Loquat Leaf Extract is the active substance of the dry leaf extract of the Rosaceae plant loquat Eriobotryajaponica (Thunb.) Lindl. The active ingredients are volatile oil, triterpenoids, sesquiterpenes, flavonoids, polyphenols, organic acids It has pharmacological activities such as anti-inflammatory, antitussive, hypoglycemic, and antiviral.
Loquat leaves are the dry leaves of Rosaceae plant loquat (Eriobotryajaponica (Thunb.) Lindl), also known as worry-free fan, loquat leaf, bay leaf, reed orange leaf, etc. It is native to the Yangtze River Basin of my country and has a cultivation history of more than 2,000 years. , has high fresh food, processing, medicinal and ornamental value, and is valued by many countries in the world. It is widely distributed in my country. At present, it is known that there are 14 species and 1 subspecies of loquat originating in my country. Among them, only one species of loquat is artificially cultivated. The rest are scattered on the mountains and are mostly in the wild state. It is a traditional Chinese herbal medicine, with slightly cold nature, bitter and pungent taste, and has the effects of clearing the lungs and relieving cough, reducing inferiority and relieving vomiting. Clinically used for cough due to lung heat, dyspnea and dyspnea, nausea due to stomach heat, vexation and thirst.
1. Loquat leaf extract inhibits collagenase, elastase, metal oxidase and scavenging oxygen free radicals, which can be used as an important additive in skin anti-aging cosmetics;
2. The loquat leaf extract shows an inhibitory effect on phosphodiesterase, which can accelerate the hydrolysis of fat, and the amount of hydrolyzed glycerol shows that the loquat leaf extract is a good slimming cosmetic product;
3. The inhibitory effect of loquat leaf extract on uricase and the inhibitory effect on methioninase (the former is to decompose uric acid to ammonia, the latter is to decompose methionine to hydrogen sulfide, both of which are prominent components of human odor), indicating that it is used in antiperspirant cosmetics. Use loquat leaf extract in oral hygiene products to reduce odor;
4. Loquat leaf extract strongly inhibits hyaluronidase and is expected to become a cosmetic additive for dry skin prevention and treatment;
5. In addition, in the cultivation of epidermal cells, the loquat leaf extract can promote the production of brain amides, which helps to improve the composition of skin sebum, and has the effect of reducing oil and softening the skin.
Product Name: | loquat leaf extract | Part Used: | Leaf |
Latin Name: | Eriobotrya japonica Thunb. | Extract Solvent: | Water&Ethanol |
ITERMS | SPECIFICATION | METHOD |
Ratio | From 4:1 to 10:1 | TLC |
Appearance | Brown Powder | Visual |
Odor & Taste | Characteristic, light | Organoleptic test |
Loss on drying (5g) | NMT 5% | USP34-NF29<731> |
Ash (2g) | NMT 5% | USP34-NF29<281> |
Total heavy metals | NMT 10.0ppm | USP34-NF29<231> |
Arsenic (As) | NMT 2.0ppm | ICP-MS |
Cadmium(Cd) | NMT 1.0ppm | ICP-MS |
Lead (Pb) | NMT 1.0ppm | ICP-MS |
Mercury (Hg) | NMT 0.3ppm | ICP-MS |
Solvent residues | USP & EP | USP34-NF29<467> |
Pesticides Residues | ||
666 | NMT 0.2ppm | GB/T5009.19-1996 |
DDT | NMT 0.2ppm | GB/T5009.19-1996 |
Total heavy metals | NMT 10.0ppm | USP34-NF29<231> |
Arsenic (As) | NMT 2.0ppm | ICP-MS |
Cadmium(Cd) | NMT 1.0ppm | ICP-MS |
Lead (Pb) | NMT 1.0ppm | ICP-MS |
Mercury (Hg) | NMT 0.3ppm | ICP-MS |
Microbiological | ||
Total Plate Count | 1000cfu/g Max. | GB 4789.2 |
Yeast & Mould | 100cfu/g Max | GB 4789.15 |
E.Coli | Negative | GB 4789.3 |
Staphylococcus | Negative | GB 29921 |