Tocopherols, Antiradical Activity and Fatty Acids in Seeds of Silybum marianum (L.) Gaerth

Hasanloo, Tahereh; Sepehrifar, R.; Bahmany, M.; Kalantary, F.

doi:10.1007/978-3-540-69139-6_92

Cited by 7 publications

(9 citation statements)

References 15 publications

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“…Pakistani samples had also higher contents of linoleic acid (64.4%) and oleic acid (26.38%) (KHAN et al, 2007). However, Iranian samples showed lower content of linoleic acid (45.36%), but higher conent of oleic acid (31.58%) (HASANLOO et al, 2008). The fatty acid composition of the milk thistle oil was similar to the corn kernel oil, where linoleic acid was the most abundant fatty acid (49.7-62.7%) followed by oleic (23.5-34.9%) and palmitic (9.5-11.5%) acids (HARRABI et al, 2009).…”

Section: Fatty Acid Patternmentioning

confidence: 94%

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Fatty acid and triacylglycerol compositions of milk thistle seeds growing wild in Tunisia (Silybum marianum L.)

Harrabi¹,

Romdhane²,

Daassa³

et al. 2015

Acta Alimentaria

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The milk thistle plant grows in many regions in Tunisia; however, there is no literature regarding their oil composition. In this study, oil content, fatty acids and triacylglycerols compositions of milk thistle seeds growing wild in Tunisia were determined. The oil content was 30.5%, thus milk thistle seeds could be exploited as natural new source of oil. Among the fatty acids, linoleic acid had the highest percentage (59.98%) followed by oleic acid (21.26%) and palmitic acid (12.74%). The extracted oil from milk thistle seeds is rich in polyunsaturated fatty acids (60.37%). Various molecular species of TAGs were detected and the major forms were LLL (22.30%), OLL (20.40%), PLL (17.31%), POL (14.30%), and OOL (7.90%). It can be concluded that milk thistle seed oil has a characteristic TAG pattern as compared with these elucidated for olive oil and soybean oil.

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Section: Fatty Acid Patternmentioning

confidence: 94%

“…A literature search revealed that there is limited information on the fatty acid profi le of milk thistle seeds (HASANLOO et al, 2008;RŮŽIČKOVÁ et al, 2011). The fatty acid composition determined by GC is presented in Table 1.…”

Section: Fatty Acid Patternmentioning

confidence: 99%

Fatty acid and triacylglycerol compositions of milk thistle seeds growing wild in Tunisia (Silybum marianum L.)

Harrabi¹,

Romdhane²,

Daassa³

et al. 2015

Acta Alimentaria

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“…Recently, certain Silybum marianum accessions have begun to be cultivated in several countries and the specie is undergoing domestication for making the supply of silymarin sustainable [ 28 ]. Previously published studies examined the triacylglycerol, fatty acid, tocopherol, sterol and polyhpenol composition of milk thistle seeds [ 10 , 26 , 29 – 32 ]. Significant differences were observed between milk thistle cultivars for the content of bioactive compounds [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Policosanol composition, antioxidant and anti-arthritic activities of milk thistle (Silybium marianum L.) oil at different seed maturity stages

et al. 2018

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BackgroundSeveral anti-arthritic drugs and synthetic antioxidants have wide pharmaceutical uses and are often associated with various side effects on the human health. Dietary seed oils and their minor components like policosanol may offer an effective alternative treatment for arthritic and oxidative-stress related diseases. The biological effects of seed oils were affected by different parameters such as the stage of seed maturity. Hence, this study seeks to determine the policosanol content, antioxidant and anti-arthritic activities of milk thistle (Silybium marianum L.) oil extracted at various stages of seed maturation.MethodsMilk thistle oil samples were extracted from seeds collected at three maturation stages (immature, intermediate, and mature). The 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis (3-ethyl-benzthiazoline-6-sulfonic acid) (ABTS) radical scavenging assays were used to determine the antioxidant activity of the extracted oils. The anti-arthritic activity of oil samples was evaluated with bovine serum protein denaturation and egg albumin denaturation methods. Gas chromatography coupled to mass spectrometry (GC-MS) was employed to determine the policosanol profile.ResultsPolicosanol profile, antioxidant and anti-arthritic activities of milk thistle oil were influenced by the seed maturity stages. The oil extracted from the immature seeds had the highest total policosanol content (987.68 mg/kg of oil) and displayed the maximum antiradical activity (96.42% and 90.35% for DPPH test and ABTS assay, respectively). Nine aliphatic alcohols were identified in the milk thistle oil. The dominant poliosanol in the mature seed oil was octacosanol (75.44%), while triacontanol was the major compound (40.25%) in the immature seed oil. Additionally, the maximum inhibition of bovine serum protein denaturation (92.53%) and egg albumin denaturation (86.36%) were observed in immature seed oil as compared to mature seed oil. A high correlation was found between the total policosanol content, anti-arthritic activity and antioxidant capacity of oil.ConclusionsThe milk thistle oil exhibited a potential anti-arthritic and antioxidant activities and that it might contribute to the protection of humans from a variety of diseases like rheumatoid arthritis. Also, it could serve as natural antioxidant and anti-arthritic agents for application in the food industries and pharmaceutic. Policosanol level in the seed oils might contribute to their anti-arthritic and antioxidant activities.

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“…Even if mass spectrometry is currently probably the most widely application used detection method, the flame ionization detector (FID) remains of interest because it is universal for hydrocarbon compounds (Buchmabauer et al 1997;Hasanloo et al 2008;Rather et al 2012). Other detectors may present some interest in plant analysis such as the thermo-ionic detector also called NPD because it specifically detects nitrogen-(i.e., alkaloids) and phosphorus-containing compounds.…”

Section: Generalitiesmentioning

confidence: 99%

“…Apolar compounds such as phytosterols (Grunwald 1970;Du and Ahn 2002;Dhara et al 2010), tocopherols, and tocotrienols (Du and Ahn 2002;Ruperez et al 2001), and fatty acids (free or as fatty acid methyl esters) (Fig. 13) (Hasanloo et al 2008;Seppanen-Laakso et al 2002;Ng 2002;Viron et al 2000) are also analyzed by GC-MS. Carotenoids are less volatile and thermodegradable. Therefore, gas chromatography is not really suitable for their analysis (Rodriguez-Amaya 2001).…”

Section: Applications To Plant Analysismentioning

confidence: 99%

The Modern Art of Identification of Natural Substances in Whole Plants

Chaimbault

2014

Recent Advances in Redox Active Plant and Microbial Products

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Tocopherols, Antiradical Activity and Fatty Acids in Seeds of Silybum marianum (L.) Gaerth

Cited by 7 publications

References 15 publications

Fatty acid and triacylglycerol compositions of milk thistle seeds growing wild in Tunisia (Silybum marianum L.)

Fatty acid and triacylglycerol compositions of milk thistle seeds growing wild in Tunisia (Silybum marianum L.)

Policosanol composition, antioxidant and anti-arthritic activities of milk thistle (Silybium marianum L.) oil at different seed maturity stages

The Modern Art of Identification of Natural Substances in Whole Plants

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