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Patra B, Deep SK, Rosalin R, Pradhan SN. Flavored Food Additives on the Leaves of Piper betle L.: A Human Health Perspective. Appl Biochem Biotechnol 2022; 194:4439-4461. [PMID: 35386064 DOI: 10.1007/s12010-022-03912-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/14/2022] [Indexed: 02/08/2023]
Abstract
Natural products and traditional ethnomedicines are of great effect in therapeutics. Such types of medicine have been practiced in certain areas of the world to treat different health conditions. This pilot investigation aims to review the cumulative health effect of addendums used in betel quid such as areca nut, lime, and tobacco-associated betel quid chewing and without tobacco-associated chewing. This review shows that betel leaf extract and its essential oil could inhibit growth of microbes and damage different gram-positive and gram-negative bacteria as well as various fungus species. Some studies concluded that the combination of Piper leaves essential oil with antibiotics have potential effect on oral microorganisms. Long-term consumption of betel quid with tobacco is known to cause cancer, chromosomal aberrations, and pharynx tumors. However, consumption of betel leaf without tobacco has health benefits because of ethnomedicinal properties. Its essential is oil utilized as raw material for perfumes and mouth fresheners manufacturing. Scientific researches on this plant revealed that it possesses many beneficial activities to be used for developing novel drugs. However, compounds of betel leaves have beneficial natural antioxidant. Chewing and intake of leaves have effect on moving parts of salivary gland which is the main step of digestion. Its components also act as heartbeat regulators in relaxing the blood vessels to reduce hypertension. So this review discussed the natural compounds of betel leaves which is used as traditional medicine to further develop drug discovery.
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Affiliation(s)
- Biswajit Patra
- School of Life Sciences, Sambalpur University, Sambalpur, Odisha, India
| | - Saroj Kumar Deep
- School of Life Sciences, Sambalpur University, Sambalpur, Odisha, India
| | - Rosina Rosalin
- Department of Botany, Baruneswar Mohavidyalaya, Jajpur, Odisha, India
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Lin D, Jiang S, Zhang A, Wu T, Qian Y, Shao Q. Structural derivatization strategies of natural phenols by semi-synthesis and total-synthesis. NATURAL PRODUCTS AND BIOPROSPECTING 2022; 12:8. [PMID: 35254538 PMCID: PMC8901917 DOI: 10.1007/s13659-022-00331-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/15/2022] [Indexed: 05/08/2023]
Abstract
Structural derivatization of natural products has been a continuing and irreplaceable source of novel drug leads. Natural phenols are a broad category of natural products with wide pharmacological activity and have offered plenty of clinical drugs. However, the structural complexity and wide variety of natural phenols leads to the difficulty of structural derivatization. Skeleton analysis indicated most types of natural phenols can be structured by the combination and extension of three common fragments containing phenol, phenylpropanoid and benzoyl. Based on these fragments, the derivatization strategies of natural phenols were unified and comprehensively analyzed in this review. In addition to classical methods, advanced strategies with high selectivity, efficiency and practicality were emphasized. Total synthesis strategies of typical fragments such as stilbenes, chalcones and flavonoids were also covered and analyzed as the supplementary for supporting the diversity-oriented derivatization of natural phenols.
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Affiliation(s)
- Ding Lin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China.
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A & F University, Hangzhou, 311300, China.
| | - Senze Jiang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A & F University, Hangzhou, 311300, China
| | - Ailian Zhang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A & F University, Hangzhou, 311300, China
| | - Tong Wu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A & F University, Hangzhou, 311300, China
| | - Yongchang Qian
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A & F University, Hangzhou, 311300, China
| | - Qingsong Shao
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China.
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A & F University, Hangzhou, 311300, China.
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Morales-Cerrada R, Molina-Gutierrez S, Lacroix-Desmazes P, Caillol S. Eugenol, a Promising Building Block for Biobased Polymers with Cutting-Edge Properties. Biomacromolecules 2021; 22:3625-3648. [PMID: 34464094 DOI: 10.1021/acs.biomac.1c00837] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Biobased materials, derived from biomass building blocks, are essential in the pursuit of sustainable materials. Eugenol, a natural phenol obtained from clove oil, but also from lignin depolymerization, possesses a chemical structure that allows its easy modification to obtain a broad and versatile platform of biobased monomers. In this Perspective, an overview of the variety of reactions that have been executed on the allylic double bond, phenol hydroxyl group, aromatic ring, and methoxy group is given, focusing our attention on those to obtain monomers suitable for different polymerization reactions. Furthermore, possible applications and perspectives on the eugenol-derived materials are provided.
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Affiliation(s)
| | | | | | - Sylvain Caillol
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier 34000, France
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Nguyen Thien TV, Vo TKL, Dang PH, Huynh NV, Ngo TTD, Nguyen TMN, Hansen PE, Ton That Q. Two new sesquiterpenes from the stems of Miliusa velutina. Nat Prod Res 2020; 36:553-559. [PMID: 32668989 DOI: 10.1080/14786419.2020.1789984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
From the ethyl acetate extract of the stems of Miliusa velutina, seven compounds (1-7) were isolated, including two new compounds such as mivelutina A acid (1), mivelutina B acid (2) and one known compound mivelutina B methyl ester (3). For this NMR data were not known previously. Their relative structures were elucidated based on NMR spectroscopic analysis. The absolute configuartions were determined based on DFT calculations of 13C chemical shifts. All of the seven compounds were screened for their in vitro cytotoxic activities against HepG2 cell line using the SRB assay. Epoxyconiferyl alcohol (7) showed the highest potential for the cytotoxicity of cancer cell lines HepG2 with the IC50 values of 95.94 μg/mL (527 μM).
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Affiliation(s)
- Truong Van Nguyen Thien
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Thi Kieu Loan Vo
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Phu Hoang Dang
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Ngoc Vinh Huynh
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Thi Thuy Duong Ngo
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Thi My Nuong Nguyen
- Vietnam National University, Ho Chi Minh City, Vietnam.,Faculty of Biology and Biotechnology, University of Science, Ho Chi Minh City, Vietnam
| | - Poul Erik Hansen
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Quang Ton That
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
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Sang D, Tu X, Tian J, He Z, Yao M. Anchimerically Assisted Cleavage of Aryl Methyl Ethers by Aluminum Chloride-Sodium Iodide in Acetonitrile. ChemistrySelect 2018. [DOI: 10.1002/slct.201802565] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Dayong Sang
- Jingchu University of Technology; 33 Xiangshan Road, Jingmen Hubei 448000 P. R. of China
| | - Xiaodong Tu
- Jingchu University of Technology; 33 Xiangshan Road, Jingmen Hubei 448000 P. R. of China
| | - Juan Tian
- Jingchu University of Technology; 33 Xiangshan Road, Jingmen Hubei 448000 P. R. of China
| | - Zhoujun He
- Jingchu University of Technology; 33 Xiangshan Road, Jingmen Hubei 448000 P. R. of China
| | - Ming Yao
- Jingchu University of Technology; 33 Xiangshan Road, Jingmen Hubei 448000 P. R. of China
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Synthetic modification of hydroxychavicol by Mannich reaction and alkyne-azide cycloaddition derivatives depicting cytotoxic potential. Eur J Med Chem 2014; 92:236-45. [PMID: 25559204 DOI: 10.1016/j.ejmech.2014.12.047] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 12/24/2014] [Accepted: 12/26/2014] [Indexed: 11/23/2022]
Abstract
Here we report the design, synthesis and lead optimization of hydroxychavicol (1) a high yielding metabolite ubiquitously present in the Piper betel leaves with the significant cytotoxic activity. This is the first report to describe the synthetic strategies of two distinct series of hydroxychavicol by Mannich reaction (2-10) and alkyne-azide cycloaddition (11-20). Furthermore, all the synthesized derivatives along with parent compound were evaluated for their in-vitro cytotoxic and antiproliferative potential in several distinct cancers cell lines. Among all, the Mannich reaction derived molecules 6, 8 and 10 displayed more potent cytotoxic activities with IC50 value in a range from 3 to 9 μM, which were 7-10 fold more potent than 1 against five human cancer cell lines viz. HL-60, Mia PaCa-2, MCF-7, HEP G2 and SK-N-SH. Our results describe an efficient synthetic approach used to evaluate the structure activity relationship of 1 and its derivative in search of potential new anticancer agents.
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