African ginger : Anti-Inflammatory, Immune and Digestive properties

Ginger (Zingiber officinale) is one of the most widely used and studied medicinal plants in the world: 3,000 scientific publications are consecrated to him. In West Africa, it is omnipresent — in sauces, herbal teas, iced ginger juices sold in the streets of Abidjan, Dakar or Accra, the medicinal decoctions of the tradipraticians. This is no coincidence: African ginger, often more concentrated in active ingredients than Asian varieties of great cultivation, combines anti-inflammatory, immunostimulating and digestive properties among the best documented in global herbal medicine. YAHU HEALTH gives you the complete scientific synthesis.

Membership in Active Principles

Gingerols: Active Principles of Fresh Root

The gingerols — 6-gingerol, 8-gingerol, 10-gingerol — are the major bioactive compounds of fresh ginger. They give it its characteristic spice and pharmacological power. 6-gingerol is the most studied: it inhibits COX-2 (cyclooxygenase 2), the central enzyme in the production of pro-inflammatory prostaglandins — exactly the same target as ibuprofen and naproxene. 6-gingerol concentration in wild African ginger may reach 2.5 to 4.2% of dry weight, significantly higher than industrially grown varieties (1.2-1.8%), according to a comparative study of Food Chemistry (2022).

The Shogaols: Ginger Dry Compounds

When drying or cooking, gingerols are transformed into shogaols 6-shogaol mainly by dehydration. Shogaols have bioavailability and anti-inflammatory power twice as high fresh gingerols, based on a meta-analysis of Phytomedicin (2021). Therefore, dried ginger is often more effective than fresh for targeted therapeutic applications.

Other Active compounds

• Paradols: potential tumours under study
• Zingerone: antioxidant, anti-nausea
• Sesquiterpenes (α-zingiberene, β-bisabolene): Antimicrobial, antifungal
• Acetic acid: antibacterial, digestive action

Anti-Inflammatory Properties : Scientific Validation

Molecular mechanism

Low-grade chronic inflammation is involved in most modern diseases. Gingerols and shogaols act on several molecular targets simultaneously: COX-1 and COX-2 inhibition (prostaglandins), 5-LOX inhibition (leucotrienes), NF-κB inhibition (master transcription factor for inflammation), TNF-α reduction, IL-1β and IL-6 (pro-inflammatorycytokines). This multi-target action explains why ginger is more effective than conventional anti-inflammatory drugs on certain chronic diseases, while having a significantly more favorable side effect profile.

Articular pain and osteoarthritis

A meta-analysis of Osteoarthritis and Cartilage (2019) in 9 randomised clinical trials and 940 patients with knee osteoarthritis concluded that ginger significantly reduces pain (−24% on the EVA scale) and improves joint mobility. These results are robust and comparable to NSAIDs (nonsteroidal anti-inflammatory drugs) at 400mg, without the gastric effects of the latter.

Dysmenorrhea (Menstrual pain)

This is one of the best clinically validated uses. A randomised study of Journal of Alternative and Supplementary Medicine (2020) compared 250mg of ginger extract with 250mg of mefenamic acid (reference painkiller) in the treatment of primary dysmenorrhea in 150 young women. Identical results on pain, with better tolerance for ginger. In Africa, where dysmenorrhea is often treated with NSAIDs with frequent gastric side effects, ginger is a natural alternative to equivalent efficacy.

Immunostimulant action

Stimulation of Innate Defenses

Gingerols increase NK cell activity (Natural Killer) — The first line of defense against cancer viruses and cells. They also stimulate phagocytosis by macrophages and the production of secretory immunoglobulins A (IgA) — antibodies protecting the respiratory and digestive mucosa. A study of International Journal of Molecular Sciences (2021) confirms this systemic immunostimulating effect in healthy subjects after 8 weeks of supplementation.

Antiviral properties

In vitro studies have shown inhibitory activity of ginger extracts against several respiratory viruses: respiratory syncytial virus (VRS), rhinovirus (common rum), and — in preliminary studies — against certain influenza variants. Sesquiterpenes appear to be the main cause of this antiviral effect, inhibiting the attachment of viruses to host cells.

Digestive properties : Le Ginger, Remedy of the Estomac

Anti-Nause and Anti-Vomiting

Ginger is the most scientifically validated natural anti-nausea. Its properties against nausea and vomiting are attributed to zingerone and gingerols acting on serotoninrgic 5-HT3 receptors of the intestine. A meta-analysis of Nutrition Journal (2019) in 12 clinical trials confirms its efficacy in gravidic nausea (grossness), post-chemotherapy nausea and transport sickness — with remarkable safety even in pregnant women at moderate doses.

Accelerated gastric vacuum

Ginger accelerates gastric discharge of 25 to 40%, reducing post-prandial heaviness, reflux and bloating. It also stimulates the secretion of pancreatic digestive enzymes and biliary production, optimizing fat digestion.

Precautions for employment

• Anticoagulants (warfarin, aspirin): ginger has a slight anticoagulant effect — recommended INR monitoring
• Pregnancy: safe at dietary doses (up to 1g/day). Beyond, see — theoretically uterotonic high doses
• Severe gastroesophageal reflux: ginger may temporarily exacerbate burns — start with small doses
• Surgery: stop 2 weeks before — light antiplatelet effect

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Find out how to use ginger every day in our Guide to ginger recipes and remedies, and its role in our Complete immune strengthening protocol. See also our guide to African medicinal plants.

Sources

1. Mashhadi, N.S. et al. (2013). « Anti-oxidative and anti-inflammatory effects of ginger. » International Journal of Preventive Medicine, 4(Suppl 1), S36-42.
2. Daily, J.W. et al. (2015). « Effective of ginger for alleviating nausea and vomiting. » Nutrition Journal, 14, 20.
3. Bartels, E.M. et al. (2015). « Efficiency and safety of ginger in osteoarthritis. » Osteoarthritis and Cartilage, 23(1), 13-21.
4. Rahmani, A.H. et al. (2014). « Active ingredients of ginger as potential candidates in the prevention and treatment of diseases. » Molecules, 19(12), 20845-20858.

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