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Óleo de perilla
2 cápsulas por dia ou de acordo com indicação médica
Caixa com 30 e 90 cápsulas. Suplemento alimentar de venda exclusiva em farmácias.
Medicina (Kaunas) 2008; 44(9) Summary. Objective. The present study was intended to evaluate the antioxidant properties of aqueous extract of the Perilla frutescens (L.) Britton. Material and methods. The antioxidant properties of Perilla frutescens were analyzed employing neutrophil leukocytes stimulated by the nonopsonized Escherichia coli. The neutrophil leukocytes were affected by adding an aqueous extract of Perilla. The generation of the reactive oxygen species by neutrophil leukocytes was investigated using assessment of luminol- and lucigenin-dependent chemiluminescence. Results. We found out that the treatment of neutrophil leukocytes with the Perilla aqueous extract inhibited the release of reactive oxygen species, measured as luminol- and lucigenindependent chemiluminescence, by about 30% and more than 90%, respectively. Conclusion. The results of this study show that the aqueous extract of the Perilla frutescens inhibits significantly free radical production by neutrophil leukocytes, which was especially obvious when the lucigenin-dependent chemiluminescence assessment method was applied.
Exp Biol Med (Maywood). 2011 Jan;236(1):99-106. Abstract Allergy is characterized by an overreaction of the immune system. Perilla frutescens leaf extract has been reported to exhibit antiallergic inflammatory activity. To investigate precisely the effect and mechanism of 30% ethanol extract powder of P. frutescens var. acuta Kudo EPPF) and rosmarinic acid (RA), a component of EPPF in allergic rhinitis and rhinoconjunctivitis, the antiallergic effects of EPPF and RA were analyzed using in vivo and in vitro models. Cytokine production was analyzed by means of an enzyme-linked immunosorbent assay. Cytokine expression was analyzed via reverse transcription-polymerase chain reaction and Western blotting. Transcription factor and caspase-1 activity were analyzed by a luciferase assay and caspase-1 assay, respectively. The number of nasal, ear and eye rubs after an valbumin (OVA) challenge in OVA-sensitized mice was significantly higher than that in OVA-unsensitized mice. Increased number of rubs was inhibited by administration of EPPF or RA. Increased levels of IgE in the serum, spleen and nasal mucosa of OVA-sensitized mice were reduced by EPPF or RA administration. The histamine level was also reduced by EPPF or RA administration in the serum of OVA-sensitized mice. Protein levels and mRNA expressions of interleukin (IL)-1β, IL-6 and tumor necrosis factor-α were inhibited by EPPF or RA administration in the nasal mucosa tissue or spleen of OVA-sensitized mice. In EPPF or RA-administered mice, the mast cell and eosinophil infiltration increase as caused by OVA-sensitization was decreased. In addition, EPPF or RA inhibited both cyclooxygenase-2 rotein expression and caspase-1 activity in the same nasal mucosa tissue. In activated human mast cells, nuclear factor-kappa B (NF-κB)/Rel A and caspase-1 activation increased, whereas NF-κB/Rel A and caspase-1 activation was inhibited after a treatment of EPPF or A. These results indicate that EPPF and RA ameliorate allergic inflammatory reactions such as allergic rhinitis and allergic rhinoconjunctivitis.
Pharmacol Res;61(3):234-41, 2010 Mar. Resumo: Perilla frutescens seed oil (PFSO) represents a rich source of unsaturated fatty acids, especially of omega-3 linolenic acid and is commonly used as herbal food supplement with beneficial effects on the vascular system. The present study investigated the effects of PFSO on the central nervous system (CNS) and provides new insight into potential mechanisms for protective properties of unsaturated fatty acids within the CNS. PFSO was administered chronically to guinea pigs and neuroprotective properties were assessed ex vivo in dissociated brain cells. Dissociated brain cells isolated from PFSO treated guinea pigs were less vulnerable against nitrosative stress as indicated by decreased levels of reactive oxygen species, by stabilized mitochondrial membrane potential and enhanced levels of adenosine-triphosphate. In the brain, levels of oleic, linoleic, arachidonic and docosahexaenoic acids were significantly enhanced. However, fatty acid composition and membrane dynamics of isolated synaptosomal plasma membranes were not affected. Our findings provide new insights into the potential mechanisms for the neuroprotective actions of unsaturated fatty acids and identified PFSO as promising nutraceutical and possible alternative to fish oil supplements to provide healthful activities in the brain.
Department of Respiratory Medicine, Allergy and Rheumatic Diseases, Osaka University Medical School and Nissay Hospital, Osaka, Japan. The prevalence of allergic diseases has increased all over the world during the last two decades. Dietary change is considered to be one of the environmental factors that cause this increase and worsen allergic symptoms. If this is the case, an appropriate intake of foods or beverages with anti-allergic activities is expected to prevent the onset of allergic diseases and ameliorate allergic symptoms. Flavonoids, ubiquitously present in vegetables, fruits or teas possess anti-allergic activities. Flavonoids inhibit histamine release, synthesis of IL-4 and IL-13 and CD40 ligand expression by basophils. Analyses of structure-activity relationships of 45 flavones, flavonols and their related compounds showed that luteolin, ayanin, apigenin and fisetin were the strongest nhibitors of IL-4 production with an IC50 value of 2―5 μM and determined a fundamental structure for the inhibitory activity. The inhibitory activity of flavonoids on IL-4 and CD40 ligand expression was possibly mediated through their inhibitory action on activation of nuclear actors of activated T cells and AP-1. Administration of flavonoids into atopic dermatitis-prone mice showed a preventative and ameliorative effect. Recent epidemiological studies reported that a low incidence of asthma was significantly observed in a population with a high intake of flavonoids. Thus, this evidence will be helpful for the development of low molecular compounds for allergic diseases and it is expected that a dietary menu including an appropriate intake of flavonoids may provide a form of complementary and alternative medicine and preventative strategy for allergic diseases. Clinical studies to verify these points are now in progress.