Academic literature on the topic 'Camellia sinensis leaves'

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Journal articles on the topic "Camellia sinensis leaves"

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Oktaviana, Monica, Johannes C. Prihadi, and Lucky H. Moehario. "EFFECTIVITY OF 50% ETHANOL EXTRACT OF CAMELLIA SINENSIS TEA LEAVES AS HAND ANTISEPTIC." Damianus Journal of Medicine 20, no. 1 (2021): 9–17. http://dx.doi.org/10.25170/djm.v20i1.1835.

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Introduction: : Practicing hand hygiene is a way to control an infection. The recent COVID-19 pandemic, hand hygiene has become the necessity. Using antiseptic which contain chemical active ingredients causes skin problem. Camellia sinensis is a natural ingredient which its antimicrobial properties is due to the presence of catechin. The study was aimed to determine the effectivity of ethanol extract of Camellia sinensis tea leaves as hand antiseptic.
 Methods: This research was a comparative experimental analytic to 32 respondents conducted in the Microbiology Laboraroty of Faculty Medic
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Tran, Lan T. Q. "Separation of active constituents in some medicinal plants by thin layer chromatography." Journal of Agriculture and Development 17, no. 05 (2018): 60–67. http://dx.doi.org/10.52997/jad.8.05.2018.

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Separation and identification of the active pharmacological compounds from some medicinal plants (Citrus aurantifolia, Rhodomyrtus tomentosa, Camellia sinensis) by Thin Layer Chromatography (TLC) showed the yields of crude extracts obtained from Citrus aurantifolia, Rhodomyrtus tomentosa and Camellia sinensis leaves at 1.5%, 5.62% and 10.4% respectively. Toluene: ethyl acetate (93:7) (v:v) solvent was suitable for the separation of active compounds in crude extract of Citrus aurantifolia, Rhodomyrtus tomentosa leaves while chloroform: ethylacetate: formic acid (5:4:1) (v:v:v) solvent was suita
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SONG, ZI-WEI, XIAO-FENG XUE, and XIAO-YUE HONG. "One new genus and four new species of Phyllocoptinae (Acari: Eriophyoidea) from Fujian Province, southeastern China." Zootaxa 1894, no. 1 (2008): 42–52. http://dx.doi.org/10.11646/zootaxa.1894.1.3.

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One new genus and four new species of the Phyllocoptinae from Fujian Province, southeastern China are described and illustrated. They are Fujianacarus gen. nov. and Fujianacarus wisterianis sp. nov. on Wisteria sinensis (Sims) Sweet (Fabaceae); Epitrimerus buxsinica sp. nov. on Buxus sinica (Rehd. et Wils.) Cheng (Buxaceae); Shevtchenkella camelliae sp. nov. on Camellia sinensis (L.) O. Ktze. (Theaceae) and Jutarus dolichocladae sp. nov. on Bambusa dolichoclada Hayata (Poaceae). All species are vagrant on the undersurface of leaves, causing no apparent damage to the host plant.
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Oh, Hyun-Woo, Byung-Chun Kim, Kang Hyun Lee, et al. "Paenibacillus camelliae sp. nov., isolated from fermented leaves of Camellia sinensis." Journal of Microbiology 46, no. 5 (2008): 530–34. http://dx.doi.org/10.1007/s12275-008-0233-9.

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Chen, Yingjuan, Liang Zeng, Na Shu, et al. "Pestalotiopsis-Like Species Causing Gray Blight Disease on Camellia sinensis in China." Plant Disease 102, no. 1 (2018): 98–106. http://dx.doi.org/10.1094/pdis-05-17-0642-re.

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Gray blight of tea, caused by several Pestalotiopsis-like species, is one of the most destructive foliar diseases in tea cultivation yet the characteristics of these pathogens have not been confirmed until now. With morphological and multigene phylogenetic analyses, we have identified the gray blight fungi as Pseudopestalotiopsis camelliae-sinensis, Neopestalotiopsis clavispora, and Pestalotiopsis camelliae. Phylogenetic analyses derived from the combined internal transcribed spacer, β-tubulin, and translation elongation factor 1-α gene regions successfully resolved most of the Pestalotiopsis-
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Kobayashi, Keiko, Toshiaki Teruya, Kiyotake Suenaga, Yoko Matsui, Hideki Masuda, and Hideo Kigoshi. "Isotheasaponins B1–B3 from Camellia sinensis var. sinensis tea leaves." Phytochemistry 67, no. 13 (2006): 1385–89. http://dx.doi.org/10.1016/j.phytochem.2006.05.025.

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Nguyen, Kieu-Oanh Thi, Phuong-Linh Nguyen, Hoang-Long Le, and Huyen-Thao Le. "Discriminative Chemical Profiles of Shan Tuyet Tea (Camellia sinensis var. Shan) and Sinensis Tea (Camellia sinensis var. sinensis) Collected in Ta Xua, Son La, Vietnam and Their Correlation With Antioxidant Activity." Natural Product Communications 17, no. 9 (2022): 1934578X2211284. http://dx.doi.org/10.1177/1934578x221128410.

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Chè Shan Tuyet ( Camellia sinensis var. Shan) is one of the precious tea resources of Vietnam; however, there is little research on its chemical composition. The purpose of this study was to characterize the main quality components, such as free amino acids and catechins, in Camellia sinensis var. Shan and Camellia sinensis var. sinensis collected in the high mountain of Ta Xua, Son La, Vietnam by using an amino acid analyzer and liquid chromatography coupled with tandem mass spectrometry, respectively. Principal component analysis (PCA) discrimination analysis of chemical profiles revealed a
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Bhagath, Prof. "Camellia sinensis disease Detection using GAN." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem48668.

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Abstract— this project focuses on developing an AI-driven solution for detecting diseases in tea leaves. By using Generative Adversarial Networks (GANs), we were able to create engineered pictures of unhealthy tea takes off, which made a difference make strides the dataset and improve the execution of our illness discovery show. The Convolutional Neural Network(CNN) classifier precisely identified both healthy and diseased leaves. Additionally, we created a fertilizer recommendation system based on soil health factors like pH, nitrogen levels, and organic carbon, providing farmers with customi
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bharathi, J. Divya, Dr D. Chandra Prabha, and Dr R. Ragunathan. "Phytochemical screening, invitro antioxidant and anti-inflammatory activity of polyphenolic fraction extracted from Camellia sinensis bud extract." Journal of University of Shanghai for Science and Technology 23, no. 05 (2021): 199–210. http://dx.doi.org/10.51201/jusst/21/05134.

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Tea is one of the most widely consumed beverages in the world today, second only to water, well ahead of coffee, beer, wine and carbonated soft drinks. The tea plant, Camellia sinensis, is a member of the Theaceae family and black, oolong, white and green tea are produced from its leaf and buds. Tea beverage is an infusion of the dried leaves of Camellia sinensis. The present study aims to screen the phytochemicals screening, in vitro antioxidant and anti-inflammatory activity of polyphenolic compound extracted from Camellia sinensis bud extract. The qualitative phytochemical results revealed
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Shaba, P., N.N. Pandey, O.P. Sharma, J.R. Rao, and R.K. Singh. "Trypanocidal potential of Camellia sinensis (Green Tea)." Greener Journal of Agricultural Sciences 1, no. 3 (2011): 55–61. https://doi.org/10.5281/zenodo.3372428.

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In search for new trypanocidal compounds from natural source, methanolic plant extract (MPE) of&nbsp;<em>C. sinensis</em>&nbsp;leaves at different concentrations (250-1000 &micro;g/ml) was evaluated against&nbsp;<em>Trypansoma evansi</em>&nbsp;on Vero cell line grown in Dulbecco&rsquo;s Modified Eagle Medium (DMEM) at appropriate conditions.&nbsp;<em>In vivo</em>&nbsp;infectivity assessment of incubated extracts and medium with trypanosomes was carried out in mice.&nbsp;&nbsp;<em>In vitro</em>&nbsp;cytotoxicity of test extract at concentrations (100-1.56 &micro;g/ml) was carried out on Vero ce
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Dissertations / Theses on the topic "Camellia sinensis leaves"

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Van, Breda Shane Vontelin. "Immunohistochemical localisation of caffeine in young tea (Camellia sinensis (L.) O. Kuntze) leaves." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/30944.

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The agricultural product using the top young shoots from the Camellia sinensis bush is known as tea. The leaves have many health benefits and contain high contents of antioxidants. The leaves contain caffeine, which is believed to be a phosphodiesterase inhibitor preventing the disposal of cyclic adenosine monophosphate, and thus when consumed, cellular responses are up regulated, and people experience unwanted effects such as being unable to fall asleep. Caffeine is currently believed to be synthesized within chloroplasts and stored within the vacuoles of parenchyma cells. It is hypothesized
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Pospiech, Solveig [Verfasser], Hans [Akademischer Betreuer] Ruppert, Hans [Gutachter] Ruppert, and Raimon [Gutachter] Tolosana-Delgado. "Geochemical Characterization of Tea Leaves (Camellia sinensis) and Soils for Provenance Studies based on Compositional Data Analysis / Solveig Pospiech ; Gutachter: Hans Ruppert, Raimon Tolosana-Delgado ; Betreuer: Hans Ruppert." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://d-nb.info/1188886843/34.

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Wium, Mariet. "Characterization of genetic diversity in selected cultivars and identification of a possible molecular marker for drought tolerance in tea Camellia sinensis (L.) O. Kuntze." Diss., 2009. http://hdl.handle.net/2263/28931.

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Tea is made from the young leaves of Camellia sinensis, an evergreen, outbreeding tree species. The replacing of seedling with clonal plantations and the use of small numbers of parental plants in breeding programs could cause a decrease in the genetic diversity. The Tea Research Foundation of Central Africa (TRFCA), in Malawi, started tea breeding in 1956. This program has provided new cultivars with increased quality and yield over the first 40 years. However, recently the progress seems to have reached a plateau, suggesting that the maximum potential of the original genetic base has been re
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Pospiech, Solveig. "Geochemical Characterization of Tea Leaves (Camellia sinensis) and Soils for Provenance Studies based on Compositional Data Analysis." Doctoral thesis, 2018. http://hdl.handle.net/21.11130/00-1735-0000-0003-C137-5.

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Chen, Chung-Kuang, and 陳重光. "Effect of shading on the growth and quality of young leaves of five tea (Camellia sinensis L.) varieties of plants." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5417006%22.&searchmode=basic.

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碩士<br>國立中興大學<br>農藝學系所<br>107<br>Tea [Camellia sinensis (L.) O. Kuntze] plant, a perennial crop of the family Camellia (Theaceae), is a hobby crop which is also a special crop. In the past century, in order to pursue high-quality tea flush, tea farmers in Taiwan established their tea garden in middle and high altitudes, that might destroy soil and water conservation on the hillside. Therefore, we try to investigate the feasibility of planting tea plants under shading in the low-altitude land, and also study the growth of different varieties of tea plants, as well as the response of tea quality
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Lin, Hsin-Yi, and 林欣儀. "Palatability of different varieties of tea (Camellia sinensis L.) by green leaf hopper and its infestation effect on the quality of tea leaves." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/86018957588262663667.

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碩士<br>國立中興大學<br>農藝學系所<br>104<br>Young leaves of tea (Camellia sinensis L.) in Taiwan frequently injured by pests, including green leaf hopper (Jacobiasca formosana L.). However, the latter induces leaves a special flavor and fragrance, and which is the characteristics of the tea so called “Oriental Beauty”. In this study, we investigated the population of green leaf hoppers appeared in tea garden, the results showed that the month of the appearance of the biggest population of green leaf hoppers is May. We also use four other tea varieties (Jinxuan, Chin-Shin Oolong, Hongyu, and Hongyun) to te
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Sun, Ping-Wei, and 孫凭瑋. "Study on annual variations of active compounds in leaves of tea (Camellia sinensis) and effects of manufacture processes of black tea on infusion quality." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/04067921282814612069.

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碩士<br>國立中興大學<br>農藝學系所<br>105<br>TTES 12 (var. sinensis) and TTES 18 (var. assamica) have been taken as experimental materials in this study to explore active ingredients of tea leaves under different light treatments in growth chamber and its annual variations in field. The better fermentation condition of black tea manufacture processes has been investigated. Furthermore, Lingzhi (Ganoderma) black tea abundant with medicinal /health-caring compounds has been developed the first time through the post-fermentation of primary black tea involved by Ganoderma lucidum (BCRC 36674). The contents of
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Wu, Jia Chang, and 巫嘉昌. "The growth and quality of tea leaves as influenced by intercropping of green manure crops in tea (Camellia sinensis L.) at Lu-Ko areas." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/79022452649268828456.

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Hou, Chia-Wen, and 侯嘉雯. "Seasonal changes in the major composition content of younger leaves and during tea-making process of tea (Camellia sinensis L.) plants grown in organic garden." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/49052802006961804657.

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碩士<br>國立中興大學<br>農藝學系所<br>105<br>Tea (Camellia sinensis L.) plants are commonly planted in the middle or high altitude of areas or mountains in Taiwan for acquiring younger leaves with high quality as crude material for tea making. Relatively, the climatic environment of the level ground is more unfavourable to the growth of tea and its quality. In order to evaluate the development of tea plants in level ground, the seasonal changes in the major composition content of younger leaves of tea were investigated. In this study, four tea varieties (Jinxuan, Chin-Shin Oolong, Hongyu, and Hongyun) plan
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Book chapters on the topic "Camellia sinensis leaves"

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Mahalakshmi, G., P. Ponnarasi, K. Vanasundari, and K. Balachandran. "SYNTHESIS AND CHARACTERIZATION OF NICKEL OXIDE NANOPARTICLES AND THEIR APPLICATIONS IN ANTIBACTERIAL AND ELECTROCHEMICAL ANALYSIS." In Futuristic Trends in Physical Sciences Volume 3 Book 5. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3baps5p1ch2.

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Nickel oxide nano particles have wide range of uses in biomedicine, catalysis, optoelectronic materials, sensors, pollution control, and more. In this article, to prepare copper-doped nickel oxide nano particles and the leaf aqueous extract was used as a stabilizer and reducing agent for nickel oxide synthesis. The unique of this synthesis is camellia sinensis leaves, because no other publications having copper doped nickel oxide assisted with c. sinensis leaves extract. UV-Vis, FTIR, and X-ray diffraction techniques were used to determine the bandgap energy, functional groups, and crystalline
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Khudhur Ahmad Al-Mahdi, Zainab, Ruqaya M.J. Ewadh, and Nada Khazal Kadhim Hindi. "Health Benefits of Aqueous Extract of Black and Green Tea Leaves." In Bioactive Compounds [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.91636.

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Tea, next to water, is the beverage humans consume. Drinking the beverage tea is great for joining and collecting family members and public communities since ancient times. Tea plant Camellia sinensis has been cultivated for thousands of years, and its leaves have been used for medicinal purposes. Various studies suggest that polyphenolic compounds present in green and black tea are associated with beneficial effects in prevention of cardiovascular diseases, particularly of atherosclerosis and coronary heart disease. Anti-ageing, antidiabetic and many other health beneficial effects associated
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Mitra, Sumonto, and Shashi Khandelwal. "Health Benefits of Tea." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0591-4.ch005.

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Tea is the second most widely consumed beverage throughout the world, after water. “Tea” is referred to the aromatic beverage prepared by incubating cured leaves of the plant Camellia sinensis with hot or boiling water. The origin of tea has remained a mystery and has been associated with legends in the Chinese history. Under experimental conditions in laboratory, tea has been reported to act as an anti-cancer agent in various models of lung, pancreas, liver, breast, fore-stomach, oesophagus, duodenum, colon, and skin cancers induced by chemical carcinogens. Tea also contains a wide range of a
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Devi Sinniah, Ganga, and Niranjan Mahadevan. "Disease Diagnosis in Tea (Camellia sinensis (L.) Kuntze): Challenges and the Way Forward." In Challenges in Plant Disease Detection and Recent Advancements [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1004903.

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Derived from the Camellia sinensis (L.) Kuntze plant, tea is the most widely consumed natural beverage in the world. Tea is a perennial woody plant. Monoculturing tea on a large scale makes it susceptible to many perennial and seasonal diseases. The leaves, stems, and roots of tea plants are susceptible to fungal, bacterial, and viral pathogens. Tea is predominantly grown in Asian and African regions; hence, conventional methods including symptomology and signs, and microbiological and microscopic methods are mainly used in disease diagnosis and pathogen identification. Accurate and rapid iden
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Amin, Ruhul, Biplab Kumar Dey, Nasreddine El Omari, et al. "Green Tea and Its Numerous Health Benefits." In Health Benefits of Tea - Recent Advances [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107368.

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Green tea is one of the most popular antioxidant drinks in the world. To make green tea, you must first remove the leaves from Camellia sinensis. A form of tea made from unoxidized green leaves from a tea plantation is called green tea. Several other studies have been undertaken over the past year to evaluate whether consuming green tea and extracts has any health benefits. In order to get the health benefits of green tea, the nutrients in the tea must be absorbed. Green tea’s flavonoids and caffeine, which serve to accelerate the elimination of metabolites, contribute to the antioxidant funct
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M., Fariya Ahmed, Sneha Unnikrishnan, and Karthikeyan Ramalingam. "Anti-Aging Activity of Natural Products." In Pharmacological Benefits of Natural Agents. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-6737-4.ch007.

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Natural products are used to cure dermatologic disorders like anti-aging, acne, hives, etc. Natural products are sources of novel drugs and aid in drug development in the pharmaceutical industry, and they are utilized in making formulations and medicinal drugs. Potential sources for anti-aging are leaves, fruits, flowers, and seeds. Pure compounds extracted from Fabaceae and Zingiberaceae have promising anti-aging properties. Some of the natural products used for anti-aging are green tea (Camellia sinensis), papaya (Carica papaya), grape seed (Vitis vinifera), olive (Olea europaea), turmeric (
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Baydar, Serap Yeşilkır, Tuba Akgül Çağlar, and Fatma Ebru Koç. "Biosynthesis of Zinc Oxide Nanoparticles Using Dried Leaves of Camellia sinensis: Methods to Characterize and Assess Their Effects on Mesenchymal Stem Cell Viability." In Methods in Molecular Biology. Springer US, 2025. https://doi.org/10.1007/7651_2024_598.

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Conference papers on the topic "Camellia sinensis leaves"

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Susanti, Hari. "Antioxidant Activity of Combination of Mangosteen Peel (Garcinia Mangostana) and Green Tea Leaves (Camellia Sinensis)." In Proceedings of the 2019 Ahmad Dahlan International Conference Series on Pharmacy and Health Science (ADICS-PHS 2019). Atlantis Press, 2019. http://dx.doi.org/10.2991/adics-phs-19.2019.6.

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Faller, A., and SG Newmaster. "DNA Quality and Quantity Analysis of Camellia sinensis Through Processing from Raw Tea Leaves to a Green Tea Extract Product." In Abstracts of the NHPRS – The 15th Annual Meeting of the Natural Health Products Research Society of Canada (NHPRS). Georg Thieme Verlag KG, 2018. http://dx.doi.org/10.1055/s-0038-1644954.

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Risnasari, Iwan, Arif Nuryawan, and Novita Frianty Siallagan. "Characterization of Particleboard from Waste Tea Leaves (Camellia Sinensis L) and Meranti Wood (Shorea Sp) using Urea-Formaldehyde Adhesive and It’s Formaldehyde Emission." In International Conference on Natural Resources and Technology. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0008552702610264.

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Platonova, N. B. "The dynamics of the content of ascorbic acid in fresh leaves of tea (Camellia sinensis (L.) Kuntze) growing in the humid subtropics of Russia." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-352.

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Ningrum, Arum Dianastiti, and Siti Sumarmi. "The extract of tea leaves (Camellia sinensis (L.) Kuntze) as protectant of Bacillus thuringiensis var. kurstaki against ultraviolet light for control of armyworm (Spodoptera litura Fab.) larvae." In THE 6TH INTERNATIONAL CONFERENCE ON BIOLOGICAL SCIENCE ICBS 2019: “Biodiversity as a Cornerstone for Embracing Future Humanity”. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0015744.

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