Enhancement of oleanolic acid concentration through acid hydrolysis of saponin-rich extracts from Chenopodium berlandieri.
Food Chem
; 449: 139254, 2024 Aug 15.
Article
en En
| MEDLINE
| ID: mdl-38583403
ABSTRACT
The study investigated Chenopodium berlandieri to analyze its oleanolic acid (OA) content. Response surface methodology with central composite design was used to improve saponin extraction, varying temperature, ethanol, and sample-to-solvent ratio. Best conditions (65 °C, 50% ethanol, 110 ratio) yielded 53.45 ± 0.63 mg/g of extract from Huauzontle seeds. Temperature linearly impacted extract yield, while temperature and ethanol influenced total saponin content. Hydrolyzing saponin-rich extracts produced OA-rich extracts. Characterization via HPLC-ELSD and LC-MS identified OA4 as the most concentrated OA saponin (5.54 ± 0.16 mg/g). OA alone reached 2.02 ± 0.12 mg/g. Acid hydrolysis increased OA content by up to 3.27×, highlighting the potential of hydrolyzed Huauzontle extracts as a natural ingredient for various industries due to enhanced OA content.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Ácido Oleanólico
/
Saponinas
/
Extractos Vegetales
/
Chenopodium
Idioma:
En
Revista:
Food Chem
Año:
2024
Tipo del documento:
Article
País de afiliación:
México