אסיף מאגר המחקר החקלאי

Aroma formation in muskmelons: Volatile acetates in ripening fruits

Year:

2000

Source of publication :

Authors :

Volume :

510

Co-Authors:

Shalit, M., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Katzir, N., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Larkov, O., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Burger, Y., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Shalekhet, F., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Lastochkin, E., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Ravid, U., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Amar, O., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Edelstein, M., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel
Lewinsohn, E., Department of Vegetable Crops, Agricultural Research Organization (ARO), Newe ya'Ar Research Center, P. O. Box 1021, Ramat Yishay 30-095, Israel

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Abstract:

The aroma of melons is an important factor in their overall quality and consumer acceptability. Benzyl acetate was found to be the most abundant volatile molecule in the headspace of'Arava' muskmelon and apparently contributes, together with other volatiles, to the of aroma this cultivar. In order to study the biochemistry of the formation of benzyl acetate, we adapted a sensitive radio-assay to determine the levels of the activity of benzyl alcohol acetyl transferase (BEAT), an enzyme that catalyzes the acetylation of benzyl acetate from benzyl alcohol and acetyl-CoA. BEAT activity was observed to be low in unripe melons, but it steadily increased during ripening. The levels of BEAT activity were associated with the levels of total soluble solids. This assay might be useful toward increased understanding of the biology of aroma formation in melons.

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