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Spectrophotometric determination of morin in strawberries and their antioxidant activity

Spektrofotometrijsko određivanje sadržaja morina u jagodama i njihove antioksidantne aktivnosti

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2021
Spectrophotometric_determination_of_pub_2021.pdf (425.9Kb)
Authors
Pavun, Leposava
Janošević-Ležaić, Aleksandra
Uskoković-Marković, Snežana
Article (Published version)
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Abstract
Morin is one of the flavonoids with intensive antioxidant activity. With the aim to use its benefits on human health, there is an increasing trend to pay attention to its content in food or supplements. The simplicity and low cost of spectrophotometric determination based on the formation of a morin complex with Zn2+ ion (stoichiometric ratio 1 : 1), at pH 7.98 and 392 nm, give it an advantage over other methods that can be used for morin quantification. The concentration range over which the response was linear was 0.151 – 4.533 mg L-1. The limit of detection (LOD) and the limit of quantification (LOQ) were 0.030 mg L-1 and 0.091 mg L-1, respectively. The developed method was successfully applied for the determination of the morin content in strawberries. Additionally, the antioxidative abilities of strawberry extracts and morin, determined by DPPH and FRAP tests, were compared and discussed.
Morin je jedan od flavonoida sa vrlo izraženom antioksidantnom aktivnošću. Sa ciljem korišćenja njegovih pozitivnih efekata na ljudsko zdravlje, u porastu je trend interesovanja za njegov sadržaj u hrani ili suplementima. U radu je predstavljena jednostavna i pristupačna spektrofotometrijska metoda određivanja morina, zasnovana na formiranju kompleksa morina sa Zn2+ jonom (u stehiometrijskom odnosu 1 : 1, na pH 7,98 i 392 nm), što joj daje prednost u odnosu na druge metode koje se mogu koristiti za kvantifikaciju morina. Metoda pokazuje linearnost odgovora u koncentracionom opsegu 0,151 - 4,533 mg L-1, pri čemu limit detekcije (LOD) iznosi 0,030 mg L-1 a limit kvantifikacije metode (LOQ) je 0,091 mg L-1. Razvijena metoda je uspešno primenjena za određivanje sadržaja morina u jagodama. Takođe, prikazani su i komentarisani rezultati određivanja antioksidativne aktivnosti jagoda i morina, DPPH i FRAP testovima.
Keywords:
Morin / strawberries / spectrophotometry / zinc complex / jagode / spektrofotometrija / cink kompleks
Source:
Arhiv za farmaciju, 2021, 71, 1, 55-71
Publisher:
  • Beograd : Savez farmaceutskih udruženja Srbije
Projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200161 (University of Belgrade, Faculty of Pharmacy) (RS-200161)

DOI: 10.5937/arhfarm71-30503

ISSN: 0004-1963

Scopus: 2-s2.0-85103292256
[ Google Scholar ]
URI
https://farfar.pharmacy.bg.ac.rs/handle/123456789/3809
Collections
  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy
TY  - JOUR
AU  - Pavun, Leposava
AU  - Janošević-Ležaić, Aleksandra
AU  - Uskoković-Marković, Snežana
PY  - 2021
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/3809
AB  - Morin is one of the flavonoids with intensive antioxidant activity. With the aim to use its benefits on human health, there is an increasing trend to pay attention to its content in food or supplements.  The  simplicity  and low  cost  of  spectrophotometric determination  based  on  the formation of a morin complex with Zn2+ ion (stoichiometric ratio 1 : 1), at pH 7.98 and 392 nm, give  it  an  advantage  over  other  methods  that  can  be  used  for  morin  quantification.  The concentration range over which the response was linear was 0.151 – 4.533 mg L-1. The limit of detection (LOD) and the limit of quantification (LOQ) were 0.030 mg L-1 and 0.091 mg L-1, respectively. The developed method was successfully applied for the determination of the morin content in strawberries. Additionally, the antioxidative abilities of strawberry extracts and morin, determined by DPPH and FRAP tests, were compared and discussed.
AB  - Morin je jedan od flavonoida sa vrlo izraženom antioksidantnom aktivnošću. Sa ciljem korišćenja njegovih pozitivnih efekata na ljudsko zdravlje, u porastu je trend interesovanja za njegov sadržaj u hrani ili suplementima. U radu je predstavljena jednostavna i pristupačna spektrofotometrijska metoda određivanja morina, zasnovana na formiranju kompleksa morina sa Zn2+ jonom (u stehiometrijskom odnosu 1 : 1, na pH 7,98 i 392 nm), što joj daje prednost u odnosu na druge metode koje se mogu koristiti za kvantifikaciju morina. Metoda pokazuje linearnost odgovora u koncentracionom opsegu 0,151 - 4,533 mg L-1, pri čemu limit detekcije (LOD) iznosi 0,030 mg L-1 a limit kvantifikacije metode (LOQ) je 0,091 mg L-1. Razvijena metoda je uspešno primenjena za određivanje sadržaja morina u jagodama. Takođe, prikazani su i komentarisani rezultati određivanja antioksidativne aktivnosti jagoda i morina, DPPH i FRAP testovima.
PB  - Beograd : Savez farmaceutskih udruženja Srbije
T2  - Arhiv za farmaciju
T1  - Spectrophotometric determination of morin in strawberries and their antioxidant activity
T1  - Spektrofotometrijsko određivanje sadržaja morina u jagodama i njihove antioksidantne aktivnosti
VL  - 71
IS  - 1
SP  - 55
EP  - 71
DO  - 10.5937/arhfarm71-30503
ER  - 
@article{
author = "Pavun, Leposava and Janošević-Ležaić, Aleksandra and Uskoković-Marković, Snežana",
year = "2021",
url = "https://farfar.pharmacy.bg.ac.rs/handle/123456789/3809",
abstract = "Morin is one of the flavonoids with intensive antioxidant activity. With the aim to use its benefits on human health, there is an increasing trend to pay attention to its content in food or supplements.  The  simplicity  and low  cost  of  spectrophotometric determination  based  on  the formation of a morin complex with Zn2+ ion (stoichiometric ratio 1 : 1), at pH 7.98 and 392 nm, give  it  an  advantage  over  other  methods  that  can  be  used  for  morin  quantification.  The concentration range over which the response was linear was 0.151 – 4.533 mg L-1. The limit of detection (LOD) and the limit of quantification (LOQ) were 0.030 mg L-1 and 0.091 mg L-1, respectively. The developed method was successfully applied for the determination of the morin content in strawberries. Additionally, the antioxidative abilities of strawberry extracts and morin, determined by DPPH and FRAP tests, were compared and discussed., Morin je jedan od flavonoida sa vrlo izraženom antioksidantnom aktivnošću. Sa ciljem korišćenja njegovih pozitivnih efekata na ljudsko zdravlje, u porastu je trend interesovanja za njegov sadržaj u hrani ili suplementima. U radu je predstavljena jednostavna i pristupačna spektrofotometrijska metoda određivanja morina, zasnovana na formiranju kompleksa morina sa Zn2+ jonom (u stehiometrijskom odnosu 1 : 1, na pH 7,98 i 392 nm), što joj daje prednost u odnosu na druge metode koje se mogu koristiti za kvantifikaciju morina. Metoda pokazuje linearnost odgovora u koncentracionom opsegu 0,151 - 4,533 mg L-1, pri čemu limit detekcije (LOD) iznosi 0,030 mg L-1 a limit kvantifikacije metode (LOQ) je 0,091 mg L-1. Razvijena metoda je uspešno primenjena za određivanje sadržaja morina u jagodama. Takođe, prikazani su i komentarisani rezultati određivanja antioksidativne aktivnosti jagoda i morina, DPPH i FRAP testovima.",
publisher = "Beograd : Savez farmaceutskih udruženja Srbije",
journal = "Arhiv za farmaciju",
title = "Spectrophotometric determination of morin in strawberries and their antioxidant activity, Spektrofotometrijsko određivanje sadržaja morina u jagodama i njihove antioksidantne aktivnosti",
volume = "71",
number = "1",
pages = "55-71",
doi = "10.5937/arhfarm71-30503"
}
Pavun L, Janošević-Ležaić A, Uskoković-Marković S. Spektrofotometrijsko određivanje sadržaja morina u jagodama i njihove antioksidantne aktivnosti. Arhiv za farmaciju. 2021;71(1):55-71
Pavun, L., Janošević-Ležaić, A.,& Uskoković-Marković, S. (2021). Spektrofotometrijsko određivanje sadržaja morina u jagodama i njihove antioksidantne aktivnosti.
Arhiv za farmacijuBeograd : Savez farmaceutskih udruženja Srbije., 71(1), 55-71.
https://doi.org/10.5937/arhfarm71-30503
Pavun Leposava, Janošević-Ležaić Aleksandra, Uskoković-Marković Snežana, "Spektrofotometrijsko određivanje sadržaja morina u jagodama i njihove antioksidantne aktivnosti" 71, no. 1 (2021):55-71,
https://doi.org/10.5937/arhfarm71-30503 .

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