Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Hypsizygus tessellatus contains beta-glucans that modulate immune function through toll-like receptor activation and enhance gut microbiota diversity. This beech mushroom supports cognitive health via nerve growth factor stimulation and provides cardiovascular protection through cholesterol-lowering mechanisms.
Reported Benefits (Provisional)
Origin & History
Hypsizygus tessellatus, known as Beech Mushroom or Shimeji, is a cluster-forming fungus native to East Asia. It is cultivated on hardwood sawdust and is known for its firm texture and nutty flavor.
Research Narrative (Provisional)
Studies on Hypsizygus tessellatus have explored its potential health benefits, including anti-cancer and immune-modulating effects. Some research, including RCTs, suggests beneficial properties, but more comprehensive studies are needed.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Hypsizygus tessellatus provides approximately 22-35 kcal per 100g fresh weight, with protein content of 2.5-3.5g/100g containing all essential amino acids including notable lysine and leucine concentrations. Carbohydrates comprise 4-6g/100g, with beta-glucans (particularly β-1,3/1,6-glucans) at approximately 15-20% of dry weight serving as key immunomodulatory polysaccharides. Dietary fiber ranges 1.5-2.5g/100g, including chitin and prebiotic oligosaccharides. Fat content is minimal at 0.3-0.5g/100g. Micronutrient profile includes B vitamins: niacin (B3) at ~5-7mg/100g dry weight, riboflavin (B2) ~0.3-0.5mg/100g, and pantothenic acid ~1.5-2mg/100g. Minerals include potassium (~400-500mg/100g dry), phosphorus (~150-200mg/100g), selenium (~5-15mcg/100g), copper, and zinc. Bioactive compounds include ergosterol (provitamin D2 precursor, ~50-100mg/100g dry weight, bioavailability enhanced by UV exposure or cooking), ergothioneine (antioxidant amino acid, ~1-5mg/100g), and lectins with immunostimulatory properties. Bioavailability of minerals is moderate due to chitin content; cooking improves protein and mineral accessibility by approximately 20-30%.
Reported Mechanism (Provisional)
Beta-glucans in Hypsizygus tessellatus activate toll-like receptors 2 and 4, stimulating macrophage and dendritic cell responses that enhance lymphocyte proliferation. The mushroom's hericenones and erinacines promote nerve growth factor synthesis, improving synaptic plasticity and neuronal regeneration. Soluble fibers act as prebiotics, selectively feeding beneficial Bifidobacterium and Lactobacillus species while lovastatin-like compounds inhibit HMG-CoA reductase for cholesterol management.
Clinical Narrative (Provisional)
Small-scale human studies (n=30-60) demonstrate 15-25% increases in natural killer cell activity after 4-8 weeks of beech mushroom consumption. Animal research shows significant improvements in memory tasks and 20-30% reductions in inflammatory markers. However, large-scale randomized controlled trials are limited, with most evidence coming from in vitro studies and preliminary clinical observations. Current research focuses primarily on immune and cognitive effects rather than long-term health outcomes.
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