چکیده در این مطالعه، تقاضای گروه های اصلی خوراکی در مناطق شهری ایران برای دوره زمانی1361 تا 1386 بررسی شده است. بدین منظور از سیستم تقاضای تقریباً ایده آل خطی (la/aids)، شاخص تقریب خطی لاسپیرس و روش رگرسیون های به ظاهر نامرتبط (sur) استفاده شد. نتایج به دست آمده نشان داد که متغیر متوسط جمعیت خانوار در بیشتر معادلات تأثیر معناداری بر تقاضای خانوار داشته است. قیود همگنی و تقارن نیز مورد آزمون قرار...

objective: a significant increase in violence in the world and its impact on public health and ‎society can be an important reason to offer solutions to reduce or control anger. studies ‎have shown that specific food groups may be effective in controlling mental disorders ‎such as depression, anxiety and anger. the purpose of this study was to determine the ‎relationship between food intake and...

AIMS Intermittent presentations of the ethanol sipper have been reported to induce more ethanol drinking in rats than when the ethanol sipper was continuously available during the session. This intermittent sipper effect was observed in a social drinking situation, in which subjects experienced intermittent opportunities to interact briefly with a conspecific rat. The objective of this study wa...

BACKGROUND Zinc supplementation decreases morbidity from infections and increases growth of stunted children, but there is little information on functional responses to zinc delivered in fortified foods. OBJECTIVE The aim was to examine the effects of zinc fortification on the growth, morbidity from infections, and plasma zinc concentrations of young children. DESIGN We compared the physica...

Trust is recognised as an important component for Business-to-Business (B2B) e-commerce success and consolidation among the agribusiness operators, but few studies link trust and e-commerce in agri-food markets. The implementation of trust into technical and organisational solutions is a prerequisite for using the Information and Communication Technology (ICT) potential in the agribusiness netw...

Cues that predict food can stimulate appetite and feeding independent of physiological hunger. How long such effects might last is currently unknown. Here we began to characterize long-term effects in a rodent model of cue-potentiated feeding. Rats were conditioned to associate a tone with food pellets distinct from their regular laboratory chow, and then were tested along with controls for foo...

BACKGROUND There is controversy regarding whether hypersensitivity to food proteins contributes to colic among breastfed infants. METHODS A randomized, controlled trial of a low-allergen maternal diet was conducted among exclusively breastfed infants presenting with colic. In the active arm, mothers excluded cow's milk, eggs, peanuts, tree nuts, wheat, soy, and fish from their diet; mothers i...

due to the adverse effects of obesity and overweight on health status of people, organizations that provide daily food aim for a healthy body mass index among their staff. the purpose of this applied randomized controlled trial (rct) was to study the effect of modifications in the food service section and nutritional intervention on the bmi of staff in an industrial center. in this applied rand...

BACKGROUND Specific oral tolerance induction (SOTI) seems to be a promising treatment of food allergy. Specific oral tolerance induction and elimination diet were compared with respect to efficacy rate and patterns of clinical reaction. METHODS Children with challenge proven immunoglobulin E (IgE)-mediated cow's milk (CM) allergy or hen's egg (HE) allergy were randomly assigned to SOTI or eli...