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  • Title: Comparative quantitative analysis of headspace volatiles and their association with BADH2 marker in non-basmati scented, basmati and non-scented rice (Oryza sativa L.) cultivars of India.
    Author: Mathure SV, Jawali N, Thengane RJ, Nadaf AB.
    Journal: Food Chem; 2014 Jan 01; 142():383-91. PubMed ID: 24001856.
    Abstract:
    For the first time, 91 Indian rice (Oryza sativa L.) cultivars, belonging to non-basmati scented (77), basmati (9) and non-scented (5) categories, were quantitatively analysed for 23 headspace volatiles. In addition, the BADH2 marker related to 2-acetyl-1-pyrroline (2AP) synthesis is validated among the cultivars representing these categories. The non-basmati scented cultivars (15) excelled in 2-acetyl-1-pyrroline (2AP) content compared to basmati cultivars. The major aroma volatile (2AP) correlated positively with 1-tetradecene and indole, and negatively with benzyl alcohol. On the basis of nonanal, octanal, decanal and 1-octen-3-ol contents, basmati cultivars were different from non-scented cultivars. Benzyl alcohol, 2-phenylethanol, 2-amino acetophenone, indole, 1-hexanol and nonanoic acid exhibited significant variation among rice categories under study. This study reports 16 non-basmati scented cultivars with variations in the BADH2 locus rendering a marker based on 8bp deletion in BADH2 as unsuitable for MAS in rice cultivars under study.
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