American Journal of Agriculture and Forestry
Volume 3, Issue 4, July 2015, Pages: 156-160

Utilization of Mangrove Forest Plant: Nipa Palm (Nypa fruticans Wurmb.)

Md. Farid Hossain1, Md. Anwarul Islam2

1School of Agriculture and Rural Development, Bangladesh Open University, Gazipur, Bangladesh

2School of Education, Bangladesh Open University, Gazipur, Bangladesh

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(Md. F. Hossain)
(Md. A. Islam)

To cite this article:

Md. Farid Hossain, Md. Anwarul Islam. Utilization of Mangrove Forest Plant: Nipa Palm (Nypa fruticans Wurmb.). American Journal of Agriculture and Forestry. Vol. 3, No. 4, 2015, pp. 156-160. doi: 10.11648/j.ajaf.20150304.16

Abstract: This review paper discusses the production, uses and importance of Nipa palm (Nypa fruticans Wurmb., Arecaceae). It is a mangrove palm that grows well in ‘Sundarbans’ mangrove forest of Bangladesh. Nipa palm is locally called ‘Golpata’ used for multipurpose such as roof thatching, partitioning, foods, medicinal purposes and as a source of fuel wood. The sugary sap from the inflorescence stalk is used as a source of treacle (molasses), amorphous sugar, vinegar and alcohol. Newly developed shoots are to be used as a vermicide. Ash from Nipa palm is used as an analgesic against tooth pain and headache. Dry leaves, petiole, stem wood, fruit residues etc. are used as fuel. In fishing, rhizomes of Nipa palm are extensively used, facilitating the fishing net to float over the water surface. This palm helps stabilizing soils, protecting against erosion, reducing the forces of cyclones and high sea waves in the coastal zones. The demand of Nipa palm products is increasing day by day in the different countries of the world including Bangladesh.

Keywords: Nipa Palm, Production, Uses, Importance, Mangrove Forest, Bangladesh

1. Introduction

Nipa palm (Nypa fruticans Wurmb., Arecaceae) is an important component of the East Asian mangrove vegetation. It is one of the oldest living palms [1,2]. In Bangladesh, the natural distribution of Nipa palm is restricted to the ‘Sundarbans’, the largest single continuous tract of mangrove forest in the world [3,4]. It grows along coastlines and estuarine habitats in the Indian and Pacific Ocean. It is a stem-less palm with tall erect fronds and underground rhizomatous stem [5] possessing an extensive root system, well suited to resist swift running water [6]. This familiar palm, growing naturally in the coastal areas and the demand of products is increasing day by day in Bangladesh [7]. Total nipa palm (Golpata) production was 320016 mounds in reserve forest of Bangladesh in 2011-2012 [8]. It is used mainly for housing, food, fuel, fence-making, medicine, cigarette wrapping, molasses, wine, fishing etc. The kernels of immature fruits are used as food. Another important product ‘Gur’ (molasses) to be sold, which generally followed a short marketing chain; this product is sold directly to the end-users in villages or in local markets [7]. The role of nipa palm is invaluable for both the rural and urban livelihood economies of Bangladesh. People living around the ‘Sundarbans’ depend on Nipa palm and about 80% of houses in the area are made of Nipa palm [9]. Its sap may be a prospective source for production of sugar, vinegar and alcohol. Nipa palm serves as the first line of defense against the impacts of tsunami, hurricanes, and cyclones that reduce the damages in the coastal zones. The paper is an overview of nipa palm considering origin, distribution, habitat, uses and importance aspect. The information out lined in this article have been collected from different national and international agricultural, food and forest journals, different reports of FAO and visited of useful websites etc.

2. Origin and Distribution of Nipa Palm

It was postulated that this species had an original distribution from Asia extending to Europe, Africa, and America. Its current range is now confined within the tropical Indo-West Pacific region, from Sri Lanka through Asia to Northern Australia and the Western Pacific islands, suggesting changing climatic conditions and/or the loss of versatile genotypes that can tolerate wider environmental conditions [10,11].

3. Nipa Palm in Mangrove Forest

‘Mangroves’ is an ecological term referring to a taxonomically diverse assemblage of trees and shrubs that form the dominant plant communities in tidal and saline wetlands along sheltered tropical and subtropical coasts. Economically, mangroves are a great source of timber, poles, thatch and fuel and the bark is used for tanning materials; some species have food or medicinal value [12]. Nypa fruticans is a species best adapted to grow in mangrove coastal areas with moderate only salt load, and circumscribing quite well the actual areas of occurrence of this palm in the gradient from seawater habitats to inland sites [13]. It is a mangrove palm that grows well in calm estuaries and coastal zones. The species can prevail in a simple channel or complex tributaries, bays, tidal flats and creeks, as long as there is a tide and a freshwater outflow action [14]. Nipa palm usually thrives well in the sediments deposited by an accreting process by the sea, creating a clayish type of soil, with brackish water that promotes an anaerobic system [15]. It grows in soft mud, usually where the water is calmer, but where there is regular inflow of freshwater and nutritious silt. They can be found inland, as far as the tide can deposit the Palm's floating seeds. It can tolerate infrequent inundation, so long as the soil does not dry out for too long. Its horizontal creeping stem stabilizes river banks preventing soil erosion. New fronds emerge quickly after damage and so quickly protect the land after storms and also continuously produce useful products for the locals [16].

4. The Coastal Zone of Bangladesh

The coastal zone covers 19 out of 64 districts/zilas facing or in proximity to the Bay of Bengal, encompassing 153 upazilas [17]. The zone constitutes 32 percent of the area and 28 percent of the population of Bangladesh [18].

Figure 1. The coastal zone of Bangladesh [19].

In 12 of these districts, 51 upazilas face a combination of cyclone risk, salinity and tidal water movement above critical levels and are designated as "exposed coast" (Figure 1, green areas). The coastal zone covers an area from the shore of 37 to 195 kilometers, whereas the exposed coast is limited to a distance of 37 to 57 kilometers [20].

5. Morphology of Nipa Palm

Nipa is a monocious and pleonanthic palm; it also exhibits viviparous germination [21] as in many other mangrove species. The leaves of nipa palm can grow up to 10 m, and arise from a dichotomously branched underground rhizome that grows to about 50 cm in length [1,22]. The species lacks a visible upright trunk, and the leaves appear from the ground. The younger leaves appear from the middle of the crown and push the older leaves aside before they dry and fade away, leaving bulbous leaf bases or scars behind. The diameter of the cluster could be up to 75 cm and a single leaf may attain a height of 8 m. The mature crown may contain 6 to 8 living leaves and 12 to 15 bulbous leaf bases at a time [15].

Figure 2. Nipa palm plant [23].

The collection of leaves normally started from the 6-7 year old plants within the plantation. A slanting cut, maintaining a 45º angle is used. The cutting height above the ground depends on the planting density. If the density is high, cutting is undertaken at 7 or 8 cm above the ground and in case of low density, at 5 or 6 cm. The season of harvesting was January to February as new shoot development begins in March [7].

6. Uses of Nipa Palm

Nipa palm is utilized by humans for several purposes, such as roof thatching, wall partitioning, making of sun hats and mats, foods like edible young seed, aromatic tea from leaf blade, sugar from xylem sap, medicinal purposes, bio-ethanol production, and remediation of heavy metal from polluted sites [24-26]. Newly developed shoots are to be used as a vermicide. Ash from Nipa palm is used as an analgesic against tooth pain and headache. Dry leaves, petiole, stem wood, fruit residues etc. are used as fuel. In fishing rhizomes of Nipa palm are extensively used, facilitating the fishing net to float over the water surface. Farmers also report that Nipa palm in the river or sea attracts deep-water fish. The juice is used for making molasses and alcohol [7]. The tapping of the palm for beverages such as wine or toddy and identify this as an ancient and traditional practice in Pan-Pacific and South and Southeast Asian countries [12,27]. Nipa palm has a great potential for commercial use in housing and medicine in Bangladesh [28]. It is using for housing and other important purposes [29]. The long, pinnate leaves (fronds) provide material for thatching houses. In the Philippines, Malaysia, Indonesia and Thailand the fabrication of thatching panels, called locally 'shingles', 'pawid' or 'atap', is a significant local source of income. Leaflets and midribs are used for manufacturing of brooms, baskets, mats and sunhats. The white endosperm of immature seeds is sweet and jelly-like and is consumed as a snack. The cuticle of young, unfurled leaves has locally been used as cigarette wrapping. Various parts of nipa palm are a source of traditional medicines such as juice from young shoots is used against herpes, ash of burned nipa palm material against toothache and headaches. Nipa palm material also use for salt extraction. The use of the hard shell (mesocarp) in the making of buttons, necklaces and other fashion apparels is successful in Nigeria. Nipa fronds are commonly used as sails by local fishermen [26]. The leaves have traditionally been used for roof thatching and parts are used for making umbrellas, raincoats, hats, mats, brooms, baskets, cigarette wrappers, ropes, and as a source of fuel wood. The sugary sap from the inflorescence stalk is used to make vinegar, and like those of other palms such as the coconut, its sap is also used to make a popular alcoholic beverage better known as "toddy" in Malaysia, India, and Bangladesh. The gelatinous endosperm from the young seeds is edible and can be eaten raw or preserved in ‘heavy syrup’ while the hardened ones from the ripened fruits are used as vegetable ivory and buttons. Parts of the palm like young shoots, decayed wood, and the burned roots and leaves are also used as traditional medicinal remedies for the treatment of headaches, toothaches, and herpes [30]. Before the inflorescence blooms, it is tapped to collect a sweet sap. Young Nipa Palm shoots can be eaten. The petals of the flower can be brewed to make an aromatic tea. The immature fruits are white translucent and hard jelly-like. Called attap chee, they are a common ingredient in local desserts [16]. In South-East Asia, there is a long tradition of using palm sap obtained by tapping the inflorescence stalks (peduncle) as a source of treacle (molasses), amorphous sugar ('gula malacca'), alcohol or vinegar. The slightly fermented sap called 'toddy' ('nera' in Indonesia and Malaysia; 'tuba' in the Philippines) is sold and consumed as local beer. In Papua New Guinea, there is no tradition of using the sap [26].

7. Molasses (Gur) Production from Nipa Palm Sap

Sap is a product of photosynthesis; frond (leaf) biomass is likely related to sap production. Nypa fruticans frond biomass is the crucial factor for sap/sugar production. The growth properties of the nipa fruit stalk, as well as the water status, were shown to affect sap production [31].

Figure 3. Sap collection from Nipa palm plant [32].

Nipa palm is also much valued for the sweet sap tapped from the stalk of the inflorescence. It was reported that tapping normally commences from the Nipa palm shoots after four years and continues up to 15 years or more. The shoots of 9–12 year old stems are reported to be the highest yielding, providing up to 1500–1900 ml of sap per stem per season. The stems of 15 years or more were reported to yield a reduced sap production. The farmers also reported that palms from canals, ditches or riversides gave the highest amount of sap. Tapping began from the first week of December when the fruit begins to mature and turns tan and this was continued up to the next mid-March. The stalk of inflorescence was then pulled down and every morning and evening, a thin slice of stalk was removed and sap collected in a container. It was also reported that 1 kg molasses was produced from 7–8 liters of sap. Most of the farmers were reluctant to tap the stems because of the decline in the quality of leaf production. However, it was observed that10% of the landless farmers tapped the stems for wine [7].

8. Factors Affecting Growth and Sap of Nipa Palm

Nipa palm is a tropical plant. The average minimum temperature in its growing areas is 20°C and the maximum 32-35°C. Its optimum climate is sub-humid to humid with more than 100 mm rainfall per month throughout the year. Nipa palm thrives only in a brackish water environment. It is rarely seen directly on the seashore. Optimum conditions are when the base and the rhizome of the palm are regularly inundated by brackish water. For this reason, nipa palm occupies estuarine tidal floodplains of rivers. The optimum salt concentration is 1-9 per mil. Nipa palm swamp soils are muddy and rich in alluvial silt, clay and humus; they have a high content of various inorganic salts, calcium, and sulphides of iron and manganese, contributing to the typical odour and dark color. The pH is around 5; oxygen content is low with the exception of the topmost layers. Typically, nipa palm forms pure stands, but in some areas it grows mixed with other mangrove trees [26]. In general, mangrove forests are composed of salt-tolerant plant species that have special adaptations to NaCl stress, including salt-filtering roots and salt-excreting glands on leaves [33]. Nipa palm is distributed at mangrove coasts preferably at the hypo saline end of the sea water-inland gradient and extends more upstream than the dicot mangrove trees at the banks of river mouths [10]. In salt-affected glycophytic palm species, Na+ is accumulated in the cells, and plants show toxicity symptoms such as chlorophyll degradation, diminished chlorophyll fluorescence, reduced net photosynthesis, and overall growth inhibition [34,35]. Free proline is an osmolyte that plays a role in osmo-regulatory defense mechanisms in higher plants exposed to salt or drought stress. Free proline accumulation in salt-stressed seedlings of glycophytic palm species has already been investigated [36,33]. The overall growth performance and physiology of 6-month-old seedlings of Nipa palm was unaffected by mild salt stress (8.9−16.6 dS m−1), whereas seedlings grown under severe salt stress (EC = 57.2 dS m−1) had lower chlorophyll content and fluorescence, reduced net photosynthesis and transpiration, which resulted in reduced growth of the plants. Na+ contents in leaf, petiole, and root tissues increased considerably under salt stress, depending upon the NaCl levels in the soil solution. Under salt-stress K+ content declined, whereas Ca2+ content increased somewhat, in parallel to Na+. Free proline accumulated in plants growing under high salt stress (EC = 57.2 dS m−1). In contrast, soluble sugars were enriched under inter-mediate levels of salt stress (EC = 16.6 dS m−1). Nypa fruticans is a species best adapted to grow in mangrove coastal areas with moderate only salt load, and circumscribing quite well the actual areas of occurrence of this palm in the gradient from seawater habitats to inland sites [13]. Sap production would be controlled by the nipa growth and the amount of Na+ in soil. Both the frond biomass surrounding fruit stalk and above-ground biomass are related to sap production. Frond biomass explained the variance of sap production by 48% and above-ground biomass explained by 57%. Sap production will increase by an increase of soil organic matter content and when the influence of brackish water decreases. Sap could be produced more when the farm is managed such that the influence of brackish water is reduced [31]. From recent studies of mangrove mortality at several locations including Guiana, Gambia, Côte d'Ivoire, Kenya, India and Bangladesh, it appears that these coastal ecosystems are so specialized that any minor variation in their hydrological or tidal regimes causes noticeable mortality. Each species of mangrove (but particularly those belonging to the genera Rhizophora, Bruguiera, Sonneratia, Heritiera and Nypa) occurs in ecological conditions that approach its limit of tolerance with regard to salinity of the water and soil, as well as the inundation regime [37]. Sap sugar concentration of Nypa fruticans vary due to collection time. Maximum sugar content (10%) was in November 1996 whereas, minimum sugar content (8%) was found in April 1997 under an experiment at the Chakaria Sundarbans area of Bangladesh [38].

9. Conclusion

Nipa Palm is growing naturally in the coastal areas with a brackish water environment. It sap may be a prospective source for production of sugar, vinegar and alcohol. The role of Nipa palm is important in the coastal areas people’s livelihood of Bangladesh. Multipurpose uses and export potentiality of Nipa palm products can increase the worldwide demand day by day.


The author thanks to Dr. N. M. Talukder, former Professor, Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh, Bangladesh for his valuable suggestions and cordial cooperation.


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