Factors affecting yield and composition of floral extract from Boronia megastigma Nees

TL;DRAbstract

The Tasmanian boronia industry requires detailed information about biological and production factors which affect the yield and quality of floral extract obtained from Boronia megastigma Nees. This study included the sites and routes of biosynthesis and accumulation of particular secondary compounds, phenology of flowering and extract accumulation, genetic and environmental yield-limiting characteristics, conjugates between volatile compounds and sugars, the effect of various post-harvest storage conditions and the process of extraction of product. Cellular differentiation is not a prerequisite for accumulation of volatile compounds; typical floral volatiles are emitted from all floral organs, especially the stigma and anthers. Plastidial droplets and vesicles containing variably osmiophilic material occur within cells surrounding the central cavity of epidermal glands in the petals. The number and size of droplets increase with increasing proximity to the central cavity, and cellular

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