Abstract
Anthocyanin,mainly existing in glume and episperm of colored rice,is a group of compounds formed from anthocyanidin and glucoside.Because of the structure of flavonoid,anthocyanin has the ability of antioxidation.The paper reported the changes of rice anthocyanin in growing and ageing processes and the function of rice anthocyanin to extend seed longevity in seed storage.The results indicated that rice anthocyanin had been accumulated in the early stage.With the increase of the seed′s size,anthocyanin content gradually decreased in caryopsis;meanwhile,the anthocyanin content did not change significantly in glume.After artificial ageing,the anthocyanin content notably decreased,contrary to the result in glume.It might indicate that the anthocyanin in glume doesn′t get involved in antioxidant response.The analyses of mycotic infection of ageing seeds suggested that,in the three varieties,the anti-mycete ability of the ones with higher content of anthocyanin was better than that with lower content of anthocyanin.Considering the results,anthocyanin was not the crucial factor in seed storage.
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Claims 7
Claim · model-written summary
Rice anthocyanin accumulated at an early stage.
- Taxon
- rice
Oryza sativae0 - Organ / stage
- early stagee0
- Outcome
- anthocyanine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice anthocyanin had been accumulated in the early stage”
Claim · model-written summary
Anthocyanin content in rice caryopsis gradually decreased as seed size increased.
- Taxon
- RiceOryza sativat0
- Organ / stage
- caryopsise0
- Outcome
- anthocyanin contente0
- Direction
- decreasede0
- Qualifier
- increase of the seed′s sizee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the increase of the seed′s size,anthocyanin content gradually decreased in caryopsis”
t0“Rice”
Claim · model-written summary
Rice glume anthocyanin content did not change significantly as the seed enlarged.
- Taxon
- RiceOryza sativat0
- Organ / stage
- glumee0
- Outcome
- anthocyanin contente0
- Direction
- did not changee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the anthocyanin content did not change significantly in glume”
t0“Rice”
Claim · model-written summary
Anthocyanin content in rice seeds notably decreased after artificial ageing.
- Taxon
- RiceOryza sativat0
- Treatment
- artificial ageinge0
- Outcome
- anthocyanin contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After artificial ageing,the anthocyanin content notably decreased”
t0“Rice”
Claim · model-written summary
Glume anthocyanin apparently did not participate in the antioxidant response.
- Taxon
- RiceOryza sativat0
- Organ / stage
- glumee0
- Outcome
- antioxidant responsee0
- Qualifier
- might indicatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It might indicate that the anthocyanin in glume doesn′t get involved in antioxidant response”
t0“Rice”
Claim · model-written summary
Rice varieties with higher anthocyanin content had better anti-mycete ability than lower-anthocyanin varieties.
- Taxon
- RiceOryza sativat0
- Outcome
- anti-mycete abilitye0
- Direction
- bettere0
- Comparator
- lower content of anthocyanine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the three varieties,the anti-mycete ability of the ones with higher content of anthocyanin was better than that with lower content of anthocyanin”
t0“Rice”
Claim · model-written summary
The authors conclude anthocyanin was not crucial for rice seed storage.
- Taxon
- RiceOryza sativat0
- Outcome
- seed storagee0
- Qualifier
- not the crucial factore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“anthocyanin was not the crucial factor in seed storage”
t0“Rice”
The same questions in other papers
property · quality: phytochemicals · Oryza sativa (rice)Positive and negative results
1 in the opposite direction
- positive
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.