Exploration of yeast communities in fresh coconut, palmyra, and nipa palm saps and ethanol-fermenting ability of isolated yeasts

2020 ◽  
Vol 113 (12) ◽  
pp. 2077-2095
Author(s):  
Savitree Limtong ◽  
Somjit Am-In ◽  
Rungluk Kaewwichian ◽  
Chutima Kaewkrajay ◽  
Sasitorn Jindamorakot
Keyword(s):  
Nipa Palm ◽  
Fresh Coconut

Study on Particleboard made from Nipa palm (Nypa fruticans) stem wood and Rajkoroi (Albizia richardiana) wood

2018 ◽  
Vol 25 (1) ◽  
pp. 15-18
Author(s):  
Md. Mahabubur Rahaman ◽  
◽  
Khurshid Akhter ◽  
S. Hossain ◽  
Md. Rakibul Islam ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Dimensional Stability ◽  
Bending Strength ◽  
Strength Properties ◽  
Wood Chips ◽  
Standard Specification ◽  
Stem Wood ◽  
Nypa Fruticans ◽  
Albizia Richardiana ◽  
Nipa Palm

The study was conducted to find out the suitability of making particleboard using nipa palm (Nypa fruticans) stem wood and rajkoroi (Albizia richardiana) wood chips. Particleboards were fabricated at six different ratios of nipa palm stem and rajkoroi wood chips such as 100:0, 75:25, 50:50, 25:75, 10:90 and 0:100. Characteristics of particleboards such as modulus of rupture, internal bond strength, water absorption, thickness swelling and moisture content were measured. Results shows that particleboards made from 100% rajkoroi wood chips have the highest static bending properties and highest tensile strength properties of other particleboards but 100% nipa palm stem wood chips have the lowest static bending and lowest tensile strength properties of other particleboards. 10% nipa palm stem wood chips particleboard have the highest bending strength and tensile strength is better than 100% nipa palm stem wood chips and other mixing chips of particleboards. Mechanical, water resistance and dimensional stability properties were tested according to Indian standard specification. Tensile strength passed the British and German standard specification and nearest to Bureau of Indian Standard, bending strength was found nearest to Indian Standard but lower than German and British Standard specification. Strength property of rajkoroi wood chips particleboard is higher than nipa palm steam wood chips particleboard but dimensional stability is lower than nipa palm steam wood chips particleboard.

scholarly journals Natural and Anthropogenic Variation of Stand Structure and Aboveground Biomass in Niger Delta Mangrove Forests

2021 ◽  
Vol 4 ◽  
Author(s):  
Chukwuebuka J. Nwobi ◽  
Mathew Williams
Keyword(s):  
Aboveground Biomass ◽  
Niger Delta ◽  
Stand Structure ◽  
Oil Pollution ◽  
Negative Impact ◽  
Forest Degradation ◽  
Total Biomass ◽  
Mangrove Forests ◽  
Area Index ◽  
Nipa Palm

Mangrove forests are important coastal wetlands because of the ecosystem services they provide especially their carbon potential. Mangrove forests productivity in the Niger Delta are poorly quantified and at risk of loss from oil pollution, deforestation, and invasive species. Here, we report the most extensive stem girth survey yet of mangrove plots for stand and canopy structure in the Niger Delta, across tidal and disturbance gradients. We established twenty-five geo-referenced 0.25-ha plots across two estuarine basins. We estimated aboveground biomass (AGB) from established allometric equations based on stem surveys. Leaf area index (LAI) was recorded using hemispherical photos. We estimated a mean AGB of 83.7 Mg ha–1 with an order of magnitude range, from 11 to 241 Mg ha–1. We found significantly higher plot biomass in close proximity to a protected site and tidal channels, and the lowest in the sites where urbanization and wood exploitation was actively taking place. The mean LAI was 1.45 and ranged fivefold from 0.46 to 2.41 and there was a significant positive correlation between AGB and LAI (R2 = 0.31). We divided the plots into two disturbance regimes and three nipa palm (Nypa fruticans) invasion levels. Lower stem diameter (5–15 cm) accounted for 70% of the total biomass in disturbed plots, while undisturbed regimes had a more even (∼25%) contribution of different diameter at breast height (DBH) size classes to AGB. Nipa palm invasion also showed a significant link to larger variations in LAI and the proportion of basal area removed from plots. We conclude that mangrove forest degradation and exploitation is removing larger stems (>15 cm DBH), preferentially from these mangroves forests and creates an avenue for nipa palm colonization. This research identifies opportunities to manage the utilization of mangrove resources and reduce any negative impact. Our data can be used with remote sensing to estimate biomass in the Niger Delta and the inclusion of soil, leaf properties and demographic rates can analyze mangrove-nipa competition in the region.

scholarly journals Production process development of Nipa bowl from Nipa palm (Nypa fruticans Wurmb.) waste by using solar dryer cabinet for sustainability of Palian river basin community

2019 ◽  
Vol 15 (4) ◽  
pp. 593-596
Author(s):  
Noppadon Podkumnerd ◽  
Supranee Wunsri ◽  
Sujint Khairin
Keyword(s):  
Production Process ◽  
River Basin ◽  
Bacterial Contamination ◽  
Process Development ◽  
Drying Methods ◽  
Drying Process ◽  
Nypa Fruticans ◽  
Solar Dryer ◽  
Nipa Palm ◽  
Palm Leaf

The objective of this research was to develop the process for the production of Nipa bowls from Nipa palm (Nypa fruticans Wurmb.) waste by using solar energy. Two types of solar dryer were investigated, (1) solar dryer cabinet (SDC) and (2) solar dryer cabinet coupled with heater (SDCH) and were compared to the traditional sun dryer (SD) method. The results demonstrated that the use of SDCH could reduce the humidity of the Nipa leaves to 15.23 ± 0.78% within 2 hours. This result was statistically significant at 95% confident compared to those results obtained from SDC (49.91 ± 0.78%) and SD (38.66 ± 0.21%). The dried leaves obtained from the three drying methods were tested for bacterial contamination. For SD, the maximum bacteria contamination was 95,000 ± 40,414 cfu/piece which was higher than SDC (480 ± 173 cfu/piece) and SDCH (463 ± 112 cfu/piece) methods. The SDC and SDCH techniques were implemented at Palian river basin community (Ban Na Yod Tong Nipa Palm Leaf Handicraft) in Wang Won Sub-District, Kantang District,Trang Province, Thailand. These techniques could enhance the drying process of Nipa leaves and thus increase the production of Nipa bowls 3.5 times reducing Nipa waste up to 1.83 tons. The villagers could produce approximately 183,000 bowls/year generating an income of more than 55,800 USD for 60 families.

Storage study and quality evaluation of fresh coconut grating

2017 ◽  
Vol 42 (1) ◽  
pp. e13350 ◽  
Author(s):  
Archana Gopalrao Lamdande ◽  
Maya Prakash ◽  
Raghavarao KSMS
Keyword(s):  
Quality Evaluation ◽  
Storage Study ◽  
Fresh Coconut

A Nipa palm in the North American Eocene

1914 ◽  
Vol s4-37 (217) ◽  
pp. 57-60
Author(s):  
E. W. Berry
Keyword(s):  
North American ◽  
The North ◽  
Nipa Palm

scholarly journals Feasibility of Coconut Testa oil and Coconut Waste Cooking oil as Potential Biodiesel Feedstocks

2021 ◽  
Author(s):  
Muhammed Niyas Maliyekkal ◽  
Andavan Shaija
Keyword(s):  
Fatty Acid ◽  
Coconut Oil ◽  
Calorific Value ◽  
Waste Cooking Oil ◽  
Biodiesel Production ◽  
Food Material ◽  
Copper Strip ◽  
Engine Operation ◽  
Cooking Oil ◽  
Fresh Coconut

Abstract It is well known that biodiesel from pure coconut oil is suited best for diesel engine operation. However, the commercialization of coconut oil biodiesel is unfeasible due to its higher cost and demand as a food material. In this study, biodiesels were produced from coconut testa oil and coconut waste cooking oil, two waste feedstock derivatives of coconut. Fatty acid composition and properties such as density, calorific value, kinematic viscosity, cloud and pour points, flash and fire points, Conradson carbon residue, and copper strip corrosion of these two biodiesels were determined and compared with those of fresh coconut oil biodiesel and the standard diesel. It was found that the properties and fatty acid profiles of all three biodiesels were similar. Furthermore, from the engine testing using B20 (diesel-biodiesel blend with 20% biodiesel) blends of prepared biodiesels, it was found that the engine performance, emission, and combustion characteristics were comparable for coconut testa oil and coconut waste cooking oil biodiesels with fresh coconut oil biodiesel. Thus the coconut testa oil and coconut waste cooking oil can be used as low-cost feedstocks for biodiesel production with all advantages of fresh coconut oil.

scholarly journals Palm Sap Sources, Characteristics, and Utilization in Indonesia

2020 ◽  
Author(s):  
Teguh Kurniawan ◽  
Jayanudin ◽  
Indar Kustiningsih ◽  
Mochamad Adha Firdaus
Keyword(s):  
Poor Quality ◽  
Raw Material ◽  
Coconut Tree ◽  
Palm Trees ◽  
Palm Species ◽  
Palm Sugar ◽  
Nipa Palm ◽  
Available Technology

Sap from various species palm trees in which known as neera generally produced by traditional technology in Indonesia. There are 5 well known palm species that produce Neera in Indonesia such as arenga palm, coconut tree, doub palm, nipa palm and palm oil. Neera can be utilized as raw material for various derivatives such as palm sugar, sweet palm toddy, and alcoholic toddy. Tapping ofneera is a crucial step because neera prone to immediately degrade and causing poor quality of palm sugar. Traditional sugar processing has some drawbacks for example: low energy efficiency processing and off-specification products. On the other side, sugar palm neera has important antioxidant component which benefits for human that unavailable in normal white sugar from sugarcane. In this current review, characterization of neera from various palms in Indonesia and available technology on sugar palm processing such as spray dryer and membrane ultrafiltration will be discussed.

scholarly journals Palm Sap Sources, Characteristics, and Utilization in Indonesia

2021 ◽  
Author(s):  
Teguh Kurniawan ◽  
Jayanudin ◽  
Indar Kustiningsih ◽  
Mochamad Adha Firdaus
Keyword(s):  
Poor Quality ◽  
Raw Material ◽  
Coconut Tree ◽  
Palm Trees ◽  
Palm Species ◽  
Palm Sugar ◽  
Nipa Palm ◽  
Available Technology

Sap from various species palm trees in which known as neera generally produced by traditional technology in Indonesia. There are 5 well known palm species that produce Neera in Indonesia such as arenga palm, coconut tree, doub palm, nipa palm and palm oil. Neera can be utilized as raw material for various derivatives such as palm sugar, sweet palm toddy, and alcoholic toddy. Tapping of neera is a crucial step because neera prone to immediately degrade and causing poor quality of palm sugar. Traditional sugar processing has some drawbacks for example: low energy efficiency processing and off-specification products. On the other side, sugar palm neera has important antioxidant component which benefits for human that unavailable in normal white sugar from sugarcane. In this current review, characterization of neera from various palms in Indonesia and available technology on sugar palm processing such as spray dryer and membrane ultrafiltration will be discussed.

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