|
What are Probiotics & Prebiotics?
<<previous
The HLC (Human Lactic Commensals) range of probiotics
have been developed within the Pharmax alliance and have been proven in both
human clinical trials and by practitioner usage for over 10 years in Europe.
In many countries in Europe, they are the market leading probiotic
nutriceutical used by professional healthcarers.
The role of probiotics in human physiology is both varied
and of fundamental importance. However, part of the reason why their full
benefits are not always achieved in practice is that the microorganisms do
not reach the G.I. tract in either sufficient numbers or with sufficient
activity to be effective. Moreover, many bacterial isolates used as
probiotic organisms are poor colonizers of the G.I. tract, quickly passing
straight through and thereby eliciting only a transitory effect.
Hence, for a probiotic to be effective, there are four
criteria of primary importance that must be delivered:
|

|
Proven product shelf stability, ensuring that the
probiotic organisms reach the user at the "correct" potency
|
|

|
Ability of the selected cultures to survive
gastric juices/acidity
|
|

|
Ability of the cultures to attach to human
epithelial tissue
|
|

|
Proven in clinical trials
|
HLC –
Delivering a quality product with shelf stability and quality assurance
The organisms,
Lactobacillus acidophilus and Bifidobacterium bifidum, as used in the HLC
range are fragile organisms, sensitive to both temperature and moisture. As
temperature increases from 40°F, there is an almost exponential drop in
viable numbers with time and this is exacerbated by the presence of
moisture.
It is for this reason that many probiotic products
containing L. acidophilus and Bifidobacteria have failed in independent
surveys to deliver label specifications of viable bacterial numbers to the
end user. By addition of microbial overage at the time of manufacture
combined with appropriate packaging and storage conditions, Pharmax ensures
that all products reach the customer at above-label specification.
Independent analysis of each batch (available to customers) proves the
point.
The HLC probiotics have:
|

|
Virtually indefinite shelf life if kept frozen
|
|

|
Full 12 - 18 months shelf life if kept
refrigerated
|
|

|
Over 3 months shelf life at
room temperature
and still remain above the label specification!
|
This quality assurance promise has resulted in the HLC
range being given top placing of all products analyzed for meeting
specification and value for money in two recent independent European
probiotic surveys.
HLC – Highest survival through the
stomach
The pH of the empty stomach is between 1.5 and
1.9 whereas, due to the buffering
capacity of food, the pH is raised to between 3.8 and 4.3 in the full
stomach. The aggressive nature of the stomach acts as an excellent barrier
to invasion by potentially pathogenic microbes. So, for probiotics to be
effective, they must survive in high numbers under the same environmental
stresses as would severely inhibit or eradicate other bacteria.
The HLC organisms were compared with other probiotic
strains for their ability to survive passage.
With over 90%
survival in the full stomach and over 50% survival in the harshest
environment of the empty stomach, the HLC organisms proved particularly
robust and well adapted to the human stomach. This was in contrast to other
probiotic organisms, which showed great sensitivity to gastric conditions
and poor adaptation to the human host.
This study also demonstrated that probiotics should be
taken in association with a meal to ensure maximum survival.
HLC - Proven attachment to human
epithelial cells and antagonism to Candida albicans
In the small intestine (duodenum, jejunum, ileum) the
transit time is rapid relative to the "doubling time" of normal flora
bacteria so, if they are unable to attach or otherwise become associated
with the epithelial surface, they will be washed through. Lactobacilli,
particularly Lactobacillus acidophilus are the most important colonizing
organism of the small intestine and it is therefore critical that any
Lactobacillus strains used as probiotics are capable of human epithelial
cell attachment.
HLC -
Proven in clinical trials
Probiotics from the HLC range are continuously
tested and shown to be effective in independent, placebo controlled,
clinical trials. All such studies get published in peer-reviewed scientific
journals. Results from recent clinical studies are outlined below.
Trial 1: Undertaken at Addenbrookes
Hospital, Cambridge, U.K.
Aim: Reduction
in post-antibiotic re-growth of potentially pathogenic facultative
microorganisms
Results: HLC
Intensive significantly prevented post antibiotic increase in Staphylococci,
Enterobacteriaceae and Enterococci. These microorganisms are associated with
post-antibiotic infection and overgrowth as well as the acquisition and
transfer of antibiotic resistance.
Trial 2:
Undertaken at Addenbrookes Hospital, Cambridge, U.K.
Aim: Prevention
of post-antibiotic overgrowth of Clostridium difficile in hospitalized
patients
Results: HLC
Intensive lowered frequency of Clostridium difficile infection and
overgrowth to the extent that justified its use in all hospitalized patients
undertaking antibiotic therapy.
With further clinical trials already in progress, it is
clear that the HLC range of probiotics from Pharmax is leading the way in
innovative, clinical probiotic research and will pave the way for
recognition of the benefits of probiotics in many new aspects of human
health and disease.
The Functions of Lactobacilli
& Bifidobacteria in the G.I. tract
Their major beneficial physiological functions are as
follows:
Well established:
|

|
Protect against enteric infection, overgrowth and
dysbiosis
|
|

|
Stimulate the development and balancing of the
neonatal immune system
|
|

|
Continuously stimulate the mucosal immune barrier
throughout life
|
|

|
Stimulate the digestion and absorption of
nutrients such as lactose (by producing lactase) and minerals (by
action of lactic acid)
|
|

|
Stimulate intestinal motility
|
Less well established:
|

|
Decrease absorption of dietary cholesterol by
binding and excretion
|
|

|
Decrease production of intestinal mutagens and
carcinogens
|
However, for most people, the benefits of having high
numbers of Lactobacilli and Bifidobacteria are not fully achieved. This is
because these organisms are the most adversely affected by any disturbance
of the G.I. tract, leading to dramatically reduced populations and resultant
dysbiosis. This can be overcome by supplementing with products from the
Pharmax HLC range – the benchmark of probiotics and probiotic
therapy.
HLC – Summary
|

|
Human strains
|
|

|
Proven by human double blind placebo controlled
clinical trial
|
|

|
Tailored to address specific health/disease
presentations:
-
Dysbiosis and overgrowth
-
Neonate immune system development
-
Chronic inflammatory conditions
-
Gastrointestinal (GI)
tract syndromes
e.g. Irritable bowel syndrome (IBS)
-
Stressful lifestyle
-
Immune maintenance with age
|
|

|
High potency
|
|

|
Guaranteed quality by independent potency analysis
with each delivery
|
|

|
Unique and proven synergistic interactions with
other nutritionals
|
|