alpha-Ionone
alpha-Ionone could as attractants for the monitoring and control of these agricultural pests, it can effectively attract rose chafers, Macrodactylus subspinosus (F.).
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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United States Patent 5202124
Attractants for the rose chafer, Macrodactylus subspinosus (F.), containing α-ionone.[Reference:
WebLink]
METHODS AND RESULTS:
Compositions of α-ionone were found to effectively attract rose chafers, Macrodactylus subspinosus (F.). The
alpha-Ionone may be used alone or in combination with one or more low-molecular-weight organic compounds including: (1) an organic acid component selected from the group of valeric acid, hexanoic acid, and mixtures thereof, (2) an ester component comprising octyl butyrate, and/or (3) an alcohol component comprising one or more higher alcohols.
CONCLUSIONS:
By attracting the beetles to field traps, the attractants are useful for the monitoring and control of these agricultural pests.
Journal of Agricultural & Food Chemistry, 2005, 53(2):393-7.
Identification and aroma impact of norisoprenoids in orange juice.[Pubmed:
15656678]
METHODS AND RESULTS:
Four norisoprenoids, alpha-Ionone, beta-ionone, beta-cyclocitral, and beta-damascenone, along with their putative carotenoid precursors, were identified in Valencia orange juice using time-intensity GC-O, GC-MS, and photodiode array HPLC. alpha-Ionone and beta-cyclocitral are reported in orange juice for the first time. GC-O aroma peaks were categorized into seven groups with similar sensory qualities: citrus/minty, metallic/mushroom/geranium, roasted/cooked/meaty/spice, fatty/soapy/green, sulfury/solventy/medicine, floral, and sweet fruity. The four norisoprenoids contributed approximately 8% of the total aroma intensity and 78% of the total floral aroma category.
CONCLUSIONS:
The putative carotenoid norisoprenoid precursors, alpha- and beta-carotene, alpha- and beta-cryptoxanthin, and neoxanthin, were identified in the same orange juice using photodiode array HPLC retention times and spectral characteristics.
