chemistry

Gorlic acid

Gorlic acid is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Gorlic acid rather than just read about it. In short: Gorlic acid is a long-chain unsaturated carbocyclic fatty acid composed of 18 carbon atoms, featuring a five-membered cyclopentene ring and a cis-double bond in the position 6=7. The chemical formula is C18H30O2.

Key takeaways

Gorlic acid belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Gorlic acid to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Gorlic acid from memory before moving on to harder problems.

Reference excerpt

Gorlic acid is a long-chain unsaturated carbocyclic fatty acid composed of 18 carbon atoms, featuring a five-membered cyclopentene ring and a cis-double bond in the position 6=7. The chemical formula is C18H30O2. In biochemistry, the compound is considered a rare fatty acid that is only found in some plants.

Natural occurrence The acid was initially isolated by French chemists E. André and D. Jouatte in 1928—from the seed oil of a tropical West African tree Oncoba echinata, called "gorli" in the local language, hence the name. The seeds of a large number of shrubs and trees belonging to the plant family formerly called Flacourtiaceae (now Achariaceae and Salicaceae) contain lipids that are characterized by cyclopentenyl fatty acids, one of which is gorlic acid. The concentrations of gorlic acid in the carbohydrates of seed oils are: Hydnocarpus kurzii (22.6–25.1%), Caloncoba echinata (23.3%), Taraktogenos merrilliano (19.7%), Hydnocarpus anthelminticus (14%), Hydnocarpus wightianus (10–13.8%), and others to a lesser extent. Chemically, it's an unsaturated fatty acid with a cyclopentene ring, and often found alongside its isomer, chaulmoogric acid, in traditional remedies from Asia and Africa.

Uses Gorlic acid is a chemical compound that was historically a component of chaulmoogra oil, an ancient traditional medicine used for treating leprosy and other skin disorders. Along with hydnocarpic and chaulmoogric acids, gorlic acid was one of the primary cyclic fatty acids in the oil believed to be responsible for its therapeutic effects. The oil is also used to treat constipation, inflammation, blood disorders, and worm infestations.

See also Chaulmoogric acid Hydnocarpic acid

References

Worked examples

Example 1 — a first encounter with Gorlic acid

Start with the simplest possible case. Write down what Gorlic acid claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Gorlic acid before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Gorlic acid ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Gorlic acid

In research: Gorlic acid appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Gorlic acid in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Gorlic acid is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alkenoic acids, Cyclopentenes, Fatty acids, so understanding it makes those chapters shorter.
In everyday life: Look for Gorlic acid outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Gorlic acid in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Gorlic acid means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Gorlic acid out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Gorlic acid in simple terms?

Why does Gorlic acid matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Gorlic acid?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Gorlic acid.