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Quality evaluation of cut flowers by means of objective colour measurement


, : Quality evaluation of cut flowers by means of objective colour measurement. Acta Horticulturae (41): 227-248

This method comprises the measurement of the coloured surface for several wavelengths of the visible spectrum and the calculation of the CIE (International Commission for Illumination) specifications and the Munsell renotations (see also HcA 41, 5406).

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Related references

Boesman G.; Flamee M., 1975: Quality evaluation of cut flowers by means of objective color measurement. Acta Horticulturae (Wageningen) 41: 227-248

Joubert, Elizabeth, 1995: Tristimulus colour measurement of rooibos tea extracts as an objective quality parameter. Transmission colour measurement of rooibos tea extracts, differing in solid concentration and turbidity, was investigated using cells with a path length of 5, 20 and 30 mm. Inversion of chromaticity parameters occurred with colour measurement of r...

Halevy A.H., 1989: Objective and subjective parameters of quality evaluation of cut flowers. Acta Horticulturae (Wageningen) (261): 227-232

Petersen, B.; Kunneken, J.; Ruhrmann, A., 1985: Objective measurement of urine colour as a means of assessing the concentration of sow's urine. The colour of 559 samples of sow's urine, measured photometrically, was adequately represented by the coefficient of absorption at a wavelength of 430 millimicrons. This 'colour value' was correlated to specific gravity (r = 0.79) a...

Celotti, E.; Prati, G.C. de, 2000: The phenolic quality of red grapes: objective evaluation with colour measurements. The possibility of real time measurement (before pressing) of the phenolic quality of red grapes was studied in order to accurately define the true quality of the raw material destined for the production of wine or juice. The measurement procedure...

Celotti, E.; Prati, G.C. de, 2005: The phenolic quality of red grapes at delivery: objective evaluation with colour measurements. The current research evaluated the possibility of the real time (before crushing) measurement of the phenolic quality index of red grape cultivars (Cabernet, Merlot, Raboso, Nebbiolo, Barbera, Lambrusco, Sangiovese, Tempranillo, Aglianico and Shir...

Rodriguez Lopez, C., 1985: Spectrophotometric determination of the colour of honeys. An objective method for a classification of different qualities based on the measurement of colour. Spectrophometric analyses were made of the colour of honeys from 8 botanical sources: Rosmarinus officinalis; Citrus sp.; Lavandula stoechas and L. pedunculata; Helianthus annuus; Eucalyptus sp.; L. angustifolia, L. latifolia and L. spica; honeyde...

Funck, E.; V.R.thlef, H., 1940: The objective determination and description of the colour of rose flowers. An extract of rose petals is measured photometrically and the wavelengths obtained with different filters are recorded graphically. The method offers the dual advantage of making an exact colour description possible without reference to a colour c...

Herold, B.R.ttig, H.S.ering, G., 1978: Objective measurement procedures for the determination of the requirements of potatoes and fruits and evaluation of means of mechanization of harvesting and processing. Internationale Zeitschrift der Landwirtschaft: 288-291

Auger, J.; Darabi, P.; Jouannet, P., 1999: Objective measurement of sperm-mucus interaction by means of the sperm quality analyser Preliminary data. Human Reproduction (Oxford) 14(ABSTR BOOK 1): 149-150, June