Abstract
While plums are traditionally bred for fresh fruit traits such as size, sweetness, yield and disease resistance the Queensland Government breeding program for Japanese plum (Prunus salicina Lindl.) also selected for anthocyanin content to develop a new plum selection named Queen Garnet. When ripe or overripe, it has a near black skin and deep red flesh colour, which when combined, result in exceptionally high anthocyanin content, reaching up to 277 mg/100 g fruit.The skin fraction contributes 36-66% of the total anthocyanin content of fruit.The plum is now being commercially grown to be processed into a range of functional products from food colourants to premium health products.These are sold on the basis of anthocyanin and antioxidant content.Protocols for increasing anthocyanin content have therefore been researched to maximise the total anthocyanin yield rather than fresh fruit weight and taste.The principal approach is through selective harvest of overripe plums high in colour, although post-harvest storage at 21C results in further anthocyanin synthesis.Modified processing is also required to ensure recovery of anthocyanins from the skin fraction.The plum products have entered testing for assessing health properties beginning with an initial proof of in vivo bioavailability of the anthocyanins.
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Claims 5
Claim · model-written summary
Ripe or overripe Queen Garnet plums reached anthocyanin content up to 277 mg/100 g fruit.
- Taxon
- plum
Prunus domesticat0 - Material
- Queen Garnett0
- Organ / stage
- ripe or overripee0
- Outcome
- anthocyanin contente0
- Direction
- exceptionally highe0
- Value
- 277 mg/100 g fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When ripe or overripe, it has a near black skin and deep red flesh colour, which when combined, result in exceptionally high anthocyanin content, reaching up to 277 mg/100 g fruit.”
t0“QUEEN GARNET PLUM”
Claim · model-written summary
The skin supplied 36-66% of total fruit anthocyanin content.
- Taxon
- plumPrunus domesticat0
- Organ / stage
- skin fractione0
- Outcome
- total anthocyanin content of fruite0
- Value
- 36-66%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The skin fraction contributes 36-66% of the total anthocyanin content of fruit.”
t0“PLUM”
Claim · model-written summary
Selective harvesting of overripe, strongly colored plums was the principal approach for increasing anthocyanin content.
- Taxon
- plumsPrunus domesticae0
- Outcome
- selective harvest of overripe plums high in coloure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The principal approach is through selective harvest of overripe plums high in colour”
Claim · model-written summary
Storage at 21C caused further anthocyanin synthesis.
- Taxon
- plumPrunus domesticat0
- Treatment
- post-harvest storage at 21Ce0
- Outcome
- anthocyanin synthesise0
- Direction
- furthere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“post-harvest storage at 21C results in further anthocyanin synthesis.”
t0“PLUM”
Claim · model-written summary
Modified processing was required to recover anthocyanins from the skin fraction.
- Taxon
- plumPrunus domesticat0
- Outcome
- recovery of anthocyanins from the skin fractione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Modified processing is also required to ensure recovery of anthocyanins from the skin fraction.”
t0“PLUM”
The same questions in other papers
storage · quality: phytochemicals · Prunus domestica (plum)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
2 papers more in this group
See all 6 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.