Background: Dried fruit is one of the main sources of sulphur dioxide (SO2) exposure. The major goal of the current study was to determine SO2 concentration in some widely consumed dried fruits in Hamadan, Iran. In addition, an estimate of sulphite intake was made through the aforementioned dried fruit. Methods: Totally, 126 dried fruit samples were randomly collected from local market in Hamadan, Iran. The sulfur dioxide, moisture contents, and pH of dried fruit samples were measured by iodometric titration, gravimetric method, and pH meter, respectively. Data analysis was performed using SPSS statistical software. Results: The mean sulphite residue in raisin, sultana, half-dried apricot, whole-dried apricot, dried prune, peach fruit leather, and apricot fruit leather was 236.49±231.34, 485.84±217.55, 1204.00±750.21, 2257.78±1406.63, 597.32±401.82, 84.74±109.22, and 38.28±32.40 mg/kg, respectively. Eleven out of 18 (61.11%) whole-dried apricot samples and 3 out of 18 (16.66%) half-dried apricot samples had unacceptable level of sulphite. The moisture contents and pH of all dried fruit were at an acceptable level. The amount of daily sulphite exposure through the consumption of dried fruits for preschool children, adult females, and adult males were 0.53, 0.35, and 0.30 mg/kg body weight/day, respectively. Conclusion: As the intake of sulphite through the dried fruit in Iran was lower than acceptable daily intake, it appears that the content of this food preservative in dried fruits consumed in Iran has no serious risk for Iranian consumers. However, consumers should be advised to avoid excessive consumption of dried fruits, especially whole-dried apricot.
In recent years, due to the increasing concern of consumers about their food health. Pay attention to foods not only as a source of nutrients but also as promoters of health and wellness-hence the increase in demand for foods that have active or functional ingredients (especially natural ingredients). They increase nutritional value and nutritional health. Changes in food consumption, disorder the intestinal microbial system. Maintaining the health benefits of consuming beneficial bacteria that are present in the intestinal system. Probiotics are essential for improving intestinal microbial homeostasis. Probiotics are living microorganisms that, if recommended in sufficient quantities, can have positive effects on human health. Lowers cholesterol, improves lactose intolerance, increases nutritional value and prevents cancer. Probiotics are unstable during storage and the gastrointestinal tract (pH and bile salts). For this reason, the survival of probiotic cells and the absence of changes in the sensory properties of the product during storage are of have fundamental importance. Encapsulation and co-encapsulation with prebiotics are often a good way to increase the resistance of probiotic bacteria to difficult conditions and their survival. This leads to improved production of probiotic products and increased food health in the world.
This study reports on an investigation into the effect of Computer Assisted Vocabulary Learning (CAVL) on fostering the incidental vocabulary gain of 62 pre-intermediate teenage learners of English studying in a language institute in Iran. These participants were randomly assigned to CAVL and traditional teacher-led groups. Additionally, the two groups’ perceptions towards Computer-Assisted Language Learning (CALL) and Computer-Assisted Learning (CAL) were surveyed and compared. A multimedia application integrating contextual cues, frequency of occurrence, dictionary definitions, and textual and audio annotations, was developed uniquely for the purposes of this experimental research. In order to measure and compare the vocabulary recall and retention of the two groups, a pretest-posttest research design was utilized. The results of the immediate posttest demonstrated that the students in the CAVL group significantly outperformed those of the non-CAVL group, confirming superior recall of the new words. Although the latter groups’ scores on the delayed posttest were also higher than the former groups’ scores, in comparison to the immediate posttest, a considerable decrease in the CAVL groups’ vocabulary retention was observed. Moreover, even though both groups perceived CAL as an effective method of learning, the perceptions of the participants in the CAVL group were more positive toward CALL.
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