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mercredi 19 mars 2014
From our friends in NYC
dimanche 23 février 2014
Tomorrow in Paris
Dear Friends
I have the pleasure to remind you that tomorrow, 24th of February 2014, from 4.00 to 6.00 PM, Abbé
Grégoire street (Ecole supérieure de cuisine française, Centre Jean Ferrandi of the Paris Chamber of commerce).
It is an exception, because usually we have our seminar the 3rd Monday of the month, and not the 4th.
The topic for tomorrow's seminar was decided last month, by the participants of the January seminar, and it will be :
What is the influence of the size of meat peaces when you make a meat stock?
What is the influence of bones in stocks ?
See you tomorrow if you can+will.
Chers Amis
Permettez moi de vous rappeler que c'est
demain, 24 février 2014, de 16 à 18 heures, au 28 bis rue de l'Abbé
Grégoire (Ecole supérieure de cuisine française du Centre Jean Ferrandi
de la Chambre de commerce de Paris) que nous aurons notre séminaire du
mois de février (exceptionnellement le 4e lundi du mois, au lieu du 3e).
Le thème qui a été retenu par les participants du séminaire de janvier, pour notre séminaire de demain est :
Quelle est l'influence de la taille des morceaux de viande utilisés pour la confection d'un bouillon de boeuf ?
Quelle est l'influence des os ?
jeudi 20 février 2014
Again, questions and answers, and again, a confusion between science and cooking !
Today, I received a long questionary from an English student, and I took some time to answer (primarily for the first questions; then I missed time).
Here it is :
Here it is :
- How would you explain the term ‘molecular gastronomy ‘to high school students who have no background knowledge of the term?
First
molecular gastronomy is a part of sciences of nature. Which means
that we are trying to make scientific discoveries, such as oxygen,
inertia, quantum mechanics, or Higgs boson.
Of course, in the case of molecular gastronomy, there is no hope to discover the Higgs boson, because we are focusing on an energy scale which is between van der Waals forces and 400 °C (OK, this should be in terms of joules, but it is because I want to explain, as you said “for student”).
Of course, in the case of molecular gastronomy, there is no hope to discover the Higgs boson, because we are focusing on an energy scale which is between van der Waals forces and 400 °C (OK, this should be in terms of joules, but it is because I want to explain, as you said “for student”).
What
can we discover ? For example, when we study carrot stocks, we are
focusing on the particular mechanisms through which plant tissues can
exchange with their environment, when cell walls are disrupted.
More
generally, in this direction, I am interested on how compounds are
exchanged between colloidal systems and their environment. Are there
classes of exchanges ? How to compare them ?
Or,
in another research line, I am interested in how chemical compounds
present in food are changed during culinary processes, in particular
in aqueous medium at 100°C for long times (hours). Indeed, this is a
big issue, as food thermally treated has its inside at 100 °C
maximum, and cooking times can be long. Imagine that organic
compounds are transformed into others: this would be organic
chemistry in water, from edible compounds, i.e. more or less “green
chemistry”.
Finally,
you see: in this field, no cooking ! Only physical chemistry, and the
more fundamental the better (for me).
Of
course there are many other possibilities. As I showed that cooking
has technical, art and social component, studies can be done in these
three fields.
- What are your thoughts of using molecular gastronomy as a teaching tool for high school students?
Indeed
it was always my idea that cooking should not be taught as recipes,
as recipes make the cook like a machine. I proposed to reintroduce
culinary lessons at school, but only in relationship with science,
and with knowledge in particular. For example, in France children at
school learn how to make liters and liters of whipped egg white from
only one egg white. The world record, to my knowledge, is 40 liters.
There
are many benefits in having molecular gastronomy (under this name, or
not named) in the educational system, at any level, from school up to
university. In particular, people can cook. Then they can be happy to
learn science and other matters... because they can see how useful it
is. Then they can learn the difference between technique, technology,
science, art...
Then...
- Do you think learning chemistry through contextual learning is more beneficial than just learning by writing facts and theories?
Yes
I do think so, and this tested idea is at the foundation of a
modification of the curriculum in France, again.
But
about teaching, I am very cautious, because the best educational
method can be bad when poorly used, whereas the worst method can
become wonderful in wonderful hands. Indeed, teaching is technique,
art, and social link (a very long story that I cannot develop here).
- What are the benefits of understanding the basics of chemistry?
All
your life includes chemistry, or more precisely the result of
chemistry : cosmetics, drugs, food, painting, varnishes... If some
people fear pesticides, this is because they don't understand what
compounds are. And they don't understand that grilling meat is making
more more dangerous compounds than pesticides! You cannot vote for
laws if you don't understand chemistry, at the XXIrst century. But
again, this could make a whole chapter!
- Is molecular gastronomy completely safe for your health? How would you explain this to people who don’t have background knowledge in molecular gastronomy and simply overlook it as unhealthy/unsafe?
Here
I see that you confuse molecular gastronomy and molecular cooking.
Please see the text about that. Science is safe for your health,
because it is knowledge, not food !
About
molecular cooking (not molecular gastronomy), if people fear it, it's
because they don't know the definition of molecular cooking : cooking
with new tools.
But
now there is a new chapter in the history: note by note cooking. And
them people will perhaps fear it. Please look at the text about note
by note cooking, in order to see :
-why
people will fear it
-
why I don't care about people fearing it (they will need it!).
- Are molecular gastronomy foods something that young children could consume?
“Molecular
gastronomy food “ cannot exist ! Remember that molecular gastronomy
is science, not food !
If
you discuss molecular cooking dishes, then it depends on what it
contains. Please never fall in generalities. For example, do you know
that children should not eat “saucisson”, because of nitrites ?
And
this is traditional food. Not molecular cooking.
By
the way, why don't you ask also “are traditional food something
that young children could consume?” ;-)
- Can pure compounds be produced and eaten in molecular gastronomy recipes?
Again,
no molecular gastronomy recipes. You probably think of note by note
cooking. The book in English about this will be published in NYC in
October.
- What are some prime examples of molecular gastronomy recipes that utilise the changing of states of matter?
The
same as for traditional food. When you make a gel, there is a
transformation. When fat melts, there is a liquefaction, etc. Just
look at a culinary book.
- What are some examples of catalysts in molecular gastronomy? How do they work?
Again,
the confusion. But if you consider molecular cooking, it is the same
as for traditional cooking. But for note by note cooking, there will
be possibilities of many advances in this regard.
- Could endothermic and exothermic reactions be explained to young children through molecular gastronomy? What are some examples of these reactions within food?
Of
course, but there, I would need more time than I have now.
- Can we use molecular gastronomy to explain the different tastes of foods e.g. acids/bases? What are some foods that can be explained through their PH levels?
Yes.
There are many. Please see my podcasted courses on AgroParisTech, and
my various books. Sorrry, most of it is in French.
- What are some very simple reactions that can be explained to high school students through food? For example reactions that a student would be able to write out the formula and identify the product and reactant.
I
feel that I can explain any reaction to anybody. The question is how
deep?
- Is Stoichiometry important in molecular gastronomy? What are some examples of stoichiometry in molecular gastronomy?
- How could the chemical calculation of concentration be taught through Molecular Gastronomy?
If
you look to the “Cours en ligne” of AgroParisTech, in the part
“physical chemistry for formulation” or in the FIPDes part, you
will see many courses in English, at the university level. The same
content could be taucht in high schools.
- What are some examples of precipitation reactions within foods/molecular cuisine?
Same
as before
- What types of reactions are most common in molecular gastronomy? What are some examples of these?
Same
as before
- Are gels classified as a solid or liquid why? How would you explain this to young students?
About
gels, look to my AgroParisTech course en ligne, as said above.
- What are some examples where acids and bases are manipulated in molecular gastronomy?
- What are some simple kitchen myths that have been proven wrong? What method was used to prove these myths as false?
Please
see my article “Comparative molecular gastromy” in the Japanese
Journal of Cookery science.
- How does different PH levels effect food?
Same
as before
- Can hydrated compounds be explained through the dehydration of food?
Sorry
but I don't understand the question
- Can the molecular formula be determined for food? e.g. what is the molecular formula of a strawberry? How is it found?
I
don't understand the question. Do you mean DSF ? If so, did you the
courses about that, and the articles ?
- What is chemically happening in the process of spherfication?
See
articles on that.
- When maltodextin is added to fat, what is chemically happening?
Everywhere
on the net.
- What properties of soy lectin, xanthan Gum and sodium citrate that make them emulsifiers?
Again,
see my courses.
- How does Agar Agar gell work/ why does it have the properties it has?
Everywhere
on the net
- How does sodium Alginate gell work/ why does it have the properties it has?
Everywhere
on the net
- What are the most interesting chemicals have you worked with/ studied through molecular gastronomy? What is it that you found interesting?
Water ! If protons are labile (as seen with NMR, it means that the
“are not” in the molecule, so that the H2O molecule does not
exist, as a fixed unit. This is one very interesting and simple case,
let's say prototype, for many other ideas in physical chemistry.
mercredi 12 février 2014
This is from NYC
Dear Friends
I am happy to forward you this :
I am happy to forward you this :
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lundi 10 février 2014
From our friends running molecular gastronomy in Cuba
6to
CONGRESO LATINOAMERICANO Y DEL CARIBE SOBRE CALIDAD E INOCUIDAD DE
LOS ALIMENTOS
5to
CONGRESO NACIONAL DE ALIMENTACION Y NUTRICION
CUBALUMIÈREGOURMET
2014
Lema
del Evento:
“La
cultura alimentaria en la Ciencia de los Alimentos, la Gastronomía y
los medios audiovisuales”
15
al 19 de Septiembre del 2014
Palacio
de Convenciones de La Habana, Cuba
mercredi 1 janvier 2014
A message and answers
Today, received this :
Dear Mr.This
My name is XXXX and I attend a high school named Enskilda gymnasiet in Stockholm,
Sweden. I’m studying a natural science program and right now I’m doing a project
regarding chemistry. I’m investigating if molecular gastronomy is going to be included
in meals of a family’s’ daily life.
The past
evolution of food shows that we are always trying to develop food so that it
will be as easy, comfortable and quick as possible for a common family to put
food on the table.
I’ve read
an extremely interesting article where you participated in a Swedish magazine
called ”Forskning & Framsteg”. Furthermore, I was wondering if you could
take a tad of your time and help me with my project by answering a few
questions.
1. 1. Do
you think molecular gastronomy will be included in a future family’s everyday meals?
If so, in what way?
2. 2. How
do you think catering will look like in the future? What will be its contents?
Is there a possibility that we might have a powder that we will mix with water,
which will give us meatball dough?
3. 3. Do
you think there will be some kind of replacement for todays’ protein? If so,
how and what?
4. 4. Do
you think the molecular gastronomy has to develop further to prepare the
society in case of a cataclysm or a long term cut of electric power? If so, in
what way?
5. 5. In
20 years, how would you imagine a lunch for a stressed, hard working person
would look like? Is there a possibility that this person will only have to take
a pill to get all the nutrition we need to survive?
Thank you
in advance.
Here the answer :
Thanks for your message. Please do look at https://sites.google.com/site/travauxdehervethis/, as the English section contains a lot of questions+answers.
Specifically :
1. Do you think molecular gastronomy will be included in a future family’s everyday meals? If so, in what way?
Molecular
gastronomy is science, that you confuse probably with molecular
cooking. Indeed, some years ago, I would had say yes, but I am now
proposing something much more important, called "note by note cooking".
And yes, for sure, note by note cooking is the future of our food, for
many reasons that I am explaining in a book in French (English version
in October).
2. How
do you think catering will look like in the future? What will be its
contents? Is there a possibility that we might have a powder that we
will mix with water, which will give us meatball dough?
Catering
in the future ? Note by Note. By the way, the idea of pills, or powder,
or capsules is a fantasm. If you calculate the needed energy for just
survival, it takes more than 300 g using the most energetic compounds
(which is fat) ! Except if we find a more energetic (and edible)
compound...
3. Do you think there will be some kind of replacement for todays’ protein? If so, how and what?
Remember
that we need nitrogen ! And that as living organisms are concerned, we
have to take the biology of evolution into account.
4. 4. Do
you think the molecular gastronomy has to develop further to prepare
the society in case of a cataclysm or a long term cut of electric power?
If so, in what way?
Molecular
gastronomy has to develop in order to make new discoveries, but science
has nothing to do with society issues. Only technology does. And the
Note by Note project has to spread. Many questions have to be studied.
Ten billions people in 2050, plus predicted crisis for water and
energy!!!
5. In
20 years, how would you imagine a lunch for a stressed, hard working
person would look like? Is there a possibility that this person will
only have to take a pill to get all the nutrition we need to survive?
Answered above.
Happy New Year
Dear Friends
The world is not restricted to my small surrounding, but 2013 was not so bad:
-
we went on with our monthly seminar of molecular gastronomy (after 13
years), and we got many thankflul messages from the culinary world
- note by note cooking developed explosively, and it goes on in this way
- we actively fought against "fear merchants", in particular in the frame of the French Academy of agriculture
- using blogs, we explained broadly that science is different from technology and technique
- we tested many new educational methods, et we proposed broadly many educational new ideas
- we helped the regional Science and Food Culture Circles to develop and work
- we looked for more "Light" through articles, internets sites, posts...
- we went on our scientific studies, with many colleagues and students
- we had the 20th group for the Institutes for Advanced Studies in Gastronomy
- we contributed to develop molecular gastronomy in many countries of the world
Many of these works were achieved with your help : thanks !
Let's walk toward more Light in 2014.
Happy New Year to you
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