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TIP. Revista especializada en ciencias químico-biológicas

versión impresa ISSN 1405-888X

TIP vol.22  Ciudad de México  2019  Epub 04-Mar-2020 

Artículos originales

Valorization of mango (Mangifera indica L.) pericarp powders as an alternative for the generation of functional foods

Valoración de polvos de cáscara de mango (Mangifera indica L.) como una alternativa para la generación de alimentos funcionales

Eber Quintana-Obregón1 

César San Martín-Hernández1 

María Muy-Rangel2 

Manuel Vargas-Ortiz1  *

1CONACYT-CIAD, Centro de Investigación en Alimentación y Desarrollo, A.C., Coordinación Culiacán, Carretera El Dorado Km. 5.5, Col. Campo El Diez, Culiacán 80110, Sinaloa, México.

2Centro de Investigación en Alimentación y Desarrollo, A.C., Coordinación Culiacán.


Mango pericarp powders (Mangifera indica L.) of Ataulfo, Keitt and Tommy Atkins cultivars were obtained by dehydration and grinding. The content of moisture, ash, fat, dietary fiber, antioxidant capacity and total phenols was evaluated. The cultivar with functional ingredient potential was Ataulfo with antioxidant capacity of 34,811 μmol)! ET g-1 and 7578 mg EAG 100 g-1 total phenol, and dietary fiber ~ 20 %. All three cultivars can be considered as ingredients for adding or enriching fiber in food formulations.

Key Words: mango; pericarp; nutritional; functional; powder


Los polvos de pericarpio de mango (Mangifera indica L.) de los cultivares Ataulfo, Keitt y Tommy Atkins se obtuvieron por deshidratación y molienda. Se evaluó el contenido de humedad, ceniza, grasa, fibra, capacidad antioxidante y fenoles totales. El cultivar con potencial de ingrediente funcional fue Ataulfo, en el que el polvo del pericarpio mostró una capacidad antioxidante de 34,811 μmol ET g-1 y 7578 mg de EAG 100 g-1 de fenoles totales. Los tres cultivares evaluados pueden considerarse como ingredientes para agregar o enriquecer la fibra en formulaciones de alimentos.

Palabras Clave: mango; pericarpio; nutricional; funcional; polvo


The mango production in Mexico (Mangifera indica L.) has managed to stay at one million tons per year for the last decade. Among the cultivars with the largest cultivated areas are Ataulfo, Manila, Tommy Atkins, Haden, Kent, Keitt and Criollo (SIAP, 2017). The mango consumption is mainly as fresh fruit, but also is processed into value-added products such as juices, jams, candies, frozen and dried, among others (Siddiq, Sogi & Roidoung, 2017). However, the industrial processing generates waste by-products, which are not commercially exploited. These wastes, composed primarily of pericarp, endocarp and cotyledon, represent 28 to 38 % of the total content of the fruit (Sumaya-Martínez, Sánchez-Herrera, Torres-García & García-Paredes, 2012) and when not used, generate environmental problems due to microbial development and unpleasant odors formed by their decomposition (Jahurul et al., 2015). Furthermore, the consumption of functional foods has become popular in recent years and is defined by the Functional Food Center (FFC) "as natural or processed foods that contains known or unknown biologically-active compounds; the foods, in defined, effective, and non-toxic amounts, provide a clinically proven and documented health benefitfor the prevention, management, or treatment of chronic disease" (Martirosyan & Singh, 2015). Mango peel contains antioxidants and dietary fiber and can be used in food preparations for the health benefits (Serna-Cook, García-Gonzales & Torres-León, 2016; Ajila, Aalami, Leelavathi & Rao, 2010). For those reasons, the aim of this study was to characterize the nutritional content and antioxidant capacity of pericarp powders of Ataulfo mango, Keitt and Tommy Atkins cultivars for possible applications in value-added products.

Materials and methods

Mangos of Ataulfo, Keitt and Tommy Atkins cultivars in state of maturity for consumption produced in Escuinapa, Sinaloa, were collected from June to September 2017 at harvest maturity. The pericarp was manually separated at the Laboratory of Protected Agriculture and Postharvest CIAD Culiacán and stored at -20 °C until use. Subsequently, it was dehydrated for five hours at 80 °C (Excalibur® dehydrator, model Comm 2). The particle size was reduced using a Pulvex 200® mill (0 2 mm) and stored in Ziploc® bags at room temperature. The powders obtained were characterized with the protocols of the AOAC (AOAC, 1998) in moisture content (920.39), ash (942.05), protein (988.05), fat (920.39), and minerals (955.06). The total dietary fiber, soluble and insoluble, was determined using the method 32-05.01 of the AACC (McCleary, Sloane, Draga & Lazewska, 2013). Finally, the proximal carbohydrate content was calculated by difference: % carbohydrates = [100 - (% ash + % moisture + % fat + % protein)].

Total phenols

The phenolic compounds were extracted according to Adom & Liu (2002) and Vázquez-Olivo, López-Martínez, Contreras-Angulo & Heredia (2017) with modifications. Briefly, samples of pericarp powder (2.5 g) were mixed with 10 mL of 80 % ethanol (v v-1), homogenized 10 s (Ultra-Turrax, homogenizer) and incubated for two hours with shaking at 200 rpm at room temperature (25 °C). Then, they were centrifuged (10, 000 rpm) (Thermo Fisher Scientific®, Sorvall Legend XTR) for 15 minutes at 4 °C. In a 96-well microplate, 10 μL extract, 10 μl of blank (ethanol 80 %) and standard curve of gallic acid in concentrations of 0 to 0.4 mg mL-1 (10 μL per concentration) diluted in ethanol 80 % (v v-1) were separately distributed. To each treatment, 230 μL of distilled water and 10 μL de of Folin-Ciocalteu reagent (2 N) were added and incubated for three minutes at 25 °C in the absence of light. Then 25 μL of Na2CO3 (4 N) was added, incubated for 2 h at 25 °C and the absorbance measured at 725 nm in microplate reader (Synergy HT, BioTek®, Co. EUA). The content of total phenols was determined from the standard curve of gallic acid, and the results were expressed in mg equivalent of gallic acid per 100 g (mg EAG 100 g-1).

Antioxidant Capacity

The antioxidant capacity was quantified by the ORAC method (Oxygen Radical Aborbance Capacity), as reported by Huang, Ou, Hampsch-Woodill, Flanagan & Prior (2002), and modified by Vázquez-Olivo, López-Martínez, Contreras-Angulo & Heredia (2017). AAPH (2,2-azo-bis-2-methylpropanamide dihydrochloride, Sigma-Aldrich®) and fluorescein (Sigma-Aldrich®) were used. The standard Trolox curve was prepared with the concentrations: 6.25, 12.5, 25, 50, 75, 100 y 125 μM. The measurements were performed in 96-wells plates with a Synergy HT microplate reader (BioTek®, Co. EUA) at 37 °C. The results were expressed in μmol equivalents of Trolox per 100 g μmol ET 100 g-1).

Experiment design and statistical analysis

The design of the experiment was completely random of one factor (cultivar). Mean (n=3) and standard deviations of the response variables were obtained and an analysis of variance (ANOVA) was performed with subsequent comparisons of statistical groups with the Tukey test (p≤0.05) utilizing the statistical program JMP V5. 5.0 (USA).

Results and discussion

The proximal analysis of the mango pericarp powders of Ataulfo, Keitt and Tommy Atkins is shown in Table I. In percentage of moisture, significant differences were found in ethereal extract and carbohydrates (p≤0.05) between cultivars. The pericarp powder Tommy Atkins contains higher moisture (8.57 %) compared to Keitt and Ataulfo. The lower content of water in pericarp powders of the Keitt and Ataulfo cultivars may be due to the differences in composition of the ethereal extract content, as having a higher concentration of hydrophobic compounds, and the hydrophobic repulsion with water eases its evaporation in the dehydrator. Regarding the percentage of moisture values, <6 % is suitable to maintain stability in food (Barbosa, Fontana, Schmidt & Labuza, 2007). In the mango pericarp powders of this study, the moisture contents were higher than 6 % and lower than 9 %; however, it could be reduced to the ideal percentage if the dehydration times are extended. Moreover, Ajila, Leelavathi & Rao (2008) report percentages of ethereal extract, ash and total protein in 2.2 %, 3.0 % and 3.6 %, respectively, for ripe mango dehydrated for 18 hours at 50 °C. Although the evaluated cultivar was not reported, its proximal composition is similar to the one obtained in this investigation. Also, similar results were found to those reported by Serna-Cock, Torres-León & Ayala-Aponte (2015a) where they report ethereal extracts of 1.87 % and 1.78 % for mango Keitt and Tommy Atkins, respectively.

Table I Proximal analysis of mango pericarp powder. 

Cultivar Moisture Ethereal extract Protein Ashes Carbohydrates
Ataulfo 6.96±0.43b 1.866±0.080b 2.573±0.899a 2.133± 0.038 a 92.95±0.797ab
Keitt 6.68±0.0.10b 2.27±0.048a 2.707±0.163a 2.074±0.113 a 92.955±0.105b
Tommy Atkins 8.57±0.09a 1.33±0.049c 1.980±0.477a 2.165±0.111 a 93.955±0.281a
Average percentages (n=3) and standard deviation expressed in a dry weigh basis. Means with different letter in columns are statistically different (Tukey, p≤0.05).

The Table II shows the mineral content. Significant differences were obtained (p<0.05) between cultivars. In Ataulfo, the minerals manganese (Mn), zinc (Zn), copper (Cu) and potassium (K) were higher than Keitt and Tommy Atkins cultivars. The content ofpotassium, calcium, magnesium (Mg) and manganese found in Ataulfo, Keitt and Tommy Atkins mango powders can be an alternative source of the micronutrients in food formulations ( Araújo et al, 2014).

Table II Mineral content of mango pericarp powder. 

Mineral (ppm) Mango cultivar
Ataulfo Keitt Tommy Atkins
Fe 16.49±2.47a 13.69±0.49a 17.16±2.93a
Mn 33.32±0.95a 18.92±0.56b 20.19±0.15b
Zn 7.98±0.09a 5.07±0.93b 6.02±0.11b
Cu 4.60±0.26a 2.10±0.14b 3.28±0.14c
K 8363.94±622.56a 6643±415.12b 6986±137.73b
Ca 3917.79±13.53a 2361.11±239.26b 3639.42±20.10a
Mg 1232.33±2.78a 949.42±99.9470b 1144.95±12.91a
Average concentrations (n=3) and standard deviation expressed in dry weight basis. Means with same letter in files are not statistically different (Tukey, p ≤ 0.05).

In antioxidant capacity and total phenols (Table III), the pericarp powder of Ataulfo cultivar showed significant differences (p≤0.05) with respect to Keitt and Tommy Atkins cultivars. The mango pericarp is a product with potential as an antioxidant. Among the phenolic compounds that can be found in this tissue are quercetin and its derivatives, ellagic acid, mangiferin and derivatives, carotenoids, tocopherols, and sterols, among others (Dorta, Lobo & González, 2012). García, García, Bello-Pérez, Sáyago-Ayerdi & Oca (2013) reported that the lyophilized pericarp of the Ataulfo mango resulted in a higher phenolic content (6813 mg EAG 100 g-1), as well as greater antioxidant capacity (1276 μmol ET 100 g-1 ) when compared to the pericarp of the Tommy Atkins cultivar. The results obtained in this study were higher in antioxidant capacity and phenol content (Table III).

Table III Antioxidant capacity and phenol content of mango pericarp powders. 

Cultivar Antioxidant capacity μmol ET 100 g-1) Phenol content (mg EAG 100 g-1)
Ataulfo 34811±2.96a 7578±10.09a
Keitt 27256±50.77b 5228±8.24b
Tommy Atkins 23270±9.38b 3857±5.35b
Average concentrations (n=3) and standard deviation expressed in dry weight basis. Means with different letter in columns are statistically different (Tukey, p ≤ 0.05).

The composition of antioxidants is of interest because there is a reduction of antioxidant compounds in dehydrated with the application of forced heat with temperature over 70 °C (Dorta, Lobo & González, 2012). However, the concentration of antioxidants obtained after dehydrated (80 °C) in mango pericarp powders does not affect the possible use for antioxidant properties.

The dietary fiber content obtained for mango pericarp powders can be considered as an ingredient for functional foods. This is because the total dietary fiber content of mango pericarps is superior to other commercial products considered high in dietary fiber, such as bread whole wheat and rye bread (Serna-Cock et al., 2015a; Serna-Cock et al., 2015b). The soluble and insoluble fiber contents in mango pericarp powders was higher than 19 % and 9 %, respectively for the three cultivars (Table IV). Serna-Cock, Torres-León & Ayala-Aponte (2015b) reported total fiber content (soluble and insoluble) for lyophilized powders of Keitt mango above 22 %. The pericarp powders of Ataulfo, Keitt and Tommy Atkins samples in this study contain 38, 28, and 39 %, respectively, of total fiber. However, Hincapíe, Vásquez, Galicia & Hincapíe (2014) reported the total dietary fiber content higher than 60 % for mangoes commercially obtained and crude fiber of 18 %, higher values to those obtained in this study. The differences in fiber content may be due to the process of water elimination, pre-harvest conditions and state of maturity of the mango, although in all cases, the fiber content can be considered high. Therefore, if the interest of obtaining pericarp powders is the use of total dietary fiber, the method used in this study may be acceptable.

Table IV Dietary fiber content of mango pericarp powder. 

Cultivar Soluble fiber Insoluble fiber
Ataulfo 23.84±4.61a 15.16±3.24a
Keitt 19.18±1.09a 9.73±4.89a
Tommy 23.31±4.16 a 16.53±0.26a
Average concentrations (n=3) and standard deviation expressed in dry weight basis. Means with same letter in columns are not statistically different (Tukey, p ≤ 0.05).

With respect to its use as an ingredient in food, functions due to its composition Serna-Cock, Torres-León & Ayala-Aponte (2015b) recommend the use of pericarp powders of Keitt and Tommy Atkins cultivars as emulsifying agents in the food industry, as well as constituents in the functional food formulation. In macaroni, Ajila, Aalami, Leelavathi & Rao (2010) incorporated mango peel and obtained major properties functional because an increase in antioxidant properties and dietary fiber from mango peel.


The mango pericarp powders of the Ataulfo, Keiit and Tommy Atkins cultivars can complement the nutritional and functional content in the food formulation due to their antioxidant capacity and fiber content. Future studies focusing on assessing the shelf life and use as an ingredient in functional foods could be carried in order to evaluate the potential of this ingredients as functional foods.


The authors are grateful for the financial support for this research FORDECYT 2017-10: "Estrategias multidisciplinarias para incrementar el valor agregado de las cadenas productivas del café, frijol, mango, agave mezcalero y productos acuícolas (tilapia) en la región Pacífico Sur a través de la ciencia, la tecnología y la innovación", application number: 292474.


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Received: January 14, 2019; Accepted: June 05, 2019

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