Content and distribution of phytanic acid diastereomers in organic milk as affected by feed composition

Brita Ngum Che; Troels Kristensen; Caroline Nebel; Trine Kastrup Dalsgaard; Lars I. Hellgren; Jette F Young; Mette Krogh Larsen

doi:10.1021/jf304079r

Content and distribution of phytanic acid diastereomers in organic milk as affected by feed composition

Brita Ngum Che, Troels Kristensen, Caroline Nebel, Trine Kastrup Dalsgaard, Lars I. Hellgren, Jette F Young, Mette Krogh Larsen

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Abstract

Phytanic acid (PA) is a bioactive compound found in milk that is derived from the phytol chain of chlorophyll, and the content of PA in milk fat depends on the availability of phytol from feed. In this study, the content of PA diastereomers
was analyzed in milk sampled from five organic herds twice during the grazing season (May and September). The total content of PA was higher in September compared to May, but was not affected by breed (Danish Holstein or Danish Jersey). Total PA could not be directly related to intake of green feed items. The distribution between diastereomers was closely related to the amount of grazed clovers, where a higher intake resulted in a higher share of the RRR isomer.

Original language	English
Journal	Journal of Agricultural and Food Chemistry
Volume	61
Issue	1
Pages (from-to)	225-230
Number of pages	6
ISSN	0021-8561
DOIs	https://doi.org/10.1021/jf304079r
Publication status	Published - Jan 2013

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10.1021/jf304079r

Cite this

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title = "Content and distribution of phytanic acid diastereomers in organic milk as affected by feed composition",

abstract = "Phytanic acid (PA) is a bioactive compound found in milk that is derived from the phytol chain of chlorophyll, and the content of PA in milk fat depends on the availability of phytol from feed. In this study, the content of PA diastereomerswas analyzed in milk sampled from five organic herds twice during the grazing season (May and September). The total content of PA was higher in September compared to May, but was not affected by breed (Danish Holstein or Danish Jersey). Total PA could not be directly related to intake of green feed items. The distribution between diastereomers was closely related to the amount of grazed clovers, where a higher intake resulted in a higher share of the RRR isomer.",

keywords = "Organic milk, phytanic acid diastereomers, Pasture, clover, Silage",

author = "Che, {Brita Ngum} and Troels Kristensen and Caroline Nebel and Dalsgaard, {Trine Kastrup} and Hellgren, {Lars I.} and Young, {Jette F} and Larsen, {Mette Krogh}",

year = "2013",

month = jan,

doi = "10.1021/jf304079r",

language = "English",

volume = "61",

pages = "225--230",

journal = "Journal of Agricultural and Food Chemistry",

issn = "0021-8561",

publisher = "American Chemical Society",

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Content and distribution of phytanic acid diastereomers in organic milk as affected by feed composition. / Che, Brita Ngum; Kristensen, Troels ; Nebel, Caroline et al.
In: Journal of Agricultural and Food Chemistry, Vol. 61, No. 1, 01.2013, p. 225-230.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

TY - JOUR

T1 - Content and distribution of phytanic acid diastereomers in organic milk as affected by feed composition

AU - Che, Brita Ngum

AU - Kristensen, Troels

AU - Nebel, Caroline

AU - Dalsgaard, Trine Kastrup

AU - Hellgren, Lars I.

AU - Young, Jette F

AU - Larsen, Mette Krogh

PY - 2013/1

Y1 - 2013/1

N2 - Phytanic acid (PA) is a bioactive compound found in milk that is derived from the phytol chain of chlorophyll, and the content of PA in milk fat depends on the availability of phytol from feed. In this study, the content of PA diastereomerswas analyzed in milk sampled from five organic herds twice during the grazing season (May and September). The total content of PA was higher in September compared to May, but was not affected by breed (Danish Holstein or Danish Jersey). Total PA could not be directly related to intake of green feed items. The distribution between diastereomers was closely related to the amount of grazed clovers, where a higher intake resulted in a higher share of the RRR isomer.

AB - Phytanic acid (PA) is a bioactive compound found in milk that is derived from the phytol chain of chlorophyll, and the content of PA in milk fat depends on the availability of phytol from feed. In this study, the content of PA diastereomerswas analyzed in milk sampled from five organic herds twice during the grazing season (May and September). The total content of PA was higher in September compared to May, but was not affected by breed (Danish Holstein or Danish Jersey). Total PA could not be directly related to intake of green feed items. The distribution between diastereomers was closely related to the amount of grazed clovers, where a higher intake resulted in a higher share of the RRR isomer.

KW - Organic milk

KW - phytanic acid diastereomers

KW - Pasture

KW - clover

KW - Silage

U2 - 10.1021/jf304079r

DO - 10.1021/jf304079r

M3 - Journal article

C2 - 23210769

SN - 0021-8561

VL - 61

SP - 225

EP - 230

JO - Journal of Agricultural and Food Chemistry

JF - Journal of Agricultural and Food Chemistry

IS - 1

ER -