A novel aspartic protease inhibitor inhibits the enzymatic browning of potatoes

Dong, Tiantian; Cao, Yu; Li, Guangcun; Zhu, Ziru; Zhang, Song; Jiang, Cai‐Zhong; Wang, Qingguo

doi:10.1016/j.postharvbio.2020.111353

Cited by 25 publications

(7 citation statements)

References 51 publications

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“…Similarly, in MSP treatment, the activities of T‐SOD, POD and CAT also had significant improvement. On the one hand, this might be attributed to the application of PASP which was proven to improve antioxidant enzyme activities (Dong et al, 2021). On the other hand, because of the addition of MS, the content of Cd and As available in the soil was reduced, thus alleviating the stress on rice.…”

Section: Resultsmentioning

confidence: 99%

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Magnesium slag for remediation of cadmium‐ and arsenic‐contaminated paddy soil: A field study

Zhang

Tan

Duan

et al. 2022

Soil Use and Management

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The accumulation of heavy metals like cadmium (Cd) and metalloids like arsenic (As) in plants can do harm to human health through the food chain, especially through the rice (Oryza sativa L.). To solve this problem, this study researched the application of magnesium slag (MS) and polyaspartic acid (PASP), which could accelerate rice growth and improve yield, increase soil pH and activate rice enzyme activity as well as reduce the bioavailability of Cd and As in the soil. After these two different treatments, rice yield increased by 17.0% and 18.9%, respectively. Meanwhile, the bioavailable As decreased by 49.1% and 42.5%, while the bioavailable Cd reduced by 72.6% and 44.3%. Besides, the Cd content in rice grains reduced by 77.7% and 17.3%, respectively, after two different treatments. In the MS treatment, the As content in rice grains was reduced by 21.8%, but showed no significant response to the other treatment. The contents of bioavailable Cd and As (determined by one‐step extraction) in soil were decreased by MS and PASP, which was favourable for the reduction of Cd and As accumulation in rice. The health risk assessment showed that the application of passivators can effectively reduce the risk of carcinogenesis, but it was still unacceptable. The application dose of MS and PASP still needs further exploration.

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Section: Resultsmentioning

confidence: 99%

“…Similarly, in MSP treatment, the activities of T-SOD, POD and CAT also had significant improvement. On the one hand, this might be attributed to the application of PASP which was proven to improve antioxidant enzyme activities (Dong et al, 2021).…”

Section: Effect Of Passivators On Rice Enzyme Activitymentioning

confidence: 99%

Magnesium slag for remediation of cadmium‐ and arsenic‐contaminated paddy soil: A field study

Zhang

Tan

Duan

et al. 2022

Soil Use and Management

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“…In a latest study, Dong et al. (2021) found an increased transcript level of a novel aspartic protease inhibitor gene, namely StASPI , in ‘browning‐resistant’ potatoes. The authors cloned the StASPI from potato tuber and over‐expressed it in potato plants.…”

Section: Anti‐browning Methodsmentioning

confidence: 99%

Recent advances in anti‐browning methods in minimally processed potatoes—A review

Tsikrika

Tzima

Dilip

2022

Food Processing Preservation

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Potato is one of the most important and common tubers for human consumption globally, constituting an excellent source of energy and nutrients. In modern times, there is an increasing demand of minimally processed, that is, ready‐to‐cook, potatoes as a result of a busy lifestyle and/or preference for convenience of consumers. However, minimally processed potatoes are prone to enzymatic browning which is the main challenge of industrial potato processing. The use of chemicals such as sulfites as anti‐browning agents is being questioned for health‐safety since they are categorized as severe allergens. The potato processing industry is thus looking for alternative methods of preservation to prevent browning. This review summarizes critical information on anti‐browning methods of minimally processed potato products providing key‐findings of studies using various heating treatments, anti‐browning chemical agents, packaging formulations, and emerging non‐thermal technologies. Novelty impact statement Consumption of minimally processed potatoes has increased owing to their convenience for commercialization. However, the partial processing causes an increase in the perishability of potatoes. This review covers recent progress and advances in anti‐browning methods of minimally processed potatoes that can be used as alternatives or complementary to the conventional methods.

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“…Cell membrane integrity takes on critical significance to the anti-browning activity of browning-associated enzymes and substrates during storage of fruits and vegetables [61]. The integrity of the cell membrane is significantly correlated with the content of ROS, showing a close association with the content of non-enzymatic antioxidants (e.g., ascorbic acid and total flavonoids) and the activity of APX and SOD [62]. With the senescence of fruits and vegetables, their antioxidant capacity is reduced, and ROS continues to accumulate.…”

Section: Active Oxygen Metabolismmentioning

confidence: 99%

Study on the Regulation Mechanism of 1-MCP Combined with SO2 Treatment on Postharvest Senescence of Bamboo Shoots (Chimonobambusa quadrangularis) in Karst Mountain Area

Wang

et al. 2023

Agronomy

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Fresh bamboo shoots (Chimonobambusa quadrangularis) are subjected to senescence (e.g., lignification and browning) during postharvest storage. This study investigated the effects of 1-MCP and SO2 treatment on bamboo shoot senescence and its regulation mechanism in order to extend bamboo shoot storage time. 1-MCP and SO2 treatments significantly inhibited the browning and lignification of fresh bamboo shoots during storage, according to the results. Its lower browning index and lignin content are directly related to its lower lignin content compared to the CK control group. The browning index and lignin content of the 1-MCP + SO2 treatment during the late storage period were 90.55% and 81.50% of the CK treatment, respectively. The result of the in-depth analysis suggested that 1-MCP and SO2 treatments reduced nutrient loss and maintained the nutritional value of bamboo shoots by inhibiting respiration and physiological metabolism. The PPO activity was inhibited to inhibit the browning process. Moreover, the scavenging ability of ROS was enhanced, the accumulation of MDA was inhibited, and the senescence of bamboo shoots was delayed after higher contents of total flavonoids and ascorbic acid were maintained and the activities of ascorbic acid peroxidase and superoxide dismutase were stimulated. Furthermore, lignin biosynthesis was hindered, and the lignification of bamboo shoots was delayed after the activities of POD and PAL were inhibited. In brief, 1-MCP + SO2 treatment is capable of inhibiting the physiological metabolism, browning, and lignification of bamboo shoots, maintaining good quality during storage, and delaying the senescence of bamboo shoots. Clarifying the senescence mechanism of bamboo shoots is of great significance for expanding the bamboo shoot industry and slowing down rocky desertification in karst mountainous areas.

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A novel aspartic protease inhibitor inhibits the enzymatic browning of potatoes

Cited by 25 publications

References 51 publications

Magnesium slag for remediation of cadmium‐ and arsenic‐contaminated paddy soil: A field study

Magnesium slag for remediation of cadmium‐ and arsenic‐contaminated paddy soil: A field study

Recent advances in anti‐browning methods in minimally processed potatoes—A review

Study on the Regulation Mechanism of 1-MCP Combined with SO2 Treatment on Postharvest Senescence of Bamboo Shoots (Chimonobambusa quadrangularis) in Karst Mountain Area

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