Probiotics Introduction

The definition of probiotics

Probiotic literally means “pro-life”
Probiotics are “live micro-organisms that when administered in adequate amounts confer a health benefit on the host” (World Health Organization, 2001). Probiotics can restore intestinal microflora which often become unbalanced due to illness, stress, age, traveling or use of medication such as antibiotics. Note that effects are strain specific and so are not assumed for the spectrum of probiotics.

The classification of probiotics

The Lactobacillus genus
Lactobacillus is a celebrity among probiotic bacteria. This genus contains about 80 recognized species, with the most well-known being Lactobacillus acidophilus. The name “Lactobacillus” is broken down into “lacto,” derived from “lactic” acid, and “bacillus,” meaning rod-shaped. Thus, lactobacillus species are rod-shaped bacteria that produce lactic acid from fermentable sugars such as glucose, fructose, lactose and/or galactose. The major by-products of lactobacilli fermentation are lactic and acetic acids.
The Bifidobacterium genus
Bifidobacterium is the most abundant genus of good bacteria in the human gastro-intestinal tract. The “bifido” part of the term “bifidobacteria” comes from “bifidus,” meaning “split in two, separated by a cleft.” Thus, bifidobacteria can often be identified by their Y-shaped or bifid structure. However, bifidobacteria also exist in V- or X-shaped forms, and can be found in more rounded shapes as well. The major by-products of bifidobacteria fermentation are lactic, acetic, and butyric acids; additionally succinic acid can also be produced by some strains of bifidobacteria.

The benefits of  probiotics

Probiotics sometimes seem too good to be true, believe it. Clinical studies show that probiotics offer numerous health benefits.Some of the scientifically established health effects are:Reduction in the occurrence and duration of rotavirus diarrhea.Reduction in duration of antibiotic-associated diarrhea.Alleviation of symptoms of lactose intolerance.Alleviation of symptoms of food and skin allergies in children.Reduction of recurrent ear and bladder infections.Reducing incidence and/or duration of bacterial vaginosis.Improvement of halitosis.Probiotics support the gut flora balance and so the strongest evidence for the clinical effectiveness of probiotics has been in the treatment and prevention of acute diarrhea and antibiotic-induced diarrhea.Recent research also confirms roles for probiotics in the prevention of traveler’s diarrhea, Clostridium difficile infection and irritable bowel syndrome.But probiotics don’t only act close to home.
They also impact the immune system, a network of white blood cells racing through blood and lymph. Beneficial bacteria also enhance vitamin, mineral and enzyme metabolism, which strengthens the host in multiple ways.
Through these channels, probiotics are thought to influence a whole field of diseases and conditions:asthma, allergies, dental caries, ulcers, hepatic encephalopathy, urinary tract infections, vulvovaginal candidiasis, dermatitis, inflammatory bowel diseases, type 1 diabetes mellitus, heart disease, obesity and cancers.

The effects of probiotics on animals

(1) Promoting digestion and absorption, improving feed conversion rate, promoting growth.
(2) Supplementing beneficial bacteria, maintaining the structure of animal intestinal flora balanced.
(3) Participating in the competition of bacteria survival, inhibiting harmful substances.
(4) Stimulating the body's immune system, improving the body's immune function.
(5) Reducing harmful gas emissions, improving environmental quality.


The effects of probiotics on soil and plants

(1) Stabilizing and protecting the plant cell membrane system, regulating the metabolic function of plants, enhancing plant immunity, improving its stress resistance;
(2) Having a strong ability to kill and inhibit the soil fungi, effectively prevent and treat various of diseases, speeding up the activation of plant roots, to the plant roots activate, growth, reproduction and blossom and bear fruit development process have different degrees of promotion
(3) Promoting the flower growth, development, early flowering, breaking dormancy, promoting germination, prolonging the flowering, preventing  fruit dropping;
(4) Promoting the lawn seed germination , growth and development of root, stem, leaf, repairing the lawn, to be greener and luster, extending green period.


Application Field:

Human health: dairy products, food and beverage, health medicine, daily chemicals
Ecological farming: animal feed, animal nutrition, aquaculture, pet food, microbial feed, silage
Organic agriculture: Plant protection agents, soil conditioner, microbial fertilizers
Environmental protection: water purification, sewage treatment, organic waste disposal.


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