scholarly journals Lipidomics and Anti-Inflammation Activity of Brown Algae, Lobophora sp., in Vietnam

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Thu Hue Pham ◽  
Van Tuyen Anh Nguyen ◽  
Thi Thanh Trung Do ◽  
Anh Duy Do ◽  
Duc Tien Dam ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Polar Lipid ◽  
Brown Algae ◽  
Molecular Forms ◽  
Potential Source ◽  
First Time ◽  
Anti Inflammation ◽  
Macro Algae ◽  
Betaine Lipid

Lobophora sp., belonging to brown macro algae phylum, is found in coral reefs. In this study, the fatty acid composition, lipid classes, polar lipid molecular forms, and bioactivities of this algae have been determined. It follows that five classes including polar lipid (Pol), sterol (ST), free fatty acids (FFA), triacylglycerol (TAG), and hydrocarbon and wax (HW), 23 fatty acids containing 5 PUFAs (ALA, GLA, AA, EPA, and DHA) and 157 molecular types of polar lipid group containing 48 phospholipid molecular forms belonging to 4 subclasses (PI (11), PC (14), PG (22), PA (1)), 45 glycolipid molecular forms classified into 3 subclasses of MGDG (8), DGDG (1), SQDG (36), and 64 betaine lipid molecular forms belonging to 2 subclasses (DGTA (37), DGTS (27)) have been identified for the first time from this algae. Furthermore, both polar lipid (PL) and unpolar lipid (UPL) show the NO inhibition activities with values of IC50 ranging from 52.10 to 66.21 µg/mL. Thus, lipid of this brown algae could promise to be a potential source for application in food, cosmetic, and pharmaceutic industry.

scholarly journals Ripening and Solar Exposure Alter Polar Lipid Fatty Acid Composition of `Honey Dew' Muskmelons

HortScience ◽  
1990 ◽  
Vol 25 (10) ◽  
pp. 1262-1264 ◽  
Author(s):  
Charles F. Forney
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Solar Radiation ◽  
Acid Composition ◽  
Polar Lipid ◽  
Unsaturated Fatty Acids ◽  
Polar Lipids ◽  
Solar Exposure ◽  
Lipid Fatty Acid

Polar lipids were extracted from immature through overripe `Honey Dew' muskmelons (Cucumis melo L.) that were exposed to high or low levels of solar radiation. Fatty acid composition of the polar lipids changed and the percentage of unsaturated fatty acids increased as fruit ripened. The percentage of monounsaturated fatty acids palmitoleic and oleic acid as a percent of total fatty acids increased from 8% in melons of minimum maturity to >50% in overripe melons. Also, the ratio of unsaturated to saturated fatty acids increased from 2.2 to 5.0. Total polar lipid fatty acid compostion from middle mesocarp tissue (flesh) did not change as much during ripening as the polar lipid composition from the epidermis (peel). Peel tissue from the top of melons relative to the ground had unsaturation ratios of C18 fatty acids and C16 fatty acids 33% and 62% greater, respectively, than peel from the bottom of the melon. Melons of minimum maturity exposed to solar radiation had significantly more unsaturated C18 fatty acids than shaded melons. Increase in the percentage of unsaturated polar lipid fatty acids in `Honey Dew' melons may relate to increases in chilling tolerance reported to occur with ripening and solar exposure.

Neutral lipids, phospholipids, and a betaine lipid of the snow mold fungus Microdochium nivale

1998 ◽  
Vol 44 (11) ◽  
pp. 1051-1059 ◽  
Author(s):  
Anita Istokovics ◽  
Naoki Morita ◽  
Kazuo Izumi ◽  
Tamotsu Hoshino ◽  
Isao Yumoto ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Neutral Lipid ◽  
Polar Lipid ◽  
Lipid Fraction ◽  
Microdochium Nivale ◽  
Neutral Lipid Fraction ◽  
Polar Lipid Fraction ◽  
Snow Mold ◽  
Betaine Lipid

The hyphae of the snow mold Microdochium nivale contained lipids in a yield of about 10% w/w of the dry matter of hyphae. The total lipid was fractionated into neutral and polar lipid fractions. In the neutral lipid fraction, triacylglylcerol was the sole major component. As minor components, ergosterol, diacylglycerol, free fatty acid, and fatty acyl ergosterol were identified. The polar lipid fraction contained phospholipids, glycolipids, and a lipid containing neither phosphorus nor sugar. Phosphatidylethanolamine, phosphatidylcholine, phosphatidylglycerol, phosphatidylserine, and phosphatidic acid were identified as phospholipids. The polar lipid fraction included at least four kinds of glycolipids that have not been identified. A very unusual lipid in fungi, a betaine lipid, diacylglyceryltrimethylhomoserine, was identified by chemical and physicochemical analyses. The level of the neutral lipid fraction, which accounted for 60% of the total lipid in hyphae at the exponential phase, was significantly increased compared with that of the polar lipid fraction and constituted 80% of the total at the stationary phase. The neutral and polar lipids of Microdochium nivale contained 18:3 (9,12,15), 18:2 (9,12), 18:1 (9), and 16:0 as principal fatty acids. Among them, 18:2 (9,12) and 18:3 (9,12,15) were the major fatty acids of triacylglycerol, phosphatidylcholine, phosphatidylglycerol, and phosphatidylethanolamine, whereas in diacylglyceryltrimethylhomoserine, the major components were 16:0 and 18:3 (9,12,15).Key words: snow mold, phospholipids, betaine lipid, fatty acid, Microdochium nivale.

Lipid metabolism of a Tertiary relic species, Kerguelen cabbage (Pringlea antiscorbutica)

1987 ◽  
Vol 65 (11) ◽  
pp. 2368-2372 ◽  
Author(s):  
Albert-Jean Dorne ◽  
Jacques Joyard ◽  
Roland Douce
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Polar Lipid ◽  
Direct Injection ◽  
Lipid Synthesis ◽  
Resistant Plant ◽  
Mature Leaves ◽  
Feature Characteristic ◽  
Relic Species

The Kerguelen cabbage, Pringlea antiscorbutica R. Br., is a Tertiary relic Cruciferous species well adapted to the continuous cold conditions of this subantarctic archipelago. Each shoot exhibits all the steps of differentiation from embryonic leaves (1 mm) to mature leaves (30–40 cm). In the mature leaf, the chlorophyllous part is often reduced to a narrow peripheral strip, the chloroplasts being replaced progressively by amyloplasts toward the leaf center. This particular situation led us to compare the overall polar lipid and fatty acid composition from the green part of the mature leaves with those of the undifferentiated leaves, without chloroplasts. These lipid compositions are identical with those of all the C16:3 plants analyzed to date. The only feature characteristic of a chilling-resistant plant is the high percentage of saturated phosphatidylglycerol (16:0 + 16:1t). Polar lipid synthesis was followed by direct injection of [14C]acetate into the immature leaves. The incorporations of [14C]acetate into phosphatidylcholine and monogalactosyldiacylglycerol fatty acids closely parallel each other and there is no indication of fatty acid transfer from phosphatidylcholine to monogalactosyldiacylglycerol.

Identification of Nematicidal Fatty Acids and Triglycerides from Seeds of Jubaea chilensis by GC-EI-MS and Chemical Transformation Methods

2005 ◽  
Vol 60 (7-8) ◽  
pp. 527-533 ◽  
Author(s):  
Jian-Qiao Gu ◽  
C. Mark Eppler ◽  
Gloria Montenegro ◽  
Scott D. Timmins ◽  
Barbara N. Timmermann
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Chemical Transformation ◽  
Methyl Esters ◽  
Inhibitory Effects ◽  
Transformation Techniques ◽  
Bioassay Guided Fractionation ◽  
Transformation Methods ◽  
First Time

Nematicidal bioassay-guided fractionation of the n-hexane extract of the seeds of Jubaea chilensis led to the identification of eight known fatty acids and a mixture of triglycerides, reported for the first time for this species. In addition, their corresponding methyl esters were identified to be artifacts generated during the extraction and isolation procedures by using GC-EI-MS and chemical transformation methods. The fatty acid composition of the triglycerides was analyzed by GC-EI-MS and chemical transformation techniques. Among the 17 compounds, only lauric acid and myristic acid exhibited significant inhibitory effects on the movement of Caenorhabditis elegans with minimum inhibitory concentrations (MIC) of 75 μg/ml.

FATTY ACID COMPOSITION OF ENDOPHYTIC MICROALGAE LAMINARIOCOLAX AECIDIOIDES, STREBLONEMA CORYMBIFERUM AND STREBLONEMA SP. (ECTOCARPALES, PHAEOPHYCEAE)

2021 ◽  
Author(s):  
Оксана Андреевна Чадова ◽  
Петр Владимирович Веланский
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Neutral Lipids ◽  
Neutral Fraction ◽  
High Concentration ◽  
Lipid Fractions ◽  
Hydroxylated Fatty Acids ◽  
First Time

Впервые исследован жирнокислотный состав полярных и нейтральных липидов бурых эндофитных микроводорослей Laminariocolax aecidioides, Streblonema corymbiferum и Streblonema sp. Показано, что в состав полярных липидов входят главным образом полиненасыщенные жирные кислоты, такие как 18:3ω-3, 18:4ω-3 и 20:5ω-3. Во фракциях нейтральных липидов всех образцов доминировали насыщенные жирные кислоты 14:0 и 16:0, мононенасыщенная 18:1ω-9 и полиненасыщенная 18:2ω6. Отмечена высокая концентрация 16:1ω-7 в нейтральной фракции Streblonema sp. Во всех липидных фракциях эндофитов, кроме нейтральных липидов S. corymbiferum, обнаружены гидроксилированные жирные кислоты 22:0Δ2-OH и 24:0Δ2-OH. The fatty acid composition of polar and neutral lipids of brown endophytic microalgae Laminariocolax aecidioides , Streblonema corymbiferum and Streblonema sp. was investigated for the first time. It was shown that the composition of polar lipids of endophytes includes mainly polyunsaturated fatty acids, such as 18:3ω-3, 18:4ω-3 and 20: 5ω-3. Saturated 14:0 and 16:0, monounsaturated 18:1ω-9 and polyunsaturated 18:2ω6 dominated the neutral lipids of all samples. A high concentration of 16:1ω-7 was observed in the neutral fraction of Streblonema sp. Hydroxylated fatty acids 22:0Δ2-OH and 24:0Δ2-OH were found in all lipid fractions, except for neutral lipids of S. corymbiferum .

scholarly journals Lipidomic markers of sperm cryotolerance in cattle

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Holly C. Evans ◽  
Thu T. N. Dinh ◽  
Muhammet Rasit Ugur ◽  
Mustafa Hitit ◽  
Dishnu Sajeev ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Polar Lipid ◽  
Assisted Reproductive Technologies ◽  
Saturated Fatty Acids ◽  
Lipid Fraction ◽  
Membrane Integrity ◽  
Reproductive Technologies

AbstractThe objective of the current study was to determine the fatty acid composition of sperm from Holstein bulls with different freezability (Good and Poor; n = 12). Fatty acids were extracted from frozen sperm in 1:2 (v/v) chloroform–methanol solvent, fractionated into neutral and polar fractions, and composition determined by gas chromatography–mass spectrometry. Thirty-four fatty acids were quantified and their concentrations and percentages within each lipid fraction were calculated. Overall, saturated fatty acids (SFA) were predominant, accounting for 71 to 80% of fatty acids in neutral and polar lipid factions. There were marked differences in fatty acid composition between the lipid fractions (P < 0.001). The branched chain fatty acid (BCFA) concentration (15 to 18 µg) was almost twice as much as polyunsaturated fatty acids (PUFA) concentration found in the polar lipid fraction (8 to 9 µg; P < 0.001). Sperm with different freezability phenotypes only had a few differences in 22:0, 18:1 cis 9, and 14:0 13-methyl fatty acids (P ≤ 0.011). These results are significant because they reveal key understandings of fatty acid composition of sperm membrane and lay a foundation for the manipulation of membrane integrity, fluidity, and stability to advance the assisted reproductive technologies.

The fatty acid composition of four entomogenous imperfect fungi

1969 ◽  
Vol 15 (7) ◽  
pp. 818-820 ◽  
Author(s):  
D. Tyrrell
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Linoleic Acid ◽  
Neutral Lipid ◽  
Acid Composition ◽  
Beauveria Bassiana ◽  
Polar Lipid ◽  
Neutral And Polar Lipids ◽  
Fatty Acid Compositions

The fatty acid compositions of total, neutral, and polar lipids of Beauveria bassiana, Metarrhizium anisopliae, Isaria farinosa, and Hirsutella gigantea were determined. Major fatty acids were palmitic, oleic, and linoleic; smaller amounts of palmitoleic, stearic, and α-linolenic were also present. Neutral lipid contained a higher proportion of oleic and stearic acids than did total and polar lipid, whilst polar lipid had the highest proportion of linoleic acid. The rest of the acids were evenly distributed between the two fractions.

The fatty acid composition of conidia of Aspergillus niger V. Tiegh.

1972 ◽  
Vol 18 (10) ◽  
pp. 1575-1576 ◽  
Author(s):  
M. Gunasekaran ◽  
W. M. Hess ◽  
D. J. Weber
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Aspergillus Niger ◽  
Lipid Content ◽  
Polar Lipid ◽  
Lipid Fraction ◽  
Lipid Bodies ◽  
Neutral Lipid Fraction ◽  
Total Fatty Acids

The lipids from conidia of Aspergillus niger were extracted and identified. The polar lipid content was higher (54.3%) than the neutral lipid fraction (45.7%). The major fatty acids present were C16:0, C18:0, C18:1, and C18:2. The amount of unsaturation in total fatty acids (62%) was higher than the unsaturation in the polar lipids (35%). Freeze-etched replicas of dormant conidia revealed the presence of lipid bodies.

scholarly journals Fatty Acid Profile of Roots and Aerial Parts of Ruscus hyrcanus Woronow

2019 ◽  
Vol 25 (1) ◽  
pp. 78-81 ◽  
Author(s):  
Mir Babak Bahadori ◽  
Solmaz Asnaashari ◽  
Hossein Nazemiyeh
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Linoleic Acid ◽  
Essential Fatty Acids ◽  
Fatty Acid Analysis ◽  
Aerial Parts ◽  
Esterified Fatty Acids ◽  
First Time

Background: Ruscus specie are used as traditional medicine, food, and foliage. The aim of this work is the determination of fatty acid composition of Ruscus hyrcanus as a native medicinal plant of Iran for the first time together with comparison of different esterification methods. Methods: Two different esterification methods were used for preparation of esterified fatty acids from different extracts of underground and aerial parts of the herb. GC/MS analysis were used for identification and quantification of fatty acids. Finally, the results were compared. Results: Findings showed that R. hyrcanus is rich in essential fatty acids such as linoleic acid (13-25%) and linolenic acid (23-44%). Also, oil samples contain remarkable amount of palmitic acid (19-57%). Conclusion: The results showed that R. hyrcanus could be considered as a source of essential fatty acids. Also, it could be concluded that a simple esterification method with methanolic KOH and 2 min vortex is suitable for fatty acid analysis of Ruscus species.

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