This study reports on L-carnosine phytosomes as an alternative for the prodrug N-acetyl-L-carnosine as a novel delivery system to the lens. L-carnosine was loaded into lipid-based phytosomes and hyaluronic acid (HA)-dispersed phytosomes. L-carnosine-phospholipid complexes (PC) of different molar ratios, 1:1 and 1:2, were prepared by the solvent evaporation method. These complexes were character...

Abstract Carnosine (β-Alanyl-L-Histidine) is a naturally occurring endogenous dipeptide and over-the-counter dietary supplement with multimodal mechanism of action. The use carnosine its analogues in as diverse mode action application. Carnosine’s ready availability protective properties make it an interesting candidate for clinical use. We have now examined the registered studies. In cross-sec...

OBJECTIVE Chronic heart failure (CHF) is characterized by several micronutrient deficits. Amino acid supplementation may have a positive effect on nutritional and metabolic status in patients with CHF. Levo-carnosine (β-alanyl-L-histidine) is expressed at a high concentration in myocardium and muscle. Preliminary studies with L-carnosine in healthy individuals have suggested a potential role in...

Carnosine Declines with Age Carnosine (not to be confused with L-carnitine) is found in highest concentrations in long-lived tissues such as skeletal muscle, cardiac muscle and brain.1 Muscle carnosine levels in humans decline 63 percent from age 10 to 70 (Fig. 2).2 This marked reduction in muscle carnosine concentration may be a cause of the age-related decline in muscle mass, strength and fun...

l. Analytical procedures for anserine, carnosine and related histidine compounds in skeletal muscles are given. 2. The anserineicarnosine ratio in the skeletal muscles of the rat increases with age, cortisone injection and lowered food intake, and in the guinea pig muscle with strenuous exercise. 3. The total anserine plus carnosine in leg muscles of the cat remain constant during long periods ...

The present study deals with the application of high-performance-liquid-chromatography (HPLC) method for a quantitative detection of carnosine, anserine, L-histidine and 3-methyl-L-histidine in biological material with o-phthaldialdehyde (OPA) post column derivatisation at the constant temperature of 50 degrees C. For this purpose, some mobile-phases were prepared with scalar acetonitrile conce...

Polaprezinc, an insoluble zinc complex of L-carnosine, exhibits anti-ulcer effects by acting directly on mucosal lesions. The disposition of polaprezinc in the stomach was studied to clarify the usefulness of its structure as an insoluble complex. The time courses of 14C-radioactivity in the gastric contents and gastric tissues were parallel to those of 65Zn after oral administration of a mixtu...

Effects of CL-1700 (N-acetyl-L-carnosine aluminum) and its constituents, L-carnosine, N-acetyl-L-carnosine and Al(OH)3 on acute or chronic gastric lesions in intact rats and on gastric secretion in pylorus-ligated rats were studied. CL-1700 at 600 or 1,000 mg/kg p.o markedly inhibited Shay ulcers or indomethacin-induced erosions, but its constituents at the doses contained in CL-1700 did not. A...

Due to the lipophilic properties of the uppermost skin layer of the stratum corneum (SC), it is highly challenging to attain therapeutic concentrations of active substances; hydrophilic drugs, in particular, penetrate poorly. The purpose of this study was the improvement of the topical bioavailability of the hydrophilic dipeptides L-carnosine and its related compound N-acetyl-L-carnosine. Diffe...

About 25% of 1990-1991 Persian Gulf War veterans experience disabling fatigue, widespread pain, and cognitive dysfunction termed Gulf War illness (GWI) or Chronic Multisymptom Illness (CMI). A leading theory proposes that wartime exposures initiated prolonged production of reactive oxygen species (ROS) and central nervous system injury. The endogenous antioxidant L-carnosine (B-alanyl-L-histidi...