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Статті в журналах з теми "Palm fruit"

Автор: Grafiati

Опубліковано: 7 червня 2025

Оновлено: 2 серпня 2025

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1

Akbar, Arief Rahmad Maulana, Alan Dwi Wibowo, and Redi Santoso. "Investigation on the Optimal Harvesting Time of Oil Palm Fruit." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 12, no. 2 (2023): 524. http://dx.doi.org/10.23960/jtep-l.v12i2.524-532.

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Анотація:

The selection of the right timing for the harvest of oil palm fresh fruit bunch (FFB) can affect the outcome of the palm fruit quality, which can further imply the quality of crude palm oil (CPO). Truly ripen fruits can boost the yield and quality of crude palm oil. The determination of fruit ripeness is done with an approach to estimating the time of the harvest cycle and the approximate number of palm oil fruits that are detached from their bunches (loose-fruit). The study aimed to investigate the exact harvesting time with variations in the number of palm oil fruits that loose at each addit

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2

Shiddiq, Minarni, Lentina Br Sitohang, Ikhsan Rahman Husein, Sinta Afria Ningsih, Sri Hermonica, and Annisa Fadillah. "HIDUNG ELEKTRONIK BERBASIS SENSOR GAS MOS UNTUK KARAKTERISASI KEMATANGAN BUAH KELAPA SAWIT." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 10, no. 2 (2021): 170. http://dx.doi.org/10.23960/jtep-l.v10i2.170-182.

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The ripeness of oil palm fruits is one of the key factors for crude palm oil qualities. Recently, electronic nose systems have been developed intensively for fruit quality assessment which relates odors to ripeness levels. This study developed an electronic nose system to characterize the ripeness levels of oil palm fruits using output voltage of each sensor and fruit hardness. The system consisted of a sensor chamber and a sample chamber. The sensor chamber consisted of eight MOS gas sensor modules of MQ series. Samples were oil palm fruits taken from oil palm fresh fruit bunches (FFB) which

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3

OGBONNA, SYLANUS IBEABUCHI. "ROLES OF WOMEN IN OIL PALM FRUIT PROCESSING IN IMO STATE, NIGERIA." Nigerian Journal of Agriculture and Agricultural Technology 2, no. 2 (2022): 33–44. http://dx.doi.org/10.59331/njaat.v2i2.26.

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The study assessed roles of women in the processing of oil palm fruit in Imo State, Nigeria. Specifically, the study described socio-economic characteristics of women palm fruit processors; identified processing methods and equipment used by them to process oil palm fruits; identified their roles in oil palm fruit processing; determined socio-economic factors that influence amount of income realized from palm fruit processing; and identified constraints faced by them in oil palm fruit processing. Multi-stage sampling procedure was used to select 150 women processors. Data collected through use

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4

Tanjung, Aristu Fahri, Tengku Mohd Diansyah, and Rismayanti Rismayanti. "Pemanfaatan Algortima K-Means Clustering Sebagai Pengamanan Pencurian Buah Kelapa Sawit Se-Distrik Tandun PT. Perkebunan Nusantara V." JURNAL MEDIA INFORMATIKA BUDIDARMA 3, no. 4 (2019): 351. http://dx.doi.org/10.30865/mib.v3i4.1443.

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Oil palm fruit theft at PT. Perkebunan Nusantara V still occurs frequently, especially in one district, Tandun District which has 6 oil palm and rubber plantations. The high rate of theft of oil palm fruit causes a decrease in the production of oil palm fruit and palm kernel. This study discusses the use of the K-Means Clustering algorithm as one of the data mining algorithms in grouping data on palm oil theft in the oil palm plantation area of Tandun District. With a number of theft data, this study enables the discovery of the potential for theft of oil palm fruit in the location of oil palm

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5

Febrianton, Adi. "Perancangan Mesin Perontok Tandan Buah Kelapa Sawit Yang Restan." Jurnal Teknik Industri Terintegrasi 6, no. 4 (2023): 1251–59. http://dx.doi.org/10.31004/jutin.v6i4.20188.

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Threshing is the post-harvest handling stage after the harvesting process. Threshing is an integral part of the palm post-harvest handling process. The harvested oil palms are threshed to separate the fruit from the bunches. The threshing process is carried out so that small oil palm fruits or oil palm fruit bunches weighing below 5 kg can be accepted at the palm oil mill. Generally, the weight of fresh fruit bunches (FFB) under 5 kilograms is not sold, so before being taken to the palm oil mill, it must be threshed first so that the palm oil becomes brondolan or grains of palm oil that can be

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6

Nnamani, N. G., and O. Okereke. "Intensity of palm fruit processing technology-use among palm fruits’ processors in onicha local government area in Ebonyi State, Nigeria." Agro-Science 21, no. 4 (2023): 63–68. http://dx.doi.org/10.4314/as.v21i4.10.

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The study analyzed intensity of technology-use among palm fruits’ processors in Onicha Local Government Area in Ebonyi State, Nigeria. Specifically, the study described the intensity of technologies-use in oil palm processing in the area; ascertained the determinants of method of processing used by oil palm fruit processors and examined the constraints to oil palm fruits processing in the study area. Purposive sampling procedure was employed to select 58 respondents for the study. Data were analyzed using descriptive analysis (frequency, percentage, mean) and logit analysis. Logit analysis ind

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7

Akbar, A. R. M., A. D. Wibowo, and P. I. Prabandari. "Determining the Optimal Harvesting Time of Fresh Fruit Bunches Based on the Yield of Oil and Carotene." IOP Conference Series: Earth and Environmental Science 1290, no. 1 (2024): 012047. http://dx.doi.org/10.1088/1755-1315/1290/1/012047.

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Abstract The timing of harvesting oil palm fruit might affect the quality of the oil palm product. Mostly, The approximate number of palm oil fruits that have broken off from their bunches (loose-fruit) is usually used to measure the ripeness of fruit. The goal of this study was to establish the ideal harvesting period with variations in the amount of palm oil fruits that were loose from their bunches using two indicators: oil yield and carotene content. The variance was dependent on one factor: the number of days after the fruit was discovered unfastened from its bunch. The results showed tha

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8

Saputra, Andri, Wahyu Candra, Yan Soerbakti, Romi Fadli Syahputra, Defrianto Defrianto, and Saktioto Saktioto. "STUDI AWAL GRADING BUAH SAWIT DENGAN BANTUAN INJEKSI TEGANGAN LISTRIK SEARAH." Komunikasi Fisika Indonesia 16, no. 2 (2019): 103. http://dx.doi.org/10.31258/jkfi.16.2.103-106.

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Maturity progress of palm fruit is greatly depending on the availability of nutrients and environments. Determining maturity level of palm fruit is important to evaluate the quality of palm oil fruits. The younger or too mature fruits will produce poor quality of crude palm oil (CPO). An appropriate devices are needed that can measure the level of fruit maturity so that uniformity of maturity grade can be carried out to obtain high quality CPO. This research provides a preliminary study of voltage change on the surface of oil palm seeds which subjected by electric potential. The low directiona

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9

Sanusi, J. F. O., A. O. Sakariyau, and A. O. Sirajudee. "Microbiological Quality, Aflatoxin Level, Phytochemical Compounds, Antioxidant Potential And Proximate Mineral Composition Of Date Palm Fruits (Phoenix dactylifera L.)." Advances in Multidisciplinary and scientific Research Journal Publication 8, no. 2 (2022): 17–28. http://dx.doi.org/10.22624/aims/v8n2p5.

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Date palm fruits are edible fruits widely consumed for nutritional and health benefits. The microbiological quality, aflatoxin level, phytochemical compounds, antioxidant potential and proximate mineral composition of Refined Arabian Date Palm Fruit (RADPF), Nigeria Date Palm Fruit (NDPF) and Black Arabian Date Palm Fruit (BADPF) were investigated. Microbial counts, aflatoxin level, phytochemical components and proximate mineral composition were determined using standard methods while antioxidant potential was determined using DPPH free radical scavenging, Ferric Reducing Power and Total Pheno

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10

ADETOLA, Olufemi Adeyemi. "Selected Physical, Mechanical and Chemical Properties of Fresh Fruit Bunches for Processing of Palm Oil." ABUAD Journal of Engineering and Applied Sciences 2, no. 1 (2024): 82–88. http://dx.doi.org/10.53982/ajeas.2024.0201.12-j.

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Data on engineering properties of palm fruits enable the design of machinery for optimal production of palm oil. Specific physical, chemical, and mechanical characteristics of fresh fruit bunches are examined in this study. Fresh palm fruit's selected mechanical, chemical, and physical characteristics were determined using standard formulas and equations. One hundred fresh fruit bunch samples were used to ascertain the physical characteristics of the fruit bunches. While the chemical properties were ascertained using suggested standard equations and formulae, the fresh fruit bunches were teste

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11

Guna Dharma, Aditya, Iwan Purnama, and Budianto Bangun. "Implementation of Convolutional Neural Network Algorithms to Detect the Ripeness of Palm Fruits based on Image Colors." International Journal of Science, Technology & Management 5, no. 4 (2024): 916–22. http://dx.doi.org/10.46729/ijstm.v5i4.1153.

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The ripeness of oil palm fruit greatly affects the quality of the oil produced. Usually, humans manually detect the maturity of oil palm fruit, a process that can be inconsistent and time-consuming. Therefore, there is a need for automated methods that can improve accuracy and efficiency in determining the maturity of oil palm fruit. The study proposes using the Convolutional Neural Network algorithm to detect oil palm fruit maturity based on digital color images. We expect a convolutional neural network, known for its effectiveness in image analysis, to deliver accurate results in classifying

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12

ARIFIYANTO, DENI, MOHAMMAD BASYUNI, SUMARDI SUMARDI, et al. "Short Communication: Occurrence and cluster analysis of palm oil (Elaeis guineensis) fruit type using two-dimensional thin layer chromatography." Biodiversitas Journal of Biological Diversity 18, no. 4 (2017): 1487–92. http://dx.doi.org/10.13057/biodiv/d180426.

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Arifiyanto D, Basyuni M, Sumardi, Putri LAP, Siregar ES, Risnasari I, Syahputra I. 2017. Short Communication: Occurrence and cluster analysis of palm oil (Elaeis guineensis) fruit type using two-dimensional thin layer chromatography. Biodiversitas 18: 1487- 1492. The problems that have been faced by palm oil breeders are the length of time and high costs to discover the type of palm oil (Elaeis guineensis) fruit namely Dura, Pisifera, or Tenera, before using as a seed parent. These conditions are ineffective and add to the cost of maintenance and the production of seedling is more expensive. T

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13

Daniel, Daniel, Siti Zahrah, and Fathurrahman Fathurrahman. "APLIKASI LIMBAH CAIR PABRIK KELAPA SAWIT DAN NPK ORGANIK PADA TANAMAN TIMUN SURI (Cucumis sativus L.)." DINAMIKA PERTANIAN 33, no. 3 (2019): 261–74. http://dx.doi.org/10.25299/dp.2017.vol33(3).3839.

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The study aimed to determine the effect of interaction between palm oil mill and organic NPK liquid waste doses on the growth and production of Suri Cucumber plants. The design used in this study was a Factorial Completely Randomized Design consisting of 2 factors. The first factor is palm oil mill effluent with a dose of 0, 100, 200, 300 ml/plant while the second factor is organic NPK with a dose of 0, 5, 10, 15 grams/plant. The parameters observed were flowering age, age of the first harvest, number of fruit crops, the weight of fruit per fruit, weight of fruit per plant. The last observatio

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14

Sari, Wulan Kumala. "IDENTIFICATION THE ABNORMALITIES OF FLOWER AND FRUIT IN OIL PALM (Elaeis guineensis Jacq.) FROM TISSUE CULTURE CLONE AND D×P SUNGAI PANCUR VARIETY." Jurnal Agrotek Tropika 12, no. 4 (2024): 907. https://doi.org/10.23960/jat.v12i4.7486.

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Since the last few decades, plant propagation by tissue culture techniques have been developed for oil palm crops, but it often happens somaclonal variation that causes abnormal phenomena in oil palm flowers and fruits. Therefore, the purposes of this research were to identify the morphological characters of abnormal flowers and fruits, and to determine the types of abnormality of oil palm fruit derived from tissue culture cloned compared to D×P Sungai Pancur hybrid variety. This research was conducted at the educational field of Indonesian Oil Palm Research Institute (IOPRI) located in Sungai

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15

Filardi, Christopher E., and Joshua Tewksbury. "Ground-foraging palm cockatoos (Probosciger aterrimus) in lowland New Guinea: fruit flesh as a directed deterrent to seed predation?" Journal of Tropical Ecology 21, no. 4 (2005): 355–61. http://dx.doi.org/10.1017/s0266467405002336.

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Fruit traits that selectively deter vertebrate seed predators without affecting high-quality seed dispersers are said to exhibit directed deterrence. Directed deterrence has been criticized as being unlikely in natural systems, but has rarely been explicitly tested. We evaluated the potential for directed deterrence to explain the double-layered viscous fruit morphology and fruiting phenology of Terminalia impediens, a common canopy tree endemic to New Guinea. The large fleshy fruits of this tree are consumed and dispersed by cassowaries (Casuarius spp.) and are consumed and killed by palm coc

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16

Santos, Marcos Antônio Souza dos, Daniellen Costa Protázio, Gabriela Pereira da Costa, et al. "Profile of peach palm fruit consumers in the Metropolitan Region of Belém, Pará, Brazilian Amazon." International Journal for Innovation Education and Research 9, no. 1 (2021): 550–60. http://dx.doi.org/10.31686/ijier.vol9.iss1.2929.

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People in the Amazon highly value the fruit of the peach palm (Bactris gasipaes Kunth), but its commercialization is hampered because of consumers’ difficulty in identifying fruit of good quality. This study seeks to evaluate the behavior of peach palm fruit consumers in municipalities in the Belém Region in Pará State by conducting a survey of 200 consumers. Peach palm consumption frequency is low, and it has not grown over the past five years in the largest proportion of consumers. The attributes most consumers looked for when purchasing peach palm were its external aspects, displaying a pre

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17

Wan Said, Wan Zailah, Mohamed Ayman Mardini, Noor Idayu Mohd Tahir, et al. "Optimization of Artificial Neural Networks using Genetic Algorithm for Palm Fruit Ripeness Classification." Journal of Advanced Research Design 127, no. 1 (2025): 67–83. https://doi.org/10.37934/ard.127.1.6783.

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The cultivation of oil palm has become a major contributor to vegetable oil production, playing a crucial role in meeting the global demand for food in the agricultural industry. The efficiency of palm oil extraction heavily relies on accurate fruit ripeness classification, which is traditionally performed manually. Accurate assessments of oil palm fruit maturity levels before processing are crucial for Malaysian producers and exporters. This report outlines a machine-learning approach for sorting palm fruit by utilizing an artificial neural network (ANN) and optimizing its performance via a g

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18

Amatullah, Luthfiasari, Tri Nur Cahyaningrum, and Anisa Nur Fidyaningsih. "Antioxidants Effectivity In Skin Lotion Formulation Of Mesocarp Fruit Extract Lontar (Borassus Flabellifer) Against White Rats Wistar Male In-Situ." JPSCR : Journal of Pharmaceutical Science and Clinical Research 2, no. 01 (2017): 25. http://dx.doi.org/10.20961/jpscr.v2i01.5236.

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<p>Study of bioactive mesocarp on palm fruits has been conducted previously. Therefore, this research aims to make a preparation of antioxidant skin lotion palm fruit mesocarp (<em>Borrasus flabellifer</em>) and to evaluate the effects of antioxidants on skin preparation lotion palm fruit (<em>Borrasus flabellifer</em>) by In-situ.</p><p>This study was an experimental study by making a preparation of skin lotion on the stability of the corresponding and testing the antioxidant treatment with a sample of 30 rats male wistar strain. The antioxidant test

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19

Ma, Dunshea, and Suleria. "LC-ESI-QTOF/MS Characterization of Phenolic Compounds in Palm Fruits (Jelly and Fishtail Palm) and Their Potential Antioxidant Activities." Antioxidants 8, no. 10 (2019): 483. http://dx.doi.org/10.3390/antiox8100483.

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Palm fruits have gained growing attention for their nutrition values and health promotion perspectives. They have a diverse range of bioactive compounds including carotenoids, vitamins, dietary fibres and especially polyphenolic compounds. These polyphenolic compounds contribute to the putative health benefits of palm fruits. Nevertheless, the detailed information about these polyphenols in palm fruits is limited. The present work was conducted to comprehensively characterize polyphenols in two palm fruits, jelly palm (Butia ordorata) and fishtail palm (Caryota uren), using liquid chromatograp

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20

Mohd, Zulfahmi Mohd Yusoff, Zamri A., Z. A. Abd Kadir M., Z. Wan Hassan W., and Azis N. "Development of integrated loose fruit collector machine for oil palm plantations." Bulletin of Electrical Engineering and Informatics 9, no. 2 (2020): 500–506. https://doi.org/10.11591/eei.v9i2.2087.

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Oil palm loose fruit have always been part of oil palm harvesting operation. The current manual loose fruit collection by hand picking or raking is contributing to the minimum productivity and large amounts of debris. Effort in future shall be explored for the potential machine or system to collect the loose fruit in the field with the result of clean loose fruit. A new machine for loose fruit collection is being developed and examined which knows as integrated oil palm loose fruit collection machine for collecting loose fruit from the palm base. Consist of three main integrated stages; the su

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21

Rizki, Fahrizal, Eka Irawan, and M. Safii. "PENERAPAN METODE REGRESI LINEAR SEDERHANA DALAM MEMPREDIKSI TANDAN BUAH SEGAR MASUK DI PKS DOLOK ILIR." Jurnal Manajamen Informatika Jayakarta 4, no. 1 (2024): 28. http://dx.doi.org/10.52362/jmijayakarta.v4i1.1301.

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Oil palm is a very important crop in the agricultural sector today. This is because oil palm is the country's largest foreign exchange earner as well as a driver of the people's economy and plays a role in employment. Dolok Ilir Palm Oil Mill is one of the business units of PT Perkebunan Nusantara 4 which is engaged in the palm oil sector. As a plantation that has a palm oil processing plant, PKS Dolok Ilir also processes palm oil from other PTPN IV plantation units. Fresh fruit bunches entering the Dolok Ilir PKS are still difficult to predict. The high number of incoming Fresh Fruit Bunches

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22

Alabi, Dorcas Lola, Michael Famakinwa, and Oluwakemi Esther Akinnawonu. "Involvement of rural households in oil palm (Elaeis guineensis) fruits postharvest activities in Ondo State, Nigeria." Journal of Agricultural Extension 24, no. 1 (2020): 42–53. http://dx.doi.org/10.4314/jae.v24i1.5.

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The study assessed the involvement of rural households in oil palm fruits post-harvest activities (PHAs) in Ondo State, Nigeria. Specifically, examined their perception towards involvement in oil palm fruits PHAs; identified oil palm fruit PHAs respondents were involved in; determined their level of involvement in those activities and identified constraints associated with their involvement. A multi-stage sampling procedure was used to select 120 processors from selected 3 LGAs in Ondo State. Data were collected using structured interview schedule and summarized with percentages, means and sta

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23

Hinkaew, Jeerawan, Amornrat Aursalung, Yuraporn Sahasakul, Nattapol Tangsuphoom, and Uthaiwan Suttisansanee. "A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques." Molecules 26, no. 8 (2021): 2245. http://dx.doi.org/10.3390/molecules26082245.

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Date palm fruit (Phoenix dactylifera L.) is commonly consumed around the world and has recently become an economical crop in Eastern Thailand, especially the Barhi cultivar that can be consumed as fresh fruit. To maintain genetic qualities, date palm is populated through cell culture. This leads to high production costs, while access to this technique is limited. Increasing date palm population by simple seed planting is currently of interest as an alternative for local farmers. Nevertheless, information on nutritive values, bioactive compounds, and health-promoting bioactivities of seed origi

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24

El-Mardi, M. O., A. E. Pillay, J. R. Williams, et al. "Influence of Alternate Bearing on Leaf and Fruit Mineral Composition at Different Developmental Stages of Date Palm Fruits." Journal of Agricultural and Marine Sciences [JAMS] 10, no. 1 (2005): 5. http://dx.doi.org/10.24200/jams.vol10iss1pp5-12.

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Samples of leaflets and fruits at different stages were collected from 6 “on-palms” and 6 “off-palms” (15-16 years) of the Fard Cultivar. Samples were dried, ashed and digested. Macro and micronutrient concentrations of K, Ca, Mg,Na, Fe, Zn, Cu and Mg were determined by ICP-AES and N was measured by Kjeldhal method. Significant changes in the elemental concentrations of leaf and fruit occurred between Kimri (green color) and Bisir (yellowish-red color) development stages. Potassium and Mg concentration was reduced in leaf and fruit. Calcium and Na were reduced in the fruit and increased in the

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25

Onstein, Renske E., Daphne N. Vink, Jorin Veen, et al. "Palm fruit colours are linked to the broad-scale distribution and diversification of primate colour vision systems." Proceedings of the Royal Society B: Biological Sciences 287, no. 1921 (2020): 20192731. http://dx.doi.org/10.1098/rspb.2019.2731.

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A long-standing hypothesis in ecology and evolution is that trichromatic colour vision (the ability to distinguish red from green) in frugivorous primates has evolved as an adaptation to detect conspicuous (reddish) fruits. This could provide a competitive advantage over dichromatic frugivores which cannot distinguish reddish colours from a background of green foliage. Here, we test whether the origin, distribution and diversity of trichromatic primates is positively associated with the availability of conspicuous palm fruits, i.e. keystone fruit resources for tropical frugivores. We combine g

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26

Ali, A. D., Don R. Hodel, Manny Nassar, and Len Burkhart. "Palm Fruit Management." Proceedings of the Florida State Horticultural Society 136 (April 14, 2025): 199–201. https://doi.org/10.32473/fshs.136.1.138589.

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Four studies were conducted in South Florida and in Southern California to evaluate the growth regulator dikegulac-sodium (Atrimmec®) for palm fruit elimination. Species tested were queen palms [Syagrus romanzoffiana (Cham.) Glassman] and coconut palms Cocos nucifera L. in Florida; Mexican fan palms Washingtonia robusta H. Wendl. and date palms Phoenix dactylifera L. in California. Dikegulac-sodium was applied either as a trunk injection or basal soil drench. Evaluations were made of quantity of inflorescences, infructescences, and date yields. No significant differences were noted in any of t

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27

Prihatiningtyas, Indah, Eko Heryadi, Ridho Ramadhan, Agus Purnomo, Alfiyya Alfiyya, and Hilham Abdullah. "PROCESSING AND CHARACTERIZATION OF OIL PALM LOOSE FRUITS AS A RAW MATERIAL FOR BIODIESEL." Chimica Didactica Acta 12, no. 1 (2024): 6–11. http://dx.doi.org/10.24815/jcd.v12i1.34955.

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The main product of oil palm plantations is oil palm fresh fruit bunches, however there is oil palm loose fruits which is detached from the ripe fresh fruit bunch or found during the process of cutting at harvest. Biodiesel could be obtained by processing crude palm oil (CPO) with trans-esterification process, however CPO is an important source of food, especially for cooking oil. Biodiesel production as a source of new renewable energy increases, hence it could threat the food security programs. The oil palm loose fruits as an industrial waste were investigated for renewable energy sources to

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28

Misron, Norhisam, Nisa Syakirah Kamal Azhar, Mohd Nizar Hamidon, Ishak Aris, Kunihisa Tashiro, and Hirokazu Nagata. "Fruit Battery with Charging Concept for Oil Palm Maturity Sensor." Sensors 20, no. 1 (2019): 226. http://dx.doi.org/10.3390/s20010226.

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There are many factors affecting oil extraction rate (OER) but a large contributor to high national OER is by processing good-quality fresh fruit bunches (FFB) at the mills. The current practice for grading oil palm fruit bunches in mills is using human graders for visual inspection, which can lead to repeated mistakes, inconsistent evaluation results, and many other related losses. This study aims to develop a fruit maturity sensor that can detect oil palm fruit maturity grade and send indication to the user whether to accept or reject the bunches. This study focuses on fruit battery principl

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29

Harmiansyah, E. P. Sembiring, E. T. Oviana, and Supriyanto. "Detection of new oil palm fruit bunches based on deep learning." IOP Conference Series: Earth and Environmental Science 1379, no. 1 (2024): 012003. http://dx.doi.org/10.1088/1755-1315/1379/1/012003.

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Abstract The Indonesian oil palm plantation experiences a production rate of fresh fruit bunches and crude palm oil (CPO) influenced by the quality of fruits with excellent and uniform maturity accepted by the palm oil processing factory. The uniformity of fruit quality produced from the harvesting process through fruit maturity criteria, namely fractions 00, fraction 1, fraction 3, and fraction 4, necessitates the need for maturity detection based on deep learning with a pre-trained YOLOv5 model capable of detecting the maturity of new oil palm fruit bunches. The aim is to develop a deep lear

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Mohamed ARBA, Lahcen OUMOU, and Ahmed SABRI. "Fruit set in Majhoul date palm and fruit drop by chemical thinning." World Journal of Advanced Science and Technology 4, no. 1 (2023): 001–9. http://dx.doi.org/10.53346/wjast.2023.4.1.0068.

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Date palm is very cultivated in Draa-Tafilalet area (the southeastern part of Morocco). The variety diversity is rich and include commercial varieties such as ‘Majhoul’ and ‘Bouffegous’. Fruit thinning consists of reducing the fruit load of date palm in order to obtain a balance between yield and fruit quality and to avoid alternating production. Naphthalene acetic acid (NAA) spray is used on date palm to induce fruit drop. Chemical thinning with NAA has been the subject of several research studies, which have focused on the effectiveness of the operation, the doses used and the periods of its

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31

Basyuni, Mohammad, Nofrizal Amri, Lollie Agustina Pancawaraswati Putri, Indra Syahputra, and Deni Arifiyanto. "Characteristics of Fresh Fruit Bunch Yield and the Physicochemical Qualities of Palm Oil during Storage in North Sumatra, Indonesia." Indonesian Journal of Chemistry 17, no. 2 (2017): 182. http://dx.doi.org/10.22146/ijc.24910.

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This study examines the fresh fruit bunch (FFB) yield and the effect of fruit storage on the quality of palm oil in Bangun Bandar Estate, Dolok Masihul, North Sumatra, with special reference to the physicochemical parameters. The quality of palm oil is mostly determined by the color, free fatty acids (FFAs), moisture, impurities, carotene content, and deterioration of bleachability index (DOBI). The palm fruits were stored in a refrigerator for 0, 7, 14, 21, and 28 days after harvesting before analyzing their carotenoid content, DOBI, FFAs, moisture, and impurities. The results showed that the

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Nubun, Casey Anak, and Samuel Lihan. "Potential Pathogenic Bacteria in Loose Oil Palm Fruit (LOPF) from Smallholdings in Serian, Sarawak." Asian Journal of Medicine and Biomedicine 6, S1 (2022): 143–46. http://dx.doi.org/10.37231/ajmb.2022.6.s1.566.

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Oil palm (Elaeis guineensis) is a species of palm tree cultivated mainly for its oil. Malaysia is the second largest producer of oil palm behind Indonesia. During the harvesting of oil palm fruit bunch, some over ripped fruits will get detached from the fruit bunch and these loose fruits will be contaminated with bacteria from the soil. Collecting the loose fruits from the ground is normally done manually by hand and this may allow the transmission of bacteria from the soil to the workers.  According to Table 1, this study reported on the microbial contents of the oil palm loose fr

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Rahmawati, Yosy, Mia Rizkinia, and Fitri Yuli Zulkifli. "Development of frequency modulated continuous wave radar antenna to detect palm fruit ripeness." Bulletin of Electrical Engineering and Informatics 14, no. 3 (2025): 1808–19. https://doi.org/10.11591/eei.v14i3.8749.

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Oil palm fruits farmers in Indonesia have determined the ripeness of oil palm fruits in the traditional way, namely using human eye visuals, which have the weakness of inconsistent levels of accuracy and are prone to errors. The development of increasingly sophisticated technology will help oil palm fruits farmers recognize the characteristics of fruit maturity. Advanced technology, such as frequency modulated continuous wave (FMCW) radar, can assist farmers in accurately identifying fruit maturity. To ensure high accuracy and sensitivity, an antenna with low side lobe level (SLL), high gain,

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Yermia, Winiati Pudji Rahayu, Nugraha Edhi Suyatma, Tjahja Muhandri, and Eko Hari Purnomo. "Chemical and thermal properties of sugar palm fruits (Arenga pinnata) at different maturity levels." BIO Web of Conferences 169 (2025): 01012. https://doi.org/10.1051/bioconf/202516901012.

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Arenga pinnata plant produces a large amount of fruit, both young and matured. However, the utilization of sugar palm fruit remains limited. Young sugar palm fruit is generally processed into sweets, while matured sugar palm fruit is often discarded as waste. To optimize the utilization of sugar palm fruit, this study aimed to analyze its chemical composition and thermal properties. The chemical composition included water content, ash, fat, protein, carbohydrates, and crude fiber, while the thermal properties were analyzed using differential scanning calorimetry (DSC) to measure the melting te

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Mustaffa, Aiman, Faiz Arith, Nurin Izzati Fauzi Peong, et al. "Segregation of oil palm fruit ripeness using color sensor." Indonesian Journal of Electrical Engineering and Computer Science 25, no. 1 (2022): 130. http://dx.doi.org/10.11591/ijeecs.v25.i1.pp130-137.

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Oil palm is an important industry that has contributed to income and support to the economic sector especially for Malaysia and Indonesia. However, most of the equipment in the oil palm industry is still operated manually. This work developed a system to separate bunches of oil palm fruit using color sensors according to maturity level. Fruit color plays a decisive point in determining fruit maturity. Here, a specific threshold point of red green blue (RGB) was obtained for the determination of the maturity level of oil palm fruit. Point values of &lt; 120, 120 &lt; x &lt; 150 and

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Mustaffa, Aiman, Faiz Arith, Nurin Izzati Fauzi Peong, et al. "Segregation of oil palm fruit ripeness using color sensor." Indonesian Journal of Electrical Engineering and Computer Science 25, no. 1 (2022): 130–37. https://doi.org/10.11591/ijeecs.v25.i1.pp130-137.

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Анотація:

Oil palm is an important industry that has contributed to income and support to the economic sector especially for Malaysia and Indonesia. However, most of the equipment in the oil palm industry is still operated manually. This work developed a system to separate bunches of oil palm fruit using color sensors according to maturity level. Fruit color plays a decisive point in determining fruit maturity. Here, a specific threshold point of red green blue (RGB) was obtained for the determination of the maturity level of oil palm fruit. Point values of < 120, 120 < x < 150 and > 150 rep

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Aljuburi, Hameed J., Hasan Al-Masry, and Saeed A. Al-Muhanna. "479 Fruit Characteristics and Productivity of Date Palm Trees (Phoenix dactylifera L.) as Affected by Some Growth Regulators." HortScience 35, no. 3 (2000): 476E—477. http://dx.doi.org/10.21273/hortsci.35.3.476e.

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Date palm trees are among the most plentiful fruit trees in the Arabian Gulf States. Bioregulators have been used for the improvement of quality and productivity of date plam tree fruits. Application of gibberellic acid (GA3), naphthalene acetic acid (NAA), and ethephon, separately or in a mixture, has significant effects on fruit set, fruit dry matter percentage, fruit soluble percentage, fruit ripening, and yield of date palm trees. A study was conducted to assess relative effectiveness of GA3, NAA, ethephon, and a mixture of growth regulators on some fruit characteristics, and productivity

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Hamid, Abdullah, Rusmin Saragih, and Siswan Syahputra. "Measuring the Maturity Level of Oil Palm Fruit For CPO Production Based on Color With Using the LVQ Method." Journal of Artificial Intelligence and Engineering Applications (JAIEA) 3, no. 1 (2023): 255–61. http://dx.doi.org/10.59934/jaiea.v3i1.303.

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Palm oil is a very important commodity besides oil and gas which also has a fairly good export value. The palm oil produced must be supported by the quality standards set by SNI. The level of maturity when harvesting oil palm fruit greatly influences the quality of Crude Palm Oil (CPO) production, which is crude palm oil that has a reddish color obtained from extraction or from the pressing process of oil palm fruit flesh. In fact, in the field of oil palm fruit harvest, there are still many oil palm fruit that are not ripe enough and can even be said to be still raw, entering the CPO producti

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Odewale, J. O., Collins Agho, and E. I. Eziashi. "Notes on the Floral Biology and Fruiting of Cycad Circinalis in Nigeria." Greener Journal of Biological Sciences 2, no. 3 (2012): 40–42. https://doi.org/10.15580/gjbs.2012.3.102712160.

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The Cycas circinalis was first officially introduced into Nigeria by the Nigerian Institute for Oil Palm Research (NIFOR), Benin City. It belongs to the Division: Cycadophyta, Class: Cycadopsida, Order Cycadales, family Cycadaceae and genera Cycas. It was first recognized as a separate species in 1995. It is also known as Sago palm, Fern palm, Cycad or Starch palm. The floral biology of the plant is cone like as other cones in the Order Cycadales, the cone has the whorl of premature pinnate fronds embedded within the cone. This cone opens up and spreads out as the inflorescence reaches anthesi

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Akhter, Md. Shamim, Sheikh Julfikar Hossain, SK. Amir Hossain, and Rakesh Kumar Datta. "Isolation and Characterization of Salinity Tolerant Azotobacter sp." Greener Journal of Biological Sciences 2, no. 3 (2012): 43–51. https://doi.org/10.15580/gjbs.2012.3.110312207.

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Анотація:

The Cycas circinalis was first officially introduced into Nigeria by the Nigerian Institute for Oil Palm Research (NIFOR), Benin City. It belongs to the Division: Cycadophyta, Class: Cycadopsida, Order Cycadales, family Cycadaceae and genera Cycas. It was first recognized as a separate species in 1995. It is also known as Sago palm, Fern palm, Cycad or Starch palm. The floral biology of the plant is cone like as other cones in the Order Cycadales, the cone has the whorl of premature pinnate fronds embedded within the cone. This cone opens up and spreads out as the inflorescence reaches anthesi

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Elkosary, S., S. F. El-Sharabasy, A. M. Abdallatif, and M. M. Amin. "Enhancing yield and fruit quality of date palm (Phoenix dactyllifera L., cv. Zaghloul) using nitrogen and potassium nano-fertilizer." Journal of Applied Horticulture 24, no. 03 (2023): 306–12. http://dx.doi.org/10.37855/jah.2022.v24i03.54.

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The present investigation was carried out during two successive seasons of 2018 / 2019 and 2019/ 2020 on 15 years old date palm trees of Zaghloul cv. grown in sandy soil in a private orchard at El-Behira governorate, Egypt. The research was aimed to investigate the effect of nitrogen and potassium nano-fertilizers comparing with conventional mineral fertilizers on yield and fruit quality, four doses of nitrogen and potassium nano-fertilizer (75, 150, 300 and 600g/ palm/ year) were applied compared to the conventional nitrogen and potassium mineral fertilizers as a control. Different fertilizat

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Eliah, Herawati. "AKTIVITAS FARMAKOLOGI DAN FITOKIMIA AKAR, TANGKAI DAUN, BUAH, DAN BIJI AREN (Arenga pinnata) : REVIEW TANAMAN OBAT." Jurnal Buana Farma 2, no. 3 (2022): 52–60. http://dx.doi.org/10.36805/jbf.v2i3.550.

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The palm tree is a tree originating from Southeast Asia which belongs to the Aracecae family. Sugar palm is a plant that can be used to treat diseases. Palm fruit is rich in fiber (16.2%), protein (10.0%), minerals (7.9%), and (1.5%) fat. Roots, petioles, fruit, and palm seeds have pharmacological activity. According to several previous studies, palm root has activity as a diuretic. Then the palm leaf stalk has activity as a sunscreen. In addition, palm fruit seeds have antimicrobial activity and palm fruit itself has antioxidant, antidiabetic, anti-inflammatory, analgesic, and antiphotoaging

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Yulinda, Dwi, and Imroatul Azizah. "PENGARUH SARI KURMA TERHADAP PROLAKTIN DAN PENGELUARAN ASI PADA IBU POSTPARTUM DI BPM PIPIN HERIYANTI YOGYAKARTA TAHUN 2017." MEDIA ILMU KESEHATAN 6, no. 3 (2019): 195–98. http://dx.doi.org/10.30989/mik.v6i3.196.

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Background: Breastfeeding is exceptionally superior, giving mother and infants distinct and subtastial physical, mental, and developmental health advantages. Palm fruit has content of phytonutrients with antioxidant properties and galactagogues to help increase their milk supply in the early postpatum days. The lowest exclusive brest feeding rates in DIY is in the city of Yogyakarta. Exclusive breast feeding improves infant immunity so as to minimize the occurrence of diarrhea, constipation, fever that is caused by some allergic reactions. Objectifive: :This study aimed to analyze the re

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44

Pêgo, Rogério Gomes, and José Antonio Saraiva Grossi. "Biometry of fruits and seeds, seeds germination and post-seminal development of areca palm." Ornamental Horticulture 22, no. 2 (2016): 215. http://dx.doi.org/10.14295/oh.v22i2.885.

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Areca palm is an ornamental palm largely used in landscape which propagate occur by seeds germination. However, the biometry and the endogenous and exogenous factors than can limit propagation of this plant are poorly known, so this work was aimed characterize biometrics of fruits and seeds of areca palm and evaluate the germination of seeds in different substrates. For this, the biometric analyses of length, diameter and weight were recorded; the description of internal and external morphology of frit and seed were also studded. The treatments to improvement of seed germination were intact se

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Md Zain, Nur Jannah, and Wan Nurshazelin Wan Shahidan. "Maximization of Palm Fruit Planted Area Using a Goal Programming Approach." Journal of Computing Research and Innovation 3, no. 3 (2018): 46–51. http://dx.doi.org/10.24191/jcrinn.v3i3.71.

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Malaysia is currently facing low production of palm fruit. The poor palm fruit output will inevitably affect the economy in Malaysia. Hence, the government related agency needs to find effective ways to increase the production of palm fruit. Factors that affect the production of palm fruit include palm tree planted area and quantity of the crop. This paper proposes the Goal Programming approach to maximize the production of palm fruit. The approach maximized the planted area for three rural areas and increases the number of palm fruit crop for three rural areas. This approach is used to find o

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Suci, Y. T., I. W. Budiastra, Y. A. Purwanto, S. Widodo, and I. Novianty. "Wavelengths Selection Method in Near Infrared Spectra Using Multivariate Analysis for Nondestructive Determination of Oil Content in Palm Oil Fruits." IOP Conference Series: Earth and Environmental Science 1386, no. 1 (2024): 012009. http://dx.doi.org/10.1088/1755-1315/1386/1/012009.

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Abstract Fruit oil content (FOC) is one of the most significant commercial characteristics in oil palm output both in upstream and downstream phases. The NIR Spectroscopy approach was used as a method to determine the oil content of fresh oil palm fruits. Several tests on the NIR spectroscopy approach for estimating the oil content of oil palm fruits revealed that the accuracy was still ideal when utilizing earlier spectra processing. Still, some crucial information was lost when using this spectra processing. Five hundred samples, categorized into ten groups according to their maturity levels

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Mamat, Normaisharah, Mohd Fauzi Othman, Rawad Abdulghafor, Ali A. Alwan, and Yonis Gulzar. "Enhancing Image Annotation Technique of Fruit Classification Using a Deep Learning Approach." Sustainability 15, no. 2 (2023): 901. http://dx.doi.org/10.3390/su15020901.

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An accurate image retrieval technique is required due to the rapidly increasing number of images. It is important to implement image annotation techniques that are fast, simple, and, most importantly, automatically annotate. Image annotation has recently received much attention due to the massive rise in image data volume. Focusing on the agriculture field, this study implements automatic image annotation, namely, a repetitive annotation task technique, to classify the ripeness of oil palm fruit and recognize a variety of fruits. This approach assists farmers to enhance the classification of f

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Balakrishnan, Arutchelvam, Mohd Ibnur Syawal Zakaria, Bee Aik Tan, et al. "Postharvest Fruit Detachment in Oil Palm Bunches with Ethephon and Ethylene Gas Application." Agriculture 11, no. 11 (2021): 1030. http://dx.doi.org/10.3390/agriculture11111030.

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The processing of oil palm fresh fruit bunches (FFB), together with loose fruits, in the current mill operation contributes to oil loss and high free fatty acids (FFA), affecting crude palm oil quality. Fruit detachment induced by ethephon and ethylene may mitigate the current processing issues. This study shows that a 0.50% (v/v) ethephon application by the evaporation method induced the highest fruit detachment of 30.8 ± 1.1% after 24 h at room temperature, with the FFA content in the extracted crude palm oil at 0.34 ± 0.09%. Ethephon application was effective on bunches between 14 and 28 kg

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Pamornnak, Burawich, Somchai Limsirorattana, and Mitchai Chongcheawchamnan. "Oil Extraction Rate Determination Technique Based on Dielectric Constant of Palm Fruit." Applied Mechanics and Materials 303-306 (February 2013): 498–501. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.498.

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Since oil palm fruit produces highest yields per cultivated area and its product can be used for many consumer products, it will thus significantly impact to the global economics. This paper proposes a simple technique to determine oil extraction rate of palm fruit. Based on the dielectric constant measurement at microwave frequency, oil extraction rate of palm fruit is found to be inversly proportional to dielectric constant of the palm fruit. This leads to a mathematical model for determining OER in palm fruit. Validity of the model capability for determining OER is proven by predicintg OER

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Yahaya, S. A., O. A. Falusi, O. A. Daudu, et al. "Fruits Variability of Some Nigerian Date-Palm (Phoenix dactylifera L.) Accessions as Revealed by Yield Parameters." International Journal of Current Microbiology and Applied Sciences 12, no. 8 (2023): 248–60. http://dx.doi.org/10.20546/ijcmas.2023.1208.026.

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The aim of this study was to investigate the fruit physical traits of some date palm accessions conserved in the experimental gene pool of NIFOR Date palm research substation in dutse, Nigeria. A survey and exploration were undertaken to collect the fruits from the population of the Female date palm (Phoenix dactylifera L.) trees germplasm across the gene pools. The results showed that the accessions R5P24 and R9P2 had the highest number of fruit length (4.73cm) and (4.87 cm). The accession R7P1 recorded the highest and significantly superior values (11.85 g) in fruit weight, while accession R

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