scholarly journals Uptake and incorporation of saturated and unsaturated fatty acids into macrophage lipids and their effect upon macrophage adhesion and phagocytosis

1990 ◽  
Vol 269 (3) ◽  
pp. 807-814 ◽  
Author(s):  
P C Calder ◽  
J A Bond ◽  
D J Harvey ◽  
S Gordon ◽  
E A Newsholme
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Fish Oil ◽  
Phagocytic Activity ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Dietary Lipid ◽  
Phagocytic Capacity ◽  
Macrophage Adhesion

Murine thioglycollate-elicited peritoneal macrophages were cultured in the presence of a variety of fatty acids added as complexes with bovine serum albumin. All fatty acids tested were taken up readily by the cells and both neutral and phospholipid fractions were enriched with the fatty acid provided in the medium. This generated a range of cells enriched in saturated, monounsaturated or polyunsaturated fatty acids, including n-3 acids of fish oil origin. Saturated fatty acid enrichment enhanced macrophage adhesion to both tissue culture plastic and bacterial plastic compared with enrichment with polyunsaturated fatty acids. Macrophages enriched with the saturated fatty acids myristate or palmitate showed decreases of 28% and 21% respectively in their ability to phagocytose unopsonized zymosan particles. Those enriched with polyunsaturated fatty acids showed 25-55% enhancement of phagocytic capacity. The greatest rate of uptake was with arachidonate-enriched cells. Phagocytic rate was highly correlated with the saturated/unsaturated fatty acid ratio, percentage of polyunsaturated fatty acid and index of unsaturation, except for macrophages enriched with fish-oil-derived fatty acids; they showed lower phagocytic activity than expected on the basis of their degree of unsaturation. These results suggest that membrane fluidity is important in determining macrophage adhesion and phagocytic activity. However, in the case of phagocytosis, this effect may be partially overcome if the cells are enriched with fish-oil-derived fatty acids. Thus it may be possible to modulate the activity of cells of the immune system, and so an immune response, by dietary lipid manipulation.

EFFECT OF GINGER, LEMURU FISH OIL SAPONIFICATION AND OLIVE OIL ON COMPOSITION FATTY ACID OF BEEF

2014 ◽  
Vol 4 (1) ◽  
pp. 31-39
Author(s):  
Siwitri Kadarsih
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Fish Oil ◽  
Olive Oil ◽  
Rice Bran ◽  
Dry Matter ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Omega 3 ◽  
Omega 6

The objective was to get beef that contain unsaturated fatty acids (especially omega 3 and 6), so as to improve intelligence, physical health for those who consume. The study design using CRD with 3 treatments, each treatment used 4 Bali cattle aged approximately 1.5 years. Observations were made 8 weeks. Pasta mixed with ginger provided konsentrat. P1 (control); P2 (6% saponification lemuru fish oil, olive oil 1%; rice bran: 37.30%; corn: 62.70%; KLK: 7%, ginger paste: 100 g); P3 (lemuru fish oil saponification 8%, 2% olive oil; rice bran; 37.30; corn: 62.70%; KLK: 7%, ginger paste: 200 g). Konsentrat given in the morning as much as 1% of the weight of the cattle based on dry matter, while the grass given a minimum of 10% of the weight of livestock observation variables include: fatty acid composition of meat. Data the analyzies qualitative. The results of the study showed that the composition of saturated fatty acids in meat decreased and an increase in unsaturated fatty acids, namely linoleic acid (omega 6) and linolenic acid (omega 3), and deikosapenta deikosaheksa acid.Keywords : 

scholarly journals Karakteristik dan Profil Asam Lemak Minyak Ikan dari Kepala dan Tulang Ikan Tuna (Thunnus albacares)

2020 ◽  
Vol 9 (1) ◽  
pp. 10-19
Author(s):  
Daniel A N Apituley ◽  
Raja Bonan Dolok Sormin ◽  
Esterlina E E M Nanlohy
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Fish Oil ◽  
Iodine Number ◽  
Fatty Acid Profile ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Monounsaturated Fatty Acids ◽  
Acid Number ◽  
Thunnus Albacares

This study was aimed to determine the physical and chemical quality as well as the fatty acid profile of fish oil from the waste of the head and the bones of Thunnus albacares. An experimental method was applied in this research. Observed variables included yield, density, acid number, saponification value, iodine number, TBA value, as well as fatty acid profile. The results showed that the physical characteristics of the oil from the head and bone of the fish, i.e., yield 12,11% and 9.85%, density 0.92 mg/mL, and 0.90 mg/mL, respectively. The chemical characteristics of the oil from head and bones of tuna were acid number 2.10 mg KOH/g and 2.88 mg KOH/g, iodine number 88.80 mg KOH/g and 77.67 mg KOH/g; saponification number 178.80 mg KOH/g and 145.50 mg KOH/g, TBA values 1.80 mg KOH/kg and 1.29 mg KOH/kg, subsequently. Unsaturated fatty acids were found to dominate oil from the head and bones of tuna. Tuna head contained 25 types of fatty acids consisting of 10 types of saturated fatty acids (SFA) 20.8% w/w, seven types of monounsaturated fatty acids (MUFA) 11.92% w/w, eight polyunsaturated fatty acids (PUFA) 35.98% w/w. In comparison, tuna bones contained 26 types of fatty acids consisting of 11 SFA 19.69% w/w, seven MUFA 10.80% w/w, and 8 PUFA 26.21% w/w. Keywords: fatty acid, fish oil, Thunnus albacares, waste of head and bone   ABSTRAK Penelitian ini bertujuan untuk mengetahui kualitas fisik maupun kimiawi serta profil asam lemak minyak limbah ikan dari kepala dan tulang ikan tuna (Thunnus albacares). Metode yang digunakan adalah metode eksperimen. Parameter yang diamati yaitu: rendemen, berat jenis minyak, bilangan penyabunan, bilangan iodin, bilangan Tiobarbituric Acid (TBA) serta profil asam lemak. Hasil penelitian menunjukkan karakteristik fisik dari kepala dan tulang ikan berturut-turut adalah: rendemen 12,11 dan 9,85%; berat jenis minyak 0,92 mg/mL dan 0,90 mg/mL. Karakteristik kimia dari kepala dan tulang ikan tuna adalah berturut-turut: bilangan asam 2,10 mg KOH/g dan 2,88 mg KOH/g; bilangan iod 88,80 mg KOH/g dan 77,67 mg KOH/g; bilangan penyabunan 178,80 mg KOH/g dan 145,50 mg KOH/g; nilai TBA 1,80 mg KOH/kg dan 1,29 mg KOH/kg. Asam lemak tidak jenuh mendominasi minyak dari kepala maupun tulang ikan Tuna. Kepala ikan tuna mengandung 25 jenis asam lemak terdiri dari 10 jenis asam lemak jenuh (SFA) 20,8% w/w, 7 jenis lemak tak jenuh tunggal (MUFA) 11,92% w/w, 8 asam lemak tak jenuh jamak (PUFA) 35,98% w/w; sedangkan tulang ikan Tuna mengandung 26 jenis asam lemak terdiri dari 11 SFA 19,69% w/w, 7 MUFA 10,80% w/w, dan 8 PUFA 26,21% w/w. Kata kunci: asam lemak, minyak ikan, Thunnus albacares, limbah tulang dan kepala

BLOOD FATTY ACID COMPOSITION IN COWS DEPENDING ON THE TYPE OF AUTONOMIC REGULATION IN SUMMER PERIOD

2021 ◽  
Vol 12 (4) ◽  
Author(s):  
I. A. Hryshchuk ◽  
◽  
V. I. Karpovskyi ◽  
V. V. Danchuk ◽  
B. V. Gutyj ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Blood Plasma ◽  
Unsaturated Fatty Acids ◽  
Physiological Activity ◽  
Saturated Fatty Acids ◽  
Nervous Activity ◽  
Autonomic Regulation ◽  
In Blood Plasma

Coordination of physiological activity and intensity of metabolism in various organs and tissues of a productive animal, depending on environmental conditions and own needs, is provided by the regulatory activity of the corresponding nerve centers. However, the features of the autonomic regulation of the nervous system in this matter can have a significant impact not only on the physiological activity of animals but also on their productivity. Therefore, the question of studying the influence of autonomic regulation on the animal body in general and the interaction of the autonomic system and lipid metabolism is quite relevant. Groups of animals were formed by determining the state of the cardiovascular system according to Baevskyi. Blood plasma was used for the study, lipid extraction was performed by the Folch method. Fatty acid analysis was performed on a Trace GC Ultra gas chromatograph (USA) with a flame ionization detector. Studies have shown that the relative content of saturated fatty acids in blood of normotonics was the highest compared with other groups: sympathotonics – by 1.9%; vagotonics – 0.48%. Regarding the concentration of saturated fatty acids in sympathotonics, it should be noted that the content of stearic acid was the highest (18.07 ± 0.01; P < 0.001) and saturated fatty acids from C6 to C16 were characterized by the lowest values (P < 0.01–0.05) in comparison with other groups The total content of unsaturated fatty acids in blood plasma of sympathotonics and vagotonics was 1.19% and 0.49% higher, respectively, compared with normotonics. Quite interesting is the fact that sympathotonics were characterized by the highest content of polyunsaturated fatty acids, the content of which decreased in the range C18:2n6 > C20:4n6 > C18:3n3 > C22:6n3 > C22:5n3, a similar sequence we observed in other groups, although the relative concentration of acids could fluctuate. Normotonics were characterized by the highest levels of some polyunsaturated fatty acids (C18:3n3, C22:5n3, C22:6n3) (P < 0.05-0.01), while levels of some unsaturated fatty acids (C18: 1n9, C20: 3n6) were the lowest. Thus, the type of nervous activity has a significant effect on the ratio of fatty acids in blood plasma of cows and autonomous regulation affects the metabolic processes in the animal’s body.

Fatty Acid Composition of Turkey Meat Sucuk (Soudjuck), Salami, and Sausages

2008 ◽  
Vol 4 (2) ◽  
Author(s):  
Semih Otles ◽  
Ozlem Cagindi
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Acid Composition ◽  
Unsaturated Fatty Acids ◽  
Methyl Esters ◽  
Saturated Fatty Acids ◽  
Turkey Meat ◽  
Oleic And Linoleic Acids

In this paper, the fatty acid composition of turkey meat sucuk (soudjuck), salami, and sausages were determined and compared with each other. The fatty acids methyl esters of each product were identified by capillary gas chromatography. Most of the fatty acids in sucuk (soudjuck) samples were monosaturated; however in salami and sausages samples most of were mono and di-unsaturated. Saturated fatty acids in sucuk (soudjuck) samples followed, having the palmitic and stearic acids as their major components and had a range of 229.7-385.2 g kg-1 and 87.6-215.9 g kg-1. In salami and sausages samples, unsaturated fatty acids, the oleic and linoleic acids were the major components and had a range of 170.0-542.0 g kg-1 and 151.5-353.0 g kg-1. PUFA (polyunsaturated fatty acids) were found for sausages in the highest amount with linoleic acids concentration. Turkey meat salami and sausages presented a higher content of unsaturated and polyunsaturated fatty acids than turkey meat sucuk (soudjuck).

scholarly journals Forage breeding and management to increase the beneficial fatty acid content of ruminant products

2003 ◽  
Vol 62 (2) ◽  
pp. 329-336 ◽  
Author(s):  
R. J. Dewhurst ◽  
N. D. Scollan ◽  
M. R. F. Lee ◽  
H. J. Ougham ◽  
M. O. Humphreys
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Acid Content ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Fatty Acid Content ◽  
Conjugated Linoleic Acids ◽  
Plant Lipids

The declining consumption of ruminant products has been partly associated with their high proportion (but not necessarily content) of saturated fatty acids. Recent studies have focused on the less prominent fact that they are also important sources of beneficial fatty acids, includingn-3 fatty acids and conjugated linoleic acids. α-Linolenic acid (18: 3n-3) is of particular interest because it also contributes to improved flavour of beef and lamb. Many recent studies showed large effects of special concentrates on levels of fatty acids in milk and meat. However, the ‘rumen protection’ treatments, needed to ensure a worthwhile level of fatty acid in products, are expensive. Herbage lipids are the cheapest and safest source of these fatty acids and so breeding to increase delivery of fatty acids from plants into ruminant products is an important long-term strategy. Plant lipids usually contain high levels of polyunsaturated fatty acids, particularly 18: 2n-6 and 18:3n-3 which are the precursors of beneficial fatty acids. Whilst some plants are particularly rich in individual fatty acids (e.g. 18:3n-3 in linseed), there are also useful levels in grass and clover (TrifoliumSpp.). Levels of fatty acids in forages in relation to species and varieties are considered, as well as management and conservation methods. Relationships between levels of fatty acids and existing traits and genetic markers are identified. The effects of forage treatments on the fatty acid content of ruminant products are reviewed. The higher levels of polyunsaturated fatty acids in milk from cows fed clover silages show that the level of fatty acids in herbage is not the only factor affecting levels of fatty acids in ruminant products. Further effort is needed to characterise susceptibility of unsaturated fatty acids to oxidative loss during field wilting and biohydrogenation losses in the rumen, and the relative importance of plant and microbial processes in these losses. The pathways of lipolysis and lipid oxidation are reviewed and other plant factors which offer potential to breed for reduced losses are considered.

scholarly journals Age castration of Nellore males on the profile of fatty acids of meat

2017 ◽  
Vol 38 (6) ◽  
pp. 3739
Author(s):  
Regis Luis Missio ◽  
João Restle ◽  
Aline Kelherman de Freitas ◽  
Moacir Evandro Lage ◽  
Paulo Santana Pacheco ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Experimental Design ◽  
Polyunsaturated Fatty Acids ◽  
Palmitic Acid ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Cholesterol Content ◽  
Lower Content ◽  
Different Ages

This study aimed to evaluate the cholesterol content, ?-tocopherol and fatty acids in the meat of Nellore young bulls or steers castrated at different ages, 13 or 18 months. The animals were confined for 100 days and slaughtered at 22 months of age. The experimental design was completely randomized with three treatments, using 12 repetitions. The levels of palmitic acid (26.39%), stearic (24.39%), myristic (3.01%) and total saturated fatty acids were not altered by sexual condition or castration age. Oleic was the fatty acid with the highest average participation in the meat (34.54%), and lower content in the meat of young bulls in relation to the castrated. The content of total unsaturated fatty acids was lower in the young bulls in relation to castrated at 18 months, which did not differ from castrated at 12 months. The content of total polyunsaturated fatty acids was increased by elevation of the castration age, being similar between young bulls and castrated at 18 months. The ratio ?6/?3 was not altered by sexual condition or castration age. Castration at the beginning of the finishing period increases the content of beneficial fatty acids to health in relation to castrated in the first third of backgrounding.

Effect of dietary n-3/n-6 ratio on fatty acid composition of liver, meat and perirenal fat in rabbits

1999 ◽  
Vol 68 (4) ◽  
pp. 647-654 ◽  
Author(s):  
M. Bernardini ◽  
A. Dal Bosco ◽  
C. Castellini
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Fish Oil ◽  
Fatty Acid Profile ◽  
Unsaturated Fatty Acids ◽  
Meat Products ◽  
Dietary Fatty Acids ◽  
Longissimus Lumborum ◽  
Perirenal Fat

AbstractThe metabolic pathways of dietary fatty acids were studied in rabbits by analysing the fatty acid profile of different tissues (liver, perirenal fat,longissimus lumborummuscle). Four groups of 24 hybrid males each were assigned to four semi-purified diets, varying in the source oflipids which differed in n-3/n-6 ratios: 180 g/kg sunflower (S), 80 g/kg flaxseed + 90 g/kg sunflower (SF), 160 g/kg flaxseed (F) and 60 g/kg fish oil (FI). The liver showed a very important rôle in fatty acid syntheses and was the tissue richest in long-chain (≥20 C) polyunsaturated fatty acids (LCP) of n-3 and n-6 series. The S diet gave the highest mono-unsaturated fatty acids and n-6 LCP (respectively, 201·9 and 384·9 g/kg,P< 0·01) also showing a clear antagonism v. n-3 LCP; the FI diet determined the highest enrichment of n-3 LCP (179·5 g/kg,P< 0·01). a-linolenic acid was efficiently converted into n-3 LCP mainly when п-ЗІп-6 ratio was high (Σn-3/С20: 4n-6: 2·74 and 3.61,P< 0·01 in flaxseed and fish-oil diet, respectively). The same trend occurred in the muscle but in a less consistent way. The adipose tissue more closely reflected the composition of the dietary fatty acids, showing variations mainly concerning polyunsaturated fatty acids (S diet), and LCP n-3 (FI diet: 44·9 g/kg,P< 0·01). Results showed the possibility of modifying the fatty acid profile of rabbit meat by dietary means and that the n-3/n-6 ratio of the food is crucial in regulating the relative presence of LCP n-3 or n-6 in meat products.

scholarly journals Fatty Acids Composition, Variation and Distribution in Different Accessions of the West African Pear (Dacryodes edulis) and Potential Health Benefits

2020 ◽  
pp. 35-47
Author(s):  
Godwin Oju Igile ◽  
Henrietta Nkechi Ene-Obong ◽  
Godwin Eneji Egbung
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Acid Composition ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Climatic Conditions ◽  
Potential Health ◽  
Dacryodes Edulis

The pulp of Dacryodes edulis is eaten raw, cooked or roasted by West and central Africans. The aim of this study was to determine the fatty acid composition, type, variation and distribution among different accessions of D. edulis purchased from different locations of Eastern Nigeria, using GC-MS data. The results showed that D.edulis is rich in ω-3,6,9 unsaturated fatty acids. Saturated fatty acids namely, pentadecanoic, tetradecanoic (myristic), tridecanoic, hexadecanoic (palmitic), undecanoic and octadecanoic (stearic) acids were common to all accessions. Unsaturated fatty acids identified in the four accessions included, Oleic, linoleic, linolenic, linoelaidic and several other polyunsaturated fatty acids including brassidic and vacennic acids, and 19,19-Dimethyl-Eicosa-8,11-dienoic acid (6.83±0.37%) a derivative of oleic acid which was found only in Nsukka samples. Two novel polyunsaturated fatty acids namely; Methyl,9,12-Heptadecadienoic acid and 2,6,10,14-Hexadecatetraenoic acid were identified in the present study. The ratio of saturation to unsaturation was calculated to be approximately 1:2. The concentration of TSFAs fell in the range of 27.07±1.75-39.87±1.72%, while TMUFAs was 3.14±0.22-10.77±0.55%, and TPUFAs was 46.81±1.22-58.71±2.33% respectively. We concluded that, the presence of polyunsaturated fatty acids in D. edulis may provide cardio-protective benefits in terms of human nutrition and could be substitutes for olive oil in healthy normo-cholesterolemic human diets. We further concluded that the differences in fatty acid composition, distribution, variation and concentration between the locations studied may be affected not only by their biogenetic origin but also by soil type and climatic conditions.

The effect of phosphorus starvation on the fatty acid composition of Visheria strains

2021 ◽  
pp. 159-163
Author(s):  
Zinaida V. Krivova ◽  
Yevhen I. Maltsev ◽  
Maxim S. Kulikovskiy
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Polyunsaturated Fatty Acids ◽  
Fish Oil ◽  
Saturated Fatty Acids ◽  
Nitrogen Concentration ◽  
Stearidonic Acid ◽  
Relevant Today ◽  
Phosphorus Deprivation ◽  
Long Chain

Fatty acids are widely used in various fields: in medicine, agriculture, in the production of dietary supplement and biofuels, for the maintenance of aquaculture. The main source of fatty acids is fish oil. The relevance of the search for an alternative to fish oil as a source of fatty acids remains relevant today. Many microalgae accumulate fatty acids in quantities sufficient for use in biotechnology. Many studies are currently being conducted on the biochemistry of eustigmatophyceae algae. Most representatives of this class accumulate such polyunsaturated fatty acids as eicosapentaenoic and docosahexaenoic, which are in demand in biotechnology, while maintaining the necessary growth rates of biomass. The strains of Vischeria vischeri described in this work were isolated from soil samples. The obtained fatty acid profiles show that the strains when growing on a BBM medium with a triple nitrogen concentration store a high percentage of saturated palmitic, monounsaturated palmitoleic and polyunsaturated eicosopentaenoic acids. In addition, one of the strains accumulates rare long-chain polyunsaturated fatty acids: stearidonic acid, eicosodienoic acid, and digomo-γ-linoleic acid. Also, an experiment on phosphorus deprivation was conducted with these strains: as a result of this study, it was found that the composition of the fatty acids of the strains practically did not change, however, the concentrations of saturated and monounsaturated acids became higher, and polyunsaturated ones decreased. This trend in changes in the concentrations of fatty acids remained for all the described strains. The strains have been shown to accumulate long-chain saturated fatty acids: behenic and cerotic.

scholarly journals Explore the gene network regulating the composition of fatty acids in cottonseed

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Lihong Ma ◽  
Xinqi Cheng ◽  
Chuan Wang ◽  
Xinyu Zhang ◽  
Fei Xue ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Linoleic Acid ◽  
Linolenic Acid ◽  
Gene Network ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Accumulation Pattern ◽  
Time Points ◽  
Expression Characteristics

Abstract Background Cottonseed is one of the major sources of vegetable oil. Analysis of the dynamic changes of fatty acid components and the genes regulating the composition of fatty acids of cottonseed oil is of great significance for understanding the biological processes underlying biosynthesis of fatty acids and for genetic improving the oil nutritional qualities. Results In this study, we investigated the dynamic relationship of 13 fatty acid components at 12 developmental time points of cottonseed (Gossypium hirsutum L.) and generated cottonseed transcriptome of the 12 time points. At 5–15 day post anthesis (DPA), the contents of polyunsaturated linolenic acid (C18:3n-3) and saturated stearic acid (C18:0) were higher, while linoleic acid (C18:2n-6) was mainly synthesized after 15 DPA. Using 5 DPA as a reference, 15,647 non-redundant differentially expressed genes were identified in 10–60 DPA cottonseed. Co-expression gene network analysis identified six modules containing 3275 genes significantly associated with middle-late seed developmental stages and enriched with genes related to the linoleic acid metabolic pathway and α-linolenic acid metabolism. Genes (Gh_D03G0588 and Gh_A02G1788) encoding stearoyl-ACP desaturase were identified as hub genes and significantly up-regulated at 25 DPA. They seemed to play a decisive role in determining the ratio of saturated fatty acids to unsaturated fatty acids. FAD2 genes (Gh_A13G1850 and Gh_D13G2238) were highly expressed at 25–50 DPA, eventually leading to the high content of C18:2n-6 in cottonseed. The content of C18:3n-3 was significantly decreased from 5 DPA (7.44%) to 25 DPA (0.11%) and correlated with the expression characteristics of Gh_A09G0848 and Gh_D09G0870. Conclusions These results contribute to our understanding on the relationship between the accumulation pattern of fatty acid components and the expression characteristics of key genes involved in fatty acid biosynthesis during the entire period of cottonseed development.

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