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两广冬烤烟的质量大体是:在外观上,冬烟颜色淡,色度浅,而且往往不够均匀纯正(即在同一张叶面上往往存在色度深浅不同的颜色),油分不够充足,光泽尚欠鲜明,身份稍为偏薄。经测定,调制后的冬烟叶片只含有黄、红、兰三色;而金黄、正黄的叶片只含黄、红二色,黄色读数大于红色读数。但无论金黄或正黄,色度的深浅主要与红色的读数有关:读数大则色度深,相反则浅。例如在正黄色叶片中,黄色的读数占81%,红色的读数只占19%;而在金黄色叶片中,黄色的读数占75.75%,红色的读数则占24.25%
The quality of Guangdong, Guangdong and Guangdong flue-cured tobacco in general is: in appearance, winter tobacco pale color, light color, and often not uniform and pure (that is often the same leaf surface color depth different colors), oil enough, gloss Less clear, slightly slim identity. The tested winter tobacco leaves contained only yellow, red and blue tints, while the golden and yellow leaves contained only yellow and red dichroic colors, with the yellow readings being greater than the red readings. However, whether golden or yellow, the color depth is mainly related to the red reading: readings, then the color depth, on the contrary is shallow. For example, in the yellow leaves, yellow readings accounted for 81%, red readings accounted for only 19%; and golden leaves, yellow readings accounted for 75.75%, red readings accounted for 24.25%