Use of oral hyaluronic acid

• Main Authors: DU JING, WANG BOTAO, ZHANG TIANMENG, ZHAO RUIJIN, WANG FENGLI
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2023
• Subjects: FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention provides application of hyaluronic acid or salt thereof in preparation of oral health care products or medicines for protecting eyes or treating eye diseases. The invention further provides a method for increasing the content of hyaluronic acid or salt thereof in the eyes of a subject. After the hyaluronic acid with the specific molecular weight and the salt of the hyaluronic acid are orally taken, the content of the hyaluronic acid in eyes is remarkably increased, eye health is effectively improved, and eye diseases such as xerophthalmia and chronic keratoconjunctivitis caused by aging are prevented and relieved. 本申请提供透明质酸或其盐在制备保护眼睛或治疗眼部疾病的口服保健品或药物中的用途。本申请还提供一种增加受试者眼部透明质酸或其盐含量的方法。本申请提供的特定分子量的透明质酸及其盐经口服后显著增加眼睛中透明质酸的含量，有效改善眼部健康，预防和缓解由于衰老引起的干眼症和慢性角结膜炎等眼部疾病。