Principal component loadings plot, first component set against the second component, for the grouping of Saudi honey according to their botanical origin. (*) Qatada (Acacia hamulosa), (▲) Dhuhyana (Acacia asak), (◊) Sumra (Acacia tortilis), (Δ) multiflora of herbs, (■) Sider (Ziziphus spina-christi), (+) Keena (Eucalyptus spp.). (Ο) Dhurum (Lavandula dentata), (♦) Multiflora with majra (Hypoestes forskaolii).