نتایج جستجو برای: quality and shelf life
تعداد نتایج: 16979301 فیلتر نتایج به سال:
the effects of uv-c illumination at the dosage of 6.6 kj m-2 on postharvest quality of mango fruit cv. ‘kaew kamin’ during storage at 25 or 12°c were investigated. the changes in fresh weight, texture, ripening index (ri), peel and pulp colours, visual appearance, total carotenoids (tc) and ascorbic acid (asa) content were determined on days 0, 4, 8, 12 and 16 of storage. uv-c irradiation effec...
Background & Aim: Natural compounds can prolong the shelf life of food by inhibiting the growth of pathogenic and spoilage microorganisms. The purpose of this study was to investigate the effect of Sheng and Ziziphora alcoholic extracts (at concentrations of 500, 1000 and 1500 ppm) on physico chemical properties and microbial quality of yogurt. Experimental: </str...
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 deca...
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 deca...
Shelf life of minimally processed vegetables is often calculated by using the kinetic parameters of Gompertz equation as modified by Zwietering et al. [Zwietering, M.H., Jongenburger, F.M., Roumbouts, M., van't Riet, K., 1990. Modelling of the bacterial growth curve. Applied and Environmental Microbiology 56, 1875-1881.] taking 5x10(7) CFU/g as the maximum acceptable contamination value consist...
In the complete assessment of the quality of milk and milk products, one of the important elements influencing the quality of the product is its storage stability e.g. shelf life. The quality is not a matter of choice, but impertive for survival on the market due to economical reasons as well as international regulations. Durability of a product is the consequence of the collection of milk, pro...
Commercial regulation of ripening is currently achieved through early harvest, by controlling the postharvest storage atmosphere and genetic selection for slow or late ripening varieties. Although these approaches are often effective, they are not universally applicable and often result in acceptable, but poor quality, products. With increased understanding of the molecular biology underlying r...
Precise temperature monitoring is the major precondition to supervise quality losses within the transport chain for fresh products. Different types of miniaturised data loggers with electrical and semi-passive RFID interface were compared and applied to record spatial temperature profiles for typical transport situations. The resulting effects of the found temperature variations were evaluated ...
nisin is a widely used naturally occurring antimicrobial effective against many pathogenic and spoilage microorganisms. it has been proposed that reduced efficacy of nisin in foods can be improved by technologies such as encapsulation to protect it from interferences by food matrix components. this study was carried out to evaluate the microbiological quality of fresh trout slices treated with ...
Background & Aim: Natural compounds can prolong the shelf life of food by inhibiting the growth of pathogenic and spoilage microorganisms. The purpose of this study was to investigate the effect of Sheng and Ziziphora alcoholic extracts (at concentrations of 500, 1000 and 1500 ppm) on physico chemical properties and microbial quality of yogurt. Experimental: </str...
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