Publication Date:
2021-05-19
Description:
Sea cucumber is a valuable resource containing several materials that can be used as natural
products and pharmaceutical industries. In this study, proximate composition and the amount
of total phenols, flavonoids and antioxidant activity of fresh and rehydrated (after drying) sea
cucumber, Holothuria parva, were examined. The samples were collected from Bandar
Lengeh in the Persian Gulf during low tide and kept frozen. The samples were freeze-dried
and the moisture content was calculated. The protein, lipid, ash and carbohydrate contents
were then measured. The amounts of antioxidant activity (DPPH), phenol and flavonoid
contents were also measured. All results have possibility (p〈0.05). In fresh sample, the
moisture, protein, lipid, ash and carbohydrate contents were 81.20, 12.00, 0.34, 5.50
and 0.95%, respectively, while they were 92.50, 3.76, 0.36, 1.00 and 2.07% in
rehydrated sample. The antioxidant activity in fresh and rehydrated samples were equal to
0.063 and 0.060 mg vitamin C/g dry sample, respectively. The IC50 in fresh sample was
5.26 while in the rehydrated sample was 4.14. Total phenol content of fresh and rehydrated
samples were equal to 0.22 and 0.19 mg gallic acid/g dry sample, repectively. The
flavonoid contents in fresh and rehydrated samples were equal to 3.86 and 5.02 mg
Quercetin/g dry sample, respectively. The amounts of protein and ash in fresh sample were
significantly higher than rehydrated sample with significant difference (p〈0.05). Moisture in
rehydrated sample was significantly higher than fresh sample with significant difference
(p〈0.05). There were no significant difference between fresh and rehydrated samples in terms
of their phenon and flavonoid contents. The DPPH radical scavenging capacity was
significantly higher in the fresh sample compared to the rehydrated sample with significant
difference(p〈0.05). It can be concluded that this species of fresh sea cucumber has more
antioxidant activity than rehydrated (after drying) sea cucumber and more beneficial to be
used in pharmaceutical and food industries.
Description:
Published
Keywords:
Antioxidant
;
Activity
;
Cucumber
;
Holothuria parava
;
Proximate composition
;
Free radicals
;
DPPH
;
Phenols
;
Flavonoids
;
Evaluation
;
Sea cucumber
Repository Name:
AquaDocs
Type:
Journal Contribution
,
Refereed
Format:
pp.77-86
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