Abstract
BackgroundHalophyte plant (HPs), a salt-resistant flora, has been reported to provide several health benefits, but the knowledge of its cosmeceutical potential is still ambiguous. Here, 70% ethanol extracts of 22 HPs collected from along the coast of South Korea were investigated for their potentials of antioxidant, anti-aging, and whitening properties for use as materials in novel cosmeceuticals.MethodsAntioxidant activities were determined by DPPH (1,1-diphenyl-2-pricrylhydrazyl) free radical and hydrogen peroxide scavenging assays, and skin aging-related enzyme activities (anti-elastase, anti-collagenase, anti-hyaluronidase, and anti-tyrosinase) were evaluated by using the spectrophotometric method.ResultsAmong the 22 HPs, we found that Ischaemum antephoroides f. coreana and Atriplex gmelinii extracts presented the strongest scavenging effects against DPPH free radical and hydrogen peroxide, respectively. Our finding additionally suggested that Salicornia europaea extract might provide a major source of anti-elastase and anti-hyaluronidase; meanwhile, Rosa rugosa extract showed the highest anti-collagenase effect. Furthermore, the highest tyrosinase inhibitory activity was possessed by Spartina anglica extract.ConclusionThese findings may suggest that halophyte plants showing biological activities may be potent inhibitors of tyrosinase, elastase, collagenase, and hyaluronidase and could be useful for application in cosmeceuticals.
Highlights
Skin is the most visible part in the human body which plays an essential role as a barrier protecting an internal organ against physical, chemical, and biological detractors (Kendall and Nicolaou 2013)
All 22 Halophyte plant (HP) extracts were possessed antioxidant activities to a varying degree ranging from 11.39 ± 5.99% to 93.32 ± 0.46% and 3.95 ± 2.65% to 79.28 ± 1.40% of DPPH free radical and hydrogen peroxide assays, respectively
Our present study revealed the anti-aging activity explorations of 70% ethanol extracts of 22 HPs collected along the coast of South Korea
Summary
Skin is the most visible part in the human body which plays an essential role as a barrier protecting an internal organ against physical, chemical, and biological detractors (Kendall and Nicolaou 2013). It has been carried out that an antioxidant provided a great potential to defend ROS and deplete the oxidative stress, a compound with the strong antioxidant activity facilitates the skin protecting against the oxidative damages along with delaying the skin aging process (Chanda et al 2015; Palmer and Kitchin 2010). Collagen is the most abundant protein structure in the human dermis layer providing the tensile strength of the skin; elastin, a fiber network located in the connective tissue, is responsible for the elastic recoil property. The accumulated ROS after skin exposure to photoaging stressors can indirectly activate dermal enzymes such as collagenase and elastase which basically break down and degrade collagen as well as elastin, respectively (Chatatikun and Chiabchalard 2017; Popoola et al 2015; Sahasrabudhe and Deodhar 2010). 70% ethanol extracts of 22 HPs collected from along the coast of South Korea were investigated for their potentials of antioxidant, anti-aging, and whitening properties for use as materials in novel cosmeceuticals
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