Here is an article
on yogurt and health:
https://scientificlogic.blogspot.com/search?q=probiotics
Milk and eggs
contain proteins that have the highest biological values nutritionists
would tell you.
Milk for instance is
the only food for human babies for at least 6 months and supplementary feeding
needs to be given after that period for at least 2 years or longer. Milk can
support the growth of not only human babies, but also calves, clubs, kits, pups,
or whelps, of all mammalians carnivorous or omnivorous species of animals
because nutritionally it is a complete food by itself. The main nutrient in
milk that supports this growth is its very high-quality protein complete with
all the amino acids.
So is hen’s egg on
which the entire unhatched chick depends inside its shell until it hatches 20
-21 days later or up to 30 days for other poultry. Eggs are also an excellent
source of high-quality protein known as its biological value (BV) which is a measure
of how efficiently the body utilizes protein from food. Eggs and milk BV are
close to 100.
Foods with high
biological values typically contain all the essential amino acids in
proportions similar to those required by humans. They contain all the essential
amino acids needed by the body.
Like eggs, milk is
also a nutritionally good supplementary food even for adults. Besides milk and
eggs here's a list of foods with high biological value
Whey Protein:
Derived from milk, whey protein is considered one of the highest BV proteins
available. It's quickly absorbed by the body and rich in essential amino acids.
Fish: Particularly
oily fishlike salmon, tuna, and mackerel are rich in protein and have high BV.
They also provide omega-3 fatty acids, which are beneficial for heart health.
1. Lean Meats: Lean cuts of beef, pork, and poultry are rich in
protein and have high BV. Choose lean cuts to minimize saturated fat content.
2.
Dairy Products:
Milk, yogurt, and cheese are good sources of protein with relatively high BV.
They also provide calcium and other essential nutrients.
3.
Soy Products:
Soybeans and soy products like tofu and tempeh are plant-based sources of
protein with high BV. They are also suitable alternatives for vegetarians and
vegans.
4.
Quinoa: Among
grains, quinoa stands out for its high protein content and balanced amino acid
profile, resulting in a relatively high BV for a plant-based food.
5. Cottage Cheese: Cottage cheese is a dairy product that's rich in
protein and has a high BV. Milk is a popular choice for athletes and those
looking to increase protein intake and to build up their strength and body
mass.
These foods with
high protein content and high BV provide the body with essential amino acids in
proportions that closely match human requirements, making them highly effective
for supporting muscle growth and preventing loss of body weight.
However, I also
mentioned in a separate article milk may not be well tolerated by adult
Asians. Drinking milk in adults may cause diarrhoea due to the presence
of milk sugar (lactose) inside. See my explanation here published on
Tuesday, June
20, 2023
Why Most People
Cannot Tolerate Drinking Milk
https://scientificlogic.blogspot.com/search?q=lactose+intolerance+
We can solve this
problem by converting the milk into yogurt by introducing milk bacteria such
as Lactobacillus bulgaricus and Streptococcus thermophilus to ferment
the lactose (milk sugar) into lactic acid. This process not only thickens the milk
but also changes its flavour and nutritional composition slightly. Once the
milk sugar lactose is converted into lactic acid and is no longer there, the
yogurt is very well tolerated and should no longer cause diarrhoea. If
milk is converted into yogurt, will it retain its high protein biological
values? We shall answer that later.
When milk is
converted into yogurt, it undergoes a fermentation process where beneficial
bacteria will be very useful for gut health. These bacteria called the
probiotics found in yogurt are also found in the gut. There are several other
types of probiotics that contribute to gut health. Some common ones include:
Lactobacillus: This
is a type of bacteria commonly found in yogurt and other fermented foods. It
helps in the breakdown of lactose and supports overall digestive health.
Bifidobacterium:
Another group of bacteria found in the intestines, Bifidobacteria are also
commonly included in probiotic supplements. They help in breaking down complex
carbohydrates and promoting a healthy balance of gut flora.
Saccharomyces
boulardii: This is a yeast probiotic that can help maintain a healthy balance
of bacteria in the gut. It's often used to prevent or treat diarrhoea caused by
antibiotics or infections.
Streptococcus
thermophilus: Like Lactobacillus, this bacterium is often found in yogurt and
helps support digestion and gut health.
While probiotics
have been studied for their potential benefits in preventing various diseases,
including colon cancer, the evidence is still emerging and not definitive.
However, probiotics do play a crucial role in maintaining overall gut health
and can contribute to the prevention of certain gastrointestinal issues such as
diarrhoea, irritable bowel syndrome (IBS), and inflammatory bowel disease
(IBD).
The mechanisms by
which probiotics contribute to health are multifaceted. They can help by:
Maintaining gut
flora balance: Probiotics help maintain a healthy balance of bacteria in the
gut, which is essential for proper digestion and nutrient absorption.
Strengthening the
gut barrier: Probiotics can enhance the integrity of the gut barrier,
preventing harmful substances from crossing into the bloodstream and reducing
inflammation.
Modulating the
immune system: Probiotics interact with the immune system in the gut, helping
to regulate immune responses and reduce inflammation.
Producing beneficial
compounds: Some probiotics produce short-chain fatty acids and other compounds
that support gut health and may have anti-inflammatory effects.
While more research
is needed to fully understand the role of probiotics in preventing specific
diseases like colon cancer, maintaining a diverse and balanced gut microbiome
through a combination of probiotic-rich foods and a healthy diet is generally
considered beneficial for overall health.
Having explained the
above about microbiome and gut bacteria let us now go from nutrition into food
science.
We can now use our
knowledge in simple food science to make our own yogurt at home. We can of
course buy ready-made yogurt from the food shop or supermarket. But they are
very expensive. So we shall make our own.
First we need to buy
a cup of ready-made yogurt with at least two types of milk bacteria
inside, namely, Lactobacillus bulgaricus and Streptococcus thermophilus.
This is how to make
our own yogurt.
Bring the fresh milk
home and gently boil the milk in a pot for about 1 – 2 minutes under low
fire.
Next, let the milk
cool to almost room temperature. Once cooled, use a clean spoon to add 1 - 2
tablespoons of the fresh yogurt into the cooled milk and stir.
Do NOT stir the cup
of yogurt into the boiled milk when the milk is still hot. The heat will kill
the milk bacteria, and yogurt cannot be formed. Cool it down first to near room
temperature before stirring in 1 – 2 tablespoons of the fresh yogurt as a starter.
Then cover the pot
of milk to prevent other bacteria entering into the milk. Leave overnight in a
warm place. Do not put the pot of milk inside the refrigerator as yet. Leave it
covered in a warm place in the kitchen so that the live milk bacteria as a starter
from the cup of fresh yogurt can ferment the milk.
Once yogurt has been formed only then you should keep it inside the
refrigerator, but not before that, else yogurt will not be formed from the milk
if it is too cold inside a refrigerator. After the yogurt is formed, you need
to put it inside the refrigerator to prevent other bacteria from entering.
The next morning about 8 – 10 hours later after stirring in the starter
yoghurt, all the milk should be converted into yogurt by the bacteria in the
yogurt you bought. If the milk has not turned into yogurt within 8 –
10 hours, leave it for another 4 hours. If the milk still has not turned into
yogurt, then the starter yogurt you bought from the supermarket did not contain
live bacteria inside. In that case throw it away and try again using
fresh milk and another different cup of yogurt. Make sure the milk and the
cultured yogurt you bought have not exceeded their expiry dates else the
bacteria were not there.
Now scoop up a bowl
of the home-made yogurt and add in 1 -2 spoonful of sweetened condensed milk
together with some fresh fruits or canned peaches, apricots, and pineapples
with its syrup. The canned fruits with the syrup or freshly cut fruits
can be kept cold in a refrigerator beforehand.
Your home-made yogurt will save you a lot of money instead of buying many cups
of them from the supermarket. Yogurt eaten with canned fruits and
syrup inside is quite tasty and very nutritious. You can make as many pots of
home-made yogurt as you want cheaply by using the Lactobacillus bulgaricus and
Streptococcus thermophilus present in the manufactured yogurt to ferment the
lactose (milk sugar) into lactic acid. While the overall protein content
remains relatively similar between milk and yogurt, the biological value (BV)
of the protein may change slightly due to the fermentation process, but still
contains high-quality protein with essential amino acids, similar to milk.
Some studies suggest
that the BV of protein in yogurt may be slightly higher than that of milk due
to the fermentation process, which can make the protein more easily digestible
for some individuals. Additionally, yogurt contains probiotics, which can benefit
gut health.
In summary, while there may be minor changes in the biological value, yogurt
remains a nutritious source of protein with valuable health benefits.
I hope my recipe as a food scientist cum food quality controller and as a
nutritionist- clinician helps. But other clinicians may not know this.
However, yogurt has
a limited strains of gut bacteria. What we want is a wider range of
health-protective probiotics described here:
Thursday, September
5, 2024
Health-Protective
Gut Microbiome: What Are They?
https://scientificlogic.blogspot.com/2024/09/health-protective-gut-microbiome-what.html
A much better
mixture of probiotics is one manufactured by Dynapharm generic
pharmaceuticals where each tablet contains 2.5billion colony-forming unit (CFU) of
Lactobacillus Acidophilus, 1billion CFU of Streptococcus thermophilus, 1billion
CFU, Bifidobacterium longum 0.5billion CFU.
The name of the
product is called “Pro-LSB Tablet” manufactured by Dynapharm Generic Pharmaceuticals.
You can get this
excellent probiotic preparation I highly recommend from the company at this
website: