Blue Tea Extract Based Preparation Of Mouthwash And Its Cytotoxic Activity
Ananya R1, Arvina Rajasekar2*, S Rajeshkumar3
1 Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai- 77, India.
2 Senior Lecturer, Department of Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences [SIMATS], Saveetha University, Chennai- 77, India.
3 Associate Professor, Department of Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences [SIMATS], Saveetha University, Chennai- 77, India.
*Corresponding Author
Dr. Arvina Rajasekar,
Senior Lecturer, Department of Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences [SIMATS], Saveetha University, Chennai-
77, India.
Tel: +91 9486442309
E-mail: arvinar.sdc@saveetha.com
Received: September 13, 2021; Accepted: September 22, 2021; Published: September 23, 2021
Citation:Ananya R, Arvina Rajasekar, S Rajeshkumar. Blue Tea Extract Based Preparation Of Mouthwash And Its Cytotoxic Activity. Int J Dentistry Oral Sci. 2021;8(9):4620-4623. doi: dx.doi.org/10.19070/2377-8075-210009410
Copyright: Dr. Arvina Rajasekar©2021. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.
Abstract
Background: Blue tea is a caffeine-free herbal infusion produced by dried or fresh Clitoria ternatea plant leaves. The blue tea
is high in antioxidants, which shield the body from free radical damage.
Aim: The aim of this study was to prepare mouthwash using blue tea and to assess its cytotoxic activity.
Materials and Methods: 5 gms of the dried leaves of Clitoria ternatea plant was taken in 100 ml of water and then boiled. It is
later cooled down, filtered and thus forming the extract. For the mouthwash, 0.3 grams of sucrose, 0.001 grams of preservative
and 0.01 gms of sodium lauryl sulphate (SLS) was added to 1 ml of concentrated extract and then 10 ml of distilled water
was added. Brine shrimp lethality assay technique was used to assess the cytotoxic effect.
Results: Unpaired t test showed that the number of brine shrimps alive after 24 hours in Clitoria ternatea mouthwash was
significantly lesser when compared to the control at various concentrations even though the magnitude of difference was
lesser at higher concentrations (p>0.05). Also, the comparison of the mean brine shrimp count alive after 24 hours between
different concentrations and the control was calculated using a one way ANOVA test. There was a significant decrease in the
number of brine shrimps from lower concentration to higher concentration (p>0.05).
Conclusion: The present study reveals that the prepared blue tea extract based mouthwash exhibited cytotoxic activity at
various concentrations even though the magnitude of difference was lesser at higher concentrations.
2.Introduction
3.Materials and Methods
3.Results
4.Discussion
5.Conclusion
5.References
Keywords
Blue Tea; Herbal Mouthwash; Green Synthesis; Cytotoxicity; Innovative Technique.
Introduction
Herbal teas are becoming more popular as more people become
aware of the possible negative effects of caffeinated beverages
such as daily tea and coffee[1-9]. Herbal teas made from flowers
such as chamomile and blue pea have become popular among tea
drinkers all over the world. Though chamomile tea is well-known
for its mild, calming flavour and ability to relieve tension, blue pea
flower tea is less well-known[10-11].
Blue tea, also known as butterfly pea flower tea, is a caffeine-free
herbal infusion produced by infusing dried or fresh Clitoria ternatea
plant leaves [12-14]. The best part about blue tea is that it contains
no caffeine and is loaded with antioxidants. The butterflypea,
also known as blue pea or pigeon wings, is a plant that can be
found in Southeast Asia [15]. Catechins, found in blue tea, are said
to help burn belly fat and aid weight loss. Drinking butterfly-pea
flowers soaked in warm water is said to boost metabolism, causing
the body to consume more calories [16].
The blue tea is high in antioxidants, making it an excellent addition
to your detox diet. Antioxidants shield the body from free
radical damage. Butterfly-pea flower tea is said to have a calming
effect due to its earthy flavour [16, 17]. The tea is said to have
stress-relieving properties and may also assist in the reduction of
anxiety symptoms [18]. As a natural diuretic, blue tea is said to
assist in the loss of water weight. While there isn't much clinical
evidence to indicate that blue tea can help with diabetes management, it is said to help regulate blood sugar levels [19].
There is a lot of debate and discussion about the advantages of
blue tea over green tea. On the same topic, research is ongoing,
and it has been scientifically proven that blue tea contains
more antioxidants than green tea [18-21]. Our team has extensive
knowledge and research experience that has translated into high
quality publications [22-41]. Therefore the aim of this study was
to prepare mouthwash using blue tea and assess its cytotoxic activity.
Materials and Methods
Preparation of Blue tea extract
5 gms of the dried leaves of Clitoria ternatea plant was taken in 100
ml of water and then boiled. It is later cooled down, filtered and
thus forming the extract. (Figure 1).
Preparation of mouthwash
For making the mouthwash, 0.3 grams of sucrose was added as
the sweetening agent, 0.001 grams of preservative was added and
0.01 gms of sodium lauryl sulphate (SLS) as the foaming agent, to
this 1 ml of concentrated extract and 10ml of distilled water was
added (Figure 2).
Brine shrimp lethality assay
Brine shrimp eggs were purchased commercially. Brine shrimp
eggs were incubated for 48 hours in a small water tank containing
brine/seawater for hatching. The larvae were utilised for the experiment
after 24 hours (nauplii). 10-12 mL of salt water was used
to fill 6 well ELISA plates. To that end, 10 nauplii were slowly
added to each well containing varying concentrations of mouthwash
(control, 5µl, 10µl, 20µl, 40µl, and 80µl). After 24 hours, the
plates were incubated. To achieve triplicate values, this technique
was performed three times. After 24 hours, the ELISA plates were
examined for the presence of live nauplii and the number of dead
nauplii was determined using the formula (number of dead nauplii
/ number of live nauplii x 100) [42, 43]. (Figure 3).
Results
In the present study, brine shrimp lethality assay was done to assess
the cytotoxic effect of various concentrations of blue tea extract
based mouthwash. Unpaired t test was done to compare the
number of brine shrimps alive after 24 hours between Clitoria ternatea
mouthwash and the control. The number of brine shrimps
alive after 24 hours in Clitoria ternatea mouthwash was significantly
lesser when compared to the control at various concentrations
even though the magnitude of difference was lesser at higher concentrations
(p>0.05). (Figure 4).
Also, the comparison of the mean brine shrimp count alive after
24 hours between different concentrations and the control was
calculated using a one way ANOVA test. Maximum mortality was
noted in the concentration 80µl. There was a significant decrease
in the number of brine shrimps from lower concentration to
higher concentration (p>0.05). (Figure 5).
Figure 4. Bar graph shows the cytotoxic activity of Clitoria ternatea mouthwash and control against brine shrimp at various concentrations. The X axis represents the various concentrations of control and Clitoria ternatea extract in units of µl and the Y axis represents the number of brine shrimps. Blue represents the control and green represents the Clitoria ternatea extract. The graph shows that the number of brine shrimps alive in Clitoria ternatea mouthwash was significantly lesser when compared to the control at various concentrations even though the magnitude of difference was lesser at higher concentrations (p>0.05) (unpaired t test).
Figure 5. Bar graph shows the cytotoxic activity of Clitoria ternatea mouthwash against brine shrimp at various concentrations. The X axis represents the various concentrations of Clitoria ternatea extract in units of µl and the Y axis represents the number of brine shrimps. There was a significant decrease in the number of brine shrimps from lower concentration to higher concentrations. (p>0.05) (One Way ANOVA).
Discussion
The present study was done to evaluate the cytotoxic activity of
the blue tea extract using Clitoria ternatea.
The results of the current study showed that maximum mortality
was noted in the concentration 80µl. There was a significant decrease
in the number of brine shrimps from lower concentration
to higher concentration.
A study on Clitoria ternatea extract suggested that the extract has
substantial cytotoxic effect on cells and also has antioxidant effect
[44]. Our study results are in accordance with the previous studies.
The presence of the cytotoxic compound in cells can result
in a variety of cell fates. Necrosis occurs when cells lose their
membrane integrity and results in cell death [45]. The cells may
stop actively growing and dividing or they may trigger a genetic
programme that causes regulated cell death [46]. Pharmaceutical
companies also use cytotoxicity assays to assess cytotoxicity [46,
47]. Researchers can either look for cytotoxic compounds that
aim to quickly separate cancer cells or they can test preliminary
drugs for cytotoxic effects before investing in their pharmaceutical
production [1]. In this research, one of the most important
approaches to assessing cell viability and cytotoxic effects was assessing
the lethality of brine shrimp nauplii.
However, the current study had certain drawbacks such as the use
of brine shrimp lethality assay to assess the cytotoxic effect. Since
there is a lack of toxicity studies and clinical trials addressing the
cytotoxicity of Clitoria ternatea, further research is needed to fully
understand the cytotoxic impact of Clitoria ternatea. However, this
research has aided in proving the bioactive potential of inexpensive
natural plant extracts. More in vitro and in vivo research is
needed to better understand the uses of this extract in the treatment
of various illnesses as a traditional medicine that can substitute
antibiotic overuse, improve patient compliance and minimise
systemic toxicity or other adverse effects.
Conclusion
The present study reveals that the prepared blue tea extract based
mouthwash exhibited cytotoxic activity at various concentrations
even though the magnitude of difference was lesser at higher concentrations.
Acknowledgement
The authors would like to acknowledge the help and support rendered
by the Department of Periodontics, Department of Nano
Biomedicine, Saveetha Dental College and Hospitals, Saveetha Institute
of Medical and Technical Sciences, Saveetha University for
the constant assistance with the research.
Source of Funding
The present project was sponsored by
• Saveetha Institute of Medical and Technical Sciences,
• Saveetha Dental College and Hospitals,
• Saveetha University,
• Sri Kamala Super Market, Chennai.
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