Fatty Acid Content and Composition of the Morphological Fractions of Cistus Ladanifer L. and Its Seasonal Variation

被引：5

作者：

Jeronimo, Eliana ^{[1
,2
]}

Cachucho, Liliana ^{[1
]}

Soldado, David ^{[1
]}

Guerreiro, Olinda ^{[1
,2
]}

Bessa, Rui J. B. ^{[3
]}

Alves, Susana P. ^{[3
]}

机构：

[1] Inst Politecn Beja IPBeja, Ctr Biotecnol Agr & Agroalimentar Alentejo CEBAL, P-7801908 Beja, Portugal

[2] CEBAL, MED Mediterranean Inst Agr Environm & Dev, P-7801908 Beja, Portugal

[3] Univ Lisbon, Fac Med Vet, CIISA Ctr Invest Interdisciplinar Sanidade Anim, Ave Univ Tecn, P-1300477 Lisbon, Portugal

来源：

MOLECULES | 2020年 / 25卷 / 07期

关键词：

Cistus ladanifer L; plant morphological fractions; seasonal variation; fatty acids; branched-chain fatty acids; AQUEOUS EXTRACT; MEAT QUALITY; ANTIOXIDANT; CISTACEAE; LIPIDS; BIOSYNTHESIS; TEMPERATURE; DISPERSAL; LEAVES;

D O I：

10.3390/molecules25071550

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Cistus ladanifer L. is a shrub from Cistaceae family, widespread in Mediterranean countries. Fatty acids (FA) have multiple roles in plants and are involved in adaption mechanisms to environmental conditions. This work evaluated the FA content and composition of each morphological fraction of C. ladanifer (leaves, stems, flower buds, flowers and seed heads) throughout a full year. Cistus ladanifer plants were collected in southern Portugal, during four consecutive seasons (18 plants/season), and the different morphological plant fractions (leaves, stems, flower buds, flowers and seed heads) were separated. Cistus ladanifer morphological fractions showed distinct FA compositions, being possible to discriminate three groups-the leaves that showed to be dominated by saturated FA (main 20:0) and contain branched-chain FA (iso-19:0 and iso-21:0); the stems that are composed mainly by SFA (main 22:0); and the reproductive organs that showed higher contents of polyunsaturated FA (PUFA) and the 16:0 as the main SFA. The FA composition of leaves changed over seasons, with replacement of the PUFA by monounsaturated FA and branched-chain FA during hot seasons. Regarding the other C. ladanifer morphological fractions, the FA composition was more stable over seasons, suggesting that leaves are more prone to adaptations to environmental changes.

引用

页数：16

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