Value Added Products, Chemical Constituents and Medicinal Uses of Celery (Apium Graveolens L.) – a Review
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IJCBS, 8(2015):40-48 International Journal of Chemical and Biochemical Sciences (ISSN 2226-9614) Journal Home page: www.iscientific.org/Journal.html © International Scientific Organization Value Added Products, Chemical Constituents and Medicinal Uses of Celery (Apium graveolens L.) – A Review Ayesha Khalil1, Haq Nawaz1, Jihene Ben Ghania2, Rafia Rehman1 and Farwa Nadeem1* 1Department of Chemistry, University of Agriculture, Faisalabad-38040-Pakistan and 2Department of Biology, Faculty of Sciences, University of Tunis, E.I Manar Tunis Abstract Celery (Apium graveolens L.) is an annual or perennial plant that is widespread in distribution and belongs to the family Apiaceae or Umbelliferae. This plant has long been used for the treatment of various illnesses due to excellent therapeutic potentials and as flavoring agent in several food articles owing to high nutritional value. The genus Apium is known to contain about 20 well- known species of Apiaceae family and its several varieties are found native to Eurasia and are mainly grown in coastal regions. Celery requires relatively high level of humidity and comparatively low level of temperature. Therefore, maximum yield is obtained in cool weather of temperate regions. The aggregated world production of seed oil of celery is estimated to be 51 tons while only India produces 25 tons among all and rest of the contribution is made by United Kingdom, Egypt, France, United States of America and China. Different parts of celery contain fatty acids, volatile essential oils, vitamins and minerals such as potassium, magnesium and calcium along with chlorophyll, silica, β-carotene, fibers, sodium and folic acid. Various post-harvest methodologies and treatment processes for preservation of celery are discussed in detail in this review. Different parts of this plant are used for preparation of medicinal formulations in traditional systems of medicines due to their anti-inflammatory, anti- microbial, anti-fungal, anti-bacterial, anti-virus, anti-cancer, anti-spasmodic, gastro-intestinal and anti-oxidant potentials. Key words: Annual plant, nutritional value, fatty acids, vitamin C, β-carotene, post-harvesting, therapeutic potentials Full length article *Corresponding Author, e-mail: [email protected] commonly known as "Sellerie" in German. In Arabic, it is 1. Introduction known as "Alkarafs". Celery is known as "Khuen chaai" in Thailand [4]. It is called as "Tukhme karafs" in Urdu. Apium Celery (Apium graveolens L.) is a widespread graveolens is commonly known as "Ajmod" in Hindi and perennial or annual plant belonging to the Apiaceae or the fruits are popularly known as "celery seeds" [5]. Umbelliferae family. All parts of this plant have been used Probably the most familiar celery is the Apium graveolens; for thousands of years in number of homemade remedies however this plant has a range of three varieties and and used as flavoring agents in food industry [1]. The genus cultivars varying in color and flavor. Apium contains about 20 species of Apiaceae family and its several varieties are found native to Eurasia. It is mostly The most important botanical cultivars of grown in coastal regions due to favorable environmental celery plant include, Apium graveolens var. rapaceum conditions. Celery is widely cultivated in temperate zones as "celeriac" which is abundantly found in Central Europe, an important garden crop and as a popular vegetable due to Apium graveolens var. dulce "stalk celery or pascal celery" bleached leaf stalks [2]. Variability is present in morphology that is grown in Western Europe and the last one is the and chemical composition of stem, leaves and flowers of Apium graveolens var. secalinum "golden or leaf celery" this plant. Celery cross-pollinates very easily while it is that is used as spice as well [6]. The leaves of celery are incompatible in self-pollination [3]. There is no other plant quite different in pattern and petiole produces more leaves that has common name "celery". Apium graveolens is that are relatively thinner having delicate petioles. Colors of known by different names in different regions of the world. the flowers can range from green to pale green and pale In English, it is typically called "Celery", in Persian it is green to yellow [7]. This plant is used in the folk system of called "Karafs" and known as "Apio" in Spanish. It is medicine due to its decorative and medicinal properties. The Khalil et al., 2015 40 IJCBS, 8(2015):40-48 economic value of this plant globally increases due to its growth of celery can be obtained in humid and mild growth consumption in the treatment of blood pressure. Celeriac is conditions, and the optimum range of temperature for this most popular plant as it is the part of American gourmet plant is approximately 15°C to 22°C. At low temperature, eating [8]. The content and chemical composition of the growth is relatively slow [17]. Celery requires essential oil of celery and other species are widely comparatively high humidity but does not need high dependent on the number of factors including both, genetic, temperature. Therefore its best product comes in cool ontogenetic and environmental as well as agronomic factors weather of temperate regions. Apium graveolens has a such as fertilization, irrigation, cultivation method and worldwide distribution including most parts of United harvesting method [9]. California, India and France produce States, many countries within the Europe such as France, oil from the seeds of celery and are mainly used in Juices UK, Italy, Germany, Belgium and Hungary, Asia, Africa and vegetables and other flavoring foods such as pickles, and several parts of India. This plant is currently cultivated meat and soups. It is also used in perfumes in minor in provinces such as central regions of Khuzestan, Tehran, quantities. Other additional products that are obtained from North East Iran, Semnan, Sistan and Baluchistan and Zabo celery are leaf oil, seed oleoresins and seed or roots extracts. [18]. Celery is considered very important in China. The Seed extract of celery contains more sesquiterpenoids and most commonly used plant is leaf type and the term less monoterpenoids as compared to leaf oil. The majority of "Chinese Celery" is a synonym for this type, which has essential oil is concentrated in the leaves. Small amount of small and aromatic leaves [19]. In Africa, celery is essential oil is also present in the seeds of celery [10]. cultivated in highland regions and for market gardening but 1.2 History/Origin more recently also for processing and the food industry [20]. Apium graveolens is native to the Mediterranean In Iran, best weather conditions for the production of celery areas which are derived from wild Apium graveolens that are the climatic zones of coastal Caspian [21]. grows in mountainous area of Southern Asia and in the The total world production of celery seed oil is marshes of North Africa and Europe [11-12]. It has been estimated to be 51 tons. India produced 25 tons from 51 tons cultivated in early 1600s as food plant [13]. The generic while remaining seed oil is produced in China, USA, name, Apium is derived from the Latin word "apis" meaning France, Egypt and the UK. In USA, celery is produced on "bee", as its small white flowers have attraction for the bees. 12,000 ha annually. In Europe, the most extensive The species name "graveolens" means "heavy scented". Our production area can be found only in Italy approximately English word "celery" is derived from the Latin word 5000 ha, but Spain and France also has extensive "celer" which means "swift" as celery is considered a fast production. In India, it is cultivated in north western acting remedy [14]. The history of celery is stepped from the Himalayas and in the hills of Uttar Pradesh, Southern India low land area of Italy later extending to other countries such [22]. India produces 40,000 tons of celery annually and as France and England. In 1623, the first celery food plant exports 29,250 tons [4]. Michigan celery production yields was found to be cultivated in France. It was introduced from approximately US$ 14,678 annually (based on a five-year France to India by trading company in Amritsar, Punjab average). The current price of seed is Rs.3500/ton and oil around 1930 AD. Apium graveolens probably originate in price ranges from Rs.1500–1600/kg in India; the price of oil Mediterranean regions but now a days, this plant is normally remains fairly stable in world trade. There is a small grown in the whole world. It is also cultivated in India in production and market for celery resinoids. Celery seeds are Punjab, western utter Pradesh and Himalayas at north- exported to some of the continental countries like France, western side [3]. However, the center of origin of this plant Italy, Netherlands and Germany as well as to Australia and was much extensive. The celery that is well known today is New Zealand. California produces about 75% of the USA’s Apium graveolens var. dulce named stalk celery and it was celery crop [23]. selected to cultivate in 16th and 17th century while Apium 1.4 Botany, Morphology and Ecology graveolens var. rapaceum was also developed at the same Apium graveolens is a biennial, branching herb, time. This celery is still grown in Southeast Asia [15]. In with approximate height of about 100 cm, have solid fleshy 1887, the two cultivars of Apium graveolens were stems and branches. On an average, four to twelve branches introduced in North America from France; the first one was are present on each umbrella. The leaves are triangular, self-blanching named "Paris Golden Yellow Self- spear or diamond shaped that can attain the length of 5-50 Blanching" or "White Plume" and second one was the green mm.