Research Article

Cinnamic Acid in Frankincense Sap as a Criterion for Determining the Best Mother Plant for Vegetative Propagation of Styrax benzoin (Sumatra Benzoin) in Sumatra, Indonesia

Figure 1

A selected mother tree of Styrax benzoin and raw frankincense sap used for the isolation of cinnamic acid: (a) good quality sap producing mother tree, (b) tapped frankincense sap attached to the bark, (c) crystal super-quality frankincense sap, and (d) raw frankincense powder material used for isolation of cinnamic acid.
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(b)
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