Leaf Epidermal Anatomy for the Identification of Some Medicinal Plants in Ubon Ratchathani University
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Abstract
Leaf epidermal anatomy was found to be an important tool for species identification, detection of adulteration and autherification of crude drugs. The objectives of this study were to provide baseline data and key distinguishing leaf microscopic features of some medicinal plants in Ubon Ratchathani University, Ubon Ratchathani province. Leaf epidermal peels of 30 medicinal species belonging to 28 genera and 22 families were investigated. Samples were stained with safranin and permanent slides were prepared. Their anatomical structures were studied and photographed under light microscopy. The common epidermal characteristics of species studied are as follows: 1) the cuticular ornamentation is smooth and striated, 2) the shapes of epidermal cells are polygonal, irregular and jigsaw-like, 3) the stomatal types are actinocytic, anisocytic, anomocytic, cyclocytic, diacytic, paracytic and tetracytic, 4) the type of trichome is unicellular hair, and 5) the types of inclusions are druse crystal, prismatic crystal, raphide crystal, oil cell, red staining inclusions and secretory structure which is secretory cavity. These characteristics can be used to construct a key for identification of the studied species and to apply for pharmaceutical and other related biological studies.
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บทความที่ได้รับการตีพิมพ์เป็นลิขสิทธิ์ของ วารสารวิทยาศาสตร์และเทคโนโลยี มหาวิทยาลัยอุบลราชธานี
ข้อความที่ปรากฏในบทความแต่ละเรื่องในวารสารวิชาการเล่มนี้เป็นความคิดเห็นส่วนตัวของผู้เขียนแต่ละท่านไม่เกี่ยวข้องกับมหาวิทยาลัยอุบลราชธานี และคณาจารย์ท่านอื่นๆในมหาวิทยาลัยฯ แต่อย่างใด ความรับผิดชอบองค์ประกอบทั้งหมดของบทความแต่ละเรื่องเป็นของผู้เขียนแต่ละท่าน หากมีความผิดพลาดใดๆ ผู้เขียนแต่ละท่านจะรับผิดชอบบทความของตนเองแต่ผู้เดียว
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