Abstract
Triacylglycerols (TAGs) 16:1(n-7)/16:1(n-7)/18:1(n-7) (Po/Po/V) and 16:1(n-7)/16:1(n-7)/18:1(n-9) (Po/Po/O) in pulp/peel oils of various sea buckthorn (Hippophae rhamnoides) subspecies and varieties were separated by reversed-phase high-performance liquid chromatography. The regioisomerism of the TAGs was determined by tandem mass spectrometry using ammonia supplemented in the nebulizer gas to produce ammonium adducts. The regioisomer compositions of Po/Po/V (8-24% of PoVPo) and Po/Po/O (43-61% of PoOPo) both differed from the random distribution of fatty acids (33.3% of ABA) in all 32 sea buckthorn samples investigated. The regioisomer compositions were different between cultivated ssp. rhamnoides varieties, wild ssp. rhamnoides, and wild ssp. sinensis. Differences were also found in the regioisomerism of both Po/Po/V and Po/Po/O between the two cultivated ssp. rhamnoides varieties, Tytti and Terhi. In addition, growth location and harvesting years showed clear impacts on the regioisomer compositions of Po/Po/V and Po/Po/O. Higher temperatures showed positive correlations with the proportion of PoOPo in ssp. rhamnoides and wild ssp. sinensis and with the proportion of sn-PoPoV+sn-VPoPo in wild ssp. sinensis. However, higher temperatures, higher temperature sums, and radiation sums increased the accumulation of PoVPo in wild ssp. rhamnoides.
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Claims 8
Claim · model-written summary
Po/Po/V regioisomers differed from random fatty acid distribution in all 32 sea buckthorn samples.
- Taxon
- sea buckthorn
.jpg?width=60)
Hippophae rhamnoidese0 - Outcome
- regioisomer compositions of Po/Po/Ve0
- Value
- 8-24%e0
- Comparator
- random distribution of fatty acidse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The regioisomer compositions of Po/Po/V (8-24% of PoVPo) and Po/Po/O (43-61% of PoOPo) both differed from the random distribution of fatty acids (33.3% of ABA) in all 32 sea buckthorn samples investigated.”
Claim · model-written summary
Po/Po/O regioisomers differed from random fatty acid distribution in all 32 sea buckthorn samples.
- Taxon
- sea buckthornHippophae rhamnoidese0
- Outcome
- Po/Po/Oe0
- Value
- 43-61%e0
- Comparator
- random distribution of fatty acidse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The regioisomer compositions of Po/Po/V (8-24% of PoVPo) and Po/Po/O (43-61% of PoOPo) both differed from the random distribution of fatty acids (33.3% of ABA) in all 32 sea buckthorn samples investigated.”
Claim · model-written summary
Regioisomer compositions differed among cultivated and wild sea buckthorn subspecies groups.
Verbatim
e0“The regioisomer compositions were different between cultivated ssp. rhamnoides varieties, wild ssp. rhamnoides, and wild ssp. sinensis.”
Claim · model-written summary
The two cultivated varieties Tytti and Terhi differed in both Po/Po/V and Po/Po/O regioisomerism.
Verbatim
e0“Differences were also found in the regioisomerism of both Po/Po/V and Po/Po/O between the two cultivated ssp. rhamnoides varieties, Tytti and Terhi.”
Claim · model-written summary
Growth location and harvest year affected Po/Po/V and Po/Po/O composition.
Not reportedTaxonDirection
Verbatim
e0“growth location and harvesting years showed clear impacts on the regioisomer compositions of Po/Po/V and Po/Po/O.”
Claim · model-written summary
Higher temperature correlated positively with PoOPo proportion in ssp. rhamnoides and wild ssp. sinensis.
Verbatim
e0“Higher temperatures showed positive correlations with the proportion of PoOPo in ssp. rhamnoides and wild ssp. sinensis”
Claim · model-written summary
Higher temperature correlated positively with sn-PoPoV+sn-VPoPo proportion in wild ssp. sinensis.
Verbatim
e0“Higher temperatures showed positive correlations with the proportion of PoOPo in ssp. rhamnoides and wild ssp. sinensis and with the proportion of sn-PoPoV+sn-VPoPo in wild ssp. sinensis.”
Claim · model-written summary
Higher temperature, temperature sums and radiation sums increased PoVPo accumulation in wild ssp. rhamnoides.
Verbatim
e0“higher temperatures, higher temperature sums, and radiation sums increased the accumulation of PoVPo in wild ssp. rhamnoides.”