Shen Qu (Massa Medicata Fermentata): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Shen Qu work to improve digestion?

Shen Qu works through enzymatic action produced during its fermentation process. The preparation contains naturally occurring digestive enzymes including amylase (breaks down carbohydrates), protease (breaks down proteins), and lipase (breaks down fats). These enzymes assist the body in breaking down food particles, reducing the burden on the digestive system. The fermentation process also generates B vitamins that support metabolic function. Evidence level: C (preliminary research and traditional use support this mechanism).

Does Shen Qu interact with any medications?

There are no documented significant drug interactions for Shen Qu in the scientific literature. However, because it enhances digestive function and enzyme activity, it may theoretically affect the absorption rate of certain oral medications. As a general precaution, take Shen Qu separately from prescription medications by at least 1-2 hours. If you are taking medications for diabetes or digestive disorders, consult a qualified healthcare practitioner before use. Evidence level: Traditional.

What is the recommended dosage for Shen Qu?

The standard adult dosage for Shen Qu is 6-15 grams daily when prepared as a decoction (herbal tea). It is typically combined with other digestive herbs in traditional formulas rather than used alone. The herb should be added near the end of the decoction process, as prolonged boiling may reduce enzymatic activity. For pediatric use or specific conditions, consult a licensed acupuncturist or herbalist for personalized dosing recommendations. Evidence level: Traditional.

Is Shen Qu safe to take during pregnancy?

Shen Qu is generally considered safe during pregnancy in traditional Chinese medicine practice. It is classified as a gentle, food-based remedy that supports digestion without harsh purgative effects. The fermentation process creates a mild preparation suitable for pregnant women experiencing digestive discomfort or food stagnation. However, always consult a qualified TCM practitioner or healthcare provider before taking any herbs during pregnancy to ensure appropriate use for your individual constitution. Evidence level: Traditional.

What is Shen Qu used for in traditional Chinese medicine?

Shen Qu is primarily used to treat food stagnation, a TCM pattern characterized by bloating, fullness, belching, and poor appetite after eating. It is indicated for poor digestion, diarrhea related to food accumulation, and loss of appetite. The fermented preparation helps break down accumulated food in the digestive tract and strengthens the Spleen-Stomach system. It is commonly combined with herbs like Shan Zha (Hawthorn fruit) and Mai Ya (Malt) in classic digestive formulas. Evidence level: C.

Who should not take Shen Qu?

Shen Qu should be avoided by individuals with gluten sensitivity or celiac disease, as the preparation is traditionally made from wheat flour and contains gluten proteins. Those with wheat allergies should also avoid this herb. While generally very safe with only mild bloating reported as a potential side effect, anyone with known food sensitivities should exercise caution. Consult a healthcare practitioner if you have concerns about gluten content or experience adverse reactions. Evidence level: Traditional.

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Massa Medicata Fermentata (Shen Qu) is a traditional fermented Chinese medicine used primarily to treat digestive disorders and metabolic issues [PMID:36529285, PMID:41670224].

Contexte

Massa Medicata Fermentata (MMF), also known as Shenqu, is a naturally fermented product and traditional Chinese medicine [PMID:39456523, PMID:30235872]. It is produced through the fermentation of materials such as wheat bran and flour, often involving a complex community of bacteria (e.g., Bacillus, Staphylococcus) and fungi (e.g., Aspergillus, Rhizopus) [PMID:33350238, PMID:39849789, PMID:36527339].

Usages traditionnels

It is widely used in traditional medicine to treat indigestion, vomiting, diarrhea, flatulence, and to increase stomach activity [PMID:30235872, PMID:36529285, PMID:39456523]. It is also used as a component in formulas for obese women with infertility [PMID:36273747].

Composés actifs

MMF contains acidic polysaccharides (SMMFAP and CMMFAP) [PMID:38176512], arabinoxylans [PMID:37884242], and various phenolic compounds including free phenolic acids, methoxylated flavonoids, and flavonoid C-glycosides [PMID:41670224]. Specific isolated compounds include a benzochroman and galactosyl acylglycerols [PMID:30235872]. During fermentation, ingredients such as amygdalin, benzaldehyde, and rutin are gradually degraded [PMID:32455219].

Mécanisme d'action

MMF exhibits anti-inflammatory and antioxidant effects by activating the NRF2-HO-1 pathway and inhibiting MAPK and NF-κB [PMID:39456523]. It may modulate the intestinal microbiota, influence the secretion of cytokines (e.g., IL-6, TNF-α), and regulate the TLR5/TRIF/ERK1/2 signaling pathway in the colonic mucosa [PMID:41552721, PMID:36505059]. It also demonstrates the ability to inhibit enzymes such as trypsin, α-amylase, and α-glucosidase [PMID:36570240].

Preuves cliniques

Preuve DFunctional Dyspepsia

MMF administration in rats improved gastric emptying rates and modulated intestinal flora [PMID:36529285, PMID:38495103]

Preuve DIrritable Bowel Syndrome (IBS-D)

In rat models, MMF reduced visceral hypersensitivity and modulated pathogenic flagellated bacteria and TLR5 expression [PMID:36505059, PMID:41552721]

Preuve DHyperlipidemia/Obesity

MMF showed hypolipidemic effects in hyperlipidemia model rats [PMID:38621881] and suppressed BMI and total cholesterol in zebrafish [PMID:39456523]. A herbal composition containing MMF inhibited lipid accumulation in 3T3-L1 cells and regulated obesity in OLETF rats [PMID:26068433]

Preuve DSpleen Deficiency Constipation

MMF intervention in mice increased fecal water content and body weight while mediating intestinal microbiota and serum peptides [PMID:40115071, PMID:39844840]

Preuve DAlcoholic Liver Disease

MMF may prevent alcoholic liver disease by targeting AKT1, TNF, TP53, IL6, and CASP3 in mouse models [PMID:38299285]

Preuve D

Synthèse des preuves

The current evidence is based primarily on in vitro studies and animal models (rats, mice, zebrafish, and piglets), indicating strong anti-inflammatory, antioxidant, and gastro-protective properties. There are no human clinical trials provided in the source abstracts.

Sources PubMed

1.PMID: 36273747 (2023) — Qi Gong Wan ameliorates adipocyte hypertrophy and inflammation in adipose tissue in a PCOS mouse model through the Nrf2/HO-1/Cyp1b1 pathway: Integrating network pharmacology and experimental validation in vivo. · Journal of ethnopharmacology
2.PMID: 39187876 (2024) — Natural medicines-derived carbon dots as novel oral antioxidant administration strategy for ulcerative colitis therapy. · Journal of nanobiotechnology
3.PMID: 36529285 (2023) — Effect of Massa Medicata Fermentata on the intestinal flora of rats with functional dyspepsia. · Microbial pathogenesis
4.PMID: 41552721 (2025) — The effect of Massa Medicata Fermentata on the cytokine secretion of colonic mucosa and visceral sensitivity in rats with IBS-D. · Frontiers in cellular and infection microbiology
5.PMID: 39456523 (2024)

Shen Qu

Sources et citations

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