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
Dog rose hip (Rosa canina) fruit contains the bioactive galactolipid GOPO, which suppresses COX-2 and inducible nitric oxide synthase (iNOS) in activated macrophages, reducing key inflammatory mediators implicated in osteoarthritis and joint degradation. The fruit delivers exceptionally high vitamin C (up to 2,500 mg/100 g dry weight), alongside polyphenols, carotenoids, and polyunsaturated fatty acids—compounds whose anti-inflammatory efficacy in osteoarthritic subjects has been demonstrated in dose-titration studies showing significant reductions in lameness and pain scores (Fritsch et al., 2010; PMID: 20707845).
Reported Benefits (Provisional)
Origin & History
Dog Rose Hip (Rosa canina) is the fruit of the Dog Rose plant, native to Europe, Northwest Africa, and Western Asia. It is highly prized for its exceptional vitamin C content and potent antioxidant profile, making it a cornerstone for immune and skin health.
Research Narrative (Provisional)
Fritsch et al. (2010) conducted a dose-titration study of polyunsaturated fatty acid supplementation in osteoarthritic dogs and demonstrated significant dose-dependent reductions in lameness, weight-bearing pain, and overall arthritis severity (J Vet Intern Med; PMID: 20707845). Osojnik Črnivec et al. (2014) analyzed spent Rosa canina L. rose hips and confirmed that substantial bioactive compounds—including polyphenols, organic acids, and residual lipids—are retained even after industrial extraction, validating rose hip's nutraceutical potential for supplement formulations (Bioresour Technol; PMID: 25218210). Oberbauer et al. (2018) investigated maternal omega-3 polyunsaturated fatty acid supplementation and its effects on offspring hip joint conformation, finding measurable improvements in joint morphology that underscore the role of fatty acid profiles—similar to those found in rose hip seed oil—in musculoskeletal development (PLoS One; PMID: 30092106).
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Vitamin C, B Vitamins - Calcium, Magnesium, Potassium - Dietary Fiber, Pectin - Flavonoids (Quercetin, Kaempferol), Carotenoids (Beta-carotene, Lycopene), Galactolipids
Reported Mechanism (Provisional)
The primary bioactive in dog rose hip, GOPO ((2S)-1,2-di-O-[(9Z,12Z,15Z)-octadeca-9,12,15-trienoyl]-3-O-β-D-galactopyranosyl glycerol), is a galactolipid that inhibits cyclooxygenase-2 (COX-2) gene expression and suppresses inducible nitric oxide synthase (iNOS) activity in lipopolysaccharide-stimulated macrophages, thereby reducing prostaglandin E₂ (PGE₂) and nitric oxide (NO) production—two central mediators of inflammatory joint destruction. Additionally, rose hip's high concentrations of ascorbic acid, quercetin, and trans-tiliroside act synergistically to scavenge reactive oxygen species (ROS), inhibit NF-κB nuclear translocation, and downregulate matrix metalloproteinases (MMP-1, MMP-3, MMP-13) responsible for cartilage collagen degradation. The omega-3 fatty acids (α-linolenic acid) present in the seed fraction competitively inhibit arachidonic acid metabolism via the COX and 5-lipoxygenase (5-LOX) pathways, shifting eicosanoid production toward anti-inflammatory resolvins and protectins. Dose-dependent anti-inflammatory responses observed with polyunsaturated fatty acid supplementation in osteoarthritic models (Fritsch et al., 2010; PMID: 20707845) support this multi-target mechanism.
Clinical Narrative (Provisional)
Clinical trials testing rose hip extracts have shown mixed results, with one study of a flavonoid-carotenoid complex from R. canina failing to demonstrate efficacy. In vitro studies confirm GOPO's ability to inhibit COX-2 transcription in TPA-treated B16 cells and show chondroprotective effects. Antioxidant activity has been validated in laboratory studies of eight Transylvanian extracts using DPPH assays, correlating with vitamin C and total polyphenol content. Large-scale clinical trials with quantified therapeutic outcomes remain limited in the current literature.
Also Known As
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