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Register a new userEvaluation of the effect of Nisin on the efficiency of Benzoic acid and sodium Nitrite as preservatives for foods
تقييم تأثير النيسين على فعالية حمض البنزوئيك ونتريت الصوديوم كمواد حافظة للأغذية
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Added by
Damascus University رسالة ماجستير
Publication date
2015
fields
Pharmacy
and research's language is
العربية
Created by
Shamra Editor
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يعد ببتيد النيسين أحد المواد الحافظة الطبيعية للأغذية غير سام ويتم إنتاجه طبيعياً بواسطة جرائيم حمض اللبن أثناء حدوث التخمر الغذائي . يملك فعالية عالية ضد الجراثيم إيجابيات الغرام والبذيرات في حين أن فعاليته أقل تجاه سلبيات الغرام والفطور ويستخدم حالياً في العديد من دول العالم كمادة حافظة لمنتجات الأجبان والمعلبات وغيرها
Nisin peptide is one of the natural food preservative, is not toxic and produced by Lactococcus lactic during food fermentation. It has a high potency against gram-positive bacteria and spores, while its efficiency of Nisin against gram-negative bacteria and fungi is low , currently Nisin is used as food preservative in many countries around the world for cheese products and others.
References used
Pandery R M and Upadhyay S k; Food Additive, i " Food Additive " . Ed El-Samragy Y, Pup. In Tech 2012
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Benzoic acid is extensively used in the preservation of food products for maintaining
quality and extending shelf life by inhibiting mould and bacteria growth.
Some previous studies have demonstrated that consumption of excessive amounts of
benzoi
c acid could be a health hazard.
The aim of this study was to detect the presence of benzoic acid and its salts in
some commercial children food like potatochips that labeled "Free of Preservatives" .
Twenty seven samples of potatochips purchased from three different local products
were analyzed for the presence of benzoic acid.
The results revealed the presence of benzoic acid in nine samples and its
concentration was between 100.34-188.65mg/kg.
We have concluded also that TLC is a very convenient method for the
detection of benzoic acid in food products .
The hydrodynamic activation of NaOCL plays an important role in increasing
its disinfectant efficacy.
The aim of this study was to evaluate the efficacy of a 5.25% sodium hypochlorite Activated by
EndoActivator device in reducing the bacterial load in the infected root canal.
This study evaluated the in vitro
antileishmanial activity of some Phenolic compounds including:
Ferulic acid, Mehtyl Ferulate, Ethyl Ferulate, and Sinapic acid
against leishmanial tropica promastigotes. The parasite viability
was determined using XTT proliferation Kit.
When the caries become near the pulp in primary molars, the treatment will
be the pulpotomy to remove the involved coronal portion of the pulp, preserving the vitality and function
of the remaining radicular portion. Formocresol, Glutar-aldehyde, F
erric sulphate, AMT, Laser
application and Electro surgery may used in primary teeth pulpotomy.
Interdental Papilla deficiency may occur due to many factors such as
traumatic oral hygiene procedure, plaque associated lesions and
diverging roots following orthodontic treatment. Many of invasive and
non-invasive techniques have been suggested
to reconstruct the
deficient interdental papilla. Treatment using hyaluronic acid gel
injection is the most recent non-invasive technique which
characterized by its easily application as well as avoidance exposing
the patient to surgical procedures. The purpose of this study was to
evaluate the efficiency of repeated cross-linked hyaluronic acid gel
injection in management of deficient interdental papilla at the esthetic
zone after six months of treatment.
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