Guar danko wani abu ne mai kara kuzari da kauri wanda aka samu daga tsaban shukar guar (Cyamopsis tetragonoloba). Ma'anar ƙamus na guar danko fari ne, foda mara wari, wanda ake narkewa a cikin ruwan zafi ko sanyi, kuma ana amfani da shi a cikin nau'ikan kayan abinci iri-iri, da suka haɗa da kayan gasa, kayan kiwo, miya, riguna, da abubuwan sha, da kuma a ciki. kayayyakin da ba na abinci ba kamar kayan kwalliya, takarda, da masaku. Guar danko an san shi da iya kauri, daidaitawa, da kwaikwaya abinci da sauran kayayyaki, kuma galibi ana amfani da shi azaman madadin dabi'a ga masu kauri da emulsifiers.