Full TGIF Record # 5086
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Author(s):Aii, T.; Yonaga, M.; Tanaka, H.
Author Affiliation:National Inst. of Anim. Industry, Kukizaki, Ibaraki 305, Japan
Title:Changes in volatile compounds from fresh Italian ryegrass with growing
Source:Journal of Japanese Society of Grassland Science. Vol. 27, No. 3, 1981, p. 297-302.
Keywords:TIC Keywords: Lolium multiflorum; Chemical composition; Gas chromatography
Abstract/Contents:Volatiles from Italian ryegrass harvested at vegetative, flowering, milk ripe and mature stages were investigated using gas chromatography and mass spectrometry. The level in mu g of compounds in a headspace of 100 l above 150 g of fresh material decreased as growth advanced for 1-penten-3-ol (range 4.1-1.4), cis-3-hexenyl acetate (200-0.3) and cis-3-hexenyl-ol (50-1.3) but increased for iso-amyl alcohol (0-2.7), 3-octanone (0.1-6.6) and 1-octen-3-ol (1.9-3.2). It was assumed that cis-3-hexenyl acetate made a substantial contribution to flavour. Compounds which increased to the milk-ripe stage then decreased were ethyl acetate (range 5.6-10.2-0.4) and ethanol (0.3-1.9-1). Compounds found at the vegetative and flowering stages only were tran-2-hexen-1-ol (0.9-1.2) and trans-2-hexenal (0.6-0.9), while 3-octanol (1.5) appeared only at maturity.
Language:English
References:6
Note:Summary appears in Japanese
Geographic Terms:Japan
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Aii, T., M. Yonaga, and H. Tanaka. 1981. Changes in volatile compounds from fresh Italian ryegrass with growing. Journal of Japanese Society of Grassland Science. 27(3):p. 297-302.
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