Composition for promoting synthesis of hyaluronic acid comprising Taraxacum herbs extracts and the use thereof
A technology of dandelion extract and hyaluronic acid, applied in pharmaceutical excipient compositions for preventing or improving arthritis, protecting joints, improving skin elasticity, food composition, food composition or pharmaceutical excipient composition, preventing or Cosmetic material composition for improving skin wrinkles, cosmetic material composition for skin moisturizing, can solve problems such as undiscovered research results, achieve the effect of improving skin elasticity, preventing or treating arthritis
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manufacture example 1
[0116] Production example 1. Production of dandelion extract
[0117] The dandelion extract used in the following examples is an ethanol extract purchased from OBMRAP CO., LTD.
Embodiment 1
[0118] Example 1. Cytotoxicity Evaluation of Dandelion Extract
[0119] In order to evaluate the cytotoxicity of the dandelion extract, the cell division of human fibroblast-like synoviocytes (Human Fibroblast-like Synoviocyte, HFLS-OA, Cell Applications) collected from degenerative arthritis patients was measured using CellCountingKit-8 (DojindoLab, USA). Variety.
[0120] First, a uniform number of cells were plated on a 96-well plate (96wellplate) and stabilized, treated with dandelion extract to reach 5ppm and 10ppm, and cultured for another 24 hours. Then, CCK-8 treatment was performed, and the absorbance at 450 nm was measured 2 hours later. The relative cell viability of the dandelion extract-treated cells to the non-treated group (control group) was analyzed as described below, and the results are shown in Table 1 below.
[0121] 【Table 1】
[0122]
[0123] *repeats=3
[0124] *Relative cell viability=(extract treatment group) / (no treatment group)×100
[0125] ...
Embodiment 2
[0126] Example 2. Increased concentration of hyaluronic acid based on dandelion extract in synoviocytes of patients with degenerative arthritis
[0127] Human fibroblast-like synoviocytes from patients with degenerative arthritis were cultured by synoviocyte growth medium (Synoviocyte Growth Medium, Cell Applications), and 2.0×10 3 cells. After culturing for 3 days, 200 μL of synoviocyte growth medium was used for exchange, and different concentrations (5 ppm and 10 ppm) of dandelion extract were added. As a negative control group, it was treated with an equal amount of ethanol, and as a positive control group, it was treated with 1000 ppm of glucosamine hydrochloride (Sigma-aldrich), which is known to promote the production of hyaluronic acid. After culturing for 24 hours, the cell culture solution was recovered, and the concentration of hyaluronic acid was measured with a Hyaluronan ELISA kit (R&D Systems). The results are shown in Table 2.
[0128] 【Table 2】
[0129] ...
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