Int J Curr Pharm Res, Vol 10, Issue 2, 89-93Original Article

PHYTOCHEMICAL ANALYSIS OF SOME SELECTED VARIETIES OF PIPER BETLE L.

K. MYDEEN FATHIMA BEGAMa, P. RAVICHANDRANb, V. MANIMEKALAIc

a,cDepartment of Botany, Sri Parasakthi College for Women, Courtallam. India, bDepartment of Plant Sciences, Manonmaniam Sundarnar University, Tirunelveli, India
Email: mssheikmydeen6@gmail.com

Received: 25 Dec 2017, Revised and Accepted: 05 Feb 2018


ABSTRACT

Objective: To Analyse the major phytochemical components in selected varieties of P. betle leaves using GC-MS.

Methods: P. betle leaves were shade dried and pulverized to powder in a mechanical grinder. The powder was successively extracted with ethanol (40-60 °C). The extracts were concentrated under reduced pressure in a rotary evaporator. The ethanolic extracts of the plant leaves were used for GC-MS analysis.

Results: In the present study ten chemicals were identified and compared from the P. betle varieties, the major component being Eugenol, which is responsible for the flavour and aroma of the leaves.

Conclusion: Variety Karpoori possesses the highest content of Eugenol and could be used as a promising variety in the pharmaceutical industry. The components of essential oil can also serve as a determinant to distinguish different varieties of betle vine cultivars.

Keywords: GC-MS, Eugenol, Hybrid variety 1, Hybrid variety 2, Jaipur Bangla, Karpoori, Local variety, Sirugamani


INTRODUCTION

P. betle is a tropical shade-loving perennial evergreen vine, with glossy heart-shaped leaves and white catkin. It may climb as high as 10-15ft. Sometimes the plant can also grow as a ground cover and it has a growth pattern similar to that of the pepper plant. Leaves are simple, alternate, ovate, cordate, acuminate or acute, entire and bright green. Flowers are dioecious. This plant has male spikes which are dense and cylindrical while female spikes are pendulous. Perianth 0. Stamens 2-4; filaments short; anthers 2 celled, the cells distinct. Ovary 1 celled; ovule solitary, style short or 0, stigma 5. Fruiting spikes up to 5 inches thick, male spikes 3-6 inches long very narrow. Roots arise from each node which aid in fixing the plant to the host tree [1, 2].

Phyto-constituents

The leaf contains Water (85-90%), Proteins (3-3.5%), Carbohydrates (0.5-6.1%), Minerals (2.3-3.3%), Fat (0.4-1%), Fibre (2.3%), Essential oil (0.08-0.2%), Tannin (0.1-1.3%), Alkaloid (arakene). It also contains different Vitamins like Vitamin-C (0.005-0.01%), Nicotinic acid (0.63-0.89 mg/100 gms), Vitamin-A (1.9-2.9 mg/100 gms), Thiamine (10-70μg/100 gms), Riboflavin (1.9-30μg/100 gms). It also contains minerals such as Calcium (0.2-0.5%), Iron (0.005-0.007), Iodine (3.4μg/100 gms), Phosphorus (0.05-0.6%), Potassium (1.1-4.6%). Leaves contain bitter compounds that constitute about 0.7-2.6%. The specific strong pungent aromatic flavour in leaves is due to phenol and terpene like bodies [3]. The total phenol content varies in the gender. The male plant contains three-fold higher total phenols content and two-fold higher thiocyanate content as compared to a female plant. The quality of the leaf depends upon the phenolic content, i.e., more the phenolic content better is the leaf quality [4]. Recently many research works show that P. betle leaves contain starch, diastases, sugars and an essential oil composing of safrole, allyl pyrocatechol monoacetate, eugenol, terpinen-4-ol and eugenyl acetate, as the major components [5]. Phytochemical investigation on leaves revealed the presence of Alkaloids, Carbohydrate, Amino acids, Tannins and Steroidal components [6]. The middle part of the main vein contains the largest quantity of Tannin. The terpenoids include 1, 8-cineole, cadinene, camphene, caryophyllene, limonene, pinene, chavicol, allyl pyrocatechol, carvacrol, safrole, eugenol and chavibetol. Eugenol was identified as the antifungal principle in the oil. The fresh new leaves contain much more amount of essential oil diastase enzyme and sugar when compared to old leaves. Chavicol is four times potent as antiseptic agent as compare to carbolic acid [7].

In different countries, the leaves are folded in different ways and generally, some calcium hydroxide is smeared inside. Slices of the dry Areca nut are on the upper left of the leaf and slices of the tender Areca nut on the upper right. The fold on the lower right contains tobacco—a relatively recent introduction. There is archaeological evidence that P. betle leaves have been chewed along with the areca nut since very ancient times. In most countries, the mixture of both has a ceremonial and highly symbolical value [8]. P. betle leaves are chewed together in the wrapped package along with the Areca nut and mineral slaked lime. Catechu called “Kattha” in Hindi and other flavouring substances and spices are also added. The lime acts to keep the active ingredient in its freebase or alkaline form, thus enabling it to enter the bloodstream via sublingual absorption. The Areca nut contains the alkaloid arecoline, which promotes salivation (the saliva is stained red), and is itself a stimulant. This combination, known as a P. betle quid has been used for over thousand years [9].

Properties of the ingredients and their traditional uses

P. betle leaf

P. betle leaves have a strong pungent aromatic flavour and is widely used as masticators. The presence of a fairly large quantity of diastase in the P. betle leaves is likely to play an important part in starch digestion. Large quantities of saliva produced by chewing P. betle leaf act as digestive and probably the presence of diastase enhance this activity. The leaves contain a good amount of B vitamins (particularly nicotinic acid) ascorbic acid and carotene.

P. betle leaf consists of more juice which cures pharyngitis, abdominal pain and abdominal distension. Ordinary P. betle leaf cures urticaria and the effects due to the derangement in the equilibrium of the three senses of humour namely Vatha, Pitha and Kabha. It gives a pleasant odour in the mouth. P. betle leaves possess an anti-oxidant action. The anti-oxidant effect is due to the presence of phenols particularly hydroxychavicol (4-allyl pyrocatechol). The leaf produces an aromatic volatile oil containing a phenol called chavicol which has powerful antiseptic properties. The essential oil present gives rise to a sensation of warmth and well-being in the mouth and stomach. It is also known to produce a primary stimulation of the central nervous system, followed by a kind of inebriety in large doses. P. betle leaf is believed as a common household remedy for various ailments.

  • A paste of P. betle leaves mixed with salt and hot water can be administered for filariasis.

  • For treating obesity one P. betle leaf mixed with Piper nigrum is prescribed for two months.

  • Juice with honey or a liquid extract is useful in coughs, dyspnoea, deranged phlegm and indigestion, common in children.

  • The application of leaves smeared with oil is said to promote secretion of milk when applied on the breasts of lactating women.

  • A local application is recommended for inflammatory swellings such as orchitis, arthritis and mastitis.

  • In pulmonary effections of childhood and old age, leaves are soaked in mustard oil and warmed and applied to the chest in order to relieve a cough and dyspnoea.

Chewing P. betle leaf with Areca nut which has pungent and astringent taste removes derangement of humors in the body. Germs will die; it removes thirst and phlegm, prevents several diseases, reduces hunger, endears women; improves taste and cleans the abdomen. They sweeten the breath, improve voice, and remove fetor from the mouth. Also, they increase salivary secretion. P. betle chewing is considered as a good and cheap source of dietary calcium. The calcium ingested is reported to be well absorbed by the system [10].

MATERIALS AND METHODS

Source of plant material

The present investigation was carried out in six different varieties of P. betle viz., Hybrid I (HY1), Hybrid 2 (HY2), Jaipur Bangla (JB), Karpoori (KAR), Local variety (LV) and Sirugamani (SG). Plant cuttings were collected from Sugarcane Research station, Sirugamani, Tamil Nadu.

GC MS analysis

P. betle leaves were shade dried and pulverized to powder in a mechanical grinder. The powder was successively extracted with ethanol (40-60 ° C). The extracts were concentrated under reduced pressure in a rotary evaporator. The ethanolic extracts of the plant leaves were used for GC-MS analysis.

The GC-MS analysis was carried out on a Thermo GC-TRACE ultra ver: 5.0, Thermo MSDSQ II. This instrument was employed with following conditions: Column ZB 5-MS Capillary Standard non-polar Column (30 x0.25 mm), helium was used as carrier gas at a constant flow of 1 ml/min and an injection volume of 1.0 ml was employed in an injector with a temperature of 260 °C. The oven temperature was programmed from 70 °C raised gradually to 260 °C at the rate of 6 °C/min [11].

RESULTS AND DISCUSSION

Gas chromatography-mass spectroscopy analysis (GC-MS)

Gas chromatography Mass Spectroscopy, a hyphenated system which is very a compatible technique and the most commonly used technique for the identification and quantification of secondary compounds. The unknown organic compounds in a complex mixture can be determined by interpretation and also by matching the spectra with reference spectra [12].

GC-MS analysis was carried out in the powdered leaf of P. betle varieties viz., HY1, HY2, JB, KP, LV and SG and the results are given in the table 1 and Figs (1 ‒ 12). In general P. betle leaf contains the phytocomponents viz., Hydroxychavicol, Eugenol, Safrole, Caryophyllene, Caryophyllene oxide, Silicone oil, Campesterol, Stigmasterol, Vitamin E and Sitosterol [13]. HY 1 variety contains Hydroxychavicol, Eugenol, Safrole, Caryophyllene, Caryophyllene oxide, Silicone oil, Campesterol and Stigmasterol. Campesterol and Stigmasterol were absent in HY2. JB contains all the major compounds. Safrole, Silicone oil and Vitamin E were absent in Karpoori and Local Variety. Hydroxychavicol, Vitamin E and Sitosterol were absent in SG. Eugenol content is more in all the varieties and was highest in Karpoori (53%). Hydroxychavicol was highest in LV and absent in SG.

The leaves of P. betle possess a strong spicy aromatic flavour and widely consumed as a mouth freshener [14]. The leaves are credited with wound healing, digestive and pancreatic lipase-stimulant activities in traditional medicines. The most important factor determining the aromatic value of the leaf is the amount and particularly the nature of essential oil present. P. betle leaves from different regions vary in aroma and taste. The oil content of different Indian types also varies. Table 4 gives the profile often important chemical constituents.

Table 1: Phytochemicals present Piper betle varieties analysed by GC-MS P

S. No. Compounds Molecular formula Molecular weight Area %
HY1 HY2 JB KP LV SG
1 Hydroxychavicol C9H10O2 150 15.45 1.51 25.63 1.63 50.55 -
2 Eugenol C10H12O2 164 15.36 17.01 29.37 35.04 6.95 21.24
3 Safrole C10H10O2 162 0.91 1.22 0.79 - 1.52 1.22
4 Caryophyllene C15H24 204 1.10 3.14 1.05 1.89 0.29 1.56
5 Caryophyllene oxide C15H24O 220 0.42 0.51 0.31 0.52 0.19 0.27
6 Silicon oil - 0 0.21 13.44 0.27 - - 0.81
7 Campesterol C28H48O 400 0.30 - 0.31 0.71 0.63 1.80
8 Stigmasterol C29H48O 412 0.42 - 0.56 0.93 0.67 2.66
9 Vitamin E C29H50O2 430 - 2.44 0.75 - - -
10 Sitosterol C29H50O 414 - 0.84 0.33 0.25 0.26 -

In the present study, ten chemicals were identified and compared from the P. betle varieties, the major component being Eugenol, which is responsible for the flavour and aroma of the leaves [15-17]. Among the selected varieties Karpoori possesses the highest content of Eugenol and could be used as a promising variety and form a valuable source of eugenol, which is widely used in pharmaceutical industry. Eugenol is a Phenolic compound and its content also varies with gender. [18] Pradhan et al. (2013) reported that male plants contain three-fold higher content of this phenolic compound as compared to the female. In the present study also higher Eugenol content was present in HY2 (female) compared to HY1 (male). The components of essential oil can also serve as a determinant to distinguish the gender and also different varieties of P. betle vine [19].

Chandra vikash et al. (2012) [13] reported the main constituents as Hydroxychavicol (HC)/Hydroxychavicol acetate (HCA), Allylpyrocatechol (APC), Chavibetol (CHV) and Piperbetol. Other constituents are arecoline, carvacrol, caryophyllene, piperitol, piperbetol, eugenol, isoeugenol, allylpyrocatechol, chavicol, safrole, anethole, chavibetol, cadinene-hydroxychavicol, β-sitosterol, β-sitosteryl palmitate, dotriacontanoic acid, tritriacontane, stearic acid, cepharadione, piperine, piperlonguminine, chavibetol acetate, allylpyrocatechol monoacetate, allyldiacetoxy benzene, benzene, estragole, methyl eugenol and hydroxycatechol, methylpiperbetol, piperol A, piperol B, cavacrol, eugenol acetate and allyl pyrocatechol diacetate. Leaves posses pharmacological properties like antibiotic, antiulcer and platelets aggregation antifertility, cardiotonic, antitumor, antimutagenic, respiratory depressant antihelminthetics which may be attributed to the presence of these chemicals.

Fig. 1-2: GC-MS chromatogram profile of hybrid 1(HY1)

Fig. 3-4: GC-MS chromatogram profile of hybrid 2 (HY2)

Fig. 5-6: GC-MS chromatogram profile of Jaipur Bangla (JB)

Fig. 7-8: GC-MS chromatogram profile of karpoori (KP)

Fig. 9-10: GC-MS chromatogram profile of local variety (LV) 9

Fig. 11-12: GC-MS Chromatogram profile of sirugumani (SG)

CONCLUSION

In the present study, ten major chemicals were identified and compared. Among the chemical compounds, the major component is Eugenol, which is responsible for flavour and aroma of the leaves. Variety Karpoori possesses the highest content of Eugenol and could be used as a promising variety in the pharmaceutical industry. The components of essential oil can also serve as a determinant to distinguish different varieties of betle vine cultivars.

AUTHORS CONTRIBUTIONS

All the author have contributed equally

CONFLICT OF INTERESTS

Declared none

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About this article

Title

PHYTOCHEMICAL ANALYSIS OF SOME SELECTED VARIETIES OF PIPER BETLE L.

Keywords

GC-MS, Eugenol, Hybrid variety 1, Hybrid variety 2, Jaipur Bangla, Karpoori, Local variety, Sirugamani

DOI

10.22159/ijcpr.2018v10i2.25884

Date

15-03-2018

Additional Links

Manuscript Submission

Journal

International Journal of Current Pharmaceutical Research
Vol 10, Issue 2 (Mar-Apr), 2018 Page: 89-93

Online ISSN

0975-7066

Authors & Affiliations

K. Mydeen Fathima Begam
Department of Botany, Sri Parasakthi College for Women, Courtallam. India

P. Ravichandran
Department of Plant Sciences, Manonmaniam Sundarnar University, Tirunelveli, India

V. Manimekalai
Department of Botany, Sri Parasakthi College for Women, Courtallam. India


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