# Quality Evaluation of Ayurvedic Crude DrugDaruharidra, Its Allied Species, and Commercial Samples from Herbal Drug Markets of India

Authors: Sharad Srivastava; A. K. S. Rawat
Journal: Evidence-Based Complementary and Alternative Medicine
 (2013)

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## Abstract

Berberis aristata known as “Daruharidra” in Ayurveda is a versatile medicinal plant used singly or in combination with other medicinal plants for treating a variety of ailments like jaundice, enlargement of spleen, leprosy, rheumatism, fever, morning/evening sickness, snakebite, and so forth. A major bioactive marker of this genus is an alkaloid berberine, which is known for its activity against cholera, acute diarrhea, amoebiasis, and latent malaria and for the treatment of oriental sore caused by Leishmania tropica. Although the roots of B. aristata are considered as the official drug (Ayurvedic Pharmacopoeia of India), the study revealed that different species of Berberis, namely. B. asiatica, B. chitria, and B. lycium are also used under the name of Daruharidra in different parts of the country. Detailed physicochemical and phytochemical studies of subjects like total ash, acid insoluble ash, tannins, and total alkaloids were calculated from the shade dried powdered material according to the recommended procedures. Further, heavy metal studies and quantitative estimation of berberine through HPTLC have also been performed as per ICH guidelines. A detailed study of four Berberis species, namely B. aristata, B. asiatica, B. chitria, and B. lycium, which are implicated as Daruharidra and collected from wild and ten commercial samples procured from various important drug markets in India has been carried out, which may be useful to pharmaceutical industries for the authentication of the commercial samples and exploring the possibilities of using other species as a substitute of B. aristata.


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## Body

## 1. Introduction

Berberis aristata known as “Daruharidra” in Ayurveda is a versatile medicinal plant used singly or in combination with other medicinal plants for treating a variety of ailments like jaundice, enlargement of spleen, leprosy,  rheumatism, fever, morning/evening sickness, and snakebite, and so forth [1–4]. In addition, the decoction of root or stem of Berberis known as “Rasaut” is specifically used in eye disease, skin disorders, and indolent ulcers. Its use in the management of infected wounds has also been described in Ayurvedic classical texts [5]. The major alkaloid of the plant is berberine, which is known for its activity against cholera [6], acute diarrhea [7], amoebiasis, and latent malaria and for the treatment of oriental sore caused by Leishmania tropica[4].Although the roots ofB. aristata are considered as the official drug [8], the study revealed that different species of Berberis, namely, B. asiatica, B. chitria and B. lycium are also used as Daruharidra in different parts of the country. In southern India, however, Coscinium fenestratum is used as “Daruharidra.” The study also shown that most of the market material sold as Daruharidraconsists of mostly the stem parts than the roots of Berberis species.As such there are different alkaloids available to differentiate differentBerberis species. Several workers have also done molecular analysis of different Berberis species including the presented four species which reflects the use of molecular markers and sequence analysis for identification at inter- and intra-specific level [9–12].Over exploitation ofB. aristata created scarcity of the material that opened new vistas to identify a possible substitute for this species. During the market surveillance of different herbal drug markets of India, it was observed that almost all the markets either comprise Berberis lyciumor Berberis asiatica.Although a detailed pharmacognostic study of B. aristata, B. asiatica,and B. chitria is reported by Srivastava et al. [13–15], market surveillance is not yet performed. Hence, the present study has been undertaken, which may be useful to pharmaceutical industries for the authentication of the commercial samples and to explore the possibilities of using other species as a substitute of B. aristata.


## 2. Materials and Methods

The plant materials were collected from the Dhanaulti (Uttaranchal) region of India (LWG 221238-11) and the roots were preserved in 70% ethyl alcohol for histological studies. Procurement of commercial samples was done from various important drug markets of India,namely, Aligarh, Amritsar, Bangalore-I, Bangalore-II, Delhi, Hyderabad, Jammu, Lucknow, Trichur, Varanasi, and so forth.Microtome sections were cut and stained with safranin and fast green and photographed with Nikon F70X camera [16]. Physicochemical and phytochemical studies like total ash, acid insoluble ash, tannins, and total alkaloids were calculated from the shade dried powdered material according to the recommended procedures [17–19]. Further, heavy metal studies and quantitative estimation of berberine through HPTLC have also been performed as per ICH guidelines.


## 3. Results and Discussion

Morphological studies showed certain minor variations in all the fourBerberis species (see Table 4). For example, in B. aristata and B. chitriathe cut surface is bright yellow while that of B. asiaticaand B. lycium is lemon yellow, and deep yellow, respectively. Similarly the colour of wood bark has also minor variation, namely, it is yellowish brown to yellowish gray in all the three species except in B. lycium the colour is grayish white. Likewise the numbers of pericyclic fibres are different in all the four species, for example, the maximum is found in B. aristata and minimum in B. lycium (Tables 1, 2, and 3; Figures 1, 2, 3, and 4).Table 1
Comparative botanical analysis of the roots of fourBerberisspecies.
Characters
Berberis aristata
Berberis asiatica
Berberis chitria
Berberis lycium
Macroscopic
Outer surface of the bark, creamish brown, and the inner surface attached to wood is yellowish brown. Bark 2 mm thick, knotty and brittle.Cut surface of the wood is bright yellow.Fracture hard, odourless and bitter in taste.Fine longitudinal ridges and flakes are present
Outer surface creamish brown but inner surface is muddy yellow.Bark 2 mm thick, friable separated out immediately from woody part.Cut surface of the wood lemon yellow.Fracture very hard, odour phenolic and very bitter in taste
Outer surface light brown, grooved with transverse marks, bark not easily detachable.Bark upto 5 mm thick, split longitudinally. Cut surface bright yellow.Fracture hard, odour faintly phenolic and very bitter in taste
Outer surface grayish brown with shinnings. Bark up to 3 mm thick, brittle, warty and easily detachable.Cut surface deep yellowFracture hard, odour phenolic and bitter in taste
Cork cells
Brown, 10–20 layered
Brown, 12–15 layered
Dark brown, 8–10 layered
Dark brown, 8–11 layered
Cork Cambium
2 or 3 layered
1 or 2 layered
1 or 2 layered
2 or 3 layered
Cortical zone
30–35 layered, outer 4 to 6 layers compressed, devoid of stone cells
18–20 layered
12–20 layered
17–22 layered
Sclereids
Solitary or in group of 2 to 10
Rarely solitary but in group of 2 to 12, comparatively more than other three species
2 to 4 in groups
2 to 4 in groups
Pericyclic fibres
Mostly solitary but sometimes in groups of 2 to 10
Interrupted with stone cells
Frequently present comparatively lesser thanB. aristata and B. asiatica
Frequently present comparatively lesser than other three species
Vessels
Solitary or in group of 2 or 3
Solitary or in group of 2 or 5
Solitary or in group of 2 or 3
Solitary or in group of 3 or 4
Medullary Rays
2 to 4 cells broad
2 to 3 cells broad
2 to 4 cells broad
2 to 5 cells broadTable 2
Comparative Maceration study of the roots of fourBerberis species.
Macerated elements(in μm)
Berberis aristata
Berberis asiatica
Berberis chitria
Berberis lycium
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Tracheids
Length
491.024
±125.571
658.613
±253.672
348.308
±129.626
282.836
±4.598
Width
13.062
±4.600
13.749
±6.481
12.221
±2.645
12.603
±0.231
Vessels
Length
259.720
±158.670
494.964
±181.477
160.405
±187.958
140.108
±14.862
Width
25.590
±18.198
20.623
±16.203
19.859
±11.533
24.629
±0.468
Fibres
Length
645.481
±259.182
522.462
±246.290
476.632
±337.029
517.879
±2.217
Width
14.666
±3.986
11.457
±3.240
10.693
±2.645
10.884
±0.258
Tracheidal fibres
Length
694.064
±324.992
714.949
±181.477
760.778
±194.440
368.931
±15.691
Width
12.986
±2.916
11.457
±3.240
11.457
±3.240
12.218
±0.250Table 3
Comparative botanical analysis of the stems of fourBerberisspecies.
Characters
Berberis aristata
Berberis asiatica
Berberis chitria
Berberis lycium
Macroscopic
Outer surface of bark, creamish brown, inner surface yellowish brown, knotty, thin, and brittle.Cut surface light yellow.Fracture hard and bitter in taste
Outer surface of bark grayish brown and friable, fine longitudinal ridges and small warts, inner surface dark brown.Fine longitudinal ridges and small warts below the bark surface leaving dark brown.Cut surface yellowish cream.Fracture very hard and very bitter in taste
Outer surface light brown, split longitudinally, warts comparatively large in size. Whole bark pealed off leaving coffee brown almost smooth inner surface.Cut surface light yellow.Fracture hard and bitter in taste
Outer surface grayish brown with shining. Bark easily detachable, thin, brittle, and twisted.Cut surface canary yellow.Fracture hard and bitter in taste
Cork cells
Brown, 15–25 layered
Brown, 08–10 layered
Dark brown, 8–15 layered
Dark brown, 7–19 layered
Cork Cambium
2 or 3 layered
1 or 2 layered
1 or 2 layered
2 or 3 layered
Cortical zone
20–25 layered, outer 4 to 6 layers compressed, devoid of stone cells
16–18 layered
20–24 layered
20–26 layered
Sclereids
Solitary or in group of 2 to 10
Sometimes solitary but in group of 2 to 4, comparatively more than other three species
Solitary
Scattered or sometimes in linear groups
Pericyclic fibres
Mostly solitary but sometimes in groups of 2 to 10
Interrupted with stone cells
Frequently present comparatively lesser thanB.  aristata and B. asiatica
Frequently present comparatively lesser than other three species.
Vessels
In group of 2 to 3 or solitary
Solitary or in group of 2 to 4
Mostly in group of 2 to 3 or solitary
Solitary or in group of 3 or 4
Medullary Rays
2 to 4 cells broad
2 to 5 cells broad
2 to 4 cells broad
1 to 3 cells broad
Pith
Present
Present
Present
PresentTable 4
Comparative Maceration study of the stems of fourBerberis species.
Macerated elements
Berberis aristata
Berberis asiatica
Berberis chitria
Berberis lycium
Mean
Seed,
Mean
Seed,
Mean
SD
Mean
SD
Trachieds
Length
439.03
±75.641
625.583
±169.764
360.398
±102.082
262.436
±3.145
Width
12.85
±4.600
12.417
±6.481
12.420
±2.645
11.603
±0.384
Vessels
Length
459.72
±48.896
594.694
±102.728
468.908
±082.487
440.168
±14.862
Width
20.69
±10.186
18.623
±16.203
19.859
±11.503
20.629
±0.860
Fibres
Length
627.38
±158.092
543.216
±180.780
424.426
±292.948
497.796
±2.217
Width
13.41
±3.986
11.246
±3.240
10.993
±2.645
18.443
±0.258
Tracheidal fibres
Length
625.08
±224.887
706.843
±086.878
670.678
±094.087
334.632
±15.691
Width
11.49
±2.916
11.247
±3.240
11.457
±3.240
12.268
±0.250Figure 1
Anatomical characters ofBerberis aristataroot.Figure 2
Anatomical characters ofBerberis asiaticaroot.Figure 3
Anatomical characters ofBerberis chitriaroot.Figure 4
Anatomical characters ofBerberis lyciumroot.A comparative account of all physicochemical values has been depicted in histograms (Figures5–10). It is quite clear from these studies that no significant variation was observed in total ash of all the four species of Berberis. However, the percentage of acid insoluble ash of roots and stem showed significant variations; for example, the highest percentage of 0.26% acid insoluble ash was observed in B. asiaticaroot and the lowest one of 0.05% was noted in B. aristataroot (Figure 5). It is interesting to note that the percentage of alcohol and water-soluble extractives were higher in root as compared to stem except in B. chitria (Figure 6). On the contrary the percentage of starch was higher in stem (14–19%) except in B. lycium(root) it was 26.03%. Percentage of tannin was more or less similar in both in root and stem of all the samples (0.7–1.7%).Figure 5
Comparative ash values of differentBerberis species and market samples of Daruharidra.Figure 6
Comparative alcohol and water-soluble extractives values of differentBerberis species and market samples of Daruharidra.Figure 7
Comparative sugar and starch percentage of differentBerberis species and market samples of Daruharidra.Figure 8
Comparative tannin percentage of differentBerberis species and market samples of Daruharidra.Figure 9
Comparative successive soxhlet extractive values of differentBerberis species and market samples of Daruharidra.Figure 10
Quantitative estimation of berberine in different species ofBerberisand market samples of Daruharidra.Similarly, the percentage of successive Soxhlet extractive values revealed that alcohol, acetone, and water extractives were found to be significantly higher inB. aristata root, that is, 7.83%, 6.51% and 5.96% respectively. While the roots of B. asiatica possessed maximum percentage of alcoholic, acetone, and water-soluble matter, that is, 10.30%, 5.92%, and 4.92%, respectively. On the other hand the percentage of successive extractives in stem was maximum in B. lycium that is, 5.11% (acetone), 7.20% (alcohol), and 3.20% (water), respectively, and percentage of hexane soluble matter was higher in B. aristata (Figure 9).The percentage of total crude alkaloid percentage was also estimated and it was found that it varied from species to species, that is, maximum in roots ofB. chitria (3.65%) followed by the roots of B. lycium (2.8%), B. aristata(2.45%), and B. asiatica (2.4%), respectively. Besides, the active constituents berberine one of the major alkaloids was also calculated through HPTLC densitometric method (solvent system, n-propanol: water: formic acid, 90 : 80 : 0.4) and it was found more in roots as compared to stem, that is, 2.25–5.20% and 1.02–2.01%, respectively. Its concentration was also varied from species to species, that is, maximum in roots of B. chitria (5.20%) followed by B. lycium (3.99%), B. aristata(3.55%), and B. asiatica (2.25%). Details are depicted in Figure 10.A comparative study of official drugB. aristata sample with that of commercial samples was made (Figures 5–15) and it was found that the Bangalore-I sample has all the similar morphological characters of roots of B. asiatica,namely, (i) outer surface grayish brown with 2 mm thick friable bark, which was separated out immediately leaving muddy yellow surface of the wood; (ii) transversely cut surface lemon yellow; (iii) sclerieds mostly in groups of 2–12 rarely solitary and comparatively more than other three species; (iv) pericycle fibres interrupted by stone cells; (v) length of the vessel elements much more than the other species, that is, up to 500 μm (±181.0); (vi) physicochemical values are within the prescribed range (Table 6) of Ayurvedic Pharmacopoeia of India [9], hence, identified as roots of B. asiatica.Figure 11
Comparative heavy metal studies of differentBerberis species and market samples of Daruharidra.Figure 12
8 HPTLC profile of differentBerberisspecies (under UV 366) (solvent system: n-propanol: water: formic acid, 90 :  80 : 0.4).Figure 13
HPTLC profile of different market samples ofDaruharidra(under UV 366); (Solvent system: n-propanol: water: formic acid, 90 : 80 : 0.4).Figure 14
Crude samples ofDaruharidrafromdifferent market of India.Figure 15
Powder study of different market samples ofDaruharidra.Similarly majority of anatomical characters of Aligarh and Varanasi samples matched with the stem and roots ofB. asiaticain having (i) some pieces with fine longitudinal ridges and small warts on the outer surface of bark and dark brown outer surface of wood; (ii) transversely cut surface lemon yellow; (iii) sclerieds rarely solitary mostly in groups of 2–12 and comparatively more than other three species; (iv) pericycle fibres interrupted by stone cells; (v) length of the vessel elements much more than the other species up to 600 μm (±181.0); (vi) trachieds up to 680 μ (±167.0) long; (vii) some other pieces have grayish brown outer surface with 2 mm thick friable bark which was separated out immediately leaving muddy yellow surface of the wood; presence of prominent pith as in stem of B. asiatica.Furthermore, the commercial samples of Delhi and Lucknow showed close resemblance with the stem ofB. asiatica by the presence of (i) fine longitudinal ridges and small warts on the outer surface of bark and yellowish creamy transverse cut surface; (ii) dark brown outer surface of wood as appeared after peeling off the bark; (iii) sclerieds rarely solitary mostly in groups of 2–12 and comparatively more than other three species; (iv) pericycle fibres interrupted by stone cells; (v) trachieds up to 680 μ (±167.0) and vessels up to 600 μ (±102.0) long (vi) pith.Similarly, the market samples of Amritsar and Jammu were found to be the mixture of stem and root of two differentBerberis species. Amritsar samples were found to be the stem of B. aristata and root of B. asiaticawhile Jammu sample comprised of root of B. chitraand stem of B. asiatica.The morphological characters in Amritsar sample are (i) outer surface creamish brown with knots, fine longitudinal ridges, and flakes; (ii) bark very thin and brittle; (iii) transverse cut surface bright yellow; (iv) outer surface of wood which appeared after peeling off the bark was yellowish brown; (v) sclerieds solitary or in a group of  2–10; (vi) pericyclic fiber mostly solitary, rarely in groups of 2–10; (vii) length of the fibres much more, that is, about 630μm as compared to other three species.On the other hand some of the pieces of this sample showed close resemblance with that of the stem ofB. asiatica in having (i) outer surface grayish brown with 2 mm thick friable bark which was separated out immediately leaving muddy yellow surface of the wood; (ii) transverse cut surface lemon yellow (iii) sclerieds rarely solitary mostly in groups of 2–12 and comparatively more than other three species (iv) pericycle fibres interrupted by stone cells; (v) length of the vessel elements much more than the other species, that is, up to 500 μm (±102.0); (vi) presence of pith.Similarly the morphological characters found in some pieces of  Jammu samples showed close resemblance with those of stem ofB. asiatica, as in Delhi and Lucknow markets. However, some other characters similar to roots of B. chitria. The different characters, this market samples showed are (i) outer surface light brown in colour with broad ridges and grooves and transverse marks; (ii) bark up to 5 mm thick but not easily detachable as in other three species; (iii) transverse cut surface bright yellow (iv) sclerieds mostly in groups of 2–4; (v) pericycle fibres present but are much lesser in number than B. aristataand B. asiatica; tracheidal fibres up to 960 μm (±86.0) long.The percentage of successive extractives (Soxhlet), sugar, starch, and berberine content also support the above finding (Figures6–10).On the contrary the Hyderabad commercial sample seems to be the mixture of threeBerberisspecies. Some pieces showed close affinity with roots of B. asiatica; other pieces resembled roots of B. aristata. Besides some of the pieces have no resemblance with any of the four species studied. These may be the roots of B. tinctoria as it is a common species found in these areas.The samples procured from Trichur and Bangalore II do not resemble any of the Berberis species studied. Presence of wedge shaped medullary rays and wheel shaped transverse section indicate that these pieces may belong to Menispermaceae. Hence an attempt was made to compare the characters of these samples with the root and stem ofCoscinium fenestratum. After comparison it was found that samples procured from Trichur and Bangalore II were root and stem of C. fenestratum Gaertn, respectively.From the heavy metal analysis of crude drug samples of different herbal market, it was observed that the concentration of majority of heavy metals, namely, Cd, Co, Mn, Zn, and Cu within the permissible limits of WHO in both the collected and commercial samples. However, the significant variations in Lead concentration were observed in both samples that is, in collected as well as in commercial ones. For example, in the stem of collected samples, the increase is quite low but in some of the commercial samples, namely, Amritsar, Delhi, and Hyderabad many fold increase in lead concentration was observed, this may be due to vehicular pollution or may be due to edaphic factors (Figure11).


## 4. Conclusion

From the ongoing discussion it is quite clear that most of the commercial samples consist of mixture of roots or stems ofBerberis asiatica whileB. aristata is found only in the market samples of Amritsar and Hyderabad mixed with roots of B. asiatica.On the basis of the above study it may be concluded that in India differentBerberisspecies and their parts are being sold in the name of crude drug Daruharidra (Table 5).Table 5
Market samples of different regions from India.
Serial number
Markets
Findings
1
Amritsar
Mixture of root ofB. asiatica and stem of B. aristata
2
Aligarh
Mixture of root  and stem ofB. asiatica
3
Banglore I
Root ofB. asiatica
4
Banglore II
Stem ofCoscinium fenestratum
5
Delhi
StemB. asiatica
6
Hyderabad
Mixture of rootB. asiatica Root B. aristata Root of B. tinctoria
7
Jammu
Mixture of root ofB. chitria and stem of B. asiatica
8
Lucknow
Stem ofB. asiatica
9
Trichur
Root ofCoscinium fenestratum
10
Varanasi
Mixture of root and stem ofB. asiaticaTable 6
Identity, purity, and strength as prescribed by Ayurvedic Pharmacopoeia of India.
Parameters
Values
Foreign matter
Notmore than 2 percent
Total ash
Notmore than 14 percent
Acid-insoluble ash
Notmore than 5 percent
Alcohol-soluble extractive
Notless than 6 percent
Water-soluble extractive
Notless than 8 percent



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