Belitz, H.-D.; Grosch, Werner; Schieberle, Peter (15 Jan 2009). Food Chemistry (بالإنجليزية). Springer Science & Business Media. p. 863. ISBN:9783540699330. Archived from the original on 2021-02-23.
Belitz, H.-D.; Grosch, Werner; Schieberle, Peter (15 Jan 2009). Food Chemistry (بالإنجليزية). Springer Science & Business Media. p. 863. ISBN:9783540699330. Archived from the original on 2021-02-23.