Plants produce a vast and diverse organic compounds, which do not appear to participate directly in growth and development.These substances traditionally referred to as secondary metabolites which terpenes are one of them.
What are terpenes ?
Terpenes are secondary metabolites which are produced by Plants for their defense mechanism or required as per their metabolism. They are unsaturated and conjugated compounds may be aromatic or alliphatic
Plants produce a vast and diverse organic compounds, which do not appear to participate directly in growth and development.These substances traditionally referred to as secondary metabolites which terpenes are one of them.
What are terpenes ?
Terpenes are secondary metabolites which are produced by Plants for their defense mechanism or required as per their metabolism. They are unsaturated and conjugated compounds may be aromatic or alliphatic
Flavonoids classification, isolation and identificationMona Ismail
Flavonoids are groups of polyphenolic compounds which are found in fruits, flowers, seeds & vegetable.
(named from the Latin word flavus meaning yellow, their colour in nature)
Occurrence and classification and function of alkaloidsJasmineJuliet
Alkaloids introduction, Alkaloids classification, Alkaloids function, pharmaceutical applications of alkaloids, Examples of alkaloids, Some review questions related to alkaloids.
Study material for chemistry UG and PG students
Chapter No 05 Terpenoids, Study of natural product Chemistry of natural products, Pharmaceutical chemistry.
Occurrence and classification of alkaloidsJasmineJuliet
Alkaloid definition, Alkaloid history, Occurrence of Alkaloids, Distribution of Alkaloids in nature, Classification of Alkaloids in Different categories, Pharmacological actions of Alkaloids. Alkaloids classification based on chemical structure, belongs to plant family, Based on Biochemical precursor, Based on Biological activity.
Commonly known as its anionic form shikimate, is a cyclohexene, a cyclitol and a cyclohexanecarboxylic acid.
It is an important biochemical metabolite in plants and microorganisms.
Its name comes from the Japanese flower shikimi the Japanese star anise, Illicium anisatum), from which it was first isolated in 1885 by Johan Fredrik Eykman.
The elucidation of its structure was made nearly 50 years later.
Shikimic acid is also the glycoside part of some hydrolysable tannins.
The shikimate pathway is a seven step metabolic route used by bacteria, fungi, algae, parasites, and plants for the biosynthesis of aromatic amino acids (phenylalanine, tyrosine, and tryptophan).
This pathway is not found in animals; therefore, phenylalanine and tryptophan represent essential amino acids that must be obtained from the animal's diet
Animals can synthesize tyrosine from phenylalanine, and therefore is not an essential amino acid except for individuals unable to hydroxylate phenylalanine to tyrosine).
Biosynthesis and pharmaceutical applications of alkaloids [autosaved]JasmineJuliet
Alkaloids definition, History of Biosynthesis of alkaloids, Alkaloids application in pharmaceutical field, Biological activity of alkaloids, Alkaloids have different pharmaceutical property their names and their uses in pharmaceutical field.
Flavonoids classification, isolation and identificationMona Ismail
Flavonoids are groups of polyphenolic compounds which are found in fruits, flowers, seeds & vegetable.
(named from the Latin word flavus meaning yellow, their colour in nature)
Occurrence and classification and function of alkaloidsJasmineJuliet
Alkaloids introduction, Alkaloids classification, Alkaloids function, pharmaceutical applications of alkaloids, Examples of alkaloids, Some review questions related to alkaloids.
Study material for chemistry UG and PG students
Chapter No 05 Terpenoids, Study of natural product Chemistry of natural products, Pharmaceutical chemistry.
Occurrence and classification of alkaloidsJasmineJuliet
Alkaloid definition, Alkaloid history, Occurrence of Alkaloids, Distribution of Alkaloids in nature, Classification of Alkaloids in Different categories, Pharmacological actions of Alkaloids. Alkaloids classification based on chemical structure, belongs to plant family, Based on Biochemical precursor, Based on Biological activity.
Commonly known as its anionic form shikimate, is a cyclohexene, a cyclitol and a cyclohexanecarboxylic acid.
It is an important biochemical metabolite in plants and microorganisms.
Its name comes from the Japanese flower shikimi the Japanese star anise, Illicium anisatum), from which it was first isolated in 1885 by Johan Fredrik Eykman.
The elucidation of its structure was made nearly 50 years later.
Shikimic acid is also the glycoside part of some hydrolysable tannins.
The shikimate pathway is a seven step metabolic route used by bacteria, fungi, algae, parasites, and plants for the biosynthesis of aromatic amino acids (phenylalanine, tyrosine, and tryptophan).
This pathway is not found in animals; therefore, phenylalanine and tryptophan represent essential amino acids that must be obtained from the animal's diet
Animals can synthesize tyrosine from phenylalanine, and therefore is not an essential amino acid except for individuals unable to hydroxylate phenylalanine to tyrosine).
Biosynthesis and pharmaceutical applications of alkaloids [autosaved]JasmineJuliet
Alkaloids definition, History of Biosynthesis of alkaloids, Alkaloids application in pharmaceutical field, Biological activity of alkaloids, Alkaloids have different pharmaceutical property their names and their uses in pharmaceutical field.
There are certain folklore treatment which are very effective but lacks in scientific validation. Council for Development of Rural Area and Scientist council of scientific and Industrial Research (CSIR). validated some of the formulations in the form of plant identification and dose determination
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این کارگاه در تاریخ 3 دی 94 در موسسه فناوران جوان خزر برگزار گردید.
۱- آشنایی با انواع اطلاعات و پایگاه های داده
۲- جستجوی موثر با کلیدواژه ها
۳- معرفی موتور های جستجوی مقالات و اسناد آکادمیک ( جستجوی عملی و تحلیل نتایج )
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۵- چگونه مجلات و کنفرانس های مناسب و معتبر پیدا کنیم ؟
۶- ساختار پتنت و نحوه جستجوی آن
۷- آموزش دانلود مقالات و کتاب
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Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
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Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
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http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
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5. • Terpenes are a large and diverse class of organic
compounds, produced by a variety of plants, particularly
conifers.
• some insects such as termites or swallowtail butterflies,
which emit terpenes from their osmeteria. They are often
strong-smelling.
6.
7.
8. • They may protect the plants that produce them by
deterring herbivores and by attracting predators and
parasites of herbivores.
• Many terpenes are aromatic hydrocarbons and thus may
have had a protective function.
9. • The name "terpene" is derived from the word
"turpentine".
• In addition to their roles as end-products in many
organisms, terpenes are major biosynthetic building
blocks within nearly every living creature.
• Steroids, for example, are derivatives of the triterpene
squalene.
10. • When terpenes are modified chemically, such as by
oxidation or rearrangement of the carbon skeleton, the
resulting compounds are generally referred to as
terpenoids.
• Some authors will use the term terpene to include all
terpenoids. Terpenoids are also known as isoprenoids.
11. • The difference between terpenes and terpenoids is that
terpenes are hydrocarbons, whereas terpenoids contain
additional functional groups.
• Isoprene structure
12.
13. • Terpenes are derived biosynthetically from units of isoprene,
which has the molecular formula C5H8. The basic molecular
formulae of terpenes are multiples of that, (C5H8)n where n is
the number of linked isoprenes units.
• The isoprene units may be linked together "head to tail" to form
linear chains or they may be arranged to form rings. One can
consider the isoprene unit as one of nature's common building
blocks.
14.
15. • Active forms of terpenes, isopentenyl pyrophosphate
(IPP or also isopentenyl activated fordiphosphate) and
dimethylallyl pyrophosphate (DMAPP or also
dimethylallyl diphosphate), are the components in the
biosynthetic pathway. IPP is formed from acetyl-CoA
• Through differnts biosynthetic pathways such as
mevalonic acid in the HMG-CoA reductase pathway.
19. • consist of a single isoprene unit.
Isoprene itself is considered the only
hemiterpene, but oxygen-containing
derivatives such as prenol and
isovaleric acid are hemiterpenoids.
20. • consist of two isoprene units and have the
molecular formula C10H16. Examples of
monoterpenes and monoterpenoids
include geraniol, limonene, terpineol and
myrcene.
21. • consist of three isoprene units and have
the molecular formula C15H24. Examples
of sesquiterpenes and sesquiterpenoids
include humulene, farnesenes, farnesol.
22. • are composed of four isoprene units and
have the molecular formula C20H32. They
derive from geranyl pyrophosphate.
Examples of diterpenes and diterpenoids
are cafestol
• Diterpenes also form the basis for
biologically important compounds such as
retinol.
23. • Sesterterpenoids, 5 isoprene units (25C)
• Triterpenoids, 6 isoprene units (30C)
(e.g. sterols)
• Tetraterpenoids, 8 isoprene units (40C)
(e.g. carotenoids)
• Polyterpenoid with a larger number of isoprene
units.
24.
25.
26. • is an important cellular metabolic pathway
present in all higher eukaryotes and many
bacteria.
• It is important for the production of
dimethylallyl pyrophosphate (DMAPP) and
isopentenyl pyrophosphate(IPP)
27. • Many organisms manufacture terpenoids through
the HMG-CoA reductase pathway, which also
produces cholesterol. The reactions take place in
the cytosol. The pathway was discovered in the
1950s.
• The mevalonate pathway or HMG-CoA
reductase pathway or mevalonate-dependent
(MAD) route or isoprenoid pathway , MVA having
formula C6H12O4
28. • which serve as the basis for the biosynthesis of
molecules used in processes as diverse as
terpenoid synthesis
• cell membrane maintenance, hormones, protein
anchoring
and It is also a part of steroid biosynthesis.
29.
30.
31.
32. • Enzymes are biological molecules (proteins) that
act as catalysts and help complex reactions
occur everywhere in life. Let's say you ate a
piece of meat. Proteases would go to work and
help break down the peptide bonds between the
amino acids.
33.
34. • Enzymes are macromolecular biological
catalysts ,Enzymes accelerate, or catalyze,
chemical reactions.
• The molecules at the beginning of the process
are called substrates and the enzyme converts
these into different molecules, called products
35.
36. • A seed contains an embryo plant and a stored
food supply provided for the embryo to develop.
• Germination of the seeds starts with the uptake
of water. As the cotyledons take in the water,
they swell and burst the seed coat (testa). Once
the seeds have enough water, enzymes in the
cotyledons become active
37.
38. • Amylase begins to break down stored starch
molecules to maltose.
• Proteases break down protein molecules into
amino acids.
• Lipase breaks down oil into fatty acids and
glycerol. Maltose, amino acids, glycerol and fatty
acids are soluble, they dissolve in the absorbed
water, and diffuse to the embryo plant, to be
used for food for growth and development.