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Saffron ( Crocus sativus L.): gold of the spices—a comprehensive review
Deepak Kothari,Rajesh Thakur,Rakesh Kumar 한국원예학회 2021 Horticulture, Environment, and Biotechnology Vol.62 No.5
Saffron ( Crocus sativus L.) is a monocotyledonous herbaceous triploid plant that produces the most expensive spice in theworld. Its main constituents, crocin, picrocrocin, and safranal, are responsible for color, taste, and aroma, respectively. Thesaff ron plant produces a red-colored spice that is important in pharmaceutics, cosmetics, perfumery, and textile dye-producingindustries. Iran produces almost 90% of the total world production. The saff ron market is expected to grow by 12.09% inthe forecast period 2020 to 2027. This paper reviews the current knowledge about the taxonomy, geographical distribution,reproductive biology, chemical composition, therapeutic and traditional uses, and agro-technology of the world’s mostexpensive spice crop, saff ron.
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Din Bandhu,Ashish Thakur,Rajesh Purohit,Rajesh Kumar Verma,Kumar Abhishek 대한기계학회 2018 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.32 No.7
Aluminium has a massive demand in the areas of automobile, aerospace and diverse engineering applications in order to furnish the requirement in those fields. But this technological evolution needs something more than aluminium. Materialogists are struggling hard to find out a material which owns sound mechanical and thermal properties and also superior than aluminium in each extent. Metal matrix composite (MMC) is a solution. Generally, metal matrix composites contain a low density material, i.e. aluminium or magnesium, reinforced with fibers or particulate of a ceramic material, i.e. silicon carbide or graphite. They show greater specific strength, high stiffness, elevated operating temperature, and superior wear resistance, along with the possibility to customize these properties for a specific use. In this study, Al 7075 is taken as a base matrix material, whereas ceramic materials like SiC, Al 2 O 3 , B 4 C and TiB 2 are used as reinforcements. There are different methods available for fabricating metal matrix composite materials and in this work, stir casting technique, which is a liquid state process, is used. Four different MMC specimens were produced with 15 % SiC, 15 % Al 2 O 3 , 15 % B 4 C and 15 % TiB 2 . Mechanical properties i.e. tensile strength, hardness, and impact strength were studied for the prepared specimens. The results were charted and presented graphically to describe these materials characteristics.
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Unduly extensive uncinate process of pancreas in conjunction with pancreatico-duodenal fold
Swati Gandhi,Mona Sharma,Rohini Pakhiddey,Avinash Thakur,Vandana Mehta,Rajesh K. Suri,Gayatri Rath 대한해부학회 2015 Anatomy & Cell Biology Vol.48 No.1
Anatomical variations of pancreatic head and uncinate process are rarely encountered in clinical practice. These variations are primarily attributed to the complex development of the pancreas. An unduly enlarged uncinate process of the pancreas overlapping the third part of duodenum was discovered during dissection. This malformation of the pancreatic uncinate process was considered to be due to excessive fusion between the ventral and dorsal buds during embryonic development. On further dissection, an avascular pancreatico-duodenal fold guarding the pancreatico-duodenal recess was observed. The enlarged uncinate process can cause compression of neurovascular structures and also cause compression of adjoining viscera. The pancreatico-duodenal recess becomes a potential site for internal herniation. This case is of particular interest to the gastroenterologists and surgeons performing surgical resections. Precise knowledge of embryogenesis of such pancreatic anomalies is necessary for understanding and thus treating many diseases of the pancreas.
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