Task: Class Definition Understanding (ontology: Food_Agriculture/Crop_Ontology)

Which of the following definitions best describes 'Seed crude fat content measurement'?

A. Description: Record the date at which a plant or plot was defoliated

 Materials:

 Dependent on:

 Protocol:
 1. Record the ISO 8601 date at which a plant or plot was defoliated
B. Description: Determination of crude fat content in sample by Soxhlet or continuous extraction

 Materials: extractor; filter paper; extraction thimbles 22x80mm; cotton (free from ether extract) or Pyrex glass wool; vacuum oven or vacuum desiccator for nonoxidative drying of sample; petroleum ether (redistilled, BP 30-60F)

 Dependent on:

 Protocol:
 1. See AACC 30-25.01
C. Description: Measure the total area of a plot

 Materials: tape measure

 Dependent on:

 Protocol:
 1. Find the corner of the plot.
 2. Record the actual length and width of the plot.
 3. Multiply and express in square units of length or in some standard area unit.
D. Description: Determination of Simple Sugars in Cereal Products—HPLC Method

 Materials: 

 Dependent on:

 Protocol:
 1. See full protocol at AACC 80-04.01

Answer: Description: Determination of crude fat content in sample by Soxhlet or continuous extraction

 Materials: extractor; filter paper; extraction thimbles 22x80mm; cotton (free from ether extract) or Pyrex glass wool; vacuum oven or vacuum desiccator for nonoxidative drying of sample; petroleum ether (redistilled, BP 30-60F)

 Dependent on:

 Protocol:
 1. See AACC 30-25.01