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Genetic and phytochemical analysis of Indonesian black rice cultivars
Irza Guari Syah Fitri,Nurhasanah,Handoyo Tri 한국작물학회 2021 Journal of crop science and biotechnology Vol.24 No.5
There are many local black rice cultivars spread throughout Indonesia and are only a few of these which formally describe their genetic diversity and phytochemical properties. It has not been reported that some local black rice has contained higher secondary metabolic, including phenolic, favonoid, anthocyanin, and antioxidant capacity than other colored rice and which contributes to the source of functional food. Genetic diversity analysis of 18 colored and 3 white rice genotypes using microsatellite and inter simple sequence repeat (ISSR) markers, morphological characters and phytochemical properties (TPC, TFC, TAC, and antioxidant activity) were observed in this study. The amylose, phenolic, favonoid and anthocyanin contents of the ffteen local black rice cultivars had approximately 8.50–27.74%, 171.32–405.20 mg GAE/100 g dry weight, 90.36–187.94 mg QE/100 g dry weight, and 11.23–103.22 mg CYE/100 g dry weight, respectively. While IC50 of DPPH radical scavenging activity is approximately 24.46–62.81 µg/mL. All cultivars were clustered into two clusters and four sub-cluster based on amylose, phytochemical properties, and antioxidant capacity named hierarchical cluster. Hierarchical clustering indicates that two clusters showed diferent properties, of which cluster (I) (Hitam Banjarnegara) has the greatest phytochemical properties; cluster (II) (Inpari 23) has the lowest phytochemical properties. The genetic diversity of all cultivars was assessed using twenty microsatellite and ISSR markers. Genetic clustering showed two clusters and four subclusters, the genetic distance values ranged from 0.581 to 0.983 for all cultivars. Genetic analysis separates Indonesian local rice into two clusters which showed the diferent types of rice, in which cluster I was divided into sub-cluster (IA) (white and red rice) and sub-cluster (IB) (black rice); cluster (II) consisted of the twelve black rice cultivars.
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Enhancing Quality across Industries: A Systematic Literature Review on the Impact of Six Sigma
Ahmad Syamil,Mohammad Ichsan,Muhammad Syahrazly,Maharani Putri Fadjar,Irza Raihan Revidia People&Global Business Association 2023 Global Business and Finance Review Vol.28 No.7
Purpose: The objective of this study is to conduct a systematic literature review on the impact of Six Sigma in various industries. Design/methodology/approach: A total of 83 articles from respected international journals published between 2015 and 2020 were selected and analyzed. The inclusion criteria ensured that the articles focused on quality improvement using the Six Sigma approach and were published by reputable publishers. Findings: The f indings of the s tudy reveal that manufacturing emerged as the most prevalent sector, with 17 studies dedicated to it. Among the selected articles, case studies were the most employed research method, accounting for 59 studies. Moreover, the study highlights the primary benefits associated with implementing Six Sigma. The most notable benefit is the reduction of defect rates, followed by improvements in efficiency and cost reduction. the primary benefit of Six Sigma is the reduction of defects (52 cases or 42.75%), followed by improvement in efficiency (49 cases or 37.40%), and then cost reduction (26 cases or 19.85%). Research limitations/implications: Based on the results, the study recommends that organizations adopt Six Sigma to enhance the quality of their processes, increase efficiency, and minimize costs. Originality/value: T his recommendation is p articularly relevant f or t he m anufacturing s ector, which s howcased the highest concentration of research studies in the literature.
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Sesbagrandiflorain F, a New 2-Arylbenzofuran from the Stem Bark of Sesbania grandiflora L.
Mulyadi Tanjung,Muhammad Fajar Aldin,Tjitjik Srie Tjahjandarie,Devina Oktari Rahayu,Alfiah Nur Irza Gunawan,Ratih Dewi Saputri 한국생약학회 2021 Natural Product Sciences Vol.27 No.3
Sesbagrandiflorain F (1), a novel 2-arylbenzofuran, and two more 2-arylbenzofurans (2-3), were isolated from the stem bark of Sesbania grandiflora L. Based on information HRESIMS data, 1D, and 2D NMR spectra, the structure of 1 was fully assigned. Compounds 1-3 were tested for cytotoxicity in MCF-7 and HeLa cells. Compounds 1 and 3 showed moderate activity against MCF-7 cells with an IC50 value of 2.68 and 4.08 µg/mL, respectively. Conversely, all of the isolates were inactive towards HeLa cells.
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First detection of a G1-like H9N2 virus in Russia, 2018
Sharshov, Kirill,Kurskaya, Olga,Sobolev, Ivan,Leonov, Sergey,Kabilov, Marsel,Tatyana, Alikina,Alekseev, Alexander,Derko, Anastasiya,Yushkov, Yuriy,Saito, Takehiko,Uchida, Yuko,Mine, Junki,Irza, Victor The Korean Society of Veterinary Science 2019 大韓獸醫學會誌 Vol.59 No.1
Worldwide, avian influenza H9N2 viruses of different lineages are the most widespread viruses in poultry. However, to date, cases in Russia have not been documented. In this study, we report the first detection of a G1-like H9N2 virus from poultry sampled at live-bird markets in Russia (Far East region) during the winter of 2018 (isolate A/chicken/Amur_Russia/17/2018). We assume there has been further circulation of the A/chicken/Amur_Russia/17/2018 H9N2 virus in the Russian Far East with possible distribution to other regions or countries in 2018-2019.
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