7 results for “Tyrosinase”

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Research ArticleOpen accessEvery word in the titleInhibitory Effects of Artemisia afra Extracts on the Bio-Activity of Banana TyrosinaseTsholofelo Motshologane, Jacobus Pieter Hough Van WykMelasma, formerly known as chloasma, is an acquired pigmentary condition, occurring most commonly on the face of humans. This disorder, which is more prevalent in females and darker skin types, is predominantly attributed to Ultraviolet (UV) exposure and hormonal influences. This condition is caused by an over-production of melanin, a pigment that gives color to the skin, hair, and eyes … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 18 Jan 2025 · 4,618 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleOptimization of Ultrasonic-Assisted Total Flavonoids Extraction from Flower of Albizia Julibrissin Durazz. by Response Surface Methodology for Characterization of Chemical Profile and Evaluation of Antioxidant and Tyrosinase Inhibitory ActivitiesYijie Cheng, Yuwen Zhang, Hanzhang Sun et al.To investigate the flavonoids in flower of Albizia julibrissin (‘He Huan Hua’ in Chinese), the ultrasonic-assisted extraction of total flavonoids from ‘He Huan Hua’ was optimized by response surface methodology and the chemical profile was characterized by HPLC- QTOF-MS/MS. What’s more, the antioxidant and tyrosinase inhibitory activities of ‘He Huan Hua’ were also evaluated in this study. The extraction time, … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 1 · 14 Mar 2022 · 6,733 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleStabilization of Tyrosinase-Bovine Serum Albumin Crystals by GlutaraldehydeD. Norouzian, A. Akbarzadeh, M.H. Abnosi et al.Tyrosinase and bovine serum albumin were co-crystallized by saturated ammonium sulfate solution(65%) and 20% polyethylene glycol ( PEG) 6000 and n-propanol as co-solvents .The obtained crystals were cross linked by glutaraldehyde solution(1% v/v).Polyethylene glycol 6000 was found to be better co-solvent than n-propanol. The developed biocatalyst could be recycled 6 times without further loss of tyrosinase activity. No loss of … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 3 · 30 Sep 2007 · 7,194 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsPotent Antielastase and Antityrosinase Activities of Astilbe chinensisSeung-Hun Lee, Sandesh Sancheti, Shruti Sancheti, Sung-Yum SeoProblem statement: In the current scenario, photo-aging is a major problem causing skin wrinkling and hyperpigmentation. Therefore, elastase and tyrosinase inhibitors play an important role in the treatment of skin aging and thus, gaining a special attention in cosmetic industries. Approach: In the screening of Korean medicinal plants to search the potent elastase and tyrosinase inhibitors, the extract of the … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 4 · 31 Dec 2009 · 7,777 accessesView PDF Cite

Research ArticleOpen accessIn the abstractHibiscus Flower Extract and Niacinamide Show Enhanced Whitening Effects in Mouse Melanoma Cells (B16F10)Jae Eun Choi, Tae Su Jang, Jung Min Park et al.Melanoma, a type of cancer that most often occurs on skin exposed to UV rays, is becoming increasingly common. Recent research has focused actively on using natural products. The goal of this study was to compare the melanin-inhibitory effects of Hibiscus (Hibiscus sabdariffa L.) flower Extract (HE) and Niacinamide (NA), a functional ingredient with whitening effects, on melanoma cells. The … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 1 · 9 Feb 2023 · 7,226 accessesView PDF Cite

Review ArticleOpen accessIn the abstractPreparation and Functional Evaluation of Compound Bletilla striata EssenceMengnan Zhu, Jiameng Shen, Hongju Zhang et al.The purpose of this study was to prepare a multi-functional skin care product and apply more plant resources to the skin care industry. The crude polysaccharides from Bletilla striata, Panax ginseng, and Tremella fuciformis were extracted under different conditions based on the characteristics of the plants. The formula ratio of the compound Bletilla striata essence was optimized through an orthogonal … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 1 · 8 Jan 2023 · 5,904 accessesView PDF Cite

Review ArticleOpen accessIn the abstractStudy of Different Types of Enzymes for Biological, Agro-Food Processing and Industrial Wastewater Treatment: An OverviewABM Sharif Hossain, Musamma M UddinThe objective of the review study was carried out from different research data to find out the innovative latest information on the waste water treatment in agro, industrial and municipal areas. From the review study, it has been noted that cellulase, peroxidage, lignage, tyrosinase, pactinase and amylase have been widely used for waste water treatment. Besides, microbial enzymes such as … …American Journal of Environmental Sciences, Vol. 17, Issue 4 · 7 Sep 2021 · 6,692 accessesView PDF Cite