Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2015 Jun 16;10(6):e0129933.
doi: 10.1371/journal.pone.0129933. eCollection 2015.

Chemical Composition of Defatted Cottonseed and Soy Meal Products

Zhongqi He  1 , Hailin Zhang  2 , Dan C Olk  3
Affiliations

Chemical Composition of Defatted Cottonseed and Soy Meal Products

Zhongqi He et al. PLoS One. .

Abstract

Chemical composition is critical information for product quality and exploration of new use. Hence defatted cottonseed meals from both glanded (with gossypol) and glandless (without gossypol) cotton seeds were separated into water soluble and insoluble fractions, or water soluble, alkali soluble as well as total protein isolates. The contents of gossypol, total protein and amino acids, fiber and carbohydrates, and selected macro and trace elements in these products were determined and compared with each other and with those of soy meal products. Data reported in this work improved our understanding on the chemical composition of different cottonseed meal products that is helpful for more economical utilization of these products. These data would also provide a basic reference for product standards and quality control when the production of the cottonseed meal products comes to pilot and industrial scales.

PubMed Disclaimer

Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Contents of amino acids in glanded (Gd) cottonseed meal and their water soluble (WSF) and insoluble (WIF) fractions, total protein isolate (PI) and water (PIw)- and alkali (PIa)-extracted protein isolates.
Data are presented in average with standard error (n = 2 or 3).
Fig 2
Fig 2. Contents of amino acids (AAs) in glandless (Gl) cottonseed and soy meal, and their water soluble (WSF) and insoluble (WIF) fractions, and total protein isolate (PI).
Data are presented in average with standard error (n = 2 or 3).
Fig 3
Fig 3. Selected carbohydrates in glanded (Gd) and glandless (Gl) cottonseed and soy meal, and their water soluble (WSF) and insoluble (WIF) fractions, total protein isolate (PI) and water (PIw)- and alkali (PIa)-extracted protein isolates.
Data are presented in average with standard error (n = 2 or 3).
Fig 4
Fig 4. Contents of P, Ca, K, Mg, Na, and S in glanded (Gd) and glandless (Gl) cottonseed and soy meal, and their water soluble (WSF) and insoluble (WIF) fractions, total protein isolate (PI) and water (PIw)- and alkali (PIa)-extracted protein isolates.
Data are presented in average with standard error (n = 2 or 3).
Fig 5
Fig 5. Contents of Fe, Zn, Cu, Mn, Al, and B in glanded (Gd) and glandless (Gl) cottonseed and soy meal, and their water soluble (WSF) and insoluble (WIF) fractions, total protein isolate (PI) and water (PIw)- and alkali (PIa)-extracted protein isolates.
Data are presented in average with standard error (n = 2 or 3).
See this image and copyright information in PMC

Similar articles

See all similar articles

Cited by

See all "Cited by" articles

References

    1. Campbell BT, Boykin D, Abdo Z, Meredith WR (2014) Cotton In: Smith S, Diers B, Specht J, Carver B (eds) Yield Gains in Major U.S. Field Crops. American Chemical Society, Madison, WI, p 13–32.
    1. Bellaloui N, Turley RB (2013) Effects of fuzzless cottonseed phenotype on cottonseed nutrient composition in near isogenic cotton (Gossypium hirsutum L.) mutant lines under well-watered and water stress conditions. Front. Plant Sci. 4:516 doi: 510.3389/fpls.2013.00516 - PMC - PubMed
    1. Tazisong IA, He Z, Senwo ZN (2013) Inorganic and enzymatically hydrolyzable organic phosphorus of Alabama Decatur silt loam soils cropped with upland cotton. Soil Sci. 178:231–239.
    1. Pettigrew WT, Dowd MK (2014) Nitrogen fertility and irrigation effects on cottonseed composition. J. Cotton Sci. 18:410–419.
    1. Dowd MK, Wakelyn PJ (2010) Cottonseed: current and future utilization In: Wakelyn PJ, Chaudhry R (eds) Cotton: Technology for the 21st. Century. ICAC Press, Washington D.C., p 437–460.