Shennong kuma an ambaci shi a cikin Lu Yu's Cha Jing, sanannen aiki na farko game da batun shayi.A farkon tabbataccen shaidar ko shan kofi ko sanin tsiron kofi ya bayyana a tsakiyar karni na goma sha biyar, a cikin sufi monasteries na Yemen a kudancin Arabiya.Daga Mocha, kofi ya yadu zuwa Misira da Arewacin Afirka, kuma a karni na 16, ya kai ga sauran Gabas ta Tsakiya, da Farisa.Daga Gabas ta Tsakiya, shan kofi ya yadu zuwa Italiya, sannan zuwa sauran Turai, kuma tsire-tsire na kofi da 'yan Holland suka kai zuwa Gabas ta Gabas da Indiya don amfani da yunwa.Tatuwar tambaya ta bayyana a cikin tsohuwar al'adun Afirka, tana nufin shan shayi a China da yamma.
Shennong