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
Fresh ginger (Sheng Jiang) contains gingerols that stimulate digestive enzymes and enhance immune function through increased white blood cell activity. It acts primarily on 5-HT3 receptors to reduce nausea and promotes gastric motility via cholinergic pathways.
Reported Benefits (Provisional)
Origin & History
Sheng Jiang is the fresh rhizome of Zingiber officinale, commonly known as ginger. It is cultivated worldwide and used both as a spice and a medicinal herb.
Research Narrative (Provisional)
Numerous studies, including RCTs, support ginger's efficacy in reducing nausea and inflammation, with a strong evidence base for its use in motion sickness and arthritis.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Fresh ginger root (Sheng Jiang) per 100g contains approximately: Macronutrients - Carbohydrates 17.8g (primarily starch and sugars), Dietary Fiber 2.0g, Protein 1.8g, Fat 0.75g, Water 78.9g, Calories ~80 kcal. Micronutrients - Potassium 415mg, Magnesium 43mg, Phosphorus 34mg, Calcium 16mg, Sodium 13mg, Iron 0.6mg, Zinc 0.34mg, Manganese 0.23mg, Vitamin C 5mg, Vitamin B6 (Pyridoxine) 0.16mg, Niacin (B3) 0.75mg, Folate 11mcg, Riboflavin (B2) 0.034mg, Thiamine (B1) 0.025mg. Bioactive Compounds - Gingerols (primary pungent compounds, predominantly 6-gingerol at approximately 1.0-2.0% of dry weight in fresh root), Shogaols (formed from gingerols upon drying/heating, lower in fresh form), Zingerone (phenolic ketone, trace amounts in fresh form, increases with heat), Paradols (minor phenolic compounds), Zingiberene (primary volatile sesquiterpene, ~30-35% of essential oil fraction), Beta-bisabolene (~10-15% of essential oil), Camphene (~9% of essential oil), Geraniol and Linalool (minor volatile compounds), Galanolactone (diterpenoid), 6-Dehydrogingerdione, and various flavonoids including quercetin and rutin in trace amounts. Bioavailability Notes - Gingerols exhibit moderate oral bioavailability; co-consumption with fats may enhance absorption of fat-soluble volatile compounds. Piperine (from black pepper) can enhance bioavailability of certain ginger phytochemicals. Heating converts gingerols to shogaols, altering the bioactive profile; fresh form preserves maximum gingerol content. Fiber content is primarily insoluble, contributing to digestive motility effects.
Reported Mechanism (Provisional)
Gingerols in fresh ginger antagonize 5-HT3 receptors in the chemoreceptor trigger zone, reducing nausea and vomiting. These compounds also stimulate cholinergic pathways to increase gastric motility and enhance digestive enzyme secretion. Additionally, gingerols modulate immune function by activating macrophages and increasing cytokine production.
Clinical Narrative (Provisional)
Multiple randomized controlled trials with 100-200 participants demonstrate fresh ginger's effectiveness for nausea, with 1-1.5g daily reducing symptoms by 40-60%. Studies on immune function show 2-4g daily increases white blood cell activity within 2-4 weeks. However, most trials are short-term (2-8 weeks) with modest sample sizes, requiring larger long-term studies for definitive conclusions. Evidence is strongest for anti-nausea effects and moderate for immune enhancement.
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