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At least 415 records · Page 23Linked to original sources
PubMed2006

Skin diseases in workers at a perfume factory.

The aim of this study is to find out the causes of skin diseases in one-third of the staff of a perfume factory, in which 10 different perfume sprays were being manufactured. Site inspection, dermatological examination and patch testing of all 26 persons at risk with 4 perfume oils and 30 ingredients of them. The results showed 6 bottlers were found suffering from allergic contact dermatitis, 2 from irritant contact dermatitis, 12 workers showed different strong reactions to various fragrances. The main causes of allergic contact dermatitis were 2 perfume oils (12 cases) and their ingredients geraniol (12 cases), benzaldehyde(9), cinnamic aldehyde (6), linalool, neroli oil, terpenes of lemon oil and orange oil (4 each). Nobody was tested positive to balsam of Peru. Job changes for office workers, packers or printers to other rooms, where they had no longer contact with fragrances, led to a settling. To conclude, automation and replacement of glass bottles by cartridges from non-fragile materials and using gloves may minimize the risk.

Beauty Culture↗
PubMed1991

Facial contact dermatitis. Pathogenetic factors in China.

In 107 cases of facial contact dermatitis, routine Finn chamber epicutaneous tests with TROLAB European Standard Allergens (ESAs) were performed. Sixty-one (57%) had positive reaction. The most frequent contact allergens were paraphenylenediamine dihydrochloride (16%), followed by fragrance mix (15%), and nickel sulfate (13%). The major sensitized contactants were rims of spectacles, hair dyes, cosmetic creams, and topical medications. Among the cases caused by cosmetic cream, the positive allergens were fragrance mix, formaldehyde, wood alcohols, and balsam of Peru. In ten season-incidence cases in which ESAs and cosmetic cream epicutaneous tests were negative, the chamber and scratch-chamber tests were performed using five kinds of pollen. The results show that all chamber tests were negative, but two cases with scratch-chamber tests were positive.

Adolescent↗
PubMed1995

Benzyl alcohol allergy.

A 63 year old woman presented with a 3 year history of vulval lichen sclerosus et atrophicus and vulval dermatitis resistant to multiple topical therapies. She was patch test positive to 5% benzyl alcohol which is a widely used preservative in topical creams and a component in balsam of Peru.

Anti-Infective Agents, Local↗
PubMed2006

Try it, you'll like it: the influence of expectation, consumption, and revelation on preferences for beer.

Patrons of a pub evaluated regular beer and "MIT brew" (regular beer plus a few drops of balsamic vinegar) in one of three conditions. One group tasted the samples blind (the secret ingredient was never disclosed). A second group was informed of the contents before tasting. A third group learned of the secret ingredient immediately after tasting, but prior to indicating their preference. Not surprisingly, preference for the MIT brew was higher in the blind condition than in either of the two disclosure conditions. However, the timing of the information mattered substantially. Disclosure of the secret ingredient significantly reduced preference only when the disclosure preceded tasting, suggesting that disclosure affected preferences by influencing the experience itself, rather than by acting as an independent negative input or by modifying retrospective interpretation of the experience.

Acetic Acid↗
PubMed2006

Diversity of the small subunit ribosomal RNA gene of the arbuscular mycorrhizal fungi colonizing Clintonia borealis from a mixed-wood boreal forest.

Arbuscular mycorrhizal fungi (AMF) communities in Clintonia borealis roots from a boreal mixed forests in northwestern Québec were investigated. Roots were sampled from 100 m2 plots whose overstory was dominated by either trembling aspen (Populus tremuloides Michx.), white birch (Betula papyrifera Marsh.), or mixed white spruce (Picea glauca (Moench) Voss) and balsam fir (Abies balsamea (L.) Mill.). Part of the 18S ribosomal gene of the AMF was amplified and the resulting PCR products were cloned. Restriction analysis of the 576 resulting clones yielded 92 different restriction patterns which were then sequenced. Fifty-two sequences closely matched other Glomus sequences from Genbank. Phylogenetic analysis revealed 10 different AMF sequence types, most of which clustered with other uncultured AM sequences from plant roots from various field sites. Compared with other AMF communities from comparable studies, richness and diversity were higher than observed in an arable field, but lower than seen in a tropical forest and a temperate wetland. The AMF communities from Clintonia roots under the different canopy types did not differ significantly and the dominant sequence type, which clustered with AM sequences from a variety of environments and hosts at distant geographical locations, represented 66.9% of all the clones analyzed.

Biodiversity↗
PubMed1975

Cinnamic aldehyde in toothpaste. 1. Clinical aspects and patch tests.

Although cinnamon is known to cause dermatitis in bakers and confectioners, it has only rarely been reported as causing trouble in food or cosmetics. A newly-formulated 'spicy' toothpaste containing cinnamon as a flavouring agent was the cause of oral symptoms in eight patients referred to clinics in Buckinghamshire and in Malmö and in a further eight patients discovered subsequently. Similar symptoms and patch test results were observed independently at both centres. Positive reactions were obtained with 1% cinnamic aldehyde in 15 out of 16 patients tested. Only one patient reacted to a standard sample of balsam of Peru (25% in petrolatum).

Acrolein↗
PubMed1975

Contact sensitivity in atopic dermatitis.

With the exception of certain drugs, some contactants give positive patch test reactions less frequently in patients with atopic dermatitis than in all patients with dermatitis. Both among atopics and other dermatitis patients, women reacted positively to most drugs more frequently than men did. In Poland, positive patch tests to balsams are rare in atopics.

Dermatitis, Atopic↗
PubMed1976

Cinnamon dermatitis from an ointment.

Six patients are reported who had an allergic contact dermatitis from the use of a proprietary antiseptic ointment containing oil of cinnamon. Three were positive and three negative to balsam of Peru; two of these and one other also reacted to cinnamic aldehyde. The history and usage of cinnamon is briefly reviewed.

Adult↗
PubMed1976

Compositae sensitivity among patients with contact dermatitis: value of compositae oleoresins in a standard test series.

Patch tests with 24 Compositae species were performed on 81 patients suspected of having a plant dermatitis, of whom 16 had positive reactions to various species. When Compositae were included in the standard series, 10 of 488 consecutive patients (2%) were found to be sensitive to one or more species. Most of the positive test reactions were relevant. Fourteen of 16 sensitivities could have been detected by testing with two mixtures of Compositae. Alantolactone could not serve as a screening agent, since four of seven Compositae-sensitive patients had negative reactions to it. Concomitant reactions to balsams were found in four of 10 patients with unexpected sensitivy to Compositae. The clinical pattern of Compositae dermatitis may be that of a lichenified photo dermatitis. These cases are invariably missed, unless patch tests with Compositae are performed. Another group of patients have hadn eczema and also require patch tests with Compositae for etiological diagnosis. Because positive, relevant reactions are common, inclusion of a safe and reliable Compositae screening test in the standard series is urgently required. At the present stage, however, our test materials are sometimes irritant and they have occassionally caused active sensitization.

Dermatitis, Contact↗
PubMed1977

Turpentine-induced hypersensitivity to peppermint oil.

After a dental operation a former laboratory technician was referred to our clinic because of swelling of his tongue, lips, and gingival mucosa. Patch testing with the ICDRG standard test battery gave positive reactions to colophony, balsam of Peru, and turpentine peroxides. Further patch testing revealed hypersensitivity to peppermint oil (an ingredient of several dental preparations) due to the sensitizing properties of three ingredients: alpha-pinene, limonene, and phellandrene. These compounds also occur in turpentine oil, a substance used in the patient's laboratory.

Aged↗
PubMed1979

Skin sensitivity to denture base materials in the burning mouth syndrome.

The significance of sensitizing compounds in the denture base for the etiology of the burning mouth syndrome (BMS) has been studied in 53 denture-wearing persons, seven males and 46 females. Epicutaneous patch tests were performed with standard concentrations of benzoyl peroxide, dibutylphthalate, dimethyl-p-toluidine, formaldehyde, hydroquinone, methylmethacrylate, p-phenylendiamine and with cadmium sulfate, potassium dichromate, cobalt chloride and nickel sulfate. Furthermore, patch testing was performed with filings from the denture mixed with the patient's own saliva. In cases with an inflamed oral mucosa, the presence of hyphae of Candida albicans was assessed by a smear technique. Positive skin reactions were observed in 15 persons to dimethyl-p-toluidine, hydroquinone, formaldehyde, methylmethacrylate, p-phenylendiamine, potassium dichromate, cobalt chloride and nickel sulfate, including three cases with reactions to filings from their dentures, and one patient who after subsequent testing showed skin sensitivity to balsam of Peru. In 12 cases an etiological connection could be traced between the oral symptoms and the denture base, indicating that contact sensitivity to base materials or to allergens and microbial antigens on the denture plate plays a greater role in the pathogenesis of BMS in edentulous persons than previously suggested.

Adult↗
PubMed1979

Allergy to various components of topical preparations in stasis dermatitis and leg ulcer.

Patients suffering from stasis dermatitis and leg ulcers (192) were found to give an allergic reaction in epicutaneous tests to one or more components of topical preparations in 69.2% of cases. The most common reactions were obtained with neomycin 34.0% and its component framycetin 31.2%, wool alcohols 22.9%, balsam of Peru 21.4%, chlorquinaldon 16.7%, bacitracin 13.1%, chinoform 10.9%, dequalin 9.9%, formaldehyde 4.2% and parabens 3.6%. The incidence of allergic reactions reflects local use of preparations containing various allergens as well as their capacity to produce alllergy. Allergy may in some cases interfere with effective topical therapy. Debrisan dextran polymer beads were found to be suitable for treatment of ulcers of multiallergic patients without risk of contact allergy.

Administration, Topical↗
PubMed1979

Oil of turpentine--a disappearing allergen.

Oil of turpentine has become an infrequent allergen because of its replacement by the petroleum product white spirit, its deliberate exclusion from industrial products, and because the balsam oils used nowadays do not contain the sensitiser delta 3-carene. On the basis of the generally low incidence of sensitisation being currently recorded, the International Contact Dermatitis Group recommend that oil of turpentine be removed from standard patch test series.

Dermatitis, Contact↗
PubMed1980

Photosensitivity and allergy to aromatic lichen acids, Compositae oleoresins and other plant substances.

Sixteen patients with verified light sensitivity to both UVB and UVA wavebands showed allergic reactions to various lichen plants (Parmelia spp., Hypogymnia spp., Pseudovernia spp., Cladonia spp., Platismatia spp., Physcia spp., Umbilicaria spp. and Cetraria spp.). Among the aromatic lichen compounds, atranorin was observed to be the most frequently involved allergen, but also several other isolated lichen acids were immunologically active: d-usnic, evernic, stictic, fumarprotocetraric, lobaric, salazinic, diffractaic and physodic/physodalic acid. Several patients showed allergy to other plant substances from other sources such as seven different species from the Compositae family, alantolactone, balsam of Peru, colophony and wood tars. Sensitivity to known photosensitizers was observed in four patients. Aromatic lichen acids are UV-absorbing substances and several are evidently able to photosensitize human skin.

Cross Reactions↗
PubMed1980

Photosensitivity and allergy to aromatic lichen acids, Compositae oleoresins and other plant substances.

Sixteen patients with verified light sensitivity to both UVB and UVA wavebands showed allergic reactions to various lichen plants (Parmelia spp., Hypogymnia spp., Pseuodovernia spp., Cladonia spp., Platismatia spp., Physcia spp., Umbilicaria spp. and Cetraria spp.). Among the aromatic lichen compounds, atranorin was observed to be the most frequently involved allergen but also several other isolated lichen acids were immunologically active: d-usnic, evernic, stictic, fumarprotocetraric, lobaric, salazinic, diffractaic and physodic/physodalic acid. Several patients showed allergy to other plant substances from other sources such as seven different species from the Compositae family, alantolactone, balsam of Peru, colophony and wood tars. Sensitivity to known photosensitizers was observed in four patients. Aromatic lichen acids are UV-absorbing substances and several are evidently able to photosensitive human skin.

Acids↗
PubMed1980

Standard patch test results in 3,225 consecutive Danish patient from 1973 to 1977.

From 1973 to 1977 a total of 3,225 patients were patch tested at the Department of Dermatology, Odense University Hospital, Denmark; 1,038 patients reacted to one or more allergens. The data on frequency of the most common allergens are presented. The most common allergens observed were nickel, dichromate, balsam of Peru, wood tar, carba mix and wool alcohols.

Adolescent↗
PubMed1980

Shoe contact dermatitis.

The incidence of contact allergy was studied in a series of 165 patients with eczematous dermatitis of the feet correlated clinically with shoe contact. Positive reactions to one or more substances were recorded in 108 patients (65.4%). Among the relevant sensitizers were chromium, paraphenylenediamine, paratertiary butylphenolformaldehyde resin and nickel, while the other allergens were benzocaine, neomycin, balsam of Peru, ethylenediamine and parabens. Allergic contact dermatitis of the feet can be prevented by recognition of the allergens responsible, control of hyperhidrosis and avoidance of topical allergens.

Dermatitis, Atopic↗
PubMed1981

Sensitization to olive oil (olea europeae).

Sensitization to olive oil is seldom reported in the literature. By use of epicutaneous tests a delayed type of hypersensitivity to pure freshly-prepared olive oil could be demonstrated in two patients. Patch tests with certain major constituents of olive oil; the methyl ester of linoleic acid, the glyceryl ester of palmitic acid, the glyceryl ester of stearic acid, glyceryl trioleate and glycerids of arachidic acid, appeared to be negative. In one patient a weak reaction to balsam of Peru was found. It is concluded that sensitization to olive oil must be taken into consideration, especially when it is used as a vehicle in patch testing.

Aged↗