NOVEL GAMMA-IRRADIATED PRODUCT

• Main Authors: ABE SATORU, TAKEMURA MIKA, KINOSHITA YASUKO, KOIDE MASAHIRO, SATO YOSHITAKA, OKI TOSHIYA
• Format: Patent
• Language: English; Japanese
• Published: 07.10.2021
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS; SPIRITS; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; VINEGAR; WINE

To provide a new material having a hyaluronic acid production promoting action.SOLUTION: The present disclosure provides gamma-irradiated polysaccharides derived from Parachlorella unicellular green algae. The gamma-irradiation is preferably 1-1,000 kGy irradiation. The gamma-irradiated polysaccharides preferably have a molecular weight distribution with a weight average molecular weight of less than 10,000, and the proportion of the distribution area is preferably 50% or more.SELECTED DRAWING: None 【課題】 本技術は、ヒアルロン酸産生促進作用を有する新たな素材を提供すること。【解決手段】 パラクロレラ属単細胞緑藻類由来多糖体のガンマ線照射処理物。前記ガンマ線照射が、１〜１，０００ｋＧｙ照射であることが好適である。前記多糖体のガンマ線照射処理物が、重量平均分子量１０，０００未満の分子量分布を有し、当該分布領域の割合が５０％以上であることが好適である。【選択図】なし