Botanical Information Eriobotrya japonica (Thunb.) Lindl. (procuring samples)
Synonyms | Crataegus bibas |
Mespilus japonica | |
Photinia japonica | |
Common name (en) | Loquat |
Common name (af) | Lukwart |
Common name (de) | Japanische Wollmispel |
Common name (es) | Níspero japonés |
Common name (fr) | Néflier du Japon |
Common name (it) | Nespolo del Giappone |
Common name (ja) | ビワ |
Common name (ko) | 비파엽 |
Common name (pt) | Nespereira |
Common name (ru) | Мушмула японская |
Common name (th) | โลควอท |
Common name (vi) | Nhót tây |
Common name (zh) | 枇杷 |
Sample preparation | To 0.3 g of pulverized Loquat Leaf add 10 mL of methanol, warm on a water bath for 5 minutes with occasional shaking, cool, filter, and use the filtrate as the sample solution |
Mobile phase | Water, acetonitrile 3:2 (v/v) |
Derivatization | Spray dilute sulfuric acid (add 5.7 mL of sulfuric acid to 10 mL of water, cool, and dilute with water to make 100 mL (10%)) on the plate, and heat at 105°C for 10 minutes |
Sample preparation | Weigh 0.3 g of pulverized Eriobotrya Leaf, add 10 mL of methanol, heat for 5 minutes in a water-bath, cool, filter and use the filtrate as the test solution |
Mobile phase | Hexane, ethyl acetate 1:1 (v/v) |
Derivatization | Spray with sulfuric acid (1 volume of sulfuric acid to 2 volumes of water, and while warming on a water-bath add drop wise potassium permanganate, until a pale red color of the solution remains) and heat at 105°C for 10 min |
Sample preparation | Add 1.0 g of powdered sample to 10 mL of methanol, ultrasonicate for 30 min, filter and use the filtrate |
Mobile phase | Toluene, ethyl acetate 1:1 (v/v) |
Derivatization | Spray with 10% sulfuric acid in ethanol, heat at 105°C until the spots appear |