Clinical Medicine Research
Volume 5, Issue 3, May 2016, Pages: 39-44

Pharmaceutical Development of the Combined Structure of the Tablets "Exkair" from Various Phytocompositions

Galiya Ibadullayeva1, volodimir grudko2, Аssyl Boshkayeva1, Zuriyadda Sakipova1, Talgat Dzalgasbayev1, Gulbaram Ustenova1, Kaldanay Kozhanova1, Nazerke Uristemkhankyzy1,Eduard Bissenbaev1, Nurgan Tussupova1, Sholpan Mulkibayeva1, Ilyas Tazabekov1

1Pharmaceutical Faculty, Asfendiyarov Kazakh National Medical University, Almaty, Republic of Kazakhstan

2Pharmaceutical Faculty, National Pharmaceutical University, Kharkov, Ukraine

Email address:

(G. Ibadullayeva)
(V. Grudko)
(А. Boshkayeva)
(Z. Sakipova)
(T. Dzalgasbayev)
(G. Ustenova)
(K. Kozhanova)
(N. Uristemkhankyzy)
(E. Bissenbayev)
(N. Tussupova)
(S. Mulkibayeva)
(I. Tazabekov)

To cite this article:

Galiya Ibadullayeva, volodimir grudko, Аssyl Boshkayeva, Zuriyadda Sakipova, Talgat Dzalgasbayev, Gulbaram Ustenova, Kaldanay Kozhanova, Nazerke Uristemkhankyzy, Eduard Bissenbaev, Nurgan Tussupova, Sholpan Mulkibayeva, Ilyas Tazabekov. Pharmaceutical Development of the Combined Structure of the Tablets "Exkair" from Various Phytocompositions. Clinical Medicine Research. Vol. 5, No. 3, 2016, pp. 39-44. doi: 10.11648/j.cmr.20160503.15

Received: February 20, 2016; Accepted: April 25, 2016; Published: May 13, 2016


Abstract: We have received extracts from air-dried raw material of medicinal plants Acorus Сalamus and Calendula officinalis in the mode of low-temperature subcritical extraction by liquefied carbon dioxide (CO2), the output of which made 0.7 to 0.8%. The content of camphor and β-pinene in 1 g of Acorus Сalamus extract is not less than 0.1%; the content of carotenoids in terms of β-carotene in 1 g of the extract of Calendula officinalis - not less than 0.35 mg/g. We have developed combined pills "Exkair" of the following composition: thick extract of Acorus Сalamus rhizomes (0.009 g), thick extract of flowers of Calendula officinalis (0.005 g); auxiliary substances - ascorbic acid (0.005 g), calcium stearate (0.006 g), sugar powder (0.517 g), aerosil (0.015 g). The pills underwent a number of physico-chemical testings according to the requirements of the project PAND (Provisional Analytic Normative Document). The content of active substances (carotenoids) in 1 tablet is 0.782 mg, camphor and pinene 0.97 mg.

Keywords: Tablets, CO2-Extracts, Quality Indicators, Camphor, Carotenoids, Acorus Calamus, Calendula Officinalis


1. Introduction

The share of preparations on the basis of medicinal vegetable raw materials steadily grows in the market of the modern domestic pharmaceutical market [1, 2, 3]. The widespread use of multi-component of composition of biologically active agents, simultaneous presence of connections of various pharmacological natures that is reflected in the natural mechanism of a range of biological effect [4, 5, 6, 7, 8].

To extract a significant group of biologically active substances from medicinal plant raw material was chosen as the technology of carbon dioxide extraction. The Method of processing of raw materials of carbon as dioxide (CO2) was chosen from medicinal vegetable raw materials allows drawing in high concentration various lipophilic substances. The technology of application of carbon dioxide extraction has undoubted advantages before traditional ways of extraction [9]: rather small time of extraction, small power consumption, harmlessness of production, the operated selectivity in relation to groups of the biologically active substances (BAS). In receiving extracts by organic solvents [10] the selectivity of extraction of valuable components is not ensured and thermolabile substances of extracts are destroyed while distilling off the solvent.

By researches of last years there was established that obtaining high-qualitative plant extracts is more expedient to use solvents of compressed and liquefied gases. The more acceptable solvent for this purpose is liquid carbon dioxide.

This extra agent has a complete affinity to the most important biologically active substances and that allows extraction processing from raw materials at room temperature (18 to 22°C) [11, 12, 13, 14].

Thus, the extracts obtained by CO2-extraction, are to be promising phytosubstances, which may be used to produce solid medicinal forms. This is due to the large range of their therapeutical properties because of the content of biologically active substances, low toxicity, broad spectrum of activity and good tolerability. Rational combination of plant extracts with various subsidiary substances allows expanding their therapeutic effects. In addition, using a combination of various medicinal substances of vegetable origin in the complex drugs, you may achieve predictable pharmacological effect [15, 16].

The aim of this study was development of the combined structure of tablets on the basis of new phytosubstances of the CO2-extracts received from rhizomes of the Acorus Calamus and flowers of the Calendula officinalis.

In this case, the received carbon dioxide extracts meet the requirements of pharmacopeia purity [17, 18] for quality indicators: determination of microbiological purity, authenticity, content of water, heavy metals and quantitative contents. PAND imposes regulatory requirements for safety and quality pills, developed on the basis of carbon dioxide extracts.

2. Experimental Part

The spectrophotometry method in the UF region of a range was used for confirmation of authenticity of carotenoids in CO2-extract of the Calendula officinalis and definitions of the maintenance of carotenoids. The absorbing range of the solution prepared for quantitative definition of the examinee of solution in the range from 350 nanometers to 500 nanometers has a maximum at the wavelength (401±2 nanometers) and a plateau from (419±2 nanometers) to (425±2 nanometers). The relation of optical density in a maximum at the wavelength (401±2 nanometers) to optical density at the wavelength (422±2 nanometers) has to be from 1.00 till 1.15.

Definition of carotenoids is carried out by method of a thin layer chromatography.

The solution prepared for quantitative definition is used as the examinee of solution.

Standard solution. 0.3600 β-carotene (SS Merck) place in a measured flask with a capacity of 1000 ml dissolve in water P, bring solution volume to a tag the same solvent and carefully mix.

On the line of start TLC of the plate Sorbfil (or similar) covered with a layer of silicagel apply in the form of a strip 10 μl the studied solution and of standard solution. The plate is dried on air before removal of solvent, placed in the camera with mix of solvents hexane P – ether P (8:2) also chromatographed in the ascending way. When the front of solvents passes 10 cm from the line of start, a plate take out from the camera and dry on air before removal of vapors of solvents. The plate is processed by 10% solution of acid phosphomolybdic in ethanol P, heat in a drying cabinet at a temperature of 60-80°C within 5 min and viewing through in visible light.

On a chromatogram of the examinee of solution not less than 3 strips of blue color with Rf 0.07; Rf 0.18; Rf 0.79 on a yellow-green background and a strip on the line of start.

Preparation of 1% alcohol solution of phosphomolybdic acid. 10.0 of acid phosphomolybdic P is placed in a measured flask with a capacity of 100 ml, dissolved in 95% ethanol P, bring solution volume the same solvent to the mark and mixed.

Quantitative definition of active ingredients was carried out by methods of a highly effective liquid chromatography.

Carotenoids. Test is carried out by method of the absorptive spectrophotometry in ultra-violet and visible region (SPh RK I, t. 1, 2.2.25).

Examinee solution. 0.2000 g of the test the CO2-extract transfers to a measured flask with a capacity of 50.0 ml, dissolve in 30 ml of the hexane P; bring solution to the mark the same solvent and mix.

The received solution is left to full sedimentation of not dissolved particles. A pipette select solution from the center of a measured flask and measure optical density on the spectrophotometer at the wavelength of 450 nanometers in a ditch with thickness of a layer of 10 mm.

Standard solution. 0.36 g of potassium dichromate (SPh RK, I, t. 1) place in a measured flask with a capacity of 1000 ml, dissolve in water P, bring solution volume to a tag the same solvent and mixed thoroughly.

Measure the optical density of the examinee of solution on the spectrophotometer at the wavelength of 450 nanometers in a ditch with thickness of a layer of 10 mm.

Simultaneously, in the same conditions, the optical density of the standard solution of potassium dichromate in the same conditions, using water P as compensation solution.

Contents of the sum of carotenoids (X) in mg in terms of β-carotene, in 1 g of CO2-extract is calculated by the formula (1):

X = (А0·50 · 0.00208) / (А1 · m)                           (1)

where X – maintenance of the sum of carotenoids in mg terms of β-carotene, in 1 g of CO2-extract;

А0 - optical density of the examinee of solution;

А1 - optical density of the standard solution of potassium dichromate;

0.00208 - quantity β-carotene in solution (in mg) which corresponds on coloring to the standard solution of potassium dichromate;

m – mass of the extract, g.

The maintenance of the sum of carotenoids in terms of β-carotene has to be not less than 0.35 mg/g.

Quantitative determination of β-carotene in tablets 25 ml of hexane was placed in the divided funnel with the capacity of 250 ml, then approximately 20 g (precise linkage) of pounded tablets, 150 ml of water were added and it was thoroughly shaken for 3 min, and then allow its settling and separating the aqueous layer.

To the remaining suspension 10 ml of 70% of ethanol is added and it is shaken for 2 min, and then allowed to settle and after we separate the alcohol layer, but the hexane extract is filtered through paper filter, where 3 g of anhydrous sodium sulfate is placed in volumetric flask of 25 ml. Divided funnel is rinsed with 5 ml of hexane and the filter is washed with this hexane and the volume of solution is adjusted the pointed mark. The optical density of the obtained solution is determined on the spectrophotometer at a wavelength of 450 nm, using hexane as a control solution. Simultaneously we measure the optical density of the standard solution of potassium dichromate. The content of total carotenoids in terms of β-carotene in mg is calculated by the formula (2):

X = (D ·V1 · K · V1st · mav · 1000 / (Dst · m · V2st)           (2)

where D - optical density of the examinee of solution;

Dst – optical density of the standard solution 2 of potassium dichromate;

m – mass of the sample of powdered tablets, g;

mav – average mass of the tablets, g;

V1 - volume of hexane solution, ml;

V1st – volume of pipettes for dilution of the standard solution 1 of potassium dichromate;

V2st - volume of volumetric flasks for dilutions of the standard solution 2 of potassium dichromate;

K – 0.00208 - amount of β-carotene in mg in the solution, which corresponds to the color of the standard solution of potassium dichromate.

Standard solution 1 of potassium dichromate. 0.3600 g (precise linkage) of the standard sample (SS) potassium dichromate dissolved in purified water Р in a volumetric flask with a capacity of 1000 ml, adjusted to the mark with the same solvent and mix thoroughly. The solution colour corresponds to a solution containing 0.00208 mg of β-carotene in 1 ml.

Standard solution 2 of potassium dichromate. 25 ml of the standard solution of potassium dichromate is placed in a volumetric flask of 50 ml and adjusted to the mark with water purified P.

The developed method was the analysis of experimental series of tablets. The data obtained are presented in table 1.

Table 1. The results of quantitative determination of carotenoids in tablets.

The mass of sample, g The optical density, A The content of the sum of carotenoids in terms of
β-carotene mg/tabl
1 20.0051 0.250 0.779
2 20.0003 0.253 0.788
3 19.9984 0.248 0.773
4 20.0082 0.260 0.810
5 19.9965 0.245 0.763
6 20.0098 0.251 0.782

Notes: Dst=0.249; mav – 0.597.

The obtained data are subjected to statistical analysis and are presented in table 2.

Table 2. Metrological characteristics of the average result, n=6.

Found β-carotene, mkg Хav, mkg S2 S P, % T (p, n) ∆Xav. Εav, %
0.779 0.782 2.54×10-4 0.0159 95 2.57 0.0068 0.87
0.788
0.773
0.810
0.763
0.782

where: Xav - average value of the sample;

S2 – dispersion;

S – standard deviation;

P – confidence coefficient;

T (p, n) - tabulated value of criterion Styudents;

∆Xav – half-width of the confidence interval of a single determination;

Eav - relative uncertainty of the average result.

As can be seen from the presented data, the conditional content of total carotenoids in terms of β-carotene is 0.782 mg in terms of the average mass of the tablet.

Identification and quantitative definition of camphor and β-pinene were carried out by method of a gas chromatography with the ardent and ionization detector. On the chromatograms of the examinee solution received when determining component structure, time of deduction of the main peak has to coincide with time of keeping of peak of camphor on the chromatograms of the standard solution. On the chromatograms of the examinee solution received when determining component structure, time of deduction of the main peak has to coincide with time of keeping of peak β-pinene on the chromatograms of the standard solution.

1.000 of extract is placed in a measured flask with a capacity of 50 ml, dissolved in 96% alcohol P, bring solution volume the same alcohol P to a tag and mix before extract dissolution (examine solution).

On 1.5 ml the received solution and the standard solutions 1, 2 and 3 alternately chromatographed on the gas chromatograph supplied with the device of automatic input of tests with the ardent and ionization detector, receiving not less than 5 chromatograms each of solutions, in the following conditions:

column capillary quartz, 50 m x 0.32 mm in size with the put layer of a motionless phase – FFAP, thickness of a layer of 1 mm meeting requirements of the test «Check of Suitability of chromatography System»;

temperature of a column is programmed from 40°C (a delay of 3 min) to 230°C (a delay of 10 min) with a speed of 25°C /min;

injector temperature – 230°C, the mode with splitting of a stream in the ratio 20:1

detector temperature – 270°C;

gas carrier speed (hydrogen or helium for a chromatography P) 2.0 ml/min.

The content of camphor (β-pinene) (X) in a preparation as a percentage is calculated by the formula (3):

X = (S1 · m0 · 1 · 50 · 1 · P · 100) / (S0 m · 50 · 100 · 100)     (3)

where S1 – average value of the areas of peaks of camphor (β-pinene) calculated from the chromatograms of the examinee solution;

S0 – average value of the areas of peaks of camphor (β-pinene) calculated from the chromatograms of the standard solution;

m0 - mass of the hinge plate of the standard sample (SS) of camphor (β-pinene), g;

m – mass of the hinge plate of extract, g;

Р – content of camphor (β-pinene) in SS, %.

The content of camphor in 1 g of extract made 2.471%, β-pinene in 1 g of extract – 2.39%.

The test of camphor and β-pinene was carried out in tablets by gas chromatography.

6.6 g (precise linkage) powder of crushed tablets transferred into a volumetric flask with a capacity of 50 ml, add 40 ml of 96% alcohol P. The resulting solution is incubated on ULTRASONIC bath for 5 min, cooled and made up to the mark with the same solvent, stirred and then filtered through the filter red ribbon (examinee solution).

3 μl the received solution and the standard solutions 1, 2 alternately is chromatographed on the gas chromatograph which is equipped with the device of automatic input of tests with the ardent and ionization detector, receiving not less than 5 chromatograms each of solutions, in the following conditions:

quartz capillary column, the size of 50 m x 0.32 mm coated with a layer of stationary phase - FFAP, thickness 1 mm, satisfying the requirements of the test, «Check the suitability of the chromatographic system»;

column temperature is programmed from 40°C (3 minutes delay) to 230°C (delayed 10 min) at a speed of 25°C /min;

injector temperature – 230°C, with splitting of the flow regime in the ratio 20:1;

detector temperature – 270°C;

speed of the carrier gas (hydrogen or helium) – 2.0 mL/min.

The content of camphor, β-pinene (X) in the drug, in mg, in terms of camphor or β-pinene, in average mass of the tablet is calculated by the formula (4):

X = (S1 · m0 · 50 · 1 · P · 1000 · b) / (S0 m · 50 · 50 · 100)     (4)

where S1 - average value of the squares of the peaks of camphor, β-pinene was calculated from the chromatograms of the examinee solution;

S0 - mean value of areas of peaks of camphor, β-pinene was calculated from the chromatograms of the standard solution;

m0 - sample weight standard sample (SS) camphor, β-pinene, g;

m - mass of the drug sample, g;

P – content of camphor, β-pinene in SS, %;

b - average mass of the tablets.

The results of quantitative determination of camphor in tablets are shown in table 3 and metrological characteristics of the average result are shown in table 4.

Table 3. The results of quantitative determination of camphor in tablets.

The mass of sample, g The mean value of peak areas, S1 The content of camphor, mg
1 6.6004 1625.21 1.07
2 6.6013 1503.90 0.99
3 6.5989 1579.28 1.04
4 6.6005 1427.78 0.94
5 6.5978 1381.64 0.91
6 6.6006 1473.37 0.97

Notes: S0=1373.82, mav – 0.597

Table 4. Metrological characteristics of the average result, n = 6.

Found camphor, mg Хav, mg S2 S P, % T (p, n) ∆Xav Εav, %
1.07 0.98 0.0036 0.0602 95 2.57 0.0258 2.62
0.99
1.04
0.94
0.91
0.97

The results of quantitative determination of β-pinene in tablets are shown in table 5 and metrological characteristics of the average result are shown in table 6.

Table 5. The results of quantitative determination of β-pinene in tablets.

The mass of sample, g The mean value of peak areas, S1 The content of camphor, mg
1 6.6004 143.99 0.91
2 6.6013 155.09 0.98
3 6.5989 150.29 0.95
4 6.6005 150.32 0.93
5 6.5978 143.94 0.91
6 6.6006 153.49 0.97

Notes: S0=143.12, mav – 0.597

Table 6. Metrological characteristics of the average result, n = 6.

Found β-pinene, mg Хav, mg S2 S P, % T (p, n) ∆Xav εav, %
0.91 0.94 0.0009 0.0299 95 2.57 0.0128 1.36
0.98
0.95
0.93
0.91
0.97

Thus, the content of camphor, β-pinene (X) in the drug, in mg in terms of camphor or β-pinene, the average mass of the tablets comply with pharmacopoeia requirements of the draft PAND on tablets "Exkair".

3. Discussion of Results

On the basis of Association with limited opportunities of «Fito-Aromat» dense CO2-extracts from flowers of the Acorus Calamus rhizomes and Calendula officinalis were received. Receiving extracts were carried out in subcritical conditions on the extraction UUPE5L installation, according to the standard of the enterprise (ST 27658-1910-TOO-02-2011). As an estrogen liquid carbonic acid was used. Extraction parameters are set: pressure is 62 atm., temperature is 23-24°C, time of extraction of 4 h. The exit of extracts made 0.7-0.8%.

Based on extracts designed composition of tablets:

thick extract of Acorus Calamus rhizomes (0.009 g), thick extract of flowers of Calendula officinalis (0.005 g); auxiliary substances - ascorbic acid (0.005 g), calcium stearate (0.006 g), sugar powder (0.517 g), aerosil (0.015 g).

Confirmation of the quality of tablets "Exkair" was carried out in accordance with the requirements of the developed draft PAND. Quality evaluation of tablets was carried out in the following main indicators: identification and quantitative determination of carotenoids, camphor and pinene.

4. Conclusions

Receiving extracts was carried out in subcritical conditions according to the standard of the ST enterprise 27658-1910-TOO-02-2011. As an estrogen liquid carbonic acid was used. The component composition of extract of the Acorus calamus is revealed: camphor – not less than 0.1% in 1 g of extract; β-pinene - not less than 0.1% in 1 g of extract; borneol - in connection with the insignificant contents, its quantity isn't regulated. Based on extracts of rhizomes Calamus, Calendula flowers drug developed solid dosage forms - tablets, which are currently held comprehensive studies (chemical, physico-chemical, technological, and other non-clinical).

We developed methods for quantitative determination of the content of active substances (carotenoids), camphor and pinene in the tablet. Picked up an optimal ratio of herbal compositions, which form the basis of active components and auxiliary components, corresponding to the developed composition of the combined pill "Exkair".


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