Department of Pharmaceutical Chemistry & Quality Assurance, School of Pharmacy, Rai University, Saroda, Dholka Road, Ahmedabad, Gujarat, INDIA-382260.
Turmeric (Curcuma longa) and Aparajita (Clitoria ternatea) are two medicinal plants extensively studied for their pharmacological and therapeutic roles. Turmeric, rich in curcuminoids, exhibits anti-inflammatory, antioxidant, wound healing, and antimicrobial properties, while Aparajita contains flavonoids and alkaloids contributing to antioxidant, anti-stress, and skin-protective effects. The topical application of herbal creams has gained significant attention in modern pharmaceutics due to their biocompatibility and minimal side effects compared to synthetic formulations. This project provides a comprehensive review of the Phytochemistry, pharmacological activities, and cosmetic potential of Curcuma longa and Clitoria ternatea. Special focus is given to their role in herbal cream formulation for skincare, highlighting their synergistic potential in promoting skin health, wound healing, and anti-aging benefits. The review identifies research gaps, particularly regarding comparative evaluation and long-term safety studies of Polyherbal creams incorporating these plants. The proposed formulation aims to establish a natural, safe, and effective alternative to conventional topical agents, thereby promoting sustainable use of medicinal plants in dermatological applications.
Turmeric (Curcuma longa), a member of the Zingiberaceae family, has been used in Ayurveda and Traditional Chinese Medicine for over 4,000 years. It is recognized for its potent anti-inflammatory, antioxidant, and antiseptic properties and has traditionally been employed to treat digestive issues, skin ailments, and wounds. Beyond its medicinal significance, turmeric is a staple in Indian cuisine, imparting its distinct yellow color and flavor. The major bioactive compound, curcumin, along with demethoxycurcumin, bisdemethoxycurcumin, turmerones, and other volatile oils, contributes to its therapeutic efficacy. These phytoconstituents exhibit antioxidant, antimicrobial, and anti-inflammatory activities, making turmeric a promising agent in dermatological applications. In skincare, turmeric is widely used for brightening complexion, reducing hyperpigmentation, soothing inflammation, and protecting against free radical damage, thereby helping delay premature skin aging.
Aparajita (Clitoria ternatea), commonly known as Butterfly Pea, is a perennial climbing plant native to tropical Asia and valued in Ayurveda for its nootropic and adaptogenic effects. Traditionally used to alleviate stress and anxiety, its vivid blue flowers hold cultural and medicinal importance. The plant contains a diverse range of bioactive compounds, including anthocyanins, flavonoids, triterpenoids, and cyclotides, which provide antioxidant, anti-inflammatory, and antimicrobial properties. In topical and cosmetic formulations, Aparajita extracts have demonstrated potential to enhance skin hydration and elasticity, reduce oxidative damage, and protect against UV-induced skin stress. Moreover, its capacity to inhibit melanogenesis supports its role as a natural skin-brightening and anti-hyperpigmentation agent.
Together, Turmeric and Aparajita represent valuable botanical resources with complementary phytochemical and dermatological benefits, offering promising potential in the formulation of natural and effective skincare products.
Turmeric and Aparajita comparative feature table 1,2
|
Feature |
Turmeric (Curcuma longa)¹ |
Aparajita (Clitoria ternatea)² |
|
Antioxidant Activity |
High – protects against free radical damage |
Moderate – reduces oxidative stress |
|
Primary Bioactive Compounds |
Curcumin, turmerones, volatile oils |
Anthocyanins, flavonoids, triterpenoids, cyclotides |
|
Anti-inflammatory Effects |
Strong – soothes skin irritation |
Moderate – alleviates inflammation |
|
Skin Brightening |
Inhibits melanin production, reduces hyperpigmentation |
Inhibits melanogenesis, evens skin tone |
|
Acne Treatment |
Antibacterial properties reduce acne-causing bacteria |
Antimicrobial activity prevents acne and skin infections |
|
UV Protection |
Protects against UV-induced skin damage |
Protects against UV-induced skin damage |
|
Wound Healing |
Accelerates wound healing and collagen formation |
Enhances skin hydration and elasticity |
2. Phytochemistry and Pharmacological Profile
Phytochemistry 5,6,7,8
Turmeric (Curcuma longa) exhibits a complex phytochemical composition with over 200 identified compounds, primarily classified into curcuminoids, volatile oils, and other secondary metabolites. The curcuminoid fraction—comprising curcumin, demethoxycurcumin, and bisdemethoxycurcumin—constitutes about 2–5% of the rhizome’s weight and is chiefly responsible for turmeric’s yellow pigment and diverse pharmacological activities, including antioxidant, anti-inflammatory, wound healing, and skin-lightening effects. The volatile oil fraction, rich in ar-turmerone, α- and β-turmerones, and zingiberene, imparts turmeric’s distinct aroma and contributes antimicrobial, antifungal, and anti-inflammatory actions, enhancing its value in topical skincare formulations. Additionally, the presence of phenolic compounds, sugars, proteins, resins, and minerals further supports turmeric’s multifaceted therapeutic and cosmetic potential, establishing it as a key natural ingredient in modern dermatological research and product development shown in figure 1.
Clitoria ternatea, commonly known as Butterfly Pea, is a rich source of diverse phytoconstituents such as flavonoids, triterpenoids, anthocyanins, tannins, and steroids that contribute to its potent antioxidant and anti-inflammatory activities. The vibrant blue petals contain high concentrations of anthocyanins, responsible for both the characteristic color and strong free radical scavenging properties. Roots and leaves contain alkaloids and saponins that further enhance its therapeutic profile. According to Khare, the seeds are abundant in proteins and peptides with nootropic effects, traditionally used in Ayurveda for enhancing memory and intellect, thereby establishing a strong foundation for modern pharmacological research shown in figure 2.
Figure 1: Phytochemical Composition in Curcuma longa
Figure 2: Phytochemical Composition in Curcuma longa and Clitoria ternatea.
Moreover, compounds like taraxerol, taraxerone, and various flavonol glycosides present in different parts of the plant contribute to antimicrobial, analgesic, and anxiolytic properties. The anthocyanins are particularly noted for their neuroprotective roles, improving synaptic plasticity and reducing oxidative stress in the brain. Additionally, the saponins and alkaloids are believed to modulate neurotransmitter levels, supporting cognitive enhancement. This broad spectrum of bioactive compounds and mechanisms of action underscores Clitoria ternatea’s significance as a multifunctional medicinal plant with immense potential in both traditional and contemporary therapeutic applications.
Pharmacology 5,6,9,10
Turmeric (Curcuma longa) exhibits a wide spectrum of pharmacological activities attributed primarily to its bioactive constituent curcumin and volatile oils. The antioxidant activity of curcumin stems from its polyphenolic structure, which effectively neutralizes reactive oxygen species such as superoxide anions and hydroxyl radicals. By enhancing endogenous antioxidant enzymes like superoxide dismutase and catalase, curcumin protects skin cells from oxidative damage, lipid peroxidation, and protein oxidation — key factors contributing to premature aging and cellular degeneration. Additionally, its strong anti-inflammatory potential involves the downregulation of pro-inflammatory cytokines through inhibition of TNF-α, NF-κB, and COX-2 pathways, making it effective in managing chronic dermatological disorders such as psoriasis, eczema, acne, and atopic dermatitis, with minimal side effects compared to synthetic drugs.
The volatile oil fraction of turmeric, particularly ar-turmerone and zingiberene, enhances its antimicrobial and antifungal actions by inhibiting common skin pathogens like Propionibacterium acnes and Staphylococcus aureus. These lipophilic compounds penetrate deeper skin layers, improving topical efficacy. Turmeric also exhibits remarkable wound-healing potential by stimulating fibroblast proliferation, collagen synthesis, and angiogenesis, promoting faster tissue regeneration. Furthermore, curcumin’s ability to inhibit tyrosinase activity reduces melanin synthesis, imparting skin-lightening and depigmenting effects beneficial for cosmetic applications. Collectively, these antioxidant, anti-inflammatory, antimicrobial, wound-healing, and depigmenting properties substantiate turmeric’s traditional use and support its modern relevance in dermatological and cosmetic formulations.
Clitoria ternatea exhibits remarkable immunomodulatory properties supported by modern pharmacological research. Ethanoic extracts of the plant have been shown to enhance antibody titers and delayed-type hypersensitivity responses, indicating stimulation of adaptive immunity. Flavonoids and alkaloids present in the plant also promote macrophage activity, thereby strengthening innate immune defense mechanisms. Long-term studies confirmed the extract’s safety and non-toxicity, validating its traditional Ayurvedic classification as a “Medhya Rasayana”—a rejuvenative herb for the brain and immune system. These findings provide strong scientific support for its traditional use as a natural immunity booster.
Additionally, Clitoria ternatea demonstrates potent antimicrobial and antioxidant activities. Extracts derived from its flowers and leaves show strong inhibitory effects against both Gram-positive and Gram-negative bacteria, particularly Staphylococcus aureus and Escherichia coli, due to the presence of flavonols and saponins. The plant also exhibits robust antioxidant potential through DPPH and reducing power assays, attributed to anthocyanins and polyphenols that reduce oxidative stress and cellular damage. Together, these properties highlight Clitoria ternatea’s therapeutic promise as both a cognitive enhancer and a potent antimicrobial-antioxidant agent in contemporary pharmacological research as shown in Figure 3.
Figure 3: Pharmacological Activity Profile of Turmeric (Curcuma longa) vs. Aparajita (Clitoria ternatea)
Topical and Cosmetic Applications 5,6,11,12
Turmeric exhibits multifaceted pharmacological benefits in topical applications, primarily due to its key constituents—curcumin, demethoxycurcumin, and bisdemethoxycurcumin. These compounds demonstrate potent antioxidant, anti-inflammatory, and skin-brightening properties by inhibiting tyrosinase activity and reducing melanin synthesis, making turmeric an effective ingredient for managing hyperpigmentation and uneven skin tone. Additionally, the presence of volatile oils such as α-turmerone and β-turmerone contributes to strong antimicrobial effects against both Gram-positive and Gram-negative bacteria, supporting its therapeutic use in anti-acne and antiseptic formulations.
Furthermore, advancements in formulation techniques like emulsions, nano-carriers, and hydrogels have significantly enhanced turmeric’s skin penetration, bioavailability, and sustained release. These innovations ensure prolonged therapeutic action, improving overall efficacy in herbal creams. Collectively, turmeric’s diverse phytochemical profile acts through multiple pathways—antioxidant, antimicrobial, anti-inflammatory, wound-healing, and skin-lightening—validating its role as a valuable functional ingredient in modern dermatological and cosmeceutical formulations.
Clitoria ternatea has demonstrated significant wound-healing potential when used in topical formulations derived from its leaf extract. Experimental studies using excision and incision models revealed that treated wounds healed faster, with quicker epithelialization and greater wound contraction compared to controls. The increased hydroxyproline content observed in treated tissues indicated enhanced collagen synthesis, a vital process in tissue repair and regeneration. These effects are attributed to the presence of tannins and flavonoids, which provide antimicrobial protection while promoting new tissue formation, confirming the plant’s effectiveness in accelerating wound healing.
Beyond its therapeutic value, Clitoria ternatea has also gained attention in herbal cosmetic formulations. Its flower extract, rich in anthocyanins, acts as both a natural coloring agent and a potent antioxidant with anti-aging properties. The anthocyanins protect the skin from UV-induced oxidative stress, minimizing premature aging and environmental damage, while saponins and flavonoids help maintain skin hydration and inhibit microbial growth. Collectively, these findings establish Clitoria ternatea as a multifunctional herbal ingredient with strong potential for use in modern topical and cosmetic preparations aimed at skin rejuvenation and protection shown in Table 1.
Table 1: Summary of Topical and Cosmetic Applications
|
Parameter |
Turmeric (Curcuma longa) |
Aparajita (Clitoria ternatea) |
|
Skin Care Role |
Antioxidant, anti-inflammatory, anti-acne |
Antioxidant, anti-aging, moisturizing |
|
Formulation Type |
Creams, gels, hydrogels, nanoemulsions |
Creams, emulsions, polyherbal combinations |
|
Mechanism of Action |
Inhibits ROS, cytokines, and tyrosinase |
Protects against UV and oxidative stress |
|
Safety/Tolerability |
Non-irritant, stable under pH 5–7 |
Non-irritant, color-stable |
|
Key Outcome |
Reduced hyperpigmentation, enhanced healing |
Improved hydration, elasticity, tone |
Polyherbal Formulations 13-22
Recent formulation studies have highlighted the successful incorporation of Clitoria ternatea extract into stable topical emulsions and cosmetic creams. The formulated cream demonstrated strong in vitro antioxidant activity, confirming that the extract retained its free radical scavenging potential even after incorporation. Additionally, mild skin application tests revealed no irritation, ensuring the product’s safety for topical use. Improved skin hydration observed in treated areas was attributed to the synergistic effect of the moisturizing base and the plant’s bioactive compounds, particularly flavonoids and anthocyanins. The formulation also showed favorable sensory characteristics such as smooth texture, color stability, and overall user satisfaction.
Similarly, an anti-aging cream using Clitoria ternatea in combination with Mangifera indica and Annona squamosa extracts demonstrated stability without phase separation and maintained desirable attributes such as homogeneity, pH, and consistency under accelerated conditions. No adverse reactions like redness or irritation were observed, indicating its dermatological safety. The formulation exhibited significant antioxidant activity linked to its phenolic and flavonoid content, supporting its potential for reducing oxidative skin damage and promoting rejuvenation. Together, these studies validate Clitoria ternatea as a versatile, safe, and effective ingredient in modern cosmetic formulations, particularly for antioxidant, moisturizing, and anti-aging applications.
A topical cream containing Curcuma longa extract was formulated to exploit its potent antioxidant and anti-inflammatory activities. The formulation was evaluated for stability, pH, spreadability, and skin compatibility, all of which showed favorable results with no signs of irritation or phase separation. The cream effectively preserved the antioxidant capacity of curcuminoids, which help neutralize free radicals and protect skin cells from oxidative stress—key factors in preventing premature aging. Additionally, short-term application improved skin hydration and elasticity, indicating that the cream base facilitated sustained delivery and activity of the bioactive compounds. These findings establish Curcuma longa as a safe and efficacious natural ingredient for cosmetic and dermatological formulations.
Curcumin-rich extracts of Curcuma longa were optimized for incorporation into topical emulsions for enhanced stability and skin penetration. Their formulations showed effective curcumin delivery into both the epidermis and dermis, ensuring bioavailability and prolonged antioxidant protection. Stability studies confirmed that curcumin remained chemically stable without discoloration or degradation over time. Furthermore, the cream exhibited desirable cosmetic characteristics such as smooth texture, easy spreadability, and good user acceptability. The strong antioxidant performance observed in vitro reinforced its potential to protect the skin from oxidative damage and photoaging. Collectively, these studies highlight Curcuma longa as a scientifically validated, multifunctional herbal ingredient suitable for modern skincare and therapeutic topical products.
Opportunity for future research
Despite extensive research on the individual topical applications of Curcuma longa (turmeric) and Clitoria ternatea (Aparajita) in herbal creams and cosmetic formulations, there is a notable absence of studies investigating the combined effect of these two herbs in a single formulation. Both plants exhibit complementary pharmacological properties — turmeric is well-known for its anti-inflammatory, antioxidant, and antimicrobial activities, while Aparajita demonstrates potent wound healing, skin rejuvenating, and immunomodulatory effects. However, no research has explored their synergistic potential in a topical cream, gel, or cosmetic product. Developing such a formulation could provide a polyherbal cream that integrates the benefits of both herbs, potentially enhancing skin protection, healing, and anti-aging effects beyond what each herb achieves individually. This gap in the literature highlights an important area for future studies aimed at creating innovative, natural, and effective herbal topical formulations.
CONCLUSION
Based on the comprehensive review of Curcuma longa (turmeric) and Clitoria ternatea (Aparajita), both herbs exhibit potent pharmacological properties, including antioxidant, anti-inflammatory, antimicrobial, and wound-healing activities, and have been individually proven effective, stable, and safe in topical formulations. However, a notable research gap exists, as no studies have yet explored the synergistic potential of combining these two botanicals in a single polyherbal cream. Developing such a formulation could enhance skin protection, rejuvenation, and healing by integrating the complementary bioactivities of both herbs. Therefore, the proposed polyherbal cream aims to fill this gap by offering a natural, safe, and efficacious topical product, paving the way for innovation and advancement in herbal-based cosmetic and therapeutic formulations.
REFERENCES
Prince Solanki, Dr. Bhoomi Patel*, Exploring Roles in Herbal Cream Formulation: Turmeric (Curcuma longa) and Aparajita (Clitoria ternatea), Int. J. of Pharm. Sci., 2025, Vol 3, Issue 11, 3052-3060 https://doi.org/10.5281/zenodo.17657869
10.5281/zenodo.17657869