Bis-acridine orange peptides carrying two acridine oranges at the epsilon-amino moieties of both terminal lysines of a tetra(lysine) chain showed a ca. 200-fold fluorescence enhancement upon addition of double stranded DNA.

A growing body of behavioral and genetic information indicates that taste perception and food sources are highly coordinated across many animal species. For example, sweet taste perception is thought to serve to detect and motivate consumption of simple sugars in plants that provide calories. Supporting this is the observation that most plant-eating mammals examined exhibit functional sweet per...

Mapping of the chromosomal location of genes essential for sweet and bitter taste and identification of the relevant G protein-coupled receptors reveals unanticipated complexity in taste signaling pathways. The distribution of sweet and bitter receptors suggests complete cellular segregation of these taste modalities. Sweet compounds may be distinguished through differential expression of sweet...

Pregnancy is associated with increased sweet food cravings, but the relationship between sweet cravings and dietary intake remains uncertain. Gestational diabetes mellitus (GDM) is glucose intolerance first recognized during pregnancy. GDM may further perpetuate sweet food cravings and intake in pregnancy, although this has not been investigated. This study longitudinally assessed sweet food cr...

The sweet taste receptors present in the taste buds are heterodimers comprised of T1R2 and T1R3. This receptor is also expressed in pancreatic β-cells. When the expression of receptor subunits is determined in β-cells by quantitative reverse transcription polymerase chain reaction, the mRNA expression level of T1R2 is extremely low compared to that of T1R3. In fact, the expression of T1R2 is un...

The study was carried out in order to find out the effect of substitution of wheat flour with sweet potato flour of two local varieties (Local Sada and Local Lal) on the quality of bread. This study was also concerned with the analysis of proximate compositions of sweet potato and results showed that, fresh local sada and local lal sweet potato varieties contained moisture 70.10 and 66.78%; ash...

OBJECTIVES The aim of the study was to evaluate the influence of sweet taste perception on dietary habits in Saudi schoolchildren. In addition, the relationship between dietary habits and both caries and BMI was studied. METHODS A cross-sectional observational study comprising 225 schoolchildren aged 13-15 years from Jeddah, Saudi Arabia, was conducted. The consumption frequency of certain fo...

The preference of sweet taste in rats is a phenomenon that is influenced by many factors. Drugs, sex, and age are three important aspects to consider when determining the underlying mechanisms that influence increased intake in the presence of sweet taste. Research has shown that drugs acting on receptors and neurotransmitters of brain mechanisms relevant to hedonic and reinforcement effects ca...

abstract antioxidant capacity and quality of fruits usually changed during storage. in the current study, the changes of antioxidant capacity and postharvest quality of two blood (pigmented) orange cultivars (‘tarocco’ and ‘morro’) and ‘thompson navel’ orange, after 60 days storage at 7ºc and 90 rh% was investigated. during fruit storage weight loss, tss, ta, tss/ta, vitamin c, total phenol, an...