Specifies certain characteristics of the oil of clove stems [Syzygium aromaticum (L.) Merry. et. Perry.syn. Eugenia caryophyllus (Sprengel) Bullock et S. Harrison], in order to facilitate assessment of its quality..
Specifies certain characteristics of the oil of grapefruit (Citrus x paradisi macfad.), obtained by expression, in order to facilitate essessment of its quality..
Specifies certain
characteristics of the oil of gum turpentine, Chinese
(mainly from Pinus massoniana Lamb.), in order to
facilitate assessment of its quality...