Volume 4, Issue 4 (December 2017)
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Original article
P. 93-98
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Highlights
- The most antibacterial effectiveness was found for Mentha longifolia extract.
- Gram-negative bacteria were more resistant to the presence of methanolic plant extracts than Gram-positive bacteria.
- The highest antioxidant activity was found in M. longifolia extract.
- Falcaria vulgaris, Allium rotundum, Tragopogon graminifolius, and M. longifolia can be used for food preservation.
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- All human and cow milk samples from Kashan were contaminated with Aflatoxin M1 (AFM1).
- AFM1 concentration of human breast milk samples was less than standard limit of 25 ng/L.
- In 20.83% raw milk samples, the level of AFM1 was greater than standard limit.
- Protective diet oriented approaches must be considered by the local authorities.
- The people must be educated by the government on public health risk of AFs.
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- HPLC analysis identified various phenolic compounds in Iranian pomegranate peel extract showing considerable antioxidant activities.
- The highest extraction yield was obtained from the ethanol comparing to the other solvents.
- Drying method showed no relationship with yield of extraction and antioxidant activity of pomegranate peel.
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- Three out of 100 (3%) hamburger samples were biochemically diagnosed as Listeria contamination.
- Two isolates were confirmed by molecular identification assay to be L. monocytogenes.
- Risk assessment surveys are required for L. monocytogenes in other food products in the country.
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- Unacceptable hydroxymethylfurfural levels were found in 5% natural and 70% commercial honey samples.
- The average phenolic content was lower for commercial honeys than for natural honeys.
- There was a significant difference between chemical quality characteristics of honeys between two geographical regions.
- Chemical quality characteristics of Iranian natural honeys were more acceptable than commercial ones.
Letter to the editor
P. 119-119
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Antibacterial and Antioxidant Properties of Methanolic Extracts of Some Native Edible Plants Collected from Kermanshah, Western Iran
