Document Type : Original Article
Authors
1
Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia Department of Chemistry, Yadanarbon University, Amarapura Mandalay, Myanmar
2
Chemistry Department, faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
3
Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
4
Department of Pharmacy, Faculty of Pharmacy, Meijo University, Nagoya, Japan
5
1Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
Abstract
Plant chemicals known as phytochemicals from medicinal plants are used as health benefits in the human body. Syzygium aqueum (Burm.) Alston (Myrtaceae) species in the many phytochemicals containing the genus Syzygium is also used as a folk medicine, especially in Indonesia and Malaysia. In the present phytochemical isolation, 3-O-trans-ferulyl-2a,23-dihydroxyolean-12-en-28-oic acid, betulinic acid, and 3,23-dihydroxy-12-oleanen-28-oic acidwere collected from this species using chromatographic techniques. Moreover, their structures were confirmed with UV, FTIR, NMR, and HR-EI-MS spectral data. Thus, their antidiabetic activity inhibited theα-glucosidase enzyme and was observed as the half-percentage inhibition for 100 g/mL concentration
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