next generation probiotics (NGP) candidate due to its potential role in promoting host health. However, the role of Bacteroides in the development of intestinal dysfunctions such as diarrhea, inflammatory bowel disease, and colorectal cancer should not be overlooked. In the present study, we focused on nine most widely occurred and abundant Bacteroides species and discussed their roles in host immunity, glucose and lipid metabolism and the prevention or induction of diseases. Besides, we also discussed the current methods used in the safety evaluation of Bacteroides species and key opinions about the concerns of these strains for the future use.
Bio-purification of sugar industry wastewater and production of high-value industrial products with a zero-waste concept
Muhammad Zohaib Nawaz, Muhammad Bilal, Arslan Tariq, Hafiz M. N. Iqbal, Huda Ahmed Alghamdi & Hairong Cheng
doi : 10.1080/10408398.2020.1802696
Volume 61, Issue 21, Pages 3537-3554
In recent years, biorefinery approach with a zero-waste concept has gained a lot research impetus to boost the environment and bioeconomy in a sustainable manner. The wastewater from sugar industries contains miscellaneous compounds and need to be treated chemically or biologically before being discharged into water bodies. Efficient utilization of wastewater produced by sugar industries is a key point to improve its economy. Thus, interest in the sugar industry wastes has grown in both fundamental and applied research fields, over the years. Although, traditional methods being used to process such wastewaters are effective yet are tedious, laborious and time intensive. Considering the diverse nature of wastewaters from various sugar-manufacturing processes, the development of robust, cost-competitive, sustainable and clean technologies has become a challenging task. Under the recent scenario of cleaner production and consumption, the biorefinery and/or close-loop concept, though using different technologies and multi-step processes, namely, bio-reduction, bio-accumulation or biosorption using a variety of microbial strains, has stepped-up as the method of choice for a sustainable exploitation of a wide range of organic waste matter along with the production of high-value products of industrial interests. This review comprehensively describes the use of various microbial strains employed for eliminating the environmental pollutants from sugar industry wastewater. Moreover, the main research gaps are also critically discussed along with the prospects for the efficient purification of sugar industry wastewaters with the concomitant production of high-value products using a biorefinery approach. In this review, we emphasized that the biotransformation/biopurification of sugar industry waste into an array of value-added compounds such as succinic acid, L-arabinose, solvents, and xylitol is a need of hour and is futuristic approach toward achieving cleaner production and consumption.
Rapid and ultrasensitive detection of food contaminants using surface-enhanced Raman spectroscopy-based methods
Yahui Guo, Mogos Girmatsion, Hung-Wing Li, Yunfei Xie, Weirong Yao, He Qian, Bereket Abraha & Abdu Mahmud
doi : 10.1080/10408398.2020.1803197
Volume 61, Issue 21, Pages 3555-3568
With the globalization of food and its complicated networking system, a wide range of food contaminants is introduced into the food system which may happen accidentally, intentionally, or naturally. This situation has made food safety a critical global concern nowadays and urged the need for effective technologies capable of dealing with the detection of food contaminants as efficiently as possible. Hence, Surface-enhanced Raman spectroscopy (SERS) has been taken as one of the primary choices for this case, due to its extremely high sensitivity, rapidity, and fingerprinting interpretation capabilities which account for its competency to detect a molecule up to a single level. Here in this paper, we present a comprehensive review of various SERS-based novel approaches applied for direct and indirect detection of single and multiple chemical and microbial contaminants in food, food products as well as water. The aim of this paper is to arouse the interest of researchers by addressing recent SERS-based, novel achievements and developments related to the investigation of hazardous chemical and microbial contaminants in edible foods and water. The target chemical and microbial contaminants are antibiotics, pesticides, food adulterants, Toxins, bacteria, and viruses. In this paper, different aspects of SERS-based reports have been addressed including synthesis and use of various forms of SERS nanostructures for the detection of a specific analyte, the coupling of SERS with other analytical tools such as chromatographic methods, combining analyte capture and recognition strategies such as molecularly imprinted polymers and aptasensor as well as using multivariate statistical analyses such as principal component analysis (PCA)to distinguish between results. In addition, we also report some strengths and limitations of SERS as well as future viewpoints concerning its application in food safety.
Polysaccharides catabolism by the human gut bacterium -Bacteroides thetaiotaomicron: advances and perspectives
Meng Ye, Juping Yu, Xuexia Shi, Jingyi Zhu, Xiangdong Gao & Wei Liu
doi : 10.1080/10408398.2020.1803198
Volume 61, Issue 21, Pages 3569-3588
In recent years, the degradation processes of polysaccharides by human gut microbiota are receiving considerable attention due to the discoveries of the powerful function of gut microbiota. Gut microbiota has developed a sensitive, accurate, and complex system for sensing, capturing, and degrading different polysaccharides. Among the gut microbiota, Bacteroides thetaiotaomicron, a representative species of Bacteroides, is considered as the best degrader of polysaccharides and a potential probiotic in pharmaceutical and food industries. Here, we summarize the degradation system of B. thetaiotaomicron and the degradation pathways of different polysaccharides by B. thetaiotaomicron. We also describe a technical route for investigating a specific polysaccharide degradation pathway by human gut bacteria. In addition, we also provide the future perspectives in the development of novel polysaccharides or oligosaccharides drugs, precision microbiology medicine, and personalized nutrition.
Dietary protein-phenolic interactions: characterization, biochemical-physiological consequences, and potential food applications
Qiaozhi Zhang, Zhouzhou Cheng, Yanbo Wang & Linglin Fu
doi : 10.1080/10408398.2020.1803199
Volume 61, Issue 21, Pages 3589-3615
Dietary proteins and phenolic compounds are commonly co-existing components that readily interact with each other to yield complexes in a wide range of food systems. The formed complexes play a critical role in the physiochemical characteristics of both reacting molecules, thereby impacting nutritional and quality profiles of related products. In this review, we provided the most updated knowledge on dietary protein-phenolic interactions related with food science and human nutrition, including their mechanisms of complexation, analytical technologies, and alterations in the functionality and nutraceutical properties of both reacting partners. Their potential applications in the industries regarding stability during food processing and storage, impacts on product quality, and fabrication of novel delivery systems for liable bioactives were also discussed. The interactions between dietary proteins and phenolics, either via non-covalent or covalent processes, are ubiquitous in food systems and are closely associated with chemical structures of both compounds and the surrounding conditions, mainly temperature, pH, and the presence of phenolic oxidases. Albeit in different ways, such intermolecular associations induced changes in protein conformational structures, which subsequently impacted their techno-functional properties, digestibility, and allergenic potentials; in turn, the bioaccessibility/bioavailability and health-protecting features of interacted phenolics were modified to various extents, as noticed by in vitro and in vivo evidence. Largely depending on the interaction molecules and preparation steps, those influences can be either favorable or unfavorable in different systems and therefore can be tailored to develop food products and nutraceuticals with maximized functionality and quality attributes.
Selenium status in the body and cardiovascular disease: a systematic review and meta-analysis
Angelica Kuria, Hongdou Tian, Mei Li, Yinhe Wang, Jan Olav Aaseth, Jiajie Zang & Yang Cao
doi : 10.1080/10408398.2020.1803200
Volume 61, Issue 21, Pages 3616-3625
Both experimental and observational studies have provided conflicting evidence on the associations of selenium with incidence and mortality of cardiovascular disease (CVD). The aim of this study was to evaluate the association between selenium status in the body and incidence and mortality of CVD by performing a systematic review and meta-analysis of observational studies and randomized controlled trials. Methods: A systematic search for articles in MEDLINE (Ovid), Embase, Web of Science (Thomson Reuters) and Cochrane library (Wiley) was conducted. Thirteen of the 1811 articles obtained from the databases met our inclusion criteria and were considered in the final analysis. The effect sizes were presented as weighted relative risk (RR) and 95% confidence intervals (CIs) using random-effects model. To detect dose-response relationships, we used meta-regression. Results: Overall, there was a reduced risk of CVD incidence (RR?=?0.66; 95% CI: 0.40–1.09) and mortality (RR?=?0.69; 95% CI: 0.57–0.84) in physiologically high selenium status compared to low selenium status in the body. There was a 15% (RR?=?0.85, 95% CI: 0.76–0.94) decreased risk of CVD incidence per 10?µg increment in blood selenium concentration. In addition, a statistically significantly nonlinear dose-response relationship was found between CVD mortality and increased blood selenium concentration with the lowest risk at the 30–35?µg increment in blood selenium. Conclusions: Physiologically high selenium levels in the body are associated with decreased risk for CVD incidence and mortality, however, people should be cautious about the potential harmful effects from excessive intake of selenium.
Progress in the pretreatment and analysis of N-nitrosamines: an update since 2010
Yu Bian, Yuan Zhang, Yu Zhou, Guo-hui Li & Xue-song Feng
doi : 10.1080/10408398.2020.1803790
Volume 61, Issue 21, Pages 3626-3660
As highly toxic substances, N-nitrosamines (NAs) have been proved to cause carcinogenesis and mutagenesis in humans. Therefore, to carefully monitor safety and preserve human health, the development of rapid, accurate, and high-sensitivity determination methods of NAs is of substantial importance. This review provides a current-status comprehensive summary of the pretreatment and determination methods of NAs in various samples since 2010. Common pretreatment methods that have been used to extract and purify targets include solid-phase extraction, liquid-liquid extraction and various microextraction methods, such as solid-phase microextraction and liquid-phase microextraction, among others. Determination methods include liquid chromatography, gas chromatography, supercritical fluid chromatography and electrochemical methods, among others. In addition, we discuss and compare the advantages and disadvantages of various pretreatment and analytical methods and examine the prospects in this area.
Dairy intake and bone health across the lifespan: a systematic review and expert narrative
Taylor C. Wallace, Regan L. Bailey, Joan Lappe, Kimberly O. O’Brien, Ding Ding Wang, Shivani Sahni & Connie M. Weaver
doi : 10.1080/10408398.2020.1810624
Volume 61, Issue 21, Pages 3661-3707
Over the past 30-years, the U.S. Dietary Guidelines for Americans have included recommendations around dairy consumption, largely based on meeting recommendations for calcium intake with the intended purpose of osteoporosis prevention. Although dairy products provide more bone-beneficial nutrients (e.g., calcium, magnesium, potassium, zinc, phosphorus, and protein) per unit of energy than any other food group, the relevance of dairy products for long-term bone health and fracture prevention has resurged as some observational studies have suggested consumption to be associated with a greater risk of fractures. Given this controversy, we sought to synthesize the evidence on dairy consumption and bone health across the lifespan. We searched the PubMed, EMBASE, Web of Science, and Cochrane Central Register of Controlled Trials databases for English-language publications through June 2, 2020. Case-controlled, cross-sectional, prospective cohort or nestled case-control (or case cohort), and clinical trials reporting the effect of dairy products on bone mineral density, bone mineral content, and/or fractures were included in the systematic review. Two reviewers independently performed data extractions. Data from 91 publications, including 30 RCTs, 28 prospective cohorts, 23 cross-sectional studies, and 10 case-control studies were included in the systematic review. We assigned a “D” grade or “insufficient evidence” for the effect of dairy in infants and toddlers (0- to <36-months), children (3- to <10-years), and young adults (19- to <50-years). A “C” grade or “limited evidence” was assigned for the effect of dairy in adolescents (10- to <19-years). A “B” grade or “moderate” evidence was assigned for the effect of dairy in middle aged to older adults (?50-years). Research on bone mass in adults between the ages of 20- to 50-years and individuals from other ethnic groups apart from Chinese females and Caucasians is greatly needed. Daily intake of low or nonfat dairy products as part of a healthy habitual dietary pattern may be associated with improved BMD of the total body and at some sites and associated with fewer fractures in older adults.
