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Journal articles on the topic 'Extraction de dates'

Author: Grafiati

Published: 19 June 2022

Last updated: 31 July 2025

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1

Tri Widayanti, Vindhya, Dodyk Pranowo, Claudia Gadizza Perdani, Dewi Kurnia Sinta, and Shafira Arini Sundari. "Microwave-assisted extraction (MAE) method for optimization of dates seed (Phoenix dactilifera) extraction." Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering 6, no. 1 (2023): 49–61. http://dx.doi.org/10.21776/ub.afssaae.2023.006.01.5.

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Dates (Phoenix dactylifera) is a palm-type plant that belongs to the Phoenix genus, which widely grows in the Middle East and South Africa. The use of date seeds was still limited. Dates seeds contain high amounts of nutrient and bioactive compounds, such as fiber, phenols, and antioxidants. The microwave-assisted extraction (MAE) method could increase the extract yields in a shorter time and reduces the solvent volume. This research aimed to evaluate the optimal extraction time and material: solvent (w/v) ratio. The response surface methodology (RSM) with the Central Composite Design (CCD) ex

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Researcher. "EXTRACTION OF WHITE PROTEIN SUGAR FROM KHADRI DATES AS THE FIRST APPLICATION FOR USING DATES IN THE FIELD OF ALTERNATIVE MEDICINE." International Journal of Medical Biochemistry (IJMB) 2, no. 2 (2024): 18–29. https://doi.org/10.5281/zenodo.14245202.

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In the manufacture of white sugar from dates, Khadri dates fruits were mixed with an appropriate amount of water and heated at a temperature higher than sixty degrees Celsius for two hours. Note that prolonged overheating may damage the nutrients and change the color of the product. In this study, the extraction process of white sugar rich in protein was explored using deep solvent using choline chloride/alcohol and dipotassium phosphate. The optimum conditions for the process were determined by examining the following variables: phase composition components, temperature, pH. The ratio and qua

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Bee Lin, Chua, and Chen Yen Leng. "Solid-Liquid Extraction Kinetics of Total Phenolic Compounds (TPC) from Red Dates." MATEC Web of Conferences 152 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201815201001.

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Red dates are one of the most famous herbal plants in making traditional Chinese medicine. They contain large amount of bioactive compounds. The objectives of this research were to optimise the crude extract yield and total phenolic compounds (TPC) yield from red dates using response surface methodology (RSM) and model the extraction kinetics of TPC yield from red dates. Date fruits were dried in an oven under temperatures 50°C, 60°C, 70°C and 80°C until a constant weight was obtained. The optimum drying temperature was 60°C as it gave the highest crude extract yield and TPC yield. Besides tha

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Raymond, Philippe, Roxanne Blain, and Neda Nasheri. "Detection of Foodborne Viruses in Dates Using ISO 15216 Methodology." Viruses 17, no. 2 (2025): 174. https://doi.org/10.3390/v17020174.

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Foodborne viruses such as human norovirus (HuNoV) and hepatitis A virus (HAV) are the major causes of foodborne illnesses worldwide. These viruses have a low infectious dose and are persistent in the environment and food for weeks. Ready-to-eat (RTE) low moisture foods (LMFs) undergo minimal pathogen reduction processes. In recent years, multiple foodborne HAV outbreaks involving hundreds of individuals were associated with the consumption of dates, indicating that they could be important vehicles for foodborne infection. There is no standard method for the extraction and detection of foodborn

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Hormes, Anne, Christian Schlüchter, and Thomas F. Stocker. "Minimal Extension Phases of Unteraarglacier (Swiss Alps) During the Holocene Based on 14C Analysis of Wood." Radiocarbon 40, no. 2 (1997): 809–17. http://dx.doi.org/10.1017/s0033822200018762.

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Tree trunks and wood fragments in minerotrophic fen peat that accumulated as the result of a jökulhlaup in the outwash plain of Unteraarglacier were radiocarbon-dated using conventional ß-counting. Different pretreatment methods were tested on two wood samples to determine the reliability of our dates. We dated the wood compounds after extended acid-alkali-acid treatment, as well as extraction of cellulose and lignin. The results of the samples Picea (B-6687) and Pinus cent-bra (B-6699) show insignificant differences of < 1σ.The 14C dates represent retreat of Unteraarglacier due to warmer a

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6

Khachatryan, Karen, Gohar Khachatryan, and Wojciech Ciesielski. "Special Issue on Polysaccharides: From Extraction to Applications." Applied Sciences 12, no. 23 (2022): 12461. http://dx.doi.org/10.3390/app122312461.

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Ravikumar, Haripriya, Chua Bee Lin, Chen Yen Leng, Ameena Ali, and Choo Choong Oon. "PRE-TREATMENT TEMPERATURE AND MULTI-RESPONSE SURFACE OPTIMISATION OF ULTRASOUND-ASSISTED EXTRACTION OF ANTIOXIDANTS FROM RED DATES." Journal of Experimental Biology and Agricultural Sciences 9, Spl-1- GCSGD_2020 (2021): S148—S160. http://dx.doi.org/10.18006/2021.9(spl-1-gcsgd_2020).s148.s160.

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Ziziphus jujube known as red dates are natural flora, are a rich source of antioxidant bioactive compounds and are widely used in making Chinese traditional medicine. However, the optimization of extraction conditions and demonstration of extraction kinetics of red dates remains a gap. Therefore, the main objective of this research was to enhance the antioxidant activity via DPPH, crude extract yield, and TPC by response surface methodology (RSM). Also, mathematical modeling of the TPC extraction kinetics was performed. Single-factor experiments were adopted to identify the preliminary RSM ran

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8

Khusaibi, Manahil Al, Shabib Al Rashdi, Santosh Walke, and Mutlaq Alaythee. "Modeling and Optimization Studies for Extraction of Omani Dates Seeds Oil using Acoustic Cavitation as A Novel Approach." Journal of Physics: Conference Series 2925, no. 1 (2024): 012003. https://doi.org/10.1088/1742-6596/2925/1/012003.

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Abstract Palm seed dates usually end up as waste. They actually contain oil that can be extracted using a unique method called acoustic cavitation explored in this research study. Acoustic cavitation involves using waves to form bubbles in a liquid that implode quickly. This implosion breaks down the plant cell walls effectively extracting the oil without the need, for chemicals commonly used in extraction methods. Using field emission scanning electron microscopy (FESEM) researchers apply this method to observe how cavitation impacts the seed structure by revealing the formation of cracks and

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9

Chen, James Lin, Chhaya Shadra, Cheryl D. Cho-Phan, Aradhana Ghosh, and Jonathan Hirsch. "Deriving real-world oral antineoplastic treatment endpoints: A comparison of automated data extraction versus manual chart abstraction." Journal of Clinical Oncology 37, no. 15_suppl (2019): e18070-e18070. http://dx.doi.org/10.1200/jco.2019.37.15_suppl.e18070.

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e18070 Background: Real world data (RWD) is increasingly being used to generate evidence that informs clinical care. Calculating outcomes measures using RWD, such as time-on-treatment (ToT), requires accurate medication start/end dates. Whereas intravenously administered medication dates are typically available, dates for oral antineoplastics (OANs) are challenging as they are filled by specialty pharmacies and documented separately. To determine the feasibility of automated ToT extraction, we used the Syapse Learning Health Network to compare the utility of automated chart extraction (ACE) an

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10

Brock, Fiona. "Radiocarbon Dating of Historical Parchments." Radiocarbon 55, no. 2 (2013): 353–63. http://dx.doi.org/10.1017/s0033822200057477.

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A range of pretreatment methods was applied to 6 known-age historical parchments to investigate the most suitable methods for effectively removing contamination and ensuring accurate radiocarbon dates while minimizing unnecessary destruction of potentially valuable historical documents. The methods tested included an acid wash, different concentrations of acid-base-acid (ABA) pretreatments, the current routine ABA method applied at the Oxford Radiocarbon Accelerator Unit (ORAU) that includes an additional bleach treatment, and extraction of collagen. The C:N atomic weight ratio of the untreate

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Gawade, Lata. "Invoice data Extraction Using LLM and OCR." International Journal for Research in Applied Science and Engineering Technology 13, no. 5 (2025): 2953–57. https://doi.org/10.22214/ijraset.2025.70815.

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Abstract: Invoice processing is a crucial but time-consuming task for businesses, especially when done manually. It often leads to errors and inefficiencies, particularly for companies dealing with large volumes of documents. To solve this, automated data extraction systems use Optical Character Recognition (OCR) and Large Language Models (LLM) APIs. OCR converts scanned invoices into readable text, extracting details like invoice numbers, dates, and amounts. LLMs improve accuracy by understanding the context, handling uncertainties, and automating decisions. Together, OCR and LLMs streamline

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Orlova, Lyobov A., Vasily N. Zenin, Anthony J. Stuart, et al. "Lugovskoe, Western Siberia: A Possible Extra-Arctic Mammoth Refugium at the End of the Late Glacial." Radiocarbon 46, no. 1 (2004): 363–68. http://dx.doi.org/10.1017/s0033822200039667.

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Eleven woolly mammoth bone samples from Lugovskoe (central West Siberian Plain, Russia) were radiocarbon dated in 3 laboratories: Institute of Geology, Novosibirsk; Oxford University, Oxford; and Christian Albrechts University, Kiel. Each laboratory used its own protocol for collagen extraction. Parallel dating was carried out on 3 samples in Novosibirsk and Oxford. Two results are in good agreement. However, there is a major discrepancy between 2 dates obtained for the third sample. The dates obtained so far on the Lugovskoe mammoths range from about 18,250 BP to about 10,210 BP. The Lugovsko

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Maggi, Roberto, and Mark Pearce. "Mid fourth-millennium copper mining in Liguria, north-west Italy: the earliest known copper mines in Western Europe." Antiquity 79, no. 303 (2005): 66–77. http://dx.doi.org/10.1017/s0003598x00113705.

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This paper presents twelve new radiocarbon dates from copper mines at Monte Loreto in Liguria, northwest Italy, which indicate that extraction began around 3500 cal BC, making these the earliest copper mines to be discovered in Western Europe so far. The dates are placed in their regional context, with a discussion of results from Libiola and other sites associated with early copper mining.

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14

Devièse, Thibaut, Ivor Karavanić, Daniel Comeskey, et al. "Direct dating of Neanderthal remains from the site of Vindija Cave and implications for the Middle to Upper Paleolithic transition." Proceedings of the National Academy of Sciences 114, no. 40 (2017): 10606–11. http://dx.doi.org/10.1073/pnas.1709235114.

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Previous dating of the Vi-207 and Vi-208 Neanderthal remains from Vindija Cave (Croatia) led to the suggestion that Neanderthals survived there as recently as 28,000–29,000 B.P. Subsequent dating yielded older dates, interpreted as ages of at least ∼32,500 B.P. We have redated these same specimens using an approach based on the extraction of the amino acid hydroxyproline, using preparative high-performance liquid chromatography (Prep-HPLC). This method is more efficient in eliminating modern contamination in the bone collagen. The revised dates are older than 40,000 B.P., suggesting the Vindij

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15

H, El Mahdi, Abkhar Z, and Taourirte M. "Valuation of Dates Cores of the Southern Region of Morocco (Zagora): Isolation of Hemicellulose and Their Use in the Development of Biodegradable and Hydrophobic Film." Pharmaceutical and Chemical Journal 3, no. 2 (2016): 143–48. https://doi.org/10.5281/zenodo.13748880.

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The nuclei of dates, from domestic consumption or as waste from the agro-food sector (date tab, syrup, oi etc.) on a small or large scale, or simply contained in the inedible dates, which remain abandoned in palm trees, are a very interesting material for the production of high value added products. They consist mainly of plant cell walls (cellulose, hemicellulose and lignin) that represent 82% to 92% of the initial dried material. The purpose of this study is the extraction of hemicellulose from the nuclei of dates first, then their introduction with the starch in the development of biodegrad

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16

Mourer, Charles R., Gregory L. Hall, William E. Whitehead, and Takayuki Shibamoto. "Gas Chromatographic Method for Determination of Chlorpyrifos and Its Metabolite 3,5,6-Trichloro-2-Pyridinol (TCP) in Dates." Journal of AOAC INTERNATIONAL 73, no. 2 (1990): 294–97. http://dx.doi.org/10.1093/jaoac/73.2.294.

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Abstract A method is described for the determination of the Insecticide chlorpyrifos and its metabolite TCP in green, unprocessed, and processed dates with the seeds incorporated. After extraction, chloropyrifos is cleaned up using Florisil and analyzed using a gas chromatograph (GC) equipped with a nitrogen/phosphorus detector. TCP is derivatized using bis- (trimethylsilyl)-acetamide (BSA) to form the TCP-derivative and analyzed by a gas chromatograph equipped with a Hall electrolytic conductivity detector. Recoveries of chlorpyrifos from all fortified dates (0.05 and 0.1 ppm) ranged from 86

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17

Brown, T. A., G. W. Farwell, P. M. Grootes, and F. H. Schmidt. "Radiocarbon AMS Dating of Pollen Extracted from Peat Samples." Radiocarbon 34, no. 3 (1992): 550–56. http://dx.doi.org/10.1017/s0033822200063815.

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We present 14C AMS measurements and discuss the extraction procedure used on pollen extracted from peat samples. Microscopic examination of the extracts shows that the procedure is sufficient to remove most non-pollen materials and results in an extract that is composed predominantly of pollen. The 14C dates that we obtained for pollen extracts from peat samples associated with the Mazama Ash layer are consistent with the range of bulk-sample dates obtained by others in previous studies. The limited measurement time and resulting precision (± 100 yr) of these initial measurements restrict our

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18

Cox, Nicholas J. "Speaking Stata: Nine notes on dealing with dates and times." Stata Journal: Promoting communications on statistics and Stata 25, no. 2 (2025): 471–83. https://doi.org/10.1177/1536867x251341416.

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This is an informal overview of several key points in dealing with date and time data in Stata. Dates and times in Stata are integers with specified units. Years are usually easy to handle. Otherwise, dates in Stata have origin at the beginning of 1960. Date or time inputs often need translation to Stata dates or times. Conversion from one kind of date or time to another requires a special function, as does extraction of date or time components. Weeks are different. Assigning date or date-time display formats is essential to understand your variables. Once your dates and times are set up, cons

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19

Saito, Katsuichi, Takahiro Noda, Shogo Tsuda, et al. "Effect of the dates of extraction on the quality of potato pulp." Bioresource Technology 97, no. 18 (2006): 2470–73. http://dx.doi.org/10.1016/j.biortech.2005.10.022.

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20

Ghafoor, Kashif, Md Zaidul Islam Sarker, Fahad Y. Al-Juhaimi, et al. "Bioactive Compounds Extracted from Saudi Dates Using Green Methods and Utilization of These Extracts in Functional Yogurt." Foods 12, no. 4 (2023): 847. http://dx.doi.org/10.3390/foods12040847.

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The bioactive compounds of four Saudi date flesh extracts (Ambara (AF), Majdool (MF), Sagai (SF), and Sukkari (SKF)) prepared using different extraction methods—namely, supercritical fluid extraction (SFE), subcritical CO2 extraction (SCE), and Soxhlet extraction (SXE)—were evaluated. A total of 19 bioactive compounds were detected in extracts prepared using SFE and SCE methods, whereas less than 12 compounds were detected in extracts obtained using the SXE method. Both the date variety and extraction method affected the phenolic profile of date flesh extract (p ≤ 0.05). The apparent viscosity

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Brock, F., V. Geoghegan, B. Thomas, K. Jurkschat, and T. F. G. Higham. "Analysis of Bone “Collagen” Extraction Products for Radiocarbon Dating." Radiocarbon 55, no. 2 (2013): 445–63. http://dx.doi.org/10.1017/s0033822200057581.

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Archaeological bones are now routinely dated in many radiocarbon laboratories through the extraction of “collagen.” Methods for “collagen” extraction vary, and several laboratories now apply an ultrafiltration step after gelatinization to extract the higher molecular weight (usually >10 or 30kDa) fraction for dating, thereby removing low molecular weight contaminants. Ultrafiltration has been demonstrated to result in products that are easier to handle and have more acceptable C:N ratios, and in some instances can result in significantly improved (generally older) 14C dates when compared to

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Savin, I. Yu, and E. Yu Prudnikova. "ABOUT OPTIMAL DATES OF SATELLITE IMAGES ACQUISITION FOR ARABLE SOIL MAPPING." Dokuchaev Soil Bulletin, no. 74 (December 30, 2014): 66–77. http://dx.doi.org/10.19047/0136-1694-2014-74-66-77.

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The state of the exposed surface of arable soils strongly varies in time and depends on properties of the upper soil horizon, meteorological conditions, and specific character of its usage. A change of the arable soil surface has a significant effect on their image on remote sensing data. For the maximum extraction of information about the spatial heterogeneities of soil properties satellite survey must be carried out before the first treatment of the surface of arable soils in spring.

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Boulanger, Matthew T., Gregory D. Lattanzi, David C. Parris, Michael J. O'Brien, and R. Lee Lyman. "AMS Radiocarbon Dates for Pleistocene Fauna from the American Northeast." Radiocarbon 57, no. 1 (2015): 189–92. http://dx.doi.org/10.2458/azu_rc.57.18220.

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Northeastern North America has produced an incredible number of late Pleistocene faunal remains; however, many of these were discovered and excavated prior to the development of radiocarbon dating. Moreover, many of the 14C dates that do exist for such specimens were assayed prior to the development of purified collagen extraction methods, were performed on botanical remains of unspecified association with the faunal remains, or were accepted without concerns of young-carbon contamination from museum preservatives. Here, we present a set of high-precision accelerator mass spectrometry (AMS) da

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Mohammed, Abdullah Al-Hagery. "Extracting hidden patterns from dates' product data using a machine learning technique." International Journal of Artificial Intelligence (IJ-AI) 8, no. 3 (2019): 205–14. https://doi.org/10.11591/ijai.v8.i3.pp205-214.

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Mining in data is an important step for knowledge discovery, which leads to extract new patterns from datasets. It is a widespread methodology that has the capability to help ministries, companies, and experts for diving into the data to find important insights and patterns to help them take suitable decisions. The farmers and marketers of the date product in the production regions lack to discover the most important characteristics of dates types from the economically, healthy, and the type of consumers point of view to achieve the highest profits by choosing the best types and the most consu

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Wynveldt, Federico, Bárbara Balesta, María Emilia Iucci, Celeste Valencia, and Gabriela Lorenzo. "Late Chronology in Hualfín Valley (Catamarca, Argentina): A Revision from 14C Dating." Radiocarbon 59, no. 1 (2016): 91–107. http://dx.doi.org/10.1017/rdc.2016.114.

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AbstractThis article addresses chronological problems about archaeological sites traditionally associated with the Belén culture from Hualfín Valley (Catamarca, Argentina), analyzing background research, radiocarbon dates obtained by A Rex González before 1970, and 14C dates made since 1996. First, we critically review the chronological sequence built by González for Belén sites, which include the Late period (AD 1100–1480) and Inca period (AD 1480–1536), subdivided into three phases. Methodological problems that could affect results of the first 14C dates are discussed. Based on this review,

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Pandey, Radhika, Ila Patnaik, and Ajay Shah. "Dating business cycles in India." Indian Growth and Development Review 10, no. 1 (2017): 32–61. http://dx.doi.org/10.1108/igdr-02-2017-0013.

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Purpose This paper aims to present a chronology of Indian business cycles in the post-reform period. In India, earlier, macroeconomic shocks were about droughts and oil prices. Economic reforms have led to an interplay of a market economy, financial globalisation and decisions of private firms to undertake investment and hold inventory. This has changed the working of the business cycle and has raised concerns about business-cycle stabilisation. In the backdrop of these developments, the macroeconomics research agenda requires foundations of measurement about business-cycle phenomena. One elem

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Wang, Yu, David Fink, and Eugene Agichtein. "SEEFT: Planned Social Event Discovery and Attribute Extraction by Fusing Twitter and Web Content." Proceedings of the International AAAI Conference on Web and Social Media 9, no. 1 (2021): 483–92. http://dx.doi.org/10.1609/icwsm.v9i1.14600.

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Social events comprise some of the most popular topics in social media. Automatically identifying planned social events and extracting structured information, such as event title, date, and location, would enable more effective index, display and search for social events. However, the informal and noisy nature of language used in social media can degrade the quality of event extraction, resulting in broken titles, incorrect or absent attributes - making the resulting event databases not suitable for realistic applications. Previous work mostly focused on event identification and categorization

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Zhang, Hao, Neil Jethani, Simon Jones, et al. "Evaluating Large Language Models in extracting cognitive exam dates and scores." PLOS Digital Health 3, no. 12 (2024): e0000685. https://doi.org/10.1371/journal.pdig.0000685.

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Ensuring reliability of Large Language Models (LLMs) in clinical tasks is crucial. Our study assesses two state-of-the-art LLMs (ChatGPT and LlaMA-2) for extracting clinical information, focusing on cognitive tests like MMSE and CDR. Our data consisted of 135,307 clinical notes (Jan 12th, 2010 to May 24th, 2023) mentioning MMSE, CDR, or MoCA. After applying inclusion criteria 34,465 notes remained, of which 765 underwent ChatGPT (GPT-4) and LlaMA-2, and 22 experts reviewed the responses. ChatGPT successfully extracted MMSE and CDR instances with dates from 742 notes. We used 20 notes for fine-

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Brock, Fiona, Joanna Ostapkowicz, Alex C. Wiedenhoeft, and Ian D. Bull. "Radiocarbon Dating Wooden Carvings and Skeletal Remains from Pitch Lake, Trinidad." Radiocarbon 59, no. 5 (2017): 1447–61. http://dx.doi.org/10.1017/rdc.2017.78.

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ABSTRACTSince the mid-19th century, rare prehistoric wooden carvings and human skeletal remains have been dredged from Pitch Lake, Trinidad, during commercial asphalt mining. Establishing a chronology for these objects is challenging, due to both a lack of stratigraphic and contextual information and the necessity to completely remove any pitch to ensure accurate radiocarbon (14C) dates. A range of solvent extraction protocols was tested to identify the most suitable one for pretreating the Pitch Lake artifacts, and then applied to ten wooden objects and a human cranium recovered from the lake

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Pandey, Ar Divya. "Analyzing Ancient Ayodhya City Planning Through Ancient Text." International Journal for Research in Applied Science and Engineering Technology 12, no. 4 (2024): 1275–77. http://dx.doi.org/10.22214/ijraset.2024.59971.

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Abstract: A significant aspect revolves around the astronomical positioning detailed in Sage Valmiki's Ramayan. By employing the "Platinum Gold" software, which enables simulation of the celestial sphere, extraction of English calendar dates corresponding to events mentioned in the Valmiki Ramayan, correlating them with planetary positions has been analyzing in the paper first. The findings reveal intriguing dates for significant events in Lord Rama's life, such as his birth, battles, and the completion of his exile. The meticulous alignment of these dates with the narrative in Valmiki's Ramay

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Edinborough, Kevan, Stephen Shennan, Anne Teather, et al. "New Radiocarbon Dates Show Early Neolithic Date of Flint-Mining and Stone Quarrying in Britain." Radiocarbon 62, no. 1 (2019): 75–105. http://dx.doi.org/10.1017/rdc.2019.85.

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ABSTRACTNew radiocarbon (14C) dates suggest a simultaneous appearance of two technologically and geographically distinct axe production practices in Neolithic Britain; igneous open-air quarries in Great Langdale, Cumbria, and from flint mines in southern England at ~4000–3700 cal BC. In light of the recent evidence that farming was introduced at this time by large-scale immigration from northwest Europe, and that expansion within Britain was extremely rapid, we argue that this synchronicity supports this speed of colonization and reflects a knowledge of complex extraction processes and associa

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He, Kai, Lixia Yao, JiaWei Zhang, Yufei Li, and Chen Li. "Construction of Genealogical Knowledge Graphs From Obituaries: Multitask Neural Network Extraction System." Journal of Medical Internet Research 23, no. 8 (2021): e25670. http://dx.doi.org/10.2196/25670.

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Background Genealogical information, such as that found in family trees, is imperative for biomedical research such as disease heritability and risk prediction. Researchers have used policyholder and their dependent information in medical claims data and emergency contacts in electronic health records (EHRs) to infer family relationships at a large scale. We have previously demonstrated that online obituaries can be a novel data source for building more complete and accurate family trees. Objective Aiming at supplementing EHR data with family relationships for biomedical research, we built an

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Giovanny, Lisa, Faliha Arinda Lestari, Nurul Marfira, Laksmi Ambarsari, and Siti Warnasih. "Potency of Ethanol Extracts Palm Seeds (Phoenix dactylifera L.) as Antidiabetic with Inhibition Kinetics Parameter." Current Biochemistry 6, no. 2 (2020): 1–10. http://dx.doi.org/10.29244/cb.6.2.1.

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Dates seeds are one of the byproducts of the date palm juice industry which has the potential for further processing. Dates seeds contain active compounds that are known to have ability to inhibit αglucosidase. This study aims to measure the activity of 70% ethanol extract and the fraction of date palm seeds with a mechanism in inhibiting αglucosidase. The measurement of inhibitory activity was carried out by extracting date palm seeds using 70% water and ethanol. The extraction product is then fractionated with n-hexane, ethyl acetate, n-butanol, and water. Then the total phenolic and flavono

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Md. Shahidur, Rahman, Razon Arafat Hassan, and Foysol Md. Arif. "Comparative Analysis of the Nutritional Value of Bangladeshi and Saudi Arabian Date Palms Fruit Varieties." Advances in Food Production, Processing, and Nutrition 2, no. 1 (2024): 017–22. http://dx.doi.org/10.17352/afppn.000004.

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The date palm fruit (Phoenix dactylifera) is considered one of the primitive crops to be harvested in the Middle East. Nowadays, several varieties of dates are frequently available and being marketed at different price ranges, especially in the local markets of Bangladesh. However, there is no standardized data available to recognize the differences in the quality (nutritional quality) of Bangladeshi dates and Saudi Arabian dates. The current study aimed to conduct a comparative analysis of the nutrient contents of dates cultivated in Bangladesh and Saudi Arabia. Date samples were collected fr

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Santos, G. M., M. I. Bird, B. Pillans, et al. "Radiocarbon Dating of Wood Using Different Pretreatment Procedures: Application to the Chronology of Rotoehu Ash, New Zealand." Radiocarbon 43, no. 2A (2001): 239–48. http://dx.doi.org/10.1017/s0033822200038066.

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We compare radiocarbon accelerator mass spectrometry (AMS) ages of wood samples subjected to a conventional acid-base-acid pretreatment with stepped combustion (ABA-SC) with results from the same samples subjected to an acid-base-wet oxidation pretreatment with stepped combustion (ABOX-SC) and cellulose extraction with stepped combustion (CE-SC). The ABOX-SC procedure has been shown previously to lead to lower backgrounds for old charcoal samples. Analyses of relatively uncontaminated “14C-dead” samples of wood suggest that backgrounds of 0.11 ± 0.04 pMC are obtainable for both the ABOX-SC and

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Ye, Junyan, Wenhao Bao, Chunhua Liao, Dairong Chen, and Haoxuan Hu. "Corn Phenology Detection Using the Derivative Dynamic Time Warping Method and Sentinel-2 Time Series." Remote Sensing 15, no. 14 (2023): 3456. http://dx.doi.org/10.3390/rs15143456.

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Accurate determination of crop phenology information is essential for effective field management and decision-making processes. Remote sensing time series analyses are widely employed to extract the phenological stages. Each crop’s phenological stage has its unique characteristic on the crop plant, while the satellite-derived crop phenology refers to some key transition dates in time series satellite observations. Current techniques primarily estimate specific phenological stages by detecting points with distinctive features on the remote sensing time series curve. But these stages may be diff

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Underwood, William. "Grammar-Based Recognition of Documentary Forms and Extraction of Metadata." International Journal of Digital Curation 5, no. 1 (2010): 148–59. http://dx.doi.org/10.2218/ijdc.v5i1.149.

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Metadata extraction is a critical aspect of ingestion of collections into digital archives and libraries. A method for automatically recognizing document types and extracting metadata from digital records has been developed. The method is based on a method for automatically annotating semantic categories such as person’s names, job titles, dates, and postal addresses that may occur in a record. It extends this method by using the semantic annotations to identify the intellectual elements of a document’s form, parsing these elements using context-free grammars that define documentary forms, and

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Al-Safy, Haider M. T., and Riyadh Sh Ali. "Developing a New Synergistic Method to Increase the Production of Dates Molasses." IOP Conference Series: Earth and Environmental Science 1262, no. 6 (2023): 062056. http://dx.doi.org/10.1088/1755-1315/1262/6/062056.

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Abstract The dates are stacked in a basin with four sloping walls, and the sugary juice flows out of the dates under the influence of pressure, heat, and humidity; this is the common method of molasses in Iraq, and it was developed as part of this study. Teardrop molasses is a specific variety that is packaged in teardrop-shaped containers. Although this technique (the tampers) is effective in removing sugar and nutrients from dates without spoiling them, and in obtaining sugary juice with a light natural color, it comes with a low production rate because the syrup does not exceed 10-15% of th

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Julai, Kanokporn, Pimnapanut Sridonpai, Chitraporn Ngampeerapong, et al. "Effects of Extraction and Evaporation Methods on Physico-Chemical, Functional, and Nutritional Properties of Syrups from Barhi Dates (Phoenix dactylifera L.)." Foods 12, no. 6 (2023): 1268. http://dx.doi.org/10.3390/foods12061268.

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Date fruits (Phoenix dactylifera L.) are rich in sugar and also contain a substantial amount of phenolic compounds. Therefore, date fruits can be used to produce an alternative sweetener, having lower glycemic index than sucrose. This study investigated the effects of extraction and evaporation methods on various properties of the syrups prepared from Barhi dates. Extraction of date juice with the aid of pectinase or cellulase significantly enhanced the production yield, total phenolic content, and antioxidant activities determined by Ferric Reducing Antioxidant Power and Oxygen Radical Absorb

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Wysocki, Michael, Seren Griffiths, Robert Hedges, et al. "Dates, Diet, and Dismemberment: Evidence from the Coldrum Megalithic Monument, Kent." Proceedings of the Prehistoric Society 79 (July 17, 2013): 61–90. http://dx.doi.org/10.1017/ppr.2013.10.

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We present radiocarbon dates, stable isotope data, and osteological analysis of the remains of a minimum of 17 individuals deposited in the western part of the burial chamber at Coldrum, Kent. This is one of the Medway group of megalithic monuments – sites with shared architectural motifs and no very close parallels elsewhere in Britain – whose location has been seen as important in terms of the origins of Neolithic material culture and practices in Britain. The osteological analysis identified the largest assemblage of cut-marked human bone yet reported from a British early Neolithic chambere

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Siregar, Yusraini Dian Inayati, Tarso Rudiana, and Windi Riyadi. "Identifikasi Komposisi Kimia dan Uji Aktivitas Antioksidan dari Biji Kurma (Phoenix dactylifera)." Jurnal Kimia VALENSI 4, no. 2 (2018): 182–89. http://dx.doi.org/10.15408/jkv.v4i2.8818.

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Dates are a component of dates that have 6.10-11.47% of all dates. In some countries, dates are a major problem in the processing industry because the seeds currently only become waste. This research was conducted to determine the solvent that produces the largest yield using the soxhletation method and determine its antioxidant activity. Dates are disoxletasion with a variety of solvents n-hexane, diethyl ether, and ethanol. Also carried out the variation of extraction time for 1.5; 2; and 2.5 hours. Based on the results of the study showed that the results of the largest date seed extract we

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Aleid, Salah Mohammed, and Jamal Saleh Haddadin. "Valorization and Chemical Constituents Assessments of Khalas Dates Fruit, Syrup and Pits." Current Research in Nutrition and Food Science Journal 11, no. 1 (2023): 77–87. http://dx.doi.org/10.12944/crnfsj.11.1.5.

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This study was conducted to contribute to the national approach to achieving food security in Saudi Arabia, which is one of the world's largest producer of dates. Studying the chemical properties of the most commercial date’s fruits cultivar in the eastern region will contribute to understanding to industrial potential Khalas dates. This is in addition to developing a method for extracting date syrup (DS) in a way that preserves as much nutritional properties as possible. Date fruits (DF) flesh and water mixture at a 1:3 ratio gave 18% total soluble solids (TSS) then concentrated to 70° Brix.

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Roche, Jane, Zephirin Mouloungui, Muriel Cerny, and Othmane Merah. "Effect of Sowing Dates on Fatty Acids and Phytosterols Patterns of Carthamus tinctorius L." Applied Sciences 9, no. 14 (2019): 2839. http://dx.doi.org/10.3390/app9142839.

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Field experiments were carried out at the Regional Centre of Experimentation in Organic agriculture at Auch (near Toulouse, South west of France). Due to the high potential applications for its oil components such as fatty acids and phytosterols, safflower (Carthamus tinctorius L.) is considered as an emerging crop. Safflower plants, as many other oil crops, are submitted to environmental stresses that modify seed composition. Nevertheless, few reports are available about the effects of environmental conditions on fatty acid and phytosterol compositions in safflower. Different rainfall supplie

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Torbenson, Michael, Arthur Aufderheide, and Elden Johnson. "Punctured Human Bones of the Laurel Culture from Smith Mound Four, Minnesota." American Antiquity 57, no. 3 (1992): 506–14. http://dx.doi.org/10.2307/280938.

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Punctured human long bones have been reported at numerous midwestern sites, but none have as large a concentration as Smith Mound Four (21KC3). This northern Minnesota mound was built by the people of the Laurel culture and dates to A.D. 565. Analysis of the bones suggests that they were perforated on the basis of inherited group affiliation for purposes that did not involve marrow extraction and may have related to ideas of spirit release.

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Nunes, Darlan Miranda, Nilcilene das Graças Medeiros, and Afonso de Paula dos Santos. "SEMI-AUTOMATIC ROAD NETWORK EXTRACTION FROM DIGITAL IMAGES USING OBJECT-BASED CLASSIFICATION AND MORPHOLOGICAL OPERATORS." Boletim de Ciências Geodésicas 24, no. 4 (2018): 485–502. http://dx.doi.org/10.1590/s1982-21702018000400030.

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Abstract: The demand for geospatial data concerning road network is constant, due to the wide variety of application which needs this type of data. It stands out the importance of this data in cartography update cycles, that can be obtained using automated processes of feature extraction in digital images, which are more accurate, fast and less costly than the traditional methods. In this sense, this work aimed the road network extraction from RapidEye satellite imagery, by developing a hybrid methodology using techniques of object-based image classification and morphological operators. The me

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Bera, Komal M., Kalyanrao, and M. J. Jadav. "Effect of Agronomic Factors on Seed Yield and Quality in Brinjal (Solanum melongena L.)." Journal of Advances in Biology & Biotechnology 27, no. 12 (2024): 817–28. https://doi.org/10.9734/jabb/2024/v27i121829.

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A study was conducted at AAU (Anand Agricultural University), Anand during 2022-24 aimed to standardize sowing time, days to fruit maturity, seed extraction methods and seed yield of brinjal variety Anand Raj. The research included 48 treatment combinations with three sowing dates (1st week of August, September, and October), four fruit maturity periods in 10 days intervals (60-100 days after fruit formation), and four seed extraction methods (manual, 48-hour fermentation, and acid extraction with HCl and H2SO4). The third sowing date (1st week of October) showed the best results in terms of f

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Alrefai, Alla Mohammed, Raid Alrefai, Khaled Y. Benyounis, and Joseph Stokes. "Biogas Produced by Anaerobic Digestion Process and Biodiesel from Date Seeds." Energies 14, no. 16 (2021): 4851. http://dx.doi.org/10.3390/en14164851.

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Dates are an important food source in many countries that produce different types of dates. Dates have a significant amount of waste, either from planting or eating them. A large amount of seeds are produced from eating it. This study is considered to explore the quantity and the quality of biogas produced from the Sagai date seeds through the anaerobic digestion process (AD) before and after oil extraction and exploitation of oil in biodiesel production. In addition, the study aims to tests the resulted digestate from the AD process. This test was performed to ensure that the digestate contai

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Timberlake, Simon. "Prehistoric Copper Extraction in Britain: Ecton Hill, Staffordshire." Proceedings of the Prehistoric Society 80 (December 23, 2013): 159–206. http://dx.doi.org/10.1017/ppr.2013.17.

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Major investigations were undertaken of the Ecton Copper Mines, Staffordshire, following the discovery of hammerstones and a red deer antler tool dating to the Early Bronze Age during surface and underground exploration in the 1990s. Ecton Hill was surveyed, the distribution of hammerstone tools examined, and two identified sites of potential prehistoric mining close to the summit of the hill excavated in 2008 & 2009. Excavations at Stone Quarry Mine revealed noin situprehistoric mining activity, but hammerstones and Early Bronze Age bone mining tools from upcast suggest that an historic m

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Lund Rasmussen, Kaare, Johannes van der Plicht, Gregory Doudna, et al. "The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls II: Empirical Methods to Remove Castor Oil and Suggestions for Redating." Radiocarbon 51, no. 3 (2009): 1005–22. http://dx.doi.org/10.1017/s0033822200034081.

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While kept at the Rockefeller Museum in East Jerusalem, many Dead Sea Scroll fragments were exposed to castor oil by the original team of editors in the course of cleaning the parchments. Castor oil must be regarded as a serious contaminant in relation to radiocarbon dating. If modern castor oil is present and is not removed prior to dating, the 14C dates will be skewed artificially towards modern values. In Rasmussen et al. (2001), it was shown that the standard AAA pretreatment procedure used in the 2 previous studies dating Dead Sea Scroll samples (Bonani et al. 1992; Jull et al. 1995) is n

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Selvi, N. Josephine, G. Baskar, and Aruna Singh. "Cost Analysis of Solar Cabinet Dryer for Drying Dates." Biosciences, Biotechnology Research Asia 14, no. 3 (2017): 1055–61. http://dx.doi.org/10.13005/bbra/2541.

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ABSTRACT: Solar cabinet dryer for drying of dates is one of the promising technology for obtaining good quality dried dates which is again energy and cost effective technology. From the cost analysis of the solar cabinet dryer installed at CCE, Oman there is a clear indication that the energy per unit cost was comparable to any other modern drying technology like freeze drying, where energy consumption is more. As per the annual life cycle costing (ALCC) carried out for solar cabinet dryer the cost per unit energy obtained was Rs.63.36/kWh, when 5 hours of potential sunshine hour was taken int

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