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Pandanus amaryllifolius

Pandanus amaryllifolius is a science 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 Pandanus amaryllifolius rather than just read about it. In short: Pandanus amaryllifolius is a tropical plant in the Pandanus (screwpine) genus, which is commonly known as pandan (; Malay: [ˈpandan]). Its fragrant leaves are commonly used for flavoring in the cuisines of Southeast Asia, some South Asian cuisines (such as Sri Lankan cuisine) and in Hainanese cuisine from China.

Pandanus amaryllifolius — main illustration
Pandanus amaryllifolius — illustration

Key takeaways

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

Reference excerpt

Pandanus amaryllifolius is a tropical plant in the Pandanus (screwpine) genus, which is commonly known as pandan (; Malay: [ˈpandan]). Its fragrant leaves are commonly used for flavoring in the cuisines of Southeast Asia, some South Asian cuisines (such as Sri Lankan cuisine) and in Hainanese cuisine from China.

Occurrence and habitat Pandanus amaryllifolius is a true cultigen, and it is believed to have been domesticated in ancient times. It is sterile and can only reproduce vegetatively through suckers or cuttings. It was first described from specimens from the Maluku Islands, and the rare presence of male flowers in these specimens may indicate that it is the origin of the species. However, as no other wild specimens have been found, this is still conjecture. The plant is grown widely throughout Southeast Asia and South Asia.

Botanical features Though the plant is unknown in the wild, it is widely cultivated. It is an upright, green plant with fan-shaped sprays of long, narrow, blade-like leaves and woody aerial roots. The plant is sterile, with flowers only growing very rarely, and is propagated by cuttings. The characteristic aroma of pandan is caused by the aroma compound 2-acetyl-1-pyrroline, found in the lower epidermal papillae; the compound gives white bread, jasmine rice, basmati rice and bread flowers Vallaris glabra their typical smell.

Use

Culinary

The taste of pandan has been described as floral, sweet, grassy, as well as like vanilla. It often has a subtle flavor or scent. In the Philippines, Indonesia, Vietnam,Cambodia, Malaysia, and Singapore, it is commonly called pandan or pandan wangi (fragrant pandan). The green juice acquired from its leaf is used extensively in Philippine cuisine, Indonesian cuisine, and Malaysian cuisine as green food colouring and flavouring agents that give a pleasant aroma to traditional cakes such as kakanin and kue; including klepon, kue putu, dadar gulung, lapis legit, pandan cake, buko pandan salad, and buko pandan cake. The tied knot of bruised pandan leaf is also added into fragrant coconut rice to enhance the aroma. In Sri Lanka, it is called rambai (Tamil: ரம்பை) or rampe (Sinhala: රම්පේ ; ) and it is grown almost in every household. Most of the Sri Lankan dishes use these leaves for aroma along with curry leaves. In India, it is called annapurna leaves; In Odisha, annapurna leaves are used to lend aroma to rice and pithas, in Bangladesh, it is called pulao pata (পোলাও পাতা); and in the Maldives, it is called ran’baa along with the other variety of pandan there (Pandanus fascicularis), and is used to enhance the flavor of pulao, biryani, and sweet coconut rice pudding, or payesh if basmati rice is not used. It acts as a cheap substitute for basmati fragrance, as one can use normal, nonfragrant rice and with pandan the dish tastes and smells like basmati is used. The leaves are used either fresh or dried, and are commercially available in frozen form in Asian grocery stores of nations where the plant does not grow. They have a nutty, botanical fragrance that is used as a flavor enhancer in many Asian cuisines, especially in rice dishes, desserts, and cakes. The leaves are sometimes steeped in coconut milk, which is then added to the dish. They may be tied in a bunch and cooked with the food. They may be woven into a basket that is used as a pot for cooking rice. Pandan chicken (Thai: ไก่ห่อใบเตย, romanized: kai ho bai toei), is a dish of chicken parts wrapped in pandan leaves and fried. The leaves are also used as a flavoring for desserts such as pandan cake and sweet beverages. Pandan is often used as a flavoring in the Thai dessert khanom thuai. Filipino cuisine uses pandan as a flavoring in some coconut milk-based dishes as well as desserts such as buko pandan. It is also used widely in rice-based pastries such as suman and numerous sweet drinks and desserts. Pandan leaves and their extract have also been used as a food preservative due to their antibacterial and antifungal properties (particularly against mold). In October 2017, celebrity chef Nigella Lawson predicted that pandan would displace popular matcha and avocado toast. While the plant’s visibility on social networks, especially in the United Kingdom, increased in 2017, there was also pushback against reports that described Lawson as "discovering" a "new" ingredient, as pandan has been widely used in Asia for a long time. The green colour extracted from pandan leaves comes from their chlorophyll content which increases in plants that are grown in areas shaded by other trees from direct sunlight. Bottled pandan extract is available in shops and often contains additional green food coloring.

Fragrance and traditional medicine The leaves are used in the perfume industry and traditional medicine. P. amaryllifolius essence may substitute for vanilla essence. Studies have established repellent activity of P. amaryllifolius against American cockroaches (Periplaneta americana L.).

Air freshener The leaves possess a pleasant aroma and can be used as a natural air freshener. In Thailand, cab drivers sometimes use pandan for this purpose.

See also Domesticated plants and animals of Austronesia

References

Further reading Li J. and Ho S.H. (2003). Pandan leaves (Pandanus amaryllifolius Roxb.) as a Natural Cockroach Repellent Archived 10 January 2017 at the Wayback Machine. Proceedings of the 9th National Undergraduate Research Opportunities Programme (2003-09-13). Van Wyk, Ben-Erik (2005). Food Plants of the World. Portland, Oregon: Timber Press, Inc. ISBN 0-88192-743-0

External links

Spices: P. amaryllifolius

Illustrations

Pandanus amaryllifolius illustration
Pandanus amaryllifolius: Pandan cake, a light, soft and fluffy chiffon cake, uses pandan leaf as green colouring and flavouring agent.
Pandan cake, a light, soft and fluffy chiffon cake, uses pandan leaf as green colouring and flavouring agent.
Pandanus amaryllifolius: Buko pandan salad from the Philippines mixes gulaman cubes flavored with pandan leaf extracts with young coconut (buko). It is a common flavor combination in the Philippines and can also be found in buko pandan cake.
Buko pandan salad from the Philippines mixes gulaman cubes flavored with pandan leaf extracts with young coconut (buko). It is a common flavor combination in the Philippines and can also be found in buko pandan cake.

Worked examples

Example 1 — a first encounter with Pandanus amaryllifolius

Start with the simplest possible case. Write down what Pandanus amaryllifolius claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Pandanus amaryllifolius 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 Pandanus amaryllifolius 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 Pandanus amaryllifolius

In research
Pandanus amaryllifolius appears in science 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 Pandanus amaryllifolius 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
Pandanus amaryllifolius is common in secondary-school and first-year university syllabi. It links to neighbouring topics Austronesian agriculture, Pandanus, Southeast Asian cuisine, so understanding it makes those chapters shorter.
In everyday life
Look for Pandanus amaryllifolius 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 Pandanus amaryllifolius in 20 minutes

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

Frequently asked questions

What is Pandanus amaryllifolius in simple terms?

Pandanus amaryllifolius is a tropical plant in the Pandanus (screwpine) genus, which is commonly known as pandan (; Malay: [ˈpandan]). Its fragrant leaves are commonly used for flavoring in the cuisines of Southeast Asia, some South Asian cuisines (such as Sri Lankan cuisine) and in Hainanese cuisi…

Why does Pandanus amaryllifolius matter?

Because it connects several science 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 Pandanus amaryllifolius?

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 Pandanus amaryllifolius.

Tags

  • Austronesian agriculture
  • Pandanus
  • Southeast Asian cuisine
  • Spices
  • Taxa named by William Roxburgh

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