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Bitter melon seed oil

Gou-Chun Chen, Wen-Hung Chen, Kuo-Tang Tseng, Pei-Min Chao
BACKGROUND: Obesity is the leading chronic disease affecting people of all ages. The objective of this study was to optimize composition of a bitter melon seed oil (BMSO) product to maximize its anti-adiposity effect. METHODS: Bleaching oil, saponifiables and non-saponifiables were prepared from BMSO, with α-eleostearic acid (α-ESA) content in BMSO maintained in bleaching oil and saponifiables. C57BL/6 J mice were allocated into five groups (n = 10/group) to receive diet C [30% soybean oil (SBO)], BM [25% SBO + 5% BMSO], BMS, BMNS or BMD...
September 29, 2017: Lipids in Health and Disease
Ya-Yuan Chang, Hui-Min Su, Szu-Han Chen, Wen-Tsong Hsieh, Jong-Ho Chyuan, Pei-Min Chao
We previously reported that bitter melon seed oil (BMSO) was an effective anti-steatosis and antiobesity agent. Since the major fatty acid α-eleostearic acid (α-ESA) in BMSO is a peroxisome proliferator-activated receptor α (PPARα) activator, the objective was to investigate the role of PPARα in BMSO-modulated lipid disorders and α-ESA metabolism. C57BL/6J wild (WD) and PPARα knockout (KO) mice were fed a high-fat diet containing BMSO (15% soybean oil + 15% BMSO, HB) or not (30% soybean oil, HS) for 5 weeks...
December 12, 2016: Nutrients
Agnieszka Białek, Małgorzata Jelińska, Andrzej Tokarz, Aleksandra Pergół, Katarzyna Pinkiewicz
Competition with polyunsaturated fatty acids (PUFA) and an impact on eicosanoid biosynthesis may be one of mechanisms of conjugated linolenic acids (CLnA) action. The aim of this study was to investigate the influence of diet supplementation with pomegranate seed oil, containing punicic acid (PA)-one of CLnA isomers, and an aqueous extract of dried bitter melon fruits, administered separately or together, on PUFA and their lipoxygenase metabolites' concentration in serum of rats. Percentage share of fatty acids was diversified in relation to applied supplementation...
November 2016: Prostaglandins & Other Lipid Mediators
Gou-Chun Chen, Hui-Min Su, Yu-Shun Lin, Po-Yen Tsou, Jong-Ho Chyuan, Pei-Min Chao
α-Eleostearic acid (α-ESA), or the cis-9, trans-11, trans-13 isomer of conjugated linolenic acid, is a special fatty acid present at high levels in bitter melon seed oil. The aim of this study was to examine the effect of α-ESA on hepatic lipid metabolism. Using H4IIEC3 hepatoma cell line, we showed that α-ESA significantly lowered intracellular triglyceride accumulation compared to α-linolenic acid (LN), used as a fatty acid control, in a dose- and time-dependent manner. The effects of α-ESA on enzyme activities and mRNA profiles in H4IIEC3 cells suggested that enhanced fatty acid oxidation and lowered lipogenesis were involved in α-ESA-mediated triglyceride lowering effects...
July 2016: Journal of Nutritional Biochemistry
Debjyoti Paul, Sayani Mukherjee, Rajarshi Chakraborty, Sanjaya K Mallick, Pubali Dhar
The objective of the present study was to fabricate and monitor real-time, impact of a stable conjugated linolenic acid, α-eleostearic acid (ESA) rich nanoemulsion (NE) formulation (d < 200 nm) vis-à-vis ESA conventional emulsion (CE) system in ex vivo systems against both endogenous and exogenous reactive oxygen species (ROS). Accordingly, stable nanoemulsion formulation of ESA was engineered with the aid of bitter melon seed oil and non-toxic excipients. Morphology and particle size of the emulsion formulations were studied to validate stability...
February 1, 2015: Colloids and Surfaces. B, Biointerfaces
Agnieszka Białek, Marta Teryks, Andrzej Tokarz
Polyunsaturated fatty acids (PUFA) have a wide range of biological activity. Among them conjugated fatty acids are of great interest. Conjugated linoleic acids (CLA), which exert a multidirectional health-benefiting influence, and conjugated linolenic acids (CLnA, super CLA) are examples of this group of fatty acids. CLnA are a group of positional and geometric isomers of octadecatrienoic acid (C18:3), which possess double bonds at positions 9, 11, 13 or 8, 10, 12 of their chain. Some vegetable oils are rich sources of CLnA, e...
2014: Postȩpy Higieny i Medycyny Doświadczalnej
Gülsüm Yaldız, Nazım Sekeroglu, Muhittin Kulak, Gürkan Demirkol
This study was designed to determine the adaptation capability of bitter melon (Momordica charantia L.), which is widely grown in tropical and subtropical climates, in northern parts of Turkey. In this study, plant height, number of fruits, fruit length, fruit width, number of seeds and fruit weight of bitter melon grown in field conditions were determined. The antimicrobial effect of the ethanol extract of fruit and seeds against Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus, Salmonella typhi, Aspergillus niger and Candida albicans microorganisms was tested in vitro by the disc diffusion method...
2015: Natural Product Research
Cheng-Hsien Hsieh, Gou-Chun Chen, Pei-Hsuan Chen, Ting-Feng Wu, Pei-Min Chao
OBJECTIVE: We have previously shown that bitter melon seed oil (BMSO), which is rich in cis-9, trans-11, trans-13 conjugated linolenic acid, is more potent than soybean oil in attenuating body fat deposition in high-fat diet-induced obese C57BL/6J mice. The aim of this study was to obtain a comprehensive insight into how white adipose tissue (WAT) is affected by BMSO administration and to explore the underlying mechanisms of the anti-adiposity effect of BMSO. METHODS AND RESULTS: A proteomic approach was used to identify proteins differentially expressed in the WAT of mice fed diets with or without BMSO for 11 wks...
2013: PloS One
Pei-Hsuan Chen, Gou-Chun Chen, Mei-Fang Yang, Cheng-Hsien Hsieh, Shu-Han Chuang, Hsin-Ling Yang, Yueh-Hsiung Kuo, Jong-Ho Chyuan, Pei-Min Chao
The aim of this study was to investigate the antiadiposity effect of bitter melon seed oil (BMSO), which is rich in the cis-9, trans-11, trans-13 isomer of conjugated linolenic acid. In Expt. 1, C57BL/6J mice were fed a butter-based, high-fat diet [HB; 29% butter + 1% soybean oil (SBO)] for 10 wk to induce obesity. They then continued to receive that diet or were switched to an SBO-based, high-fat diet alone (HS; 30% SBO) or containing bitter melon seed oil (BMSO) (HBM; 15% SBO + 15% BMSO) for 5 wk. The body fat percentage was significantly lower in mice fed the HBM diet (21%), but not the HS diet, compared with mice fed the HB diet...
July 2012: Journal of Nutrition
Michael E Grossmann, Nancy K Mizuno, Michelle L Dammen, Todd Schuster, Amitabha Ray, Margot P Cleary
Eleostearic acid (alpha-ESA) is a conjugated linolenic acid that makes up approximately 60% of Momordica charantia (bitter melon) seed oil. Prior work found that water extract from bitter melon was able to inhibit breast cancer. Here, we investigated effects of alpha-ESA on both estrogen receptor (ER)-negative MDA-MB-231 (MDA-wt) and ER-positive MDA-ERalpha7 human breast cancer cells. We found that alpha-ESA inhibited proliferation of both MDA-wt and MDA-ERalpha7 cells, whereas conjugated linoleic acid had comparatively weak antiproliferative activity at 20 to 80 micromol/L concentrations...
October 2009: Cancer Prevention Research
Hiroyuki Kohno, Rikako Suzuki, Yumiko Yasui, Masashi Hosokawa, Kazuo Miyashita, Takuji Tanaka
Pomegranate (Punica granatum L.) seed oil (PGO) contains more than 70% cis(c)9,trans(t)11,c13-18:3 as conjugated linolenic acids (CLN). Our previous short-term experiment demonstrated that seed oil from bitter melon (Momordica charantia) (BMO), which is rich in c9,t11,t13-CLN, inhibited the occurrence of colonic aberrant crypt foci (ACF) induced by azoxymethane (AOM). In this study, we investigated the effect of dietary PGO on the development of AOM-induced colonic malignancies and compared it with that of conjugated linoleic acid (CLA)...
June 2004: Cancer Science
Hiroyuki Kohno, Yumiko Yasui, Rikako Suzuki, Masashi Hosokawa, Kazuo Miyashita, Takuji Tanaka
Our previous short-term experiment demonstrated that seed oil from bitter melon (Momordica charantia) (BMO), which is rich in cis(c)9, trans(t)11, t13-conjugated linolenic acid (CLN), inhibited the development of azoxymethane (AOM)-induced colonic aberrant crypt foci (ACF). In our study, the possible inhibitory effect of dietary administration of BMO on the development of colonic neoplasms was investigated using an animal colon carcinogenesis model initiated with a colon carcinogen AOM. Male F344 rats were given subcutaneous injections of AOM (20 mg/kg body weight) once a week for 2 weeks to induce colon neoplasms...
July 20, 2004: International Journal of Cancer. Journal International du Cancer
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