نتایج جستجو برای: chemical factor and packaging

تعداد نتایج: 16987808  

Journal: :international journal of environmental research 2011
o. akoto g. darko m.a. nkansah

a comprehensive study on the chemical composition of rainwater was carried out in obuasi, a gold mining town in ghana. rainwater samples were analyzed for major ions (ca2+,mg2+, k+, na+, nh4+, cl-, no3- and so4 2-) and trace metals (fe, al, zn, pb, cr, and cd). the rainwater was typically acidic with a mean ph of 4.76±0.47, which ranged from 4.0 to 5.6. the low ph found in the water suggests t...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده علوم انسانی و پایه 1393

burnout is a response to the chronic work stress which is prevalent mostly among the people who do people job, like teaching. the purpose of this study was to develop a valid and reliable instrument that can measure burnout in foreign language teachers. although some widely used instruments were developed before which measured burnout in teachers, a specific instrument which include specific sy...

Journal: :علوم و فنون بسته بندی 0
نیره کریمی یحیی مقصودلو

for button mushrooms packaging, the packaging films with high permeability to oxygen and carbon dioxide are required. permeability of plastic films such as pvc lead to loss of weight (and thus economic value) and textural changes are undesirable for button mushroom. so packaging film of polyolefins (pd 941 and pd 961) can be used. also the new film, hydrophilic materials such as films made from...

Journal: :journal of herbal drugs 0
elahe amani department of food science and technology, college of agriculture, shiraz university, shiraz, iran amir pouya ghandehari yazdi department of food science and technology, college of agriculture, tarbiat modares university, tehran, iran leila sedaghat boroujeni department of food science and technology, science and research branch of tehran, islamic azad university, tehran, iran

introduction: active packaging is one of the innovations in food packaging industry that would be a respons to the changing needs of consumers and markets. in this technique, materials such as adsorbents oxygen, moisture, carbon dioxide, ethylene and carbon dioxide-releasing flavor compounds, antimicrobials, antioxidants and various aromatic compounds are used. in the last decade, great attenti...

M. Azizkhani, M.H. Azizi, M.R. Koushki, P. Koohy-Kamaly,

Background: Edible films and coatings have potential benefits for food packaging, particularly meat products. These coatings prevent weight loss and texture changes during shelf life by reducing moisture loss in fresh and frozen meat products. In this study, effect of calcium alginate edible coating on microbial and chemical properties of refrigerated lamb meat over a period of  5 days was...

Journal: :Appetite 2007
Michael Siegrist Marie-Eve Cousin Hans Kastenholz Arnim Wiek

Nanotechnology is increasingly being employed in the areas of food production and packaging. Public perception will be crucial to the realization of these technological advances. We examined how lay people (N=153) perceive nanotechnology foods and nanotechnology food packaging, and we examined the factors that influence willingness to buy these products. Participants received some general infor...

ژورنال: علمی شیلات ایران 2020

Increasing the per capita consumption of shrimp in the country needs to examine consumer’s behavior, in this way, a product will be produced according to the interests of the consumption community and the barriers to consumption will be removed in the country. Since the behavior of consumers of one type of food (shrimp) may vary in different regions, assessing this difference will help provide ...

2015
Collin N Smith John D Kraemer Andrea C Johnson Darren Mays

Tobacco industry marketing is a primary factor influencing cigarette smoking behavior and the cigarette pack has become an important marketing vehicle for tobacco companies. Standardized "plain" cigarette packaging is advocated as a public health policy to prevent and reduce morbidity and mortality caused by smoking by reducing youth smoking initiation and promoting cessation among smokers. Pla...

Journal: :علوم و فنون بسته بندی 0
مهشید رهبری مینا داوودی معصومه حق زاد

packaging is one of the most important parts of the food industry that is related to food security and it acts as a preserver that maintains the health of its content. product's packaging is the only mean of communication that absorb the attention of consumers in the store among other choices. the packaging is referred to as the silent salesman which means that it sells the product on retail sh...

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