Abstract
The effect of carboxymethyl cellulose and alginate coating combined with brewer yeast on postharvest grape preservation was investigated. The postharvest grapes were coated with 2% of alginate and 3% of carboxymethyl cellulose combined with1.5×109 CFU/mL of brewer yeast. The combined treatment samples showed good sensory character on day 13 compared with control samples or only coated samples. The increase of weight loss and decrease of total soluble solids of combined treatment grapes were restrained. Furthermore, the protective enzymes including superoxide dismutase, peroxidase, and catalase of combined treatment sample showed higher activities. Accordingly, the increase of malonaldehyde content was also restrained and more vitamin C was preserved in combined treatment samples. At day 13, the weight loss rate and the total soluble solids of grape treated with coating + yeast were 23.6% lower and 20.6% higher than those of control samples, respectively. Coating grapes with 2% of alginate and 3% of carboxymethyl cellulose combined with brewer yeast of1.5×109 CFU/mL was a well-proven method to preserve postharvest grapes.
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Claims 9
Claim · model-written summary
Combined coating and yeast maintained better sensory character at day 13 than control or coating alone.
Verbatim
e0“The combined treatment samples showed good sensory character on day 13 compared with control samples or only coated samples”
t0“postharvest grape”
Claim · model-written summary
Combined treatment restrained the increase of grape weight loss.
Not reportedComparator
Verbatim
e0“The increase of weight loss and decrease of total soluble solids of combined treatment grapes were restrained”
Claim · model-written summary
Combined treatment restrained the decrease of total soluble solids.
Not reportedComparator
Verbatim
e0“The increase of weight loss and decrease of total soluble solids of combined treatment grapes were restrained”
Claim · model-written summary
Combined treatment produced higher activities of three protective enzymes.
- Taxon
- grapet0
- Treatment
- combined treatmente0
- Outcome
- superoxide dismutase, peroxidase, and catalasee0
- Direction
- highere0
Not reportedComparator
Verbatim
e0“the protective enzymes including superoxide dismutase, peroxidase, and catalase of combined treatment sample showed higher activities”
t0“postharvest grape”
Claim · model-written summary
Combined treatment restrained the rise of malonaldehyde content.
Not reportedComparator
Verbatim
e0“the increase of malonaldehyde content was also restrained and more vitamin C was preserved in combined treatment samples”
t0“postharvest grape”
Claim · model-written summary
Combined treatment preserved more vitamin C.
Not reportedComparator
Verbatim
e0“the increase of malonaldehyde content was also restrained and more vitamin C was preserved in combined treatment samples”
t0“postharvest grape”
Claim · model-written summary
At day 13, treated grapes had 23.6% lower weight loss rate than controls.
Verbatim
e0“At day 13, the weight loss rate and the total soluble solids of grape treated with coating + yeast were 23.6% lower and 20.6% higher than those of control samples, respectively”
Claim · model-written summary
At day 13, treated grapes had 20.6% higher total soluble solids than controls.
Verbatim
e0“At day 13, the weight loss rate and the total soluble solids of grape treated with coating + yeast were 23.6% lower and 20.6% higher than those of control samples, respectively”
Claim · model-written summary
The authors recommend the combined alginate, carboxymethyl cellulose and yeast coating for preserving postharvest grapes.
Verbatim
e0“Coating grapes with 2% of alginate and 3% of carboxymethyl cellulose combined with brewer yeast of1.5×109 CFU/mL was a well-proven method to preserve postharvest grapes”
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