Flaxseed form influences egg production and the nutritional and sensory quality of shell eggs /

13 volatiles separated from heated egg blends. Headspace

Bibliographic Details
Main Author: Aymond, William Marc
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:13 volatiles separated from heated egg blends. Headspace
25 aroma, flavor, and aftertaste attributes. Eggs from
an economical food source for increasing n-3 FA consumption.
analyses. Trained panelists (n=l 1) scored scrambled eggs on
and the peak areas of headspace volatile compounds. Consumer
control layer ration during a 10 week feeding trial. Eggs
designed to determine egg production variables, n-3 FA
developed to predict the overall flavor of eggs from eggs
Diminution of oxidative stability can reduce n-3 FA
Eggs were collected from hens fed control and 15% whole and
fatty acid, trained and consumer sensory panel, and headspace
flavor and fishy aroma and flavor, and lower than controls in
flaxseed fed hens scored higher than controls in chemical
flaxseed significantly (P<.05) affected the concentration of
flaxseed. Gold flaxseed (whole or ground form) fed at levels
from hens fed flaxseed using the trained sensory attributes
ground flaxseed diets during week 10 of the feeding trial for
incorporation, and yolk thiobarbituric acid reactive
increase proportionately with increasing dietary flaxseed.
increased, total n-3 FA (C 1 8:3 + C20:5 + C22:6) increased
laying hen ration supplements is critical. This study was
N-3 fatty acid (FA)-enriched shell eggs have been proposed as
nutritional quality, therefore the oxidative stability of
of 5 or 15% were compared to a 1.5% menhaden oil or a typical
of flaxseed; however, ground 15% flaxseed resulted in greater
panelists were unable to discern between eggs from hens fed
proportionately. Marine n-3 FA (C20:5 + C22:6) did not
Seed form did not influence n-3 FA deposition at the 5% level
sensory attributes and omega-3 fatty acids. Models were
substances (TBARS) when hens were fed whole or ground
sweet aroma and flavor and egg aroma and flavor. Dietary
total n-3 fatty acid deposition than whole 15% flaxseed.
volatile compounds were significantly (P<.05) correlated with
weeks 4 and 5 of the feeding trial. The TBARS content of
were collected and fatty acid composition determined during
whole or ground flaxseed.
Yolk TBARS were not significantly different due to seed form.
yolk was also determined at this time. As dietary flaxseed
Item Description:"Major subject: Poultry Science".
Vita.
Physical Description:ix, 74 leaves ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.