The Potential of Tree Fruit Stone and Seed Wastes in Greece as Sources of Bioactive Ingredients

Ordoudi, Stella A.; Bakirtzi, Christina; Tsimidou, Maria Z.

doi:10.3390/recycling3010009

Cited by 29 publications

(23 citation statements)

References 82 publications

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“…The plant sources of bioactive compounds are considered as more desirable due to their natural origin. At least few fruits crops generate during processing a large number of seeds/kernels, which could be considered as a potential raw material for further processing, for instance as a source of the oil . Grape seeds with the estimated production 2–5 millions of tons per year are most probably the number one by‐product used for oil extraction despite the rather medium oil content (6.6–13.6%) as well as belongs to the most extent studied seed.…”

Section: Introductionmentioning

confidence: 99%

Impact of the Extraction Technique and Genotype on the Oil Yield and Composition of Lipophilic Compounds in the Oil Recovered from Japanese Quince (Chaenomeles japonica) Seeds

Górnaś

Siger

Rudzińska

et al. 2018

Euro J Lipid Sci & Tech

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The impact of the extraction technique and genotype on the oil yield and profile/concentration of fatty acids, tocopherols, sterols, and squalene in oil obtained from the seeds of three Japanese quince (Chaenomeles japonica) cultivars (“Rondo,” “Darius,” and “Rasa”) are studied. The oil recovery from Japanese quince seeds is affected by two factors; extraction technique, and genotype. The lowest oil recovery is recorded for the cold‐press method and cv. “Rondo,” and the highest for ultrasonic extractions and cv. “Rasa.” The profile of fatty acids in Japanese quince seed oil is dominated by three fatty acids C18:2, C18:1, and C16:0. The extraction method does not impact fatty acid and tocopherol composition as well as squalene content, as opposed to genotype, which has a statistically significant impact. The composition of tocopherols in the Japanese quince seed oil is dominated by the α‐T (97%), while the β‐T and γ‐T constituted only minor level (below 2% of each). The extraction type and genotype have a significant impact on the composition of the most of sterols. Regardless of the type of extraction and genotype, the β‐sitosterol consists of over 80% of total sterols in Japanese quince seed oil. The plant genotype is the key factor, which determines the profile of the fatty acids and the concentration of bioactive compounds in the extracted oil from Japanese quince seed, while the extraction technique plays a secondary role. Practical Applications: The agro‐industrial by‐products generated by the fruit industry, for example, seeds, continue to rise year to year. One of the more popular processed fruit crop is Japanese quince (Chaenomeles japonica). This study demonstrates the impact of the extraction technique (four methods of extractions: cold‐pressing, supercritical CO2 fluid, ultrasound‐assisted, and Soxhlet) and genotype (three cultivars “Rondo,” “Darius,” and “Rasa”) on oil yield, fatty acid profile, and concentration of tocopherols, sterols, and squalene. Provided information can help with more efficient utilization of the tonnes of seeds generated by the fruit industry and consequently contributing to the more effective use of harvested plant material as well as health, economic, and environmental benefits. The impact of the extraction technique and genotype on the oil yield and profile/concentration of fatty acids, tocopherols, sterols and squalene in oil obtained from the seeds of three Japanese quince (Chaenomeles japonica) cultivars (“Rondo,” “Darius,” and “Rasa”) are studied. The plant genotype is the key factor which determines the profile of the fatty acids and the concentration of bioactive compounds in the extracted oil from Japanese quince seed, while the extraction technique plays a secondary role.

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Section: Introductionmentioning

confidence: 99%

Impact of the Extraction Technique and Genotype on the Oil Yield and Composition of Lipophilic Compounds in the Oil Recovered from Japanese Quince (Chaenomeles japonica) Seeds

Górnaś

Siger

Rudzińska

et al. 2018

Euro J Lipid Sci & Tech

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“…A significant fat content difference for the WOS of six olive varieties was observed ( p < 0.05). The olive fruit and seed oil contents reported in the literatures were in the ranges of 12–50%, and 2–10%, respectively. The kernel oil yields of six olive varieties cultivated in Saveh Agricultural Research Center were ranged from 15.0 ± 0.17 to 38.8 ± 0.27 μg g −1 .…”

Section: Resultsmentioning

confidence: 97%

“…The results of β‐sitosterol values of all WOSOs were in the specified range of the VOO commercial standard . The olive seed (non woody part of stone) oil was found to be richer in sterols, especially in β–sitosterol, comparing the VOO …”

Section: Resultsmentioning

confidence: 99%

“…[21] Moreover, all WOSOs were richer in total PUFAs because of their higher contents of linoleic acid. [8,20] Other quantitatively major sterol compounds in the six WOSO varieties were campesterol (2.24-8.62%), and stigmasterol (0.67-3.66%), respectively. The highest and lowest quantities for linoleic acid were respectively related to the Shengeh (21.00 AE 0.00%) and Zard (14.10 AE 0.18%) varieties.…”

Section: Oil Content Saponification Iodine and Unsaponifiable Mattmentioning

confidence: 99%

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Antioxidant Capacity, Phenolic Composition and Physicochemical Characteristics of Whole Olive Stone Oil Extracted from Different Olive Varieties Grown in Iran

Khadem

Rashidi²,

Homapour

2019

Euro J Lipid Sci & Tech

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In this study, the physicochemical properties and bioactive contents of whole olive stone oils (WOSOs) extracted from six olive varieties, including Zard, Roughani, Mari, Shengeh, Koroneiki, and Manzanilla, cultivated in the city of Fasa, Iran, are investigated. Therefore, fatty acids (FAs), sterols, and triacylglycerols (TAGs) contents, equivalent carbon number (ECN), saponification, iodine, and unsaponifiable matter values, and phenolic contents of each WOSO are analyzed. The lowest and highest fat content of six WOS varieties are obtained as 2.41 and 5.41%, respectively. The results from saponification value, iodine value, and unsaponifiable matter tests on different varieties of WOSO are respectively ranged from 192.27 to 192.30 (mg KOH/g fat), from 82.80 to 93.35 (mg I2/g fat) and from 0.03 to 0.32 (%). β‐sitosterol is found as the predominant sterol in the WOSO. TAGs with one FA, triolein (OOO, 19.29–28.12%), followed by TAGs with two FAs, oleic‐oleic‐linoleic (OOL, 17.36–23.93%), and then those with three FAs, palmitic‐linoleic‐oleic (PLO, 8.36–11.73%), are the predominant TAGs in the WOSO. Oleic acid and ferulic acid are respectively found as the predominant FA and phenolic compounds in the WOSO. The influence of the olive variety on physicochemical properties and bioactive contents of the WOSO is observed. Practical Applications: The main outcome of this study shows that the determination of FA, sterol, and TAG compositions of WOSO can be applied for the differentiation of olive variety. In addition, determination of the main parameters of chemical properties and bioactive contents of WOSO can be of importance for its further application in different industries, including the food industry, cosmetics, animal food, etc. Results show that this oil can be used as a natural source of polar phenol compounds for human consumption. Using WOSO for human consumption or the pharmaceutical industry can help to reduce waste disposal problems. The whole olive stone (WOS) is known as an important byproduct generated in the olive oil extraction. Special physicochemical properties of whole olive stone oil (WOSO) are shown that this oil is a rich source of polar phenol and bioactive compounds. Results are shown that fatty acids, sterols, and triacylglycerols composition of WOSO depend on the olive cultivar. WOSO has similar the physicochemical properties and bioactive content as olive oil.

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“…Large amounts of PP leaves are by-products derived from peach tree cultivation and the fruit canning industries [ 33 ]. The by-products of PP seeds, fruits, and other leaf varieties have been evaluated in cosmetics and as dietary food for potential valorization [ 32 , 34 , 35 ]. However, to the best of our knowledge, the leaves by-products of PP var.…”

Section: Introductionmentioning

confidence: 99%

A Unique Acylated Flavonol Glycoside from Prunus persica (L.) var. Florida Prince: A New Solid Lipid Nanoparticle Cosmeceutical Formulation for Skincare

et al. 2021

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Polyphenols are known dietary antioxidants. They have recently attracted considerable interest in uses to prevent skin aging and hyperpigmentation resulting from solar UV-irradiation. Prunus persica (L.) leaves are considered by-products and were reported to have a remarkable antioxidant activity due to their high content of polyphenols. This study aimed at the development of a cosmeceutical anti-aging and skin whitening cream preparation using ethanol leaves extract of Prunus persica (L.) (PPEE) loaded in solid lipid nanoparticles (SLNs) to enhance the skin delivery. Chemical investigation of PPEE showed significantly high total phenolic and flavonoids content with notable antioxidant activities (DPPH, ABTS, and β-carotene assays). A unique acylated kaempferol glycoside with a rare structure, kaempferol 3-O-β-4C1-(6″-O-3,4-dihydroxyphenylacetyl glucopyranoside) (KDPAG) was isolated for the first time and its structure fully elucidated. It represents the first example of acylation with 3,4-dihydroxyphenyl acetic acid in flavonoid chemistry. The in-vitro cytotoxicity studies against a human keratinocytes cell line revealed the non-toxicity of PPEE and PPEE-SLNs. Moreover, PPEE, PPEE-SLNs, and KDPAG showed good anti-elastase activity, comparable to that of N-(Methoxysuccinyl)-Ala-Ala-Pro-Val-chloromethyl ketone. Besides, PPEE-SLNs and KDPAG showed significantly (p < 0.001) higher anti-collagenase and anti-tyrosinase activities in comparison to EDTA and kojic acid, respectively. Different PPEE-SLNs cream formulae (2% and 5%) were evaluated for possible anti-wrinkle activity against UV-induced photoaging in a mouse model using a wrinkle scoring method and were shown to offer a highly significant protective effect against UV, as evidenced by tissue biomarkers (SOD) and histopathological studies. Thus, the current study demonstrates that Prunus persica leaf by-products provide an interesting, valuable resource for natural cosmetic ingredients. This provides related data for further studying the potential safe use of PPEE-SLNs in topical anti-aging cosmetic formulations with enhanced skin permeation properties.

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The Potential of Tree Fruit Stone and Seed Wastes in Greece as Sources of Bioactive Ingredients

Cited by 29 publications

References 82 publications

Impact of the Extraction Technique and Genotype on the Oil Yield and Composition of Lipophilic Compounds in the Oil Recovered from Japanese Quince (Chaenomeles japonica) Seeds

Impact of the Extraction Technique and Genotype on the Oil Yield and Composition of Lipophilic Compounds in the Oil Recovered from Japanese Quince (Chaenomeles japonica) Seeds

Antioxidant Capacity, Phenolic Composition and Physicochemical Characteristics of Whole Olive Stone Oil Extracted from Different Olive Varieties Grown in Iran

A Unique Acylated Flavonol Glycoside from Prunus persica (L.) var. Florida Prince: A New Solid Lipid Nanoparticle Cosmeceutical Formulation for Skincare

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