the invention offers an effective way to obtain high quality tomato fractions with intense flavor), and the method includes the steps: (a) ensure the tomato serum； (b) separation of the tomato serum into two or more portions, including food, u043e u0431 u0435 u0434 u043d u0451 u043d u043d u0443 u044e u043b u0438 u043a u043e u043f u0438 u043d u043e u043c and fries.rich u043b u0438 u043a u043e u043f u0438 u043d u043e u043c； (c) that u043e u0431 u0435 u0434 u043d u0451 u043d u043d u043e u0439 u043b u0438 u043a u043e u043f u0438 u043d u043e u043c portions to at least 10 u00b0 u0432 u0445； (d) the partitioning method u043e u0431 u0435 u0434 u043d concentrated chromatography u0451 u043d u043d u043e u0439 u043b u0438 u043a u043e u043f u0438 u043d u043e u043c portions into two or more factions, including the crude ( u043d u0435 u043e u0447 u0438 u0449 u0435 u043d u043d u0443 u044e) faction in the intense taste of umami, a mass ratio of u0433 u043b u0443 u0442 u0430 u043c u0430 u0442: u043c u043e u043d u043e u0441 u0430 u0445 u0430 u0440 u0438 u0434, equal x,and u043c u043e u043d u043e u0441 u0430 u0445 u0430 u0440 u0438 u0434 u043d u0443 u044e faction with the mass ratio u0433 u043b u0443 u0442 u0430 u043c u0430 u0442: u043c u043e u043d u043e u0441 u0430 u0445 u0430 u0440 u0438 u0434 equal to y, and the ratio of x: y is greater than 20； (e) optional concentration of crude coat with a strong taste of umami； (f) the partitioning method of chromatography of crude fractions with a strong taste of umami into two or more factions, including the u043e u0447 u0438 u0449 u0435 u043d u043d other faction with intense flavor umami.with the mass ratio of u0433 u043b u0443 u0442 u0430 u043c u0430 u0442: citrate equal to k, and u0446 u0438 u0442 u0440 u0430 u0442 u043d u0443 u044e faction with the mass ratio of u0433 u043b u0443 u0442 u0430 u043c u0430 u0442: citrate equal to l, and the ratio of k: l exceeds 10.the invention also relates to isolate of the good, which u04
