For preliminary screening for and characterization of free-living nitrogen-fixing bacteria from rhizoplane microflora, we used Winogradsky's mineral mixture-based nitrogen-free medium solidified with 0.3% gellan gum. The soft gel medium enabled some reference and wild free-living nitrogen-fixing bacteria to grow in characteristic colonies, including their reaction to oxygen and their motility c...

INTRODUCTION Some long-term nicotine gum users are addicted to nicotine and may need assistance to stop. There is no published evidence on the use of nicotine patches for this purpose. CASE DESCRIPTION A 45-year old man presented with a 30-year history of high-dose nicotine gum use (up to 200mg nicotine per day). He was highly nicotine dependent and had failed repeatedly to stop using nicotin...

A number of recommendations for policy and program interventions to limit excess free sugar consumption have emerged, however there are a lack of data describing the amounts and types of sugar in foods. This study presents an assessment of sugar in Canadian prepackaged foods including: (a) the first systematic calculation of free sugar contents; (b) a comprehensive assessment of total sugar and...

Natural cork stopper manufacturing produces a significant amount of cork waste, which is granulated and combined with synthetic glues for use in a wide range of applications. There is a high demand for using biosourced polymers in these composite materials. In this study, xanthan gum (XG) and chitosan (CS) were investigated as possible natural binders for cork. Xanthan gum was oxidized at two d...

BACKGROUND Regarding preclinical evidence for antidiabetic effects of Boswellia serrata, we evaluated anti-hyperglycemic and lipid-lowering effects of Boswellia serrate gum resin in type 2 diabetic patients in a double-blind randomized placebo-control trial. METHODS Fifty-six diabetic patients were randomly allocated to two groups to receive 250 mg of the Boswellia serrate gum resin or placeb...

diabetes is a common metabolic disease in the world that has many adverse effects. olibanum gum resin (from trees of the genus boswellia) has traditionally been used in the treatment of various diseases such as diabetes. the aim of this study was the comparison of olibanum gum resin effect with placebo on the treatment of type 2 diabetes. inclusion criteria was diabetic patients with fasting bl...

Sweeteners are divided by their sources into natural and synthetic and by their nutritional values into nutritive and non-nutritive. Xylitol is a five carbon natural sweetener found in fibrous vegetables and fruit, which offers many health benefits to human. On oral health xylitol prevents dental caries, retards demineralization of tooth enamel, promotes remineralization of tooth enamel, increa...

BACKGROUND Xylitol is a naturally occurring sugar substitute that has been shown to reduce the level of mutans streptococci in plaque and saliva and to reduce tooth decay. It has been suggested that the degree of reduction is dependent on both the amount and the frequency of xylitol consumption. For xylitol to be successfully and cost-effectively used in public health prevention strategies dosi...

The synthesis and characterization of a novel fixative, guar gum-graftpoly(acrylamide-co-diallyldimethylammonium chloride) (GG-g-p(AM-coDADMAC)) polymer is described. The grafted polymer proved to be effective at adsorbing hydrophobic wood resin particles onto papermaking fibre surfaces, thus removing wood resins from the water phase where they have a tendency to aggregate and form troublesome ...

This paper reviews the recent advances in the synthesis of catabolically stable sugar mimetics, C-oligosaccharides. These compounds are synthetic analogs of the naturally occurring O-oligosaccharides, in which the interglycosidic oxygen has been replaced by a methylene group. This review is organized in terms of chemistry used to assemble C-oligosaccarides under the sub-headings: anionic approa...