A Tradition Meets Modern Science
In a remarkable discovery presented at the 2025 Kaili Sour Soup Industry Development Conference,
Professor Jia Lirong from Sichuan University announced that Guizhou’s beloved
“sour soup” (suantang)—a fermented broth enjoyed daily by locals—has demonstrated
clear inhibitory effects against Helicobacter pylori, a bacterium linked to gastritis, ulcers, and stomach cancer.
The findings mark a milestone for both food science and traditional Chinese fermentation,
bringing this humble regional delicacy into the global spotlight for its potential health benefits.
The Study Behind the Discovery
Professor Jia’s team began their research in 2018, studying the physicochemical and microbial evolution
of Kaili sour soup during fermentation. Using LC–MS and non-targeted metabolomics analysis,
they identified dozens of bioactive compounds responsible for antioxidant, antimicrobial,
and cardiovascular benefits.
The study distinguished two main varieties:
- White Sour Soup (Bai Suantang): promotes gut health, supports heart function, and has mild antibacterial activity.
- Red Sour Soup (Hong Suantang): rich in organic acids and capsaicinoids; shows stronger anti-inflammatory and anti-H. pylori properties.
“Our data confirms that the red variety of Guizhou sour soup contains compounds capable of
inhibiting Helicobacter pylori growth through specific metabolic pathways,”
said Prof. Jia during the conference.
Why It Matters — A Natural Defense Against a Global Threat
According to epidemiological data, nearly 50% of China’s population carries H. pylori,
and antibiotic resistance is making eradication increasingly difficult.
The Sichuan University research suggests that GuiZhou Sour Soup
could become a natural dietary support for digestive health,
offering both prevention and wellness benefits without drug resistance concerns.
The soup’s lactic acid bacteria and organic acid profile contribute to a healthy gut microbiome
and improved digestion, aligning perfectly with current global interest in
fermented foods and probiotics.
From Mountain Villages to Modern Wellness
In Guizhou—especially the Qiandongnan region—every household owns one or more fermentation jars,
each holding their family’s secret recipe.
For centuries, sour soup has been more than food; it’s a living culture.
Locals even have a saying: “Three days without sour, and your legs go weak.”
Traditional red sour soup is made by fermenting fresh chili peppers,
wild tomatoes (known as maolajiao), ginger, rice wine, and sweet rice mash,
creating a bright red broth with a clean aroma and layered sour-spicy balance.
Meanwhile, white sour soup—fermented from rice water—is mild, aromatic, and slightly sweet,
often misunderstood by outsiders for its gentle flavor.
Yet it perfectly embodies Guizhou’s philosophy of harmony and depth in taste.
A Culinary Gem With Endless Variations
From the iconic sour soup fish to sour soup beef, pork trotter stew, and vegetarian hot pot,
this tangy base defines Guizhou’s culinary landscape.
A bowl of red sour soup, steaming and fragrant, awakens the appetite like no other.
Today, sour soup restaurants line the streets of Guiyang and Kaili,
rivaling the density of hot pot shops in Sichuan.
The dish has evolved from a local comfort food to a national culinary symbol—and now, thanks to scientific validation,
a potential functional food for gut health.
Lvyin Food — Bringing Guizhou’s Heritage to the World
As a pioneer in the modern commercialization of Guizhou’s fermented foods,
Lvyin Food
continues to bridge tradition and innovation.
Through standardized fermentation techniques, hygiene control, and export-ready packaging,
the company ensures that the authentic flavor and nutritional value of sour soup
are preserved for global consumers.
Explore our Sour Soup Series
and experience how a centuries-old recipe is inspiring modern wellness worldwide.
References & Further Reading
- Harvard Health — Fermented Foods and Gut Health
- Wikipedia — Helicobacter pylori
