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https://www.readbyqxmd.com/read/28208680/anti-bacterial-and-anti-fungal-activity-of-xanthones-obtained-via-semi-synthetic-modification-of-%C3%AE-mangostin-from-garcinia-mangostana
#1
Srinivasan Narasimhan, Shanmugam Maheshwaran, Imad A Abu-Yousef, Amin F Majdalawieh, Janarthanam Rethavathi, Prince Edwin Das, Palmiro Poltronieri
The microbial contamination in food packaging has been a major concern that has paved the way to search for novel, natural anti-microbial agents, such as modified α-mangostin. In the present study, twelve synthetic analogs were obtained through semi-synthetic modification of α-mangostin by Ritter reaction, reduction by palladium-carbon (Pd-C), alkylation, and acetylation. The evaluation of the anti-microbial potential of the synthetic analogs showed higher bactericidal activity than the parent molecule. The anti-microbial studies proved that I E showed high anti-bacterial activity whereas I I showed the highest anti-fungal activity...
February 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28204815/enzyme-treated-ecklonia-cava-extract-inhibits-adipogenesis-through-the-downregulation-of-c-ebp%C3%AE-in-3t3-l1-adipocytes
#2
In-Hye Kim, Taek-Jeong Nam
In this study, we examined the inhibitory effects of enzyme- treated Ecklonia cava (EEc) extract on the adipogenesis of 3T3-L1 adipocytes. The components of Ecklonia cava (E. cava) were first separated and purified using the digestive enzymes pectinase (Rapidase® X‑Press L) and cellulase (Rohament® CL). We found that the EEc extract contained three distinct phlorotannins: eckol, dieckol and phlorofucofuroeckol-A. Among the phlorotannins, dieckol was the most abundant in the EEc extract at 16 mg/g. Then we examined the inhibitory effects of EEc extract treatment on differentiation‑related transcription factors and on adipogenesis‑related gene expression in vitro using 3T3-L1 adipocytes...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28169002/the-c8-side-chain-is-one-of-the-key-functional-group-of-garcinol-for-its-anti-cancer-effects
#3
Xin-Ying Zhou, Jing Cao, Chao-Ming Han, Shu-Wen Li, Chen Zhang, Yin-Duan Du, Qian-Qian Zhou, Xin-Yan Zhang, Xin Chen
Garcinol from the fruit rind of Garcinia indica shows anti-carcinogenic and anti-inflammatory properties, but its mechanism and key functional groups were still need to be identified. Our previous computer modeling suggested that the C8 side chain of Garcinol is so large that it may influence the bioactivity of the compound. 8-Me Garcinol, a derivative of Garcinol in which the bulky side chain at the C8 position of Garcinol is replaced with a much smaller methyl group, was synthesized through a 12-step procedure starting from 1,3-cyclohexanedione...
January 22, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28163970/garcinia-subelliptica-merr-fukugi-a-multipurpose-coastal-tree-with-promising-medicinal-properties
#4
REVIEW
Tomomi Inoue, Mami Kainuma, Karin Baba, Nozomi Oshiro, Norimi Kimura, Eric Wei Chiang Chan
In this short review, the current knowledge on the botany, ecology, uses, and medicinal properties of the multipurpose Garcinia subelliptica (Fukugi) is updated. As yet, there are no reviews on this indigenous and heritage coastal tree species of the Ryukyu Islands in Japan, which has ethnocultural, ecological, and pharmacological significance. Planted by the Okinawan people some 300 years ago, Fukugi trees serve as windbreaks and accord protection against the destructive typhoons. The species has become a popular ornamental tree, and its bark has been used for dyeing fabrics...
January 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28163959/kolaviron-a-biflavonoid-of-garcinia-kola-seed-mitigates-ischemic-reperfusion-injury-by-modulation-of-pro-survival-and-apoptotic-signaling-pathways
#5
Ademola Adetokunbo Oyagbemi, Dirk Bester, Johan Esterhuyse, Ebenezer Olatunde Farombi
OBJECTIVE: The study was designed to investigate the ameliorative effect of Kolaviron (KV) on ischemic/reperfusion injury in experimental animal models. MATERIALS AND METHODS: Male Wistar rats were randomly divided into two groups: Group 1 received corn oil as a vehicle and rats in Group 2 were administered KV at 200 mg/kg for 4 weeks. The rats were fed with rat standard chow pellet and water administered ad libitum. After 4 weeks of KV administration, hearts were excised and mounted on the working heart perfusion system...
January 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28161987/two-new-biphenyls-from-the-stems-of-garcinia-tetralata
#6
Bing-Kun Ji, Xue-Mei Gao, Di Cui, Shan-Shan Wang, Wen-Zhong Huang, Yin-Ke Li, Shuang-Xi Mei, Zhi Yang, Gan-Peng Li, Meng-Yuan Jiang, Yong-Hui He, Zhi-Yong Jiang, Gang Du, Xiao-Xia Pan, Wen-Xing Liu, Qiu-Fen Hu
Two new biphenyls (1 and 2) and three known xanthones (3-5) were isolated from the ethanol extract of the stems of Garcinia tetralata. Structural elucidations of 1-2 were elucidated by spectroscopic methods including extensive 1D- and 2D-nuclear magnetic resonance spectroscopy techniques. Compounds 1-2 showed anti-rotavirus activities with SI above 10.
February 5, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28123449/enhanced-antibacterial-activity-of-tio2-nanoparticle-surface-modified-with-garcinia-zeylanica-extract
#7
U L N H Senarathna, S S N Fernando, T D C P Gunasekara, M M Weerasekera, H G S P Hewageegana, N D H Arachchi, H D Siriwardena, P M Jayaweera
BACKGROUND: The antibacterial activity of 21 nm TiO2 nanoparticles (NPs) and particles modified with Garcinia zeylanica (G. zeylanica) against Methicillin resistant Staphylococcus aureus was investigated in the presence and absence of light. RESULTS: Surface modification of TiO2 NPs with the adsorption of G. zeylanica extract, causes to shift the absorption edge of TiO2 NPs to higher wavelength. TiO2 NPs, G. zeylanica pericarp extract showed significant bactericidal activity which was further enhanced in contact with the TiO2 modified G...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28108382/new-xanthones-and-cytotoxic-constituents-from-garcinia-mangostana-fruit-hulls-against-human-hepatocellular-breast-and-colorectal-cancer-cell-lines
#8
Gamal A Mohamed, Ahmed M Al-Abd, Ali M El-Halawany, Hossam M Abdallah, Sabrin R M Ibrahim
ETHNOPHARMACOLOGICAL RELEVANCE: Cancer has proceeded to surpass one of the most chronic illnesses to be the major cause of mortality in both the developing and developed world. Garcinia mangostana L. (mangosteen, family Guttiferae) known as the queen of fruits, is one of the most popular tropical fruits. It is cultivated in Southeast Asian countries: Malaysia, Indonesia, Sri Lanka, Burma, Thailand, and Philippines. Traditionally, numerous parts of G. mangostana have been utilized to treat various ailments such as abdominal pain, haemorrhoids, food allergies, arthritis, leucorrhoea, gonorrhea, diarrhea, dysentery, wound infection, suppuration, and chronic ulcer...
January 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28101220/antitumor-effect-of-forbesione-isolated-from-garcinia-hanburyi-on-cholangiocarcinoma-in-vitro-and-in-vivo
#9
Parichart Boueroy, Chariya Hahnvajanawong, Thidarut Boonmars, Sunitta Saensa-Ard, Natthinee Anantachoke, Kulthida Vaeteewoottacharn, Vichai Reutrakul
Cholangiocarcinoma (CCA) is a malignancy with no effective therapy and poor prognosis. Forbesione, a caged xanthone isolated from Garcinia hanburyi, has been reported to inhibit proliferation and to induce apoptosis in human CCA cell lines. The present study aimed to further explore the potential anticancer properties of forbesione by testing its effects against the hamster CCA cell line Ham-1 in vitro and in vivo. It was observed that forbesione inhibited the growth of Ham-1 cells in vitro and suppressed Ham-1 growth as allograft in hamsters by inducing cell cycle arrest at the S phase...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28098516/germacrone-attenuates-hyperlipidemia-and-improves-lipid-metabolism-in-high-fat-diet-induced-obese-c57bl-6j-mice
#10
Yuan-Ri Guo, Se-Young Choung
We previously showed that Aster spathulifolius Maxim extract (ASE) reduced body weight gain and serum and liver lipid levels and significantly suppressed serum insulin and leptin concentrations in high-fat diet (HFD)-induced obese rats. Germacrone (GM) was identified as a potent bioactive constituent of ASE. In this study, we hypothesized that GM can attenuate hyperlipidemia by alleviating fatty acid (FA) synthesis/uptake and improve lipid metabolism by stimulating FA β-oxidation in HFD-induced obese C57BL/6J mice...
January 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28090413/development-of-microsatellite-markers-in-garcinia-paucinervis-clusiaceae-an-endangered-species-of-karst-habitats
#11
Gang Hu, Zhong-Hua Zhang, Ping Yang, Qi-Wei Zhang, Chang-An Yuan
PREMISE OF THE STUDY: Microsatellite markers were developed for Garcinia paucinervis (Clusiaceae), an endangered and endemic tree species of karst habitats, to analyze its genetic diversity and genetic structure. METHODS AND RESULTS: Using shotgun sequencing on an Illumina MiSeq platform, a total of 22 microsatellite primer sets were characterized, of which 17 were identified as polymorphic. For these polymorphic loci, the total number of alleles per locus ranged from two to 12 across 54 individuals from three populations...
January 2017: Applications in Plant Sciences
https://www.readbyqxmd.com/read/28018115/dangerous-dietary-supplements-garcinia-cambogia-associated-hepatic-failure-requiring-transplantation
#12
Keri E Lunsford, Adam S Bodzin, Diego C Reino, Hanlin L Wang, Ronald W Busuttil
Commercial dietary supplements are marketed as a panacea for the morbidly obese seeking sustainable weight-loss. Unfortunately, many claims cited by supplements are unsupported and inadequately regulated. Most concerning, however, are the associated harmful side effects, often unrecognized by consumers. Garcinia cambogia extract and Garcinia cambogia containing products are some of the most popular dietary supplements currently marketed for weight loss. Here, we report the first known case of fulminant hepatic failure associated with this dietary supplement...
December 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28017996/extraction-of-anthocyanins-from-pericarp-and-lipids-from-seeds-of-mangosteen-garcinia-mangostana-l-by-ultrasound-assisted-extraction-uae-and-evaluation-of-pericarp-extract-enriched-functional-ice-cream
#13
Lawan Hiranrangsee, Kishore K Kumaree, Muhammad Bilal Sadiq, Anil K Anal
Ultrasound-assisted extraction (UAE) was used to extract the anthocyanins from pericarp and lipids from the seeds of mangosteen. The optimum time for extraction of anthocyanin by maceration method and shaking water bath was 6 and 4 h, respectively, whereas, it was 5 min only for ultrasonic assisted extraction method. The anthocyanin content, extracted by UAE, was 23.54 mg Cyn-3-Glu/100 g. The regression equation derived by response surface methodology (RSM), was used to predict the anthocyanin content extracted by using UAE...
October 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28008935/corrigendum-uplc-pda-qtofms-guided-isolation-of-prenylated-xanthones-and-benzoylphloroglucinols-from-the-leaves-of-garcinia-oblongifolia-and-their-migration-inhibitory-activity
#14
Hong Zhang, Dan Zheng, Zhi-Jie Ding, Yuan-Zhi Lao, Hong-Sheng Tan, Hong-Xi Xu
No abstract text is available yet for this article.
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27976066/novel-cytotoxic-benzophenones-from-garcinia-paucinervis-identified-by-uplc-qtof-mse
#15
P Li, H Anandhi Senthilkumar, M Figueroa, S B Wu, J E Fata, E J Kennelly, C Long
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27975991/diol-based-natural-deep-eutectic-solvent-extraction-of-%C3%AE-mangostin-from-the-pericarp-of-garcinia-mangostana
#16
K Mulia, E Krisanti, F Fauzia, S Putri
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27934507/garmultins-a-g-biogenetically-related-polycyclic-acylphloroglucinols-from-garcinia-multiflora
#17
Dong Song Tian, Ping Yi, Lei Xia, Xin Xiao, Yi Min Fan, Wei Gu, Lie Jun Huang, Yaacov Ben-David, Ying Tong Di, Chun Mao Yuan, Xiao Jiang Hao
Garmultins A and B (1 and 2), two polycyclic polyprenylated acylphloroglucinols characterized by the coupling of two novel cages, 2,11-dioxatricyclo[4.4.1.0(3,9)]undecane and tricyclo[4.3.1.0(3,7)]decane, along with five biogenetically related analogues (3-7), were isolated from Garcinia multiflora. Their structures and absolute configurations were determined by extensive NMR analysis, X-ray crystallography, and electronic circular dichroism calculations. Three compounds were capable of inhibiting oncogene expression and inducing apoptosis in human erythroleukemia cells...
November 18, 2016: Organic Letters
https://www.readbyqxmd.com/read/27933873/amelioration-of-experimental-autoimmune-encephalomyelitis-by-isogarcinol-extracted-from-garcinia-mangostana-l-mangosteen
#18
Mengqi Wang, Yufei Xie, Youxiu Zhong, Juren Cen, Lei Wang, Yuanyuan Liu, Ying Zhu, Li Tong, Qun Wei
Isogarcinol is a new natural immunosuppressant that was extracted from Garcinia mangostana L. in our laboratory. Knowledge of its effects on treatable diseases and its mechanism of action is still very limited. In this study, we explored the therapeutic effect of isogarcinol in experimental autoimmune encephalomyelitis (EAE), a murine model of multiple sclerosis (MS). Treatment with oral 100 mg/kg isogarcinol markedly ameliorated clinical scores, alleviated inflammation and demyelination of the spinal cord, and reduced intracranial lesions in EAE mice...
November 30, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27917206/anticancer-and-antibacterial-secondary-metabolites-from-the-endophytic-fungus-penicillium-sp-cam64-against-multi-drug-resistant-gram-negative-bacteria
#19
Jean-Bosco Jouda, Jean-de-Dieu Tamokou, Céline Djama Mbazoa, Prodipta Sarkar, Prasanta Kumar Bag, Jean Wandji
BACKGROUND: The emergence of multiple-drug resistance bacteria has become a major threat and thus calls for an urgent need to search for new effective and safe anti-bacterial agents. OBJECTIVES: This study aims to evaluate the anticancer and antibacterial activities of secondary metabolites from Penicillium sp., an endophytic fungus associated with leaves of Garcinia nobilis. METHODS: The culture filtrate from the fermentation of Penicillium sp...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27904492/hydroxycitric-acid-ameliorates-inflammation-and-oxidative-stress-in-mouse-models-of-multiple-sclerosis
#20
Mahdi Goudarzvand, Sanaz Afraei, Somaye Yaslianifard, Saleh Ghiasy, Ghazal Sadri, Mustafa Kalvandi, Tina Alinia, Ali Mohebbi, Reza Yazdani, Shahin Khadem Azarian, Abbas Mirshafiey, Gholamreza Azizi
Hydroxycitric acid (HCA) is derived primarily from the Garcinia plant and is widely used for its anti-inflammatory effects. Multiple sclerosis can cause an inflammatory demyelination and axonal damage. In this study, to validate the hypothesis that HCA exhibits therapeutic effects on multiple sclerosis, we established female C57BL/6 mouse models of multiple sclerosis, i.e., experimental autoimmune encephalomyelitis, using Complete Freund's Adjuvant (CFA) emulsion containing myelin oligodendrocyte glycoprotein (35-55)...
October 2016: Neural Regeneration Research
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