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https://www.readbyqxmd.com/read/28346117/on-the-communicative-function-of-body-odors
#1
Jasper H B de Groot, Gün R Semin, Monique A M Smeets
Humans use multiple senses to navigate the social world, and the sense of smell is arguably the most underestimated one. An intriguing aspect of the sense of smell is its social communicative function. Research has shown that human odors convey information about a range of states (e.g., emotions, sickness) and traits (e.g., individuality, gender). Yet, what underlies the communicability of these states and traits via smell? We fill this explanatory gap with a framework that highlights the dynamic and flexible aspects of human olfactory communication...
March 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28338216/the-diversified-function-and-potential-therapy-of-ectopic-olfactory-receptors-in-non-olfactory-tissues
#2
REVIEW
Zhe Chen, Hong Zhao, Nian Fu, Linxi Chen
Olfactory receptors (ORs) are mainly distributed in olfactory neurons and play a key role in detecting volatile odorants, eventually resulting in the production of smell perception. Recently, it is also reported that ORs are expressed in non-olfactory tissues including heart, lung, sperm, skin and cancerous tissues. Interestingly, ectopic ORs are associated with the development of diseases in non-olfactory tissues. For instance, ectopic ORs initiate the hypoxic ventilatory responses and maintain the oxygen homeostasis of breathing in the carotid body when oxygen levels decline...
March 24, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28292323/relationships-between-pathologic-subjective-halitosis-olfactory-reference-syndrome-and-social-anxiety-in-young-japanese-women
#3
Miho Tsuruta, Toru Takahashi, Miki Tokunaga, Masanori Iwasaki, Shota Kataoka, Satoko Kakuta, Inho Soh, Shuji Awano, Hiromi Hirata, Masaharu Kagawa, Toshihiro Ansai
BACKGROUND: Pathologic subjective halitosis is known as a halitosis complaint without objective confirmation of halitosis by others or by halitometer measurements; it has been reported to be associated with social anxiety disorder. Olfactory reference syndrome is a preoccupation with the false belief that one emits a foul and offensive body odor. Generally, patients with olfactory reference syndrome are concerned with multiple body parts. However, the mouth is known to be the most common source of body odor for those with olfactory reference syndrome, which could imply that the two conditions share similar features...
March 14, 2017: BMC Psychology
https://www.readbyqxmd.com/read/28259806/awake-long-term-intranasal-insulin-treatment-does-not-affect-object-memory-odor-discrimination-or-reversal-learning-in-mice
#4
Genevieve A Bell, Debra Ann Fadool
Intranasal insulin delivery is currently being used in clinical trials to test for improvement in human memory and cognition, and in particular, for lessening memory loss attributed to neurodegenerative diseases. Studies have reported the effects of short-term intranasal insulin treatment on various behaviors, but less have examined long-term effects. The olfactory bulb contains the highest density of insulin receptors in conjunction with the highest level of insulin transport within the brain. Previous research from our laboratory has demonstrated that acute insulin intranasal delivery (IND) enhanced both short- and long-term memory as well as increased two-odor discrimination in a two-choice paradigm...
March 2, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28254652/chemosensory-danger-detection-in-the-human-brain-body-odor-communicating-aggression-modulates-limbic-system-activation
#5
Smiljana Mutic, Yvonne F Brünner, Rea Rodriguez-Raecke, Martin Wiesmann, Jessica Freiherr
Although the sense of smell is involved in numerous survival functions, the processing of body odor emitted by dangerous individuals is far from understood. The aim of the study was to explore how human fight chemosignals communicating aggression can alter brain activation related to an attentional bias and danger detection. While the anterior cingulate cortex (ACC) was seen involved in processing threat-related emotional information, danger detection and error evaluation, it still remains unknown whether human chemosignals communicating aggression can potentially modulate this activation...
February 28, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28242928/influence-of-lipid-content-and-packaging-methods-on-the-quality-of-dried-capelin-mallotus-villosus-during-storage
#6
O O Cyprian, K Sveinsdottir, M V Nguyen, T Tomasson, G Thorkelsson, S Arason
Capelin annual catch exceeds half a million tons in Iceland, with only a small quantity (<20%) of female with roe used for human food. There is a potential to use dried male capelin as a new product for human consumption, but its lipid content varies considerably (4-20% body weight). Earlier studies were more concentrated on the influence of drying conditions than the influence of storage conditions on the quality of dried fish, as dried fish are usually considered to be stable and safe during storage. Three batches of dried male capelin differing in lipid content were packaged and studied during 5 months storage at 22 ± 2 °C to establish appropriate lipid content at harvesting and product packaging method...
February 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28231148/potential-use-of-gamma-irradiated-ethnic-ready-to-eat-foods-to-improve-the-nutritional-status-of-landslide-victims
#7
REVIEW
Zubaidah Irawati Koenari, Carmen M Siagian, Bona Simanungkalit, Asti Nilatany, Indra Mustika Pratama, Deudeu Lasmawati, Cecep M Nurcahya
The safety and high quality of ethnic ready-to-eat foods as a source of nourishment and food supplies chain to the remote areas become particularly important. Consuming healthy and balanced nutritional foods means eating better quality foods in proper quantities. Such foods can be developed through a preservation technique by using ionizing radiation. Although implementation of the technology for certain foodstuffs has been implemented in some countries, application of the process to a complete set of meals for selected target groups is still very limited...
July 26, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231094/can-the-palatability-of-healthy-satiety-promoting-foods-increase-with-repeated-exposure-during-weight-loss
#8
Katherene O-B Anguah, Jennifer C Lovejoy, Bruce A Craig, Malinda M Gehrke, Philip A Palmer, Petra E Eichelsdoerfer, Megan A McCrory
Repeated exposure to sugary, fatty, and salty foods often enhances their appeal. However, it is unknown if exposure influences learned palatability of foods typically promoted as part of a healthy diet. We tested whether the palatability of pulse containing foods provided during a weight loss intervention which were particularly high in fiber and low in energy density would increase with repeated exposure. At weeks 0, 3, and 6, participants (n = 42; body mass index (BMI) 31.2 ± 4.3 kg/m²) were given a test battery of 28 foods, approximately half which had been provided as part of the intervention, while the remaining half were not foods provided as part of the intervention...
February 22, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28217264/eight-essential-foods-in-iranian-traditional-medicine-and-their-role-in-health-promotion-and-well-being
#9
REVIEW
Mehrdad Zeinalian, Mehdi Eshaghi, Mahdi Hadian, Homayoun Naji, Sayed Mohammad Masoud Marandi, Sedigheh Asgary
Eight essential foods (EEF) described in Iranian traditional medicine (ITM) have a determinant role to balance human temperament insuring health and well-being. EEF included oral, imaginary, auditory, visual, olfactory, touch, sexual, and familiarity food. Oral foods should be halal, compatible with individual temper, consumed up twice a day, and compatible with different seasons and geographic conditions. Imaginary food consists of the individual thought content which is directly related to mental and physical fitness...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28212347/molecularly-imprinted-sol-gel-based-qcm-sensor-arrays-for-the-detection-and-recognition-of-volatile-aldehydes
#10
Chuanjun Liu, Bartosz Wyszynski, Rui Yatabe, Kenshi Hayashi, Kiyoshi Toko
The detection and recognition of metabolically derived aldehydes, which have been identified as important products of oxidative stress and biomarkers of cancers; are considered as an effective approach for early cancer detection as well as health status monitoring. Quartz crystal microbalance (QCM) sensor arrays based on molecularly imprinted sol-gel (MISG) materials were developed in this work for highly sensitive detection and highly selective recognition of typical aldehyde vapors including hexanal (HAL); nonanal (NAL) and bezaldehyde (BAL)...
February 16, 2017: Sensors
https://www.readbyqxmd.com/read/28207856/biodiesel-production-potential-from-fat-fraction-of-municipal-waste-in-makkah
#11
K Shahzad, A S Nizami, M Sagir, M Rehan, S Maier, M Z Khan, O K M Ouda, I M I Ismail, A O BaFail
In the Kingdom of Saudi Arabia (KSA), millions of Muslims come to perform Pilgrimage every year. Around one million ton of municipal solid waste (MSW) is generated in Makkah city annually. The collected MSW is disposed of in the landfills without any treatment or energy recovery. As a result, greenhouse gas (GHG) emissions and contamination of the soil and water bodies along with leachate and odors are occurring in waste disposal vicinities. The composition of MSW shows that food waste is the largest waste stream (up to 51%) of the total generated MSW...
2017: PloS One
https://www.readbyqxmd.com/read/28199564/do-masculine-men-smell-better-an-association-between-skin-color-masculinity-and-female-preferences-for-body-odor
#12
Mariana L Carrito, Isabel M Santos, Laura Alho, Jacqueline Ferreira, Sandra C Soares, Pedro Bem-Haja, Carlos F Silva, David I Perrett
No abstract text is available yet for this article.
February 11, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28187311/candidate-chemosensory-genes-identified-in-the-endoparasitoid-meteorus-pulchricornis-hymenoptera-braconidae-by-antennal-transcriptome-analysis
#13
Sheng Sheng, Cheng-Wu Liao, Yu Zheng, Yu Zhou, Yan Xu, Wen-Miao Song, Peng He, Jian Zhang, Fu-An Wu
Meteorus pulchricornis is an endoparasitoid wasp which attacks the larvae of various lepidopteran pests. We present the first antennal transcriptome dataset for M. pulchricornis. A total of 48,845,072 clean reads were obtained and 34,967 unigenes were assembled. Of these, 15,458 unigenes showed a significant similarity (E-value <10(-5)) to known proteins in the NCBI non-redundant protein database. Gene ontology (GO) and cluster of orthologous groups (COG) analyses were used to classify the functions of M...
January 31, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28158237/an-increase-in-visceral-fat-is-associated-with-a-decrease-in-the-taste-and-olfactory-capacity
#14
Jose Carlos Fernandez-Garcia, Juan Alcaide, Concepcion Santiago-Fernandez, M M Roca-Rodriguez, Zaida Aguera, Rosa Baños, Cristina Botella, Rafael de la Torre, Jose M Fernandez-Real, Gema Fruhbeck, Javier Gomez-Ambrosi, Susana Jimenez-Murcia, Jose M Menchon, Felipe F Casanueva, Fernando Fernandez-Aranda, Francisco J Tinahones, Lourdes Garrido-Sanchez
INTRODUCTION: Sensory factors may play an important role in the determination of appetite and food choices. Also, some adipokines may alter or predict the perception and pleasantness of specific odors. We aimed to analyze differences in smell-taste capacity between females with different weights and relate them with fat and fat-free mass, visceral fat, and several adipokines. MATERIALS AND METHODS: 179 females with different weights (from low weight to morbid obesity) were studied...
2017: PloS One
https://www.readbyqxmd.com/read/28152094/beetle-pollination-and-flowering-rhythm-of-annona-coriacea-mart-annonaceae-in-brazilian-cerrado-behavioral-features-of-its-principal-pollinators
#15
Marilza Silva Costa, Ricardo José Silva, Hipólito Ferreira Paulino-Neto, Mônica Josene Barbosa Pereira
The conservation and sustainable management of Annona coriacea requires knowledge of its floral and reproductive biology, and of its main pollinators and their life cycles. In this work, we analyzed these aspects in detail. Floral biology was assessed by observing flowers from the beginning of anthesis to senescence. The visiting hours and behavior of floral visitors in the floral chamber were recorded, as were the sites of oviposition. Excavations were undertaken around specimens of A. coriacea to determine the location of immature pollinators...
2017: PloS One
https://www.readbyqxmd.com/read/28056656/age-and-pubertal-status-related-changes-in-reports-of-perception-of-personal-odors
#16
Lenka Martinec Nováková, Dagmar Plotěná, Jan Havlíček
As previously suggested, preferences for kin body odor might undergo an adaptive change over the course of puberty in order to avoid potential inbreeding, resulting in aversion to body odor of the opposite-gender kin as individuals mature sexually. However, studies based on mutual body odor aversion are rather inconclusive. We therefore investigated whether children's reports of individuals smelling good or bad differed as a function of age and pubertal status. We asked 219 children (94 male) aged 10 to 15 years to assess their pubertal development using a standardized measure and to name individuals they thought smelled good or bad...
January 1, 2017: Perception
https://www.readbyqxmd.com/read/28053896/effects-of-4-week-continuous-ingestion-of-champignon-extract-on-halitosis-and-body-and-fecal-odor
#17
Jun Nishihira, Mie Nishimura, Aiko Tanaka, Akihiro Yamaguchi, Toshio Taira
This was placebo-controlled double-blind parallel-group comparative clinical trial targeting 80 men and women aged 50-79 years with halitosis and body and fecal odor. We investigated whether daily champignon extract ingestion for 4 weeks improved these conditions. Subjects were divided into four groups: a placebo group and 50, 500, and 1000 mg/day ingestion groups. No severe adverse events or side effects were noted during the study period. Compared with the placebo group, all champignon extract ingestion groups showed improvement or tendency toward improvement in halitosis and body and fecal odor...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28045639/a-retrospective-cohort-study-of-glossopharyngeal-nerve-taste-in-children-with-recurrent-acute-tonsillitis
#18
Courtney A Hill, Suveera Dang, Michael Beach, Eunice Y Chen
Objective To compare glossopharyngeal taste between healthy children and those with recurrent acute tonsillitis. Study Design Retrospective cohort study. Setting Pediatric clinics in a tertiary care medical center and satellite location. Subjects and Methods Smell and taste testing was administered to 80 well children and 64 children with recurrent acute tonsillitis (age range, 6-17 years). Smell testing was performed with the NIH Toolbox Odor Identification Test, with scores based on national averages for age and sex...
January 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28039314/olfaction-and-risk-of-dementia-in-a-biracial-cohort-of-older-adults
#19
Kristine Yaffe, Daniel Freimer, Honglei Chen, Keiko Asao, Andrea Rosso, Susan Rubin, Greg Tranah, Steve Cummings, Eleanor Simonsick
OBJECTIVE: Prior studies indicate that olfactory function may be an early marker for cognitive impairment, but the body of evidence has been largely restricted to white populations. METHODS: We studied 2,428 community-dwelling black and white older adults (baseline age 70-79 years) without dementia enrolled in the Health, Aging, and Body Composition (Health ABC) study. Olfaction was measured as odor identification (OI) with the 12-item Cross Cultural Smell Identification Test in year 3...
January 31, 2017: Neurology
https://www.readbyqxmd.com/read/28028122/evolution-of-chemosensory-gene-families-in-arthropods-insight-from-the-first-inclusive-comparative-transcriptome-analysis-across-spider-appendages
#20
Joel Vizueta, Cristina Frías-López, Nuria Macías-Hernández, Miquel A Arnedo, Alejandro Sánchez-Gracia, Julio Rozas
Unlike hexapods and vertebrates, in chelicerates, knowledge of the specific molecules involved in chemoreception comes exclusively from the comparative analysis of genome sequences. Indeed, the genomes of mites, ticks and spiders contain several genes encoding homologs of some insect membrane receptors and small soluble chemosensory proteins. Here, we conducted for the first time a comprehensive comparative RNA-Seq analysis across different body structures of a chelicerate: the nocturnal wandering hunter spider Dysdera silvatica Schmidt 1981...
December 27, 2016: Genome Biology and Evolution
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