Abstract
Pre-defined analytical features of a plant are used as a reference to aid in accurate identification, proper standardization, and quality control. However, no systematic work on the leaves of A. pennata is available for reference to check its authenticity, purity, and quality. Therefore, the study was aimed to develop pharmacognostic parameters using standard guidelines. The work provides macroscopic, qualitative and quantitative microscopic, physicochemical parameters, chromatographic fingerprint profile, and in-vitro antioxidant activity of A. pennata. Preliminary phytochemical screening and thin-layer chromatography hints the presence of steroids and glycosides along with polyphenolic compounds viz. phenols and flavonoids. Quantification of polyphenolic phytoconstituents and assessment of in-vitro antioxidant activity of the methanolic extract was done. The current communication offers referential knowledge on the analytical and diagnostic features for accurate taxonomical identification, proper characterization and will also help in the establishment of a pharmacognostic monograph of A. pennata for effective quality control.
Highlights
Acacia pennata (L.) Willd. (A. pennata) belonging to the family ‘Mimosaceae’ is a thorny shrub generally found in Southwest China, India, Myanmar, Bangladesh, Bhutan, Sri Lanka, and Thailand within the range of 800–1500 m above the sea level.[1]
The study was aimed to develop the necessary pharmacognostic parameters and improve the existing herbal monograph for A. pennata based on its pharmacognostical features
As per the results obtained from preliminary phytochemical screening and thin layer chromatography (TLC), total phenolic and flavonoid content of the methanolic leaves extract were quantified
Summary
Acacia pennata (L.) Willd. (A. pennata) belonging to the family ‘Mimosaceae’ is a thorny shrub generally found in Southwest China, India, Myanmar, Bangladesh, Bhutan, Sri Lanka, and Thailand within the range of 800–1500 m above the sea level.[1]. (A. pennata) belonging to the family ‘Mimosaceae’ is a thorny shrub generally found in Southwest China, India, Myanmar, Bangladesh, Bhutan, Sri Lanka, and Thailand within the range of 800–1500 m above the sea level.[1] A. pennata, known as climbing acacia, is traditionally used for burning urine, bleeding gums, fever, a disorder of the blood, eruption, indigestion, oculopathy, hemorrhoids, bronchitis, asthma, stomach ache, skin burn, wound healing, strengthening of bone, removing fowl’s bone in the throat, cholera, headache, snake bite, body pain, biliousness, treating spasm, dysentery, toothache, and flatulence was successfully investigated at the pre-clinical level for its anti-herpes simplex virus, anti -inflammatory, anti-nociceptive, anti-oxidant, antifungal, anti-cancer, anti-diabetic, anthelmintic, antiAlzheimer, anti-hyperlipidaemic, larvicidal, pupicidal, anti-lice and anti-HIV activity.[2]. The plant is still devoid of qualitative and quantitative parameters like stomatal number, stomatal index, palisade ratio, vein termination. The study was aimed to develop the necessary pharmacognostic parameters and improve the existing herbal monograph for A. pennata based on its pharmacognostical features. Upon confirming the presence of a free radical scavenging class of phytocompounds, the antioxidant activity of the plant was evaluated in-vitro using 2, 2-diphenyl-1picrylhyrazyl and nitric oxide scavenging techniques
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