Massa Medicata Fermentata, known in classical Chinese medicine as Shen Qu, is a fermented preparation of wheat, bran, almond, red bean, and several aromatic herbs. The fermentation is the active step. The herbs alone do not produce the clinical effect. The microbial transformation of the substrate does.
This is significant. Shen Qu was developed at a time when no one understood that microbes existed. The classical herbalists worked out empirically that allowing certain combinations of grain and herb to ferment produced a digestive remedy more potent than the unfermented ingredients. Modern microbiology has since named what they were doing. The fermentation produces enzymes, amino acids, and a community of beneficial microbes that act as a precursor to the gut’s own digestive activity.
The classical indications are precise: undigested food in the stool, fullness after eating, particularly of grain or carbohydrate-heavy meals, and the digestive consequences of food stagnation. The modern correspondence is straightforward. Shen Qu provides exogenous enzyme activity, supports the regrowth of beneficial gut bacterial populations, and offers a low-level prebiotic substrate.
Research has examined Shen Qu’s effects in irritable bowel syndrome models, where it reduces visceral hypersensitivity and improves intestinal microbial composition. Studies in functional dyspepsia show measurable improvement in intestinal flora profiles. The herb is unusually gentle. It is appropriate for people who cannot tolerate stronger formulas.
Shen Qu is in Chorus Gut Harmony as one of the sixteen botanicals chosen for the gut-brain axis. It is one of the components most directly responsible for the formula’s tolerability across a wide range of digestive presentations.
References
Fu, Frank Qiang, et al. “Biostudy on traditional Chinese medicine massa medicata fermentata.” ACS Omega 5.19 (2020): 10987-10994.
Gao, Shengmei, et al. “Exploration of the variations of amino acids in Massa Medicata Fermentata and their effects on gastrointestinal diseases.” LWT 173 (2023): 114309.
Zhuang, Zhaomeng, et al. “Effects of Massa Medicata Fermentata on the intestinal pathogenic flagella bacteria and visceral hypersensitivity in rats with irritable bowel syndrome.” Frontiers in Physiology 13 (2022): 1039804.
Bai, Yinglu, et al. “Effect of Massa Medicata Fermentata on the intestinal flora of rats with functional dyspepsia.” Microbial Pathogenesis 174 (2023): 105927.
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