Preparation method of solanum torvum leaf extract, product and application thereof

CN122123941APending Publication Date: 2026-06-02NUOWEITAI (KUNMING) BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NUOWEITAI (KUNMING) BIOTECHNOLOGY CO LTD
Filing Date
2026-04-21
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing technologies for extracting tree tomato leaves are crude and inefficient, with unstable active ingredients that fail to meet industrialization needs. Furthermore, the lack of systematic efficacy evaluation and safety assessment hinders their application in the cosmetics market.

Method used

Tree tomato leaf powder was extracted using a 60% ethanol aqueous solution at 50-70℃. Combined with freeze-drying technology, the extraction process was optimized to enrich polyphenolic and flavonoid active ingredients, resulting in a tree tomato leaf extract with a total polyphenol content greater than 125 mg GAE/g and a total flavonoid content greater than 65 mg RE/g.

Benefits of technology

It achieves stable and reliable extraction of active ingredients, providing whitening, moisturizing, anti-aging and anti-inflammatory effects in cosmetics, and ensures its safety through systematic toxicological evaluation, making it suitable for cosmetics and pharmaceuticals.

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Abstract

This invention discloses a method for preparing tree tomato leaf extract, its products, and applications, belonging to the field of natural product extraction and application. The method involves taking tree tomato leaf powder, using a 60% ethanol aqueous solution as the extraction solvent, extracting at a material-to-liquid ratio of 1:30 g / mL and a temperature of 60°C for 45 min, repeating the extraction twice, combining the two filtrates, concentrating, and drying to obtain the tree tomato leaf extract. This extract is highly enriched with polyphenols, flavonoids, and other active ingredients, exhibiting multiple effects such as antioxidant, anti-inflammatory, tyrosinase inhibition, and promotion of hyaluronic acid synthesis. It has also been confirmed that it has no significant cytotoxicity, phototoxicity, or skin sensitization. Cosmetic compositions containing this extract can effectively improve skin hydration, barrier function, redness, and dullness, and are suitable for preparing multifunctional pharmaceuticals or cosmetics with anti-inflammatory, whitening, moisturizing, and anti-aging properties, providing strong support for the high-value utilization and development of tree tomato leaf resources.
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