View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Springer - Publisher Connector Orient Pharm Exp Med (2011) 11:51–59 DOI 10.1007/s13596-011-0002-x RESEARCH ARTICLE Health effects of omega-3,6,9 fatty acids: Perilla frutescens is a good example of plant oils Mohammad Asif Received: 9 September 2010 /Accepted: 17 January 2011 /Published online: 4 March 2011 # The Author(s) 2011. This article is published with open access at Springerlink.com Abstract Perilla frutescens seeds are a good source of Asian countries. The herb is about 1 m high with small polyunsaturated fatty acids (PUFAs). The seeds of perilla flowers, a gray-brown fruit, and glossy, downy-haired are small end globular weight about 4 g/1000, contained leaves. Cultivation of the crop is grown from seed and approximately 35–45% oil. However the leaves are a very sown in May. Harvesting is usually between the end of poor source of oil, since they contain only 0.2%. In September and beginning of October. The applicable parts addition, only the seed oil contains the omega 3 fatty acid of perilla plants are the leaves and seeds. There are two alpha-linolenic acid (ALA). In comparing to other plant oils, main types: red and green perilla. Perilla seeds, also called perilla seed oil consistently contains the one of the highest EBARA seed. This oil is a kind of light yellow clear and proportion of omega-3 (ALA) fatty acids, at 54–64%. The transparent liquid, with aromatic odor and slight soluble in omega-6 (linoleic acid) component is usually around 14% ethanol. Major fatty acids of the oil are unsaturated fatty and omega-9 (Oleic acid) is also present in perilla oil. acids like Oleic acid 14–23%, linoleic acid 11–16%, These polyunsaturated fatty acids are most beneficial to linolenic acid 54–64% (Graph 1). This oil also contains human health and in prevention of different diseases like saturated fatty acids 6.7–7.6%. Perilla seeds contain cardiovascular disorders, cancer, inflammatory, rheumatoid different polyphenols or flavones (rosemarinic acid, luteolin, arthritis etc. chrysoeriol, quercetin, catcehin, apegenin and shishonin). Perilla seed oil is used as cooking oil, fuel. It is dry oil Keywords Perilla frutescencs . Polyunsaturated fatty used as in paint, varnish and ink manufacturing or as a acids . Alpha-linolenic acid . Cardiovascular . substitute for linseed oil. The seed cakes are used as Inflammatory. Rheumatoid arthritis animals and birds feed (Gediminas et al. 2008;Talbott and Hughes 2006; Longvah et al. 2000; Borchers et al. 1997; Narisawa et al. 1994). Introduction Source and uses of omega fatty acids General description of Perilla frutescencs Perilla is used for oil production as a rich source of omega-3 Perilla frutescens, is a member of the Lamiaceae/Labiatae polyunsaturated fatty acids (PUFAs), specifically alpha- family and commonly called perilla. The crop is annual and linolenic acid (ALA). It also contains omega 6 and omega is native to India and China. Major producing countries of 9 fatty acids. Omega fatty acids are the essential for our perilla are China, India, Japan, Korea, Thailand, other East health, so the omega-3s and 6s must be obtained through our diet or by supplementation. It is the best resources M. Asif (*) for additional human omega-3 polyunsaturated fatty acids Department of Pharmacy, (PUFAs). ALA (omega-3 fatty acid), is found in some other GRD (PG) Institute of Management & Technology, plant oils sources such as flaxseed (linseed), with lower Rajpur Road, Dehradun 248009, India amounts in walnut, canola, soy and animal sources like fish oil e-mail: [email protected] (cold water fish as salmon, cod and mackerel). 52 M. Said Graph 1 Gas Chromatography report of perilla frutescens seeds oil Perilla oil suppresses the production of chemical (alpha-linolenic acid). Flax, like chia, contains approxi- mediator in the allergy and inflammatory responses. These mately three times as much n−3asn−6. 15 g of flaxseed oil essential fatty acids have been associated with benefits in a provides 8 g of ALA, which is converted in the body to wide range of inflammatory conditions, heart diseases, EPA and then DHA at efficiency of 5–10% and 2–5%, colitis/Crohn’s disease, asthma, allergies, antimicrobial, respectively (Azcona et al. 2008; Lewis 2008; Albert et al. anticancer etc. Perilla is also used for nausea, sunstroke, 2002; Schacky and Dyerberg 2001; James et al. 2000; to induce sweating and as an antispasmodic. In vivo Mattson and Grundy 1985) (Tables 1 and 2). metabolism of polyunsaturated omega-3 fatty acids, it mainly exists in the form of DHA (docosahexaenoic acid) Animal sources and EPA (eicosapentaenoic acid). These two specific omega-3 fatty acids metabolites are inserted in cell Fish The most widely available source of EPA and DHA membranes throughout the body, where cellular machinery is cold water oily fish such as salmon, herring, mackerel, converts them into substances which prevent abnormal anchovies and sardines. Oils from these fish have a clotting, reduce inflammation, and relax blood vessels and profile of around seven times as much omega−3as improved ventilatory parameters (Lewis 2008; Talbott and omega−6. Other oily fish such as tuna also contain Hughes 2006; Calder 2004; James et al. 2000; Chin et al. omega−3 in somewhat lesser amounts. Consumers of oily 1992; Mattson and Grundy 1985). fish should be aware of the potential presence of heavy metals and fat-soluble pollutants like PCBs and dioxin Other dietary sources of omega-3 fatty acids which may accumulate up the food chain. Although fish is a dietary source of n−3 fatty acids, fish do not Botanical sources synthesize them; they obtain them from the algae or plankton in their diet (James et al. 2000; Renaud 2002; Flax seeds produce linseed oil, which has a very high Chin et al. 1992). omega−3 fatty acid content Six times richer than most fish oils in n−3, flax (or linseed) (Linum usitatissimum) and its Eggs Eggs produced by chickens fed a diet of greens oil are perhaps the most widely available botanical source and insects produce higher levels of n−3 fatty acids of n−3. Flaxseed oil consists of approximately 55% ALA (mostly ALA) than chickens fed corn or soybeans. In Table 1 Omega−3 content as − the percentage of ALA in Common name Alternative name Linnaean name % of omega 3 the seed oil (From Wikipedia, the free encyclopedia report) Chia chia sage Salvia hispanica 64 Kiwifruit Chinese gooseberry Actinidia chinensis 62 Perilla shiso Perilla frutescens 58 Flax linseed Linum usitatissimum 55 Lingon berry Cowberry Vaccinium vitisidaea 49 Camelina Gold-of-pleasure Camelina sativa 36 Purslane Portulaca Portulaca oleracea 35 Black Raspberry Rubus occidentalis 33 Health effects of omega-3,6,9 fatty acids 53 Table 2 Omega−3 content as the percentage of ALA in the whole the only source of DHA acceptable to vegans. Oil from food (Wikipedia, the free encyclopedia) brown algae (kelp) is a source of EPA. Walnuts are one of Common name Linnaean name % Omega–3 few nuts that contain appreciable n−3 fat, with approxi- mately a 1:4 ratio of n−3ton−6. Acai palm fruit also Flaxseed Linum usitatissimum 18.1 contains n−3 fatty acids. Omega-3 is also found in soft gels Butternuts Juglans cinerea 8.7 in pharmacies and nowadays it is also found in combination Hempseed Cannabis sativa 8.7 with omega-6, omega-9 and shark liver oil(Azcona et al. Walnuts Juglans regia 6.3 2008; Trebunová et al. 2007). Pecan nuts Carya illinoinensis 0.6 Hazel nuts Corylus avellana 0.1 Chemistry of fatty acids Some vegetables, too, contain a noteworthy amount of n−3, including strawberries and broccoli Perilla is an alternative source of fatty acids that contains both saturated and unsaturated (monosaturated and addition to feeding chickens insects and greens, fish oils polyunsaturated) fatty acids. Fatty acids having more than may be added to their diet to increase the amount of one double bonds are termed as PUFAs. It contains saturated fatty acid concentrations in eggs. The addition of flax fatty acids mainly palmitic acid 5–7%, stearic acid 1–3%, and canola seeds to the diet of chickens, both good monosaturated oleic acid 12–22%, and poly saturated sources of alpha-linolenic acid, increases the omega-3 fatty acids linoleic acid 13–20%, γ-linolenic acid 0–1%, content of the eggs (Azcona et al. 2008; Trebunová et al. α-linolenic acid 52–64%, icosanoic acid 0–1%. Increase in 2007). the number of double bonds progressively decreases the melting point. Unsaturated fatty acids are lower melting Meat The n−6ton−3 ratio of grass-fed beef is about 2:1, point than saturated fatty acids. Plant triglycerides have a making it a more useful source of n−3 than grain-fed beef, large portion of unsaturated fatty acids such as oleic, which usually has a ratio of 4:1. In most countries, lenoleic and linolenic acids. Animal triglycerides have commercially available lamb is typically grass-fed, and high proportion of saturated fatty acids such as palmitic thus higher in n−3 than other grain-fed or grain-finished and stearic acids (Tables 3 and 4). meat sources. The omega-3 content of chicken meat may be The carbon chain of saturated fatty acids posses enhanced by increasing the animals’ dietary intake of grains zigzag configuration with the bond between carbon-carbon that are high in n−3, such as flax, chia, and canola (Azcona being 109°. The stearic acid (18 C) depicted as fallows et al. 2008; Trebunová et al.