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natural health products

Nada Ahmed, Mohamed Ismail Nounou, Alaa Abouelfetouh, Amal El-Kamel
OBJECTIVES: Nutraceuticals are advertised and sold with the label claim of being natural and safe herbal products. Due to the absence of clear regulations and guidelines for safety assessments of these products, nutraceuticals are commonly adulterated in order to increase sales. The objective of the current study was to design a comprehensive evaluation system to assess the safety, efficacy, authenticity according to label claim and pharmaceutical quality, of herbal slimming products in between 2015 and 2017...
December 5, 2018: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
Danúbia Mariane Barbosa Jardim, Celina Maria Modena
OBJECTIVE: to analyze the scientific production on obstetric violence by identifying and discussing its main characteristics in the routine care for the pregnant-puerperal cycle. METHOD: integrative literature review of 24 publications indexed in the Cumulative Index to Nursing and Allied Health Literature, Medical Literature Analysis and Retrieval System Online, SciVerse Scopus, Web of Science and the Scientific Electronic Library Online and Virtual Health Library...
November 29, 2018: Revista Latino-americana de Enfermagem
D I Ellis, H Muhamadali, Y Xu, R Eccles, I Goodall, R Goodacre
The spirits drinks industry is of significant global economic importance and a major employer worldwide, and the ability to ensure product authenticity and maintain consumer confidence in these high-value products is absolutely essential. Spirit drinks counterfeiting is a worldwide problem, with counterfeiting and adulteration of spirit drinks taking many forms, such as substitution, stretching with lower-grade products, or creation of counterfeits with industrial, surrogate, or locally produced alcohols. Methanol for example, which has been used as a substitute alcohol for ethanol, has a high toxicity in humans...
December 5, 2018: Analyst
Gary F Peter
Plants evolved the capacity to synthesize highly diverse sets of secondary metabolites which are important for plant adaptation and health. In forest trees, many classes of compounds, particularly ones related to defense against insects, fungi, and bacteria accumulate to levels that enable their recovery and commercial use. One of the oldest examples is conifer terpenes, but terpenes are important secondary products from other tree species including eucalypts. Because terpenes, latex, and natural gums are synthesized and stored in specialized secretory glands, ducts, and laticifers in mostly pure forms they can be collected from live trees in addition to being extracted during industrial processing of wood...
2018: Frontiers in Plant Science
Heidi Lynch, Carol Johnston, Christopher Wharton
Plant-based diets provide well-established physical and environmental health benefits. These benefits stem in part from the degree of restriction of animal-derived foods. Historically, meat and other animal-derived proteins have been viewed as an integral component of athletes' diets, leading some to question the adequacy of vegetarian or vegan diets for supporting athletic performance. The purpose of this review is to examine the impact of plant-based diets on human physical health, environmental sustainability, and exercise performance capacity...
December 1, 2018: Nutrients
Zaida Montero-Lobato, María Vázquez, Francisco Navarro, Juan Luis Fuentes, Elisabeth Bermejo, Inés Garbayo, Carlos Vílchez, María Cuaresma
Microalgae have been widely recognized as a valuable source of natural, bioactive molecules that can benefit human health. Some molecules of commercial value synthesized by the microalgal metabolism have been proven to display anti-inflammatory activity, including the carotenoids lutein and astaxanthin, the fatty acids EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), and sulphated polysaccharides. These molecules can accumulate to a certain extent in a diversity of microalgae species. A production process could become commercially feasible if the productivity is high and the overall production process costs are minimized...
November 30, 2018: Marine Drugs
Carla Saunders, James J Brown, David J Carter, Sam Lapkin
ISSUE ADDRESSED: This study investigates the current nature, levels and perceived need for workplace support among mature age Australian workers with chronic illness. METHODS: A cross-sectional population survey was conducted via a double opt-in panel sample of Australian workers aged 45 years and older with one or more of six major chronic diseases (diabetes and/or chronic heart, kidney, lung, mental health and/or musculoskeletal conditions). RESULTS: Three hundred and fourteen respondents reported being in the workforce and having at least one of the chronic conditions under investigation, of which almost one third reported having more than one of the conditions...
December 2018: Health Promotion Journal of Australia
Connor Sharp, Christine Boinett, Amy Cain, Nicholas Housden, Sandip Kumar, Keith Turner, Julian Parkhill, Colin Kleanthous
The outer membrane of Gram-negative bacteria presents a significant barrier for molecules entering the cell. Nevertheless, colicins, which are antimicrobial proteins secreted by E. coli , can target other E. coli cells by binding to cell surface receptor proteins and activating their import resulting in cell death. Previous studies have documented high rates of non-specific resistance (insensitivity) of various E. coli strains towards colicins that is independent of colicin-specific immunity, and is instead associated with lipopolysaccharide (LPS) in the outer membrane...
December 3, 2018: Journal of Bacteriology
Mohammed ELTurk, Rosazlin Abdullah, M Z Rozainah, Nor Kartini Abu Bakar
This study was carried out to evaluate the distribution, enrichment and ecological risk of heavy metals (arsenic (As), zinc (Zn), manganese (Mn), copper (Cu) and lead (Pb)) concentration in Kuala Selangor estuary at the Kuala Selangor Nature Park. The results suggested that As and Pb in sediment were as high as the background value, suggesting the presence of anthropogenic contamination. The risk assessment of sediment Igeo , CD, and PERI, on the other hand, showed low risk of heavy metals in Kuala Selangor estuary...
November 2018: Marine Pollution Bulletin
Chenyin Dong, Mark Patrick Taylor, Sammy Zahran
BACKGROUND: Broken Hill is home to Australia's oldest silver-zinc-lead mine. However, the precise source of childhood blood lead (PbB) exposures has been subject to considerable debate. Lead sources include natural soil Pb enrichment, legacy deposition, contemporary mining emissions, and Pb-based paint. OBJECTIVE: To test whether contemporary mining emissions independently affect childhood PbB in Broken Hill. METHODS: Children's (<5 years old) PbB measures from 2011 to 2015 (n = 4852), obtained from Broken Hill Child & Family Health Centre, were analyzed using generalised linear regression models, including covariates of household soil Pb, city dust Pb concentrations (PbD), demographic factors and Pb ore production...
November 30, 2018: Environment International
Angela L Hewlett, Heather Hohenberger, Caitlin N Murphy, Lindsay Helget, Heidi Hausmann, Elizabeth Lyden, Paul D Fey, Rodney Hicks
BACKGROUND: Acrylic nails harbor more bacteria than natural nails, and wear is not recommended for health care workers (HCWs). Little is known about the new and popular gel nail products. This study sought to evaluate the bacterial burden of gel nails, standard nail polish, and natural nails on the hands of HCWs. METHODS: The study was conducted at 3 health centers. Nails on the dominant hand of 88 HCWs were painted with gel polish and standard polish. Cultures were obtained on days 1, 7, and 14 of wear and before and after hand hygiene with alcohol hand gel...
December 2018: American Journal of Infection Control
Fatemeh Keshavarz, Elham Mazarei
Hydroxyl (OH) is a radical that is distributed all over the universe including human body, where it can be readily produced, results in oxidative damage to cellular components and leads to several health implications. While the reaction of OH with proteins is usually addressed as the gas phase reaction of free amino acids with OH in theoretical studies, this study questions the efficiency of such calculations by focusing on the reaction of glutamic acid (Glu) with OH. According to the results, the reaction profile alters significantly by shifting from gas phase calculations to the solvent phase due to the zwitterionic nature of this amino acid...
December 3, 2018: Journal of Physical Chemistry. A
Baizhan Li, Chenqiu Du, Hong Liu, Wei Yu, Jie Zheng, Meilan Tan, Zhenxing Jin, Wenjie Li, Jing Wu, Lu Chen, Runming Yao
The extensive research interests in environmental temperature can be linked to human productivity/performance as well as comfort and health; while the mechanisms of physiological indices responding to temperature variations remain incompletely understood. This study adopted a physiological sensory nerve conduction velocity (SCV) as a temperature-sensitive biomarker to explore the thermoregulatory mechanisms of human responding to annual temperatures. The measurements of subjects' SCV (over 600 samples) were conducted in a naturally ventilated environment over all four seasons...
November 30, 2018: Indoor Air
R G Silva, J Szabo, V Namboodiri, E R Krishnan, J Rodriguez, A Zeigler
Development of greener water treatment technologies is important for the production of safe drinking water and water security applications, such as decontamination. Chlorine assisted disinfection is common and economical, but can generate disinfection byproducts (DBPs) that may be of health concern. DBPs are formed due to the reaction of chlorine with naturally occurring organic and inorganic substances in water. Currently, various innovative technologies are being developed as alternative approaches for preventing DBPs during water treatment...
June 2018: Water science & technology, water supply
Nida Idrees, B Tabassum, Elsayed Fathi Abd Allah, Abeer Hashem, Robeena Sarah, Mohammad Hashim
Water is considered a vital resource because it is necessary for all aspects of human and ecosystem survival. However, due to natural processes and anthropogenic activities, various pollutants have been added to the ground water system. Among these, heavy metals are some of the most serious pollutants. Cd, a toxic heavy metal used in Ni-Cd batteries, the colouration of plastic and various discarded electronic products released into the water system causes serious health issues. The chronic exposure to Cd produces a wide variety of acute and chronic effects in humans...
November 2018: Saudi Journal of Biological Sciences
Miou Toda, Chikako Uneyama
In recent years, consumer interest in health and health foods (e.g., dietary supplements) has increased, and the types of and market for health foods have also expanded rapidly. The safety of health foods is a significant concern in many countries. Numerous adverse events associated with the consumption of health foods have been reported. There are cases that have resulted in serious liver failure, renal failure, and death in other countries. These products may contain undeclared medical ingredients and toxic chemical compounds that are illegally and intentionally added or contain natural plant toxins...
2018: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
Malik Siddique Mahmood, Muhammad Asad Ullah, Hina Batool, Sana Batool, Naeem Mehmood Ashraf
Gonorrheal infections are the second most prevalent sexually transmitted diseases STDs in the USA populations after Chlamydia. These infections have now become an urgent problem to address because Neisseria gonorrhoeae is capable of developing resistance to multiple antibiotic classes. Infection with these antibiotic-resistant strains has become the major public health concern. Although extensive researches are ongoing to control its transmission and to develop the productive treatments against this pathogen, no effective vaccine could develop till now...
November 28, 2018: Molecular and Cellular Probes
Luz E Farias Altamirano, Carlos L Freites, Elena Vásquez, Estela M Muñoz
The pineal gland (PG) derives from the neural tube, like the rest of the central nervous system (CNS). The PG is specialized in synthesizing and secreting melatonin in a circadian fashion. The nocturnal elevation of melatonin is a highly conserved feature among species which proves its importance in nature. Here, we review a limited set of intrinsic and extrinsic regulatory elements that have been shown or proposed to influence the PG's melatonin production, as well as pineal ontogeny and homeostasis. Intrinsic regulators include the transcription factors CREB, Pax6 and NeuroD1...
November 30, 2018: Seminars in Cell & Developmental Biology
Jiao Li, Donghong Liu, Xiaojun Tian, Shigenobu Koseki, Shiguo Chen, Xingqian Ye, Tian Ding
Methicillin-resistant Staphylococcus aureus (MRSA) is a notorious bacterial pathogen that induces high mortality and morbidity. Due to the emergence of multiple resistance, antibiotic treatments are rapidly becoming ineffective for the related infections. Natural products, especially those derived from plants, have been proven to be effective agents with unique antibacterial properties through different mechanisms. This review interprets the resistance mechanisms of MRSA with the aim to conquer public health threat...
December 3, 2018: Critical Reviews in Food Science and Nutrition
Chao Zhao, Chengfeng Yang, Sydney Tang Chi Wai, Yanbo Zhang, Maria P Portillo, Paolo Paoli, Yijing Wu, Wai San Cheang, Bin Liu, Christian Carpéné, Jianbo Xiao, Hui Cao
Type 2 diabetes mellitus (T2DM) is the most prevalent disease and becoming a serious public health threat worldwide. It is a severe endocrine metabolic disorder that has the ability to induce serious complications in all kinds of organs. Although mechanisms of anti-diabetics have been described before, we focus here on the cellular and physiological mechanisms involved in the modulation of insulin and glucose blood levels. As obesity and inflammation are intimately associated with the development of T2DM, their possible relationships are also described...
December 3, 2018: Critical Reviews in Food Science and Nutrition
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