black/anti allergic

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Preventive effects of black tea theaflavins against mouse type IV allergy.

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BACKGROUND Tea (Camellia sinensis L.), one of the most popular beverages, contains various beneficial constituents. We investigated the preventive effects of black tea theaflavins, theaflavin-3-gallate (3-TF) and theaflavin-3,3'-digallate (TFDG), on oxazolone-induced type IV allergy in male ICR

Anti-allergic action of aged black garlic extract in RBL-2H3 cells and passive cutaneous anaphylaxis reaction in mice.

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Garlic (Allium sativum) has been used as a food as well as a component of traditional medicine. Aged black garlic (ABG) is known to have various bioactivities. However, the effect of ABG on allergic response is almost unknown. In the present study, we investigated whether ABG can inhibit

Protective effects of black rice bran against chemically-induced inflammation of mouse skin.

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We investigated the inhibitory effects of black rice (cv. LK1-3-6-12-1-1) bran against 12-O-tetradecanolylphorbol-13-acetate (TPA)-induced skin edema and 2,4-dinitrofluorobenzene (DNFB)-induced allergic contact dermatitis (ACD) in inflammatory mouse models. We also determined the effects of the bran

Inhibition of mast cell-dependent allergy reaction by extract of black cohosh (Cimicifuga racemosa).

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Black cohosh (Cimicifuga racemosa) has been used as therapeutics for pain and inflammation in Korean folk medicine. The potential effects of black cohosh extract (BCE) on mast cell-dependent allergy reaction, however, have not been well elucidated yet. In the present study, we investigated the

Physicochemical Properties, Biological Activity, Health Benefits, and General Limitations of Aged Black Garlic: A Review.

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Garlic (Allium sativum) has been used as a medicinal food since ancient times. However, some people are reluctant to ingest raw garlic due to its unpleasant odor and taste. Therefore, many types of garlic preparations have been developed to reduce these attributes without losing biological

Metabolism of cyanidin-3-O-beta-D-glucoside isolated from black colored rice and its antiscratching behavioral effect in mice.

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Black-colored rice (BCR), the main constituent of which is cyanidin-3-O-beta-D-glucoside (C3G), exhibits an anti-allergic effect, and orally administered C3G is mainly metabolized to protocatechuic acid in rats. Therefore, to understand the relationship between the metabolism of C3G and its

Inhibitory effect of Japanese black vinegar on IgE-mediated degranulation of RBL-2H3 cells and a murine model of Japanese cedar pollinosis.

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Japanese black vinegar (JBV) is a traditional vinegar manufactured with steamed unpolished rice. After screening, beneficial effects of JBV on IgE-mediated allergic responses were found. In this study, acetic acid-free JBV was used to evaluate its antiallergic effects. JBV suppressed degranulation

Novel antiallergic catechin derivatives isolated from oolong tea.

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Two catechin derivatives (C-1 and C-2) with potent antiallergic activity were isolated from Taiwanese oolong tea by HPLC techniques. From NMR and FAB-MS analyses, the structures of C-1 and C-2 were elucidated as (-)-epigallocatechin 3-O-(3-O-methyl)gallate and (-)-epigallocatechin

Antiallergic activities of pigmented rice bran extracts in cell assays.

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Using a panel of chemical, biochemical, and cell assays, we determined inhibitory effects of extracts of the pigmented black rice brans on in vitro allergic reactions. Ethanol-water (70% v/v) extracts from 5 pigmented brans were found to be more effective than an extract from a nonpigmented rice

Piperine: A review of its biological effects

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Medicinal plants have been used for years as a source of food, spices, and, in traditional medicine, as a remedy to numerous diseases. Piper nigrum, belonging to the family Piperaceae is one of the most widely used spices all over the world. It has a distinct sharp flavor attributed to the presence

Clinical and experimental effects of Nigella sativa and its constituents on respiratory and allergic disorders.

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Objective

Black cumin or Nigella sativa (N. sativa) seed has been widely used traditionally as a medicinal natural product because of its therapeutic effects. In this review, the medicinal properties of N. sativa as a healing remedy for the treatment of

Tea polyphenols inhibit acetyl-CoA:1-alkyl-sn-glycero-3-phosphocholine acetyltransferase (a key enzyme in platelet-activating factor biosynthesis) and platelet-activating factor-induced platelet aggregation.

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BACKGROUND Tea extracts have antiallergic and anti-inflammatory actions in rats and mice. However the mechanism through which tea polyphenols act in vivo are still incompletely understood. We found inhibitory effects of black tea extracts on an fMLP-induced aggregating response in a rabbit

Biotransformation and toxicity of the lipoxygenase inhibitor 2-hydroxy-5-methyllaurophenone oxime (FLM 5011) on Hep G2 cells.

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2-Hydroxy-5-methyllaurophenone oxime (FLM 5011) is an inhibitor of lipoxygenase with antiinflammatory and antiallergic actions. We incubated FLM 5011 on the human immortal cell line Hep G2 and found a similar metabolite spectrum as in rat urine and faeces. We also measured the cytotoxicity of FLM

[Research advances of Tasmayi].

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Tasmayi (mumie, shilajit) is a pale brown to black substance which leaks from the layers of rocks in many mountain ranges during the warm summer months. In traditional Kazakh medicine, it is used for the treatment of bone fracture and many inflammatory ailments. It is also used as a remedy in the

[Effect of tea extracts, catechin and caffeine against type-I allergic reaction].

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The antiallergic effects of green tea, oolong tea, and black tea extracts by hot water were examined. These extracts inhibited the passive cutaneous anaphylaxis (PCA) reaction of rat after oral administration. Three tea catechins, (--)-epigallocatechin (EGC), (--)-epicatechin gallate (ECg), and

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