Cheddar grattugiato (shredded cheddar; latte vaccino)
Descrizione
Formaggio cheddar pronto all’uso tagliato in fili (fine o grossi), ottenuto da cheddar a bassa umidità con stagionatura da media a intensa per migliorare sfaldabilità, fusione e stabilità.
Profilo sensoriale: lattico pulito, nocciolato, da mild (breve stagionatura) a sharp (più lungo). Colore bianco o aranciato (con annatto).
Le confezioni commerciali includono spesso antiagglomeranti (es. cellulosa, amidi di patata/mais, solfato di calcio) e, dove consentito, natamicina superficiale antimuffa.
Valore calorico (per 100 g di prodotto)
~400–420 kcal; grassi ~33–35 g, proteine ~24–26 g, carboidrati ~1–3 g (lattosio in gran parte fermentato), sale ~1,5–2,0 g, umidità ~36–39%.
Alle porzioni tipiche (15–30 g) l’apporto energetico e di grassi saturi è rilevante → utile la moderazione.
Principali sostanze contenute
Grasso del latte (triacilgliceroli) con acidi grassi tipici dei latticini.
Proteine: matrice di caseina con ponti calcio-fosfato; residuo di sieroproteine.
Minerali: calcio e fosforo; sodio da salatura.
Coloranti opzionali: annatto (bixina/norbixina).
Coadiuvanti: antiagglomeranti per migliorare il flusso; natamicina anti-muffa dove consentita.
Marker analitici: % grasso, % umidità, % sale, pH ~5,1–5,4, % proteine, pezzatura dei fili/flowability, prove di fusione/allungamento.
Processo di produzione
Tecnologia cheddar: latte pastorizzato → inoculo con starter mesofili → coagulazione (caglio) → taglio/cottura → cheddaring e trinciatura → salatura → pressatura → stagionatura (da settimane a >12 mesi).
Grattugiatura e finitura: i blocchi stagionati vengono condizionati in temperatura, grattugiati (fine/fancy/grossi) → miscelati con antiagglomeranti (tip. ≤~2%) e, dove permesso, natamicina leggera → confezionati in sottovuoto o ATM (MAP: N₂/CO₂) in film barriera a luce/ossigeno.
Controlli sotto GMP/HACCP con CCP su pastorizzazione, trajettoria pH/culture, ricerca metalli, dosaggio additivi e tenuta sigillo.
Proprietà sensoriali e tecnologiche
Fusione: buona meltability e controllo dell’oil-off quando umidità/grasso e calcio sono bilanciati; il cheddar low-moisture offre fili puliti e fusione controllata.
Funzionalità: i fili si distribuiscono in modo uniforme, migliorando copertura e browning; dosi eccessive di antiagglomerante possono aumentare la viscosità delle salse e ridurre la fusione.
Aromi: proteolisi/lipolisi in stagionatura sviluppano note sapide, nocciolate, piccanti; le versioni arancioni sono sensorialmente simili alle bianche.
Impieghi alimentari
Pizza, quesadillas, tacos, nachos, mac & cheese, gratinate, burger/sandwich, zuppe e salse (aggiunta fuori bollore per limitare la grana), panificati salati (scones, biscuits).
Inclusione tipica: 10–30% in mix di formaggi/salse; dosi maggiori come topping per copertura/colore.
Nutrizione e salute
Ricco di proteine e calcio, ma anche energetico con sodio e grassi saturi significativi.
Lattosio basso (spesso <0,5 g/100 g) ma non sempre nullo.
Bilanciare la dieta con verdure/cereali integrali e porzioni moderate.
Profilo dei grassi
Schema tipico del cheddar: ~60–70% **SFA** (grassi saturi; eccessi possono aumentare LDL), ~25–33% **MUFA** (grassi monoinsaturi, soprattutto oleico; in genere favorevoli/neutralmente associati ai lipidi ematici), ~2–5% **PUFA** (grassi polinsaturi, linoleico/ALA; benefici se bilanciati).
Piccole quantità naturali di **TFA** (trans ruminanti, es. CLA) e quota **MCT** (trigliceridi a media catena) proprie del grasso del latte.
Nota salute: ove possibile, sostituire **SFA** con **MUFA**/**PUFA**; con il cheddar grattugiato la leva pratica è la porzione.
Qualità e specifiche (temi tipici)
Umidità ≤~39%, grasso sulla sostanza secca ≥~50%, sale 1,5–2,0%, pH 5,1–5,4.
Metriche dei fili: distribuzione pezzatura, flowability/indice di caking, fini/polveri, fusione/allungo/bolle in cottura.
Microbiologia: cariche basse; Listeria/Salmonella assenti/25 g; lieviti/muffe controllati (natamicina ove usata).
Additivi: antiagglomeranti entro limiti e dichiarati; annatto dichiarato se presente.
Conservazione e shelf-life
Conservare in frigorifero (0–4 °C). Shelf-life non aperto tipica 60–120 giorni (in base a stile e packaging).
Dopo l’apertura: 5–7 giorni ben sigillato; minimizzare ossigeno e umidità per evitare muffe e agglomerazione.
Congelamento: possibile per fili (qualità in genere accettabile); attesi piccoli cambi di texture dopo lo scongelamento.
Allergeni e sicurezza
Contiene latte (allergene maggiore).
Mantenere catena del freddo; usare utensili puliti per evitare ricontaminazioni.
Per prodotti ready-to-eat, controllo Listeria via igiene, monitoraggi ambientali e conservanti validati dove consentiti.
Funzioni INCI in cosmesi
Troubleshooting
Agglomerazione/flow scarso: umidità alta o antiagglomerante basso → migliorare barriera del pack, dosare antiagglomerante entro limiti, mantenere freddo/asciutto.
Fusione debole o poco filante: prodotto troppo secco o troppi antiagglomeranti → blend con mozzarella/Monterey Jack più umidi; ridurre T di cottura; verificare il dosaggio.
Oiling-off/superficie grassa: calore eccessivo o grasso alto → abbassare T di forno, ridurre tempo, scegliere cheddar low-moisture adeguato.
Muffe precoci: O₂ di testa alto o sigillo difettoso → controllare ATM/tenuta sigillo; considerare natamicina dove permessa.
Sostenibilità e filiera
Il lattiero-caseario ha impronta GHG e idrica non trascurabile; mitigazioni: efficienza alimentare, cattura del metano dei reflui, energie rinnovabili, cold chain ottimizzata.
Stabilimenti: reflui a target **BOD/COD**, film riciclabili/monomateriale, tracciabilità completa sotto **GMP/HACCP**.
Conclusione
Il cheddar grattugiato offre distribuzione omogenea, fusione affidabile e nota sapida/piccante in un’ampia gamma di applicazioni calde e fredde. Il controllo di umidità/grasso/pH, pezzatura e antiagglomeranti e l’esposizione a ossigeno/umidità garantisce prodotti sicuri, stabili e coerenti sensorialmente.
Mini-glossario
**SFA** — grassi saturi: apporti elevati possono aumentare LDL; utile limitarli sostituendoli con insaturi.
**MUFA** — grassi monoinsaturi (es. oleico): in genere favorevoli/neutralmente associati ai lipidi ematici.
**PUFA** — grassi polinsaturi (es. linoleico/ALA): benefici se bilanciati; più suscettibili a ossidazione.
**TFA** — grassi trans: piccole quote naturali nei latticini (CLA); evitare i TFA industriali.
**MCT** — trigliceridi a media catena (C6–C12): frazione minore del grasso del latte.
**GMP/HACCP** — good manufacturing practice / hazard analysis and critical control points: sistemi igienico-preventivi con **CCP** definiti.
**CCP** — critical control point: fase in cui un controllo previene/riduce un pericolo (es. pastorizzazione, metal detector, sigillatura).
**BOD/COD** — domanda biochimica/chimica di ossigeno: indicatori dell’impatto dei reflui di lavorazione.
**MAP** — modified atmosphere packaging: confezionamento in atmosfera modificata (N₂/CO₂) per prolungare la shelf-life dei formaggi grattugiati.
Bibliografia__________________________________________________________________________
de Hart NMMP, Mahmassani ZS, Reidy PT, Kelley JJ, McKenzie AI, Petrocelli JJ, Bridge MJ, Baird LM, Bastian ED, Ward LS, Howard MT, Drummond MJ. Acute Effects of Cheddar Cheese Consumption on Circulating Amino Acids and Human Skeletal Muscle. Nutrients. 2021 Feb 13;13(2):614. doi: 10.3390/nu13020614.
Abstract. Cheddar cheese is a protein-dense whole food and high in leucine content. However, no information is known about the acute blood amino acid kinetics and protein anabolic effects in skeletal muscle in healthy adults. Therefore, we conducted a crossover study in which men and women (n = 24; ~27 years, ~23 kg/m2) consumed cheese (20 g protein) or an isonitrogenous amount of milk. Blood and skeletal muscle biopsies were taken before and during the post absorptive period following ingestion. We evaluated circulating essential and non-essential amino acids, insulin, and free fatty acids and examined skeletal muscle anabolism by mTORC1 cellular localization, intracellular signaling, and ribosomal profiling. We found that cheese ingestion had a slower yet more sustained branched-chain amino acid circulation appearance over the postprandial period peaking at ~120 min. Cheese also modestly stimulated mTORC1 signaling and increased membrane localization. Using ribosomal profiling we found that, though both milk and cheese stimulated a muscle anabolic program associated with mTORC1 signaling that was more evident with milk, mTORC1 signaling persisted with cheese while also inducing a lower insulinogenic response. We conclude that Cheddar cheese induced a sustained blood amino acid and moderate muscle mTORC1 response yet had a lower glycemic profile compared to milk.
Murtaza MA, Ur-Rehman S, Anjum FM, Huma N, Hafiz I. Cheddar cheese ripening and flavor characterization: a review. Crit Rev Food Sci Nutr. 2014;54(10):1309-21. doi: 10.1080/10408398.2011.634531.
Abstract. Cheddar cheese is a biochemically dynamic product that undergoes significant changes during ripening. Freshly made curds of various cheese varieties have bland and largely similar flavors and aroma and, during ripening, flavoring compounds are produced that are characteristic of each variety. The biochemical changes occurring during ripening are grouped into primary events including glycolysis, lipolysis, and proteolysis followed by secondary biochemical changes such as metabolism of fatty acids and amino acids which are important for the production of secondary metabolites, including a number of compounds necessary for flavor development. A key feature of cheese manufacture is the metabolism of lactose to lactate by selected cultures of lactic acid bacteria. The rate and extent of acidification influence the initial texture of the curd by controlling the rate of demineralization. The degree of lipolysis in cheese depends on the variety of cheese and may vary from slight to extensive; however, proteolysis is the most complex of the primary events during cheese ripening, especially in Cheddar-type cheese.
Azarnia S, Robert N, Lee B. Biotechnological methods to accelerate cheddar cheese ripening. Crit Rev Biotechnol. 2006 Jul-Sep;26(3):121-43. doi: 10.1080/07388550600840525.
Abstract. Cheese is one of the dairy products that can result from the enzymatic coagulation of milk. The basic steps of the transformation of milk into cheese are coagulation, draining, and ripening. Ripening is the complex process required for the development of a cheese's flavor, texture and aroma. Proteolysis, lipolysis and glycolysis are the three main biochemical reactions that are responsible for the basic changes during the maturation period. As ripening is a relatively expensive process for the cheese industry, reducing maturation time without destroying the quality of the ripened cheese has economic and technological benefits. Elevated ripening temperatures, addition of enzymes, addition of cheese slurry, attenuated starters, adjunct cultures, genetically engineered starters and recombinant enzymes and microencapsulation of ripening enzymes are traditional and modern methods used to accelerate cheese ripening. In this context, an up to date review of Cheddar cheese ripening is presented.
Batool M, Nadeem M, Imran M, Khan IT, Bhatti JA, Ayaz M. Lipolysis and antioxidant properties of cow and buffalo cheddar cheese in accelerated ripening. Lipids Health Dis. 2018 Oct 2;17(1):228. doi: 10.1186/s12944-018-0871-9.
Abstract. Background: Buffalo milk is the second largest source of milk on the globe, it is highly suitable for the preparation of mozzarella cheese, however, it is not suitable for the preparation of cheddar cheese due to high buffering capacity, low acid development, excessive syneresis, lower lipolysis that lead to lower sensory score. Accelerated ripening can enhance lipolysis and improve sensory characteristics of cheddar cheese. Lipolysis and antioxidant capacity of buffalo cheddar cheese in conventional ripening is not previously studied. Optimization of ripening conditions can lead to better utilization of buffalo milk in cheese industry. Methods: Effect of accelerated ripening on lipolysis and antioxidant properties of cow and buffalo cheddar cheese were investigated. Cheddar cheese prepared from standardized (3.5% fat) cow and buffalo milk was subjected to conventional and accelerated ripening (4 °C and 12 °C) for a period of 120 days. Fatty acid profile, organic acids, free fatty acids, cholesterol, antioxidant activity and sensory characteristics were studied at 0, 40, 80 and 120 days of ripening. Results: Fatty acid profile of cow and buffalo cheddar in conventional (120 days old) and accelerated ripening were different from each other (p < 0.05). Free fatty acids in 120 days old buffalo and control cheddar, in accelerated ripening were 0.55% and 0.62%. After accelerated ripening, cholesterol in buffalo and control cheddars were 16 and 72 mg/100 g. After accelerated ripening, concentrations of formic, pyruvic, lactic, acetic and citric acids in buffalo cheddar cheese were, 922, 136, 19,200, 468 and 2845 ppm. At the end of accelerated ripening (120 days), concentrations of formic, pyruvic, lactic, acetic and citric acids in cow cheddar cheese were 578, 95, 9600, 347 and 1015 ppm. Total antioxidant capacity of control cow and buffalo cheddar in accelerated ripening was 77.26 and 88.30%. Colour, flavour and texture score of rapid ripened 80 and 120 days old buffalo cheddar was not different from cow cheddar. Conclusions: Results of this investigations showed that flavour profile buffalo cheddar subjected to accelerate ripening was similar to cow cheddar cheese. Accelerated ripening can be used for better utilization of buffalo milk in cheddar cheese industry.
Afshari R, Pillidge CJ, Read E, Rochfort S, Dias DA, Osborn AM, Gill H. New insights into cheddar cheese microbiota-metabolome relationships revealed by integrative analysis of multi-omics data. Sci Rep. 2020 Feb 21;10(1):3164. doi: 10.1038/s41598-020-59617-9. Erratum in: Sci Rep. 2021 Jan 25;11(1):2680. doi: 10.1038/s41598-021-82097-4.
Abstract. Cheese microbiota and metabolites and their inter-relationships that underpin specific cheese quality attributes remain poorly understood. Here we report that multi-omics and integrative data analysis (multiple co-inertia analysis, MCIA) can be used to gain deeper insights into these relationships and identify microbiota and metabolite fingerprints that could be used to monitor product quality and authenticity. Our study into different brands of artisanal and industrial cheddar cheeses showed that Streptococcus, Lactococcus and Lactobacillus were the dominant taxa with overall microbial community structures differing not only between industrial and artisanal cheeses but also among different cheese brands. Metabolome analysis also revealed qualitative and semi-quantitative differences in metabolites between different cheeses. This also included the presence of two compounds (3-hydroxy propanoic acid and O-methoxycatechol-O-sulphate) in artisanal cheese that have not been previously reported in any type of cheese. Integrative analysis of multi-omics datasets revealed that highly similar cheeses, identical in age and appearance, could be distinctively clustered according to cheese type and brand. Furthermore, the analysis detected strong relationships, some previously unknown, which existed between the cheese microbiota and metabolome, and uncovered specific taxa and metabolites that contributed to these relationships. These results highlight the potential of this approach for identifying product specific microbe/metabolite signatures that could be used to monitor and control cheese quality and product authenticity.
