Abstract
Broccoli (Brassica oleracea L. var. italica) is a rich source of chemopreventive compounds. Here, we evaluated and compared the effect of selenium (Se) treatment on the accumulation of anticancer compounds Se-methylselenocysteine (SeMSCys) and glucosinolates in broccoli sprouts and florets. Total Se and SeMSCys content in sprouts increased concomitantly with increasing Se doses. Selenate was superior to selenite in inducing total Se accumulation, but selenite is equally effective as selenate in promoting SeMSCys synthesis in sprouts. Increasing sulfur doses reduced total Se and SeMSCys content in sprouts treated with selenate, but not in those with selenite. Examination of five broccoli cultivars reveals that sprouts generally have better fractional ability than florets to convert inorganic Se into SeMSCys. Distinctive glucosinolate profiles between sprouts and florets were observed, and sprouts contained approximately 6-fold more glucoraphanin than florets. In contrast to florets, glucosinolate content was not affected by Se treatment in sprouts. Thus, Se-enriched broccoli sprouts are excellent for simultaneous accumulation of chemopreventive compounds SeMSCys and glucoraphanin.
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Claims 12
Claim · model-written summary
Total selenium content increased with selenium dose in broccoli sprouts.
- Taxon
- Broccoli
Brassica oleracea var. italicat0 - Organ / stage
- sproutse0
- Treatment
- increasing Se dosese0
- Outcome
- Total See0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total Se and SeMSCys content in sprouts increased concomitantly with increasing Se doses.”
t0“Broccoli”
Claim · model-written summary
SeMSCys content increased with selenium dose in broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- increasing Se dosese0
- Outcome
- SeMSCys contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total Se and SeMSCys content in sprouts increased concomitantly with increasing Se doses.”
t0“Broccoli”
Claim · model-written summary
Selenate induced more total selenium accumulation than selenite in broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- Selenatee0
- Outcome
- total Se accumulatione0
- Direction
- superiore0
- Comparator
- selenitee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Selenate was superior to selenite in inducing total Se accumulation, but selenite is equally effective as selenate in promoting SeMSCys synthesis in sprouts.”
t0“Broccoli”
Claim · model-written summary
Selenite and selenate were equally effective for SeMSCys synthesis in broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- selenitee0
- Outcome
- SeMSCys synthesise0
- Direction
- equally effectivee0
- Comparator
- selenatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Selenate was superior to selenite in inducing total Se accumulation, but selenite is equally effective as selenate in promoting SeMSCys synthesis in sprouts.”
t0“Broccoli”
Claim · model-written summary
Higher sulfur doses reduced total selenium in selenate-treated broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- Increasing sulfur dosese0
- Outcome
- total See0
- Direction
- reducede0
- Qualifier
- treated with selenatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing sulfur doses reduced total Se and SeMSCys content in sprouts treated with selenate, but not in those with selenite.”
t0“Broccoli”
Claim · model-written summary
Higher sulfur doses reduced SeMSCys content in selenate-treated broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- Increasing sulfur dosese0
- Outcome
- SeMSCys contente0
- Direction
- reducede0
- Qualifier
- treated with selenatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing sulfur doses reduced total Se and SeMSCys content in sprouts treated with selenate, but not in those with selenite.”
t0“Broccoli”
Claim · model-written summary
Sulfur dose did not reduce total selenium or SeMSCys in selenite-treated broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- Increasing sulfur dosese0
- Outcome
- total Se and SeMSCys contente0
- Direction
- but note0
- Qualifier
- those with selenitee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing sulfur doses reduced total Se and SeMSCys content in sprouts treated with selenate, but not in those with selenite.”
t0“Broccoli”
Claim · model-written summary
Broccoli sprouts generally converted a greater fraction of inorganic selenium to SeMSCys than florets.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Outcome
- fractional abilitye0
- Direction
- bettere0
- Comparator
- floretse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sprouts generally have better fractional ability than florets to convert inorganic Se into SeMSCys.”
t0“Broccoli”
Claim · model-written summary
Glucosinolate profiles differed between broccoli sprouts and florets.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sprouts and floretse0
- Outcome
- glucosinolate profilese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Distinctive glucosinolate profiles between sprouts and florets were observed”
t0“Broccoli”
Claim · model-written summary
Broccoli sprouts contained approximately sixfold more glucoraphanin than florets.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Outcome
- glucoraphanine0
- Direction
- moree0
- Value
- 6-folde0
- Comparator
- floretse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sprouts contained approximately 6-fold more glucoraphanin than florets.”
t0“Broccoli”
Claim · model-written summary
Selenium treatment did not affect glucosinolate content in broccoli sprouts.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- sproutse0
- Treatment
- Se treatmente0
- Outcome
- glucosinolate contente0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In contrast to florets, glucosinolate content was not affected by Se treatment in sprouts.”
t0“Broccoli”
Claim · model-written summary
Selenium treatment affected glucosinolate content in broccoli florets.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- floretse0
- Treatment
- Se treatmente0
- Outcome
- glucosinolate contente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In contrast to florets, glucosinolate content was not affected by Se treatment in sprouts.”
t0“Broccoli”
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