Abstract
Orange is the main fruit crop in Egypt and most varieties are available during winter. Use of hazardous chemicals and their environmental effect has received great attention worldwide. The aim of this study was to substitute chemicals with natural materials as a means to reduce contamination of foods. The present study was carried out in Egypt during 2009 and 2010. Navel orange fruits were sampled and treated with five different post-harvest dipping treatments (control, seaweed extracts at 2% and 4% and calcium chloride at 2% and 4%). One group of each treatment was stored at room temperature (21 ± 2°C and 65–75% RH) for 45 days and the second group was at cold temperature (7°C and 65–75% RH) for 75 days. Soluble solids content, total sugars and reducing sugars content were increased in 4% seaweed extract treated fruit stored either at room temperature or in cold storage. Generally, seaweed extracts are recommended to improve fruit quality and storability of Navel orange fruit, compared with chemicals that are of consumer concern.
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Claims 2
Claim · model-written summary
Treatment with 4% seaweed extract increased soluble solids, total sugars and reducing sugars in orange fruit stored at room temperature or in cold storage.
- Taxon
- Navel orange
Citrus sinensise1 - Organ / stage
- fruite0
- Treatment
- 4% seaweed extracte0
- Outcome
- Soluble solids content, total sugars and reducing sugars contente0
- Direction
- increasede0
- Qualifier
- stored either at room temperature or in cold storagee0
- Setting
- Egypte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soluble solids content, total sugars and reducing sugars content were increased in 4% seaweed extract treated fruit stored either at room temperature or in cold storage.”
e1“Navel orange fruits were sampled and treated with five different post-harvest dipping treatments (control, seaweed extracts at 2% and 4% and calcium chloride at 2% and 4%).”
e2“The present study was carried out in Egypt during 2009 and 2010.”
Claim · model-written summary
The authors recommend seaweed extracts to improve Navel orange fruit quality and storability compared with chemicals of consumer concern.
- Taxon
- Navel orangeCitrus sinensise0
- Treatment
- seaweed extractse0
- Outcome
- improve fruit quality and storabilitye0
- Comparator
- chemicalse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Generally, seaweed extracts are recommended to improve fruit quality and storability of Navel orange fruit, compared with chemicals that are of consumer concern.”
The same questions in other papers
other · quality: sugar starch · Citrus sinensis (sweet orange)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- positive
4 papers more in this group
See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.