| Summary: | 碩士 === 國立臺灣海洋大學 === 食品科學系 === 96 === Psoriasis is considered as a T-cell-mediated inflammatory skin disease which is characterized by hyperproliferation and poor differentiation of epidermal keratinocytes. While susceptibility to psoriasis is inherited, the disease is influenced by environmental factors such as infections and stress. Fasting periods, low-energy diets and vegetarian diets improved psoriasis symptoms in some studies, Intake of ω-3 polyunsaturated fatty acids from fish oil also showed beneficial effects. caused by suppression of inflammatory processes. Some patients with psoriasis show an elevated sensitivity to gluten, and the symptoms have been shown to improve on a gluten-free diet.
Atopic dermatitis (AD) is a chronic inflammatory skin disorder. Approximately 40 % of small children with AD have food allergy. Cows milk allergy affects about 2% of infants under 2 years of age, a hydrolysed formula is recommended for the infants at high risk of food allergy and atopy disease, Recent studies found that probiotics may reduce the incidence of atopic dermatitis, Atopic dermatitis is associated with △-6 desaturase defect in lipid metabolism. And intake of polyunsaturated fatty acids has beneficial effects.
The objective of this review article is to assess dietary factors which play a role in the aetiology and pathogenesis of psoriasis and atopic dermatitis。
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