Study of 'Redhaven' peach and its white-fleshed mutant suggests a key role of CCD4 carotenoid dioxygenase in carotenoid and norisoprenoid volatile metabolism

Brandi, Federica; Bar, Einat; Mourgues, Fabienne; Horváth, Györgyi; Turcsi, Erika; Giuliano, Giovanni; Liverani, Alessandro; Tartarini, Stefano; Lewinsohn, Efraim; Rosati, Carlo

doi:10.1186/1471-2229-11-24

Table 1 Carotenoid composition of RH and RHB fruits during ripening.

From: Study of 'Redhaven' peach and its white-fleshed mutant suggests a key role of CCD4 carotenoid dioxygenase in carotenoid and norisoprenoid volatile metabolism

Stage	Compound	Amount
		RH	RHB
S1	Lutein isomers	830	457
	β-carotene	178	310
	Neochrome epimers	141	n.d.
	(3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.)	76	n.d.
	β-cryptoxanthin	64	68
	Violaxanthin	56	n.d.
	Zeaxanthin	n.d.	50
S2	Lutein isomers	577	485
	Neochrome epimers	114	n.d.
	β-carotene	109	313
	(3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.)	54	n.d.
	Violaxanthin	23	n.d.
	β-cryptoxanthin	21	48
	Zeaxanthin	n.d.	54
	Zeinoxanthin (tent.)	n.d.	27
	β-cryptoflavin	n.d.	25
S3	Lutein isomers	1394	690
	Neochrome epimers	382	n.d.
	β-carotene	292	330
	Violaxanthin isomers	253	n.d.
	Luteoxanthin epimers	137	n.d.
	(3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.)	77	n.d.
	Auroxanthin	49	n.d.
	Zeaxanthin	n.d.	77
	β-cryptoflavin	n.d.	34
	Zeinoxanthin (tent.)	n.d.	31
Br	Luteoxanthin epimers	2506	n.d.
	(9Z)-lutein-5,6-epoxide isomers	942	n.d.
	β-carotene	912	219
	Violaxanthin isomers	741	n.d.
	Lutein isomers	693	248
	Zeaxanthin isomers	523	27
	Neochrome epimers	437	n.d.
	β-cryptoxanthin	208	23
	Mutatoxanthin epimers	148	n.d.
	Latochrome (tent.)	141	n.d.
	(all-E)-neoxanthin	89	n.d.
	Unidentified compound	67	n.d.
	(Z)-auroxanthin	7	n.d.
S4	Antheraxanthin isomers	2391	n.d.
	Luteoxanthin isomers	2304	n.d.
	Zeaxanthin isomers	1539	427
	Mutatoxanthin epimers	972	95
	β-cryptoxanthin	742	31
	β-carotene	583	n.d.
	(all-E)-violaxanthin	491	n.d.
	Neochrome epimers	459	n.d.
	Phytofluene	389	20
	Lutein isomers	480	150
	Neoxanthin isomers	275	n.d.
	Latochrome epimers (tent.)	183	n.d.
	Unidentified compound	76	n.d.
	(3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.)	55	8
	ζ-carotene	n.d.	20

Average values are listed in descending order with respect to RH composition and expressed in ng/g fresh weight. PDA λ: 450 nm. tent.: tentative identification. n.d.: not detectable.

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ISSN: 1471-2229

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